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GERALDTON, ONTARIO


Home > North America > Canada > Ontario
Elevation: 349 meters     Latitude: 49 46N     Longitude: 086 55W

WEATHER
 
CURRENT CONDITIONS

Sunrise/Set
06:24 am
09:04 pm

Local Time
6:43 am EDT
30 April, 2024
 
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MONTHLY - ALL WEATHER AVERAGES   [ Show Summary ]
[ °F ]   °C
TEMPERATURE 
Average Temperature
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C0.6-18.6-15.8-8.90.68.514.317.21610.53.3-5.4-14.2

Average High Temperature
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C6.8-12.1-8.4-1.47.415.42123.522.3167.6-1-8.9

Average Low Temperature
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C-5.6-25.1-23.1-16.4-6.21.57.610.79.74.9-1.1-9.7-19.5

Highest Recorded Temperature
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C375.99.517.425.832.8373533.732.724.817.710.8

Lowest Recorded Temperature
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C-50.2-50.2-49.3-40.4-33-11.3-4.61.3----7.8-14.8-36.4-43.1

Average Number of Days Above 95F/35C
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days0.1---------------0.1------------------

Average Number of Days Above 90F/32C
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days3.6------------0.411.30.8------------

Average Number of Days Above 86F/30C
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days4------------0.311.610.1---------

Average Number of Days Above 70F/21C
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days80.1---------1.17.817.124.821.56.90.8------

Average Number of Days Above 50F/10C
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days163.7------1.310.22429.33130.925.9101.10.1

Average Number of Days Above 32F/0C
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days244.62.13.713.826.630.83031313028.712.64.4

Average Number of Days Below 35F/2C
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days235.13128.230.828.518.23.80.10.79.424.528.931

Average Number of Days Below 32F/0C
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days214.33128.230.126.513.81.3------4.920.127.730.7

Average Number of Days Below 28F/-2C
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days18830.727.928.722.57.60.3------213.125.329.9

Average Number of Days Below 10F/-12C
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days119.328.624.722.16.1---------------0.612.224.9

Average Number of Days Below -4F/-20C
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days72.722.218.711.71.1------------------3.615.5

Average Number of Days Below -22F/-30C
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days25.110.17.32.7---------------------0.24.8



TEMPERATURE - WIND CHILL 
Avg. # of Days w/Wind Chill Below -4F/-20C
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days90.22621.114.62------------------6.120.3

Av. # of Days w/Wind Chill Below -22F/-30C
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days46.317.212.45.20.3------------------1.210.1

Av. # of Days w/Wind Chill Below -40F/-40C
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days11.25.82.90.7------------------------1.8

Lowest Reported Wind Chill
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C-54-54-52.2-47.7-40.5-17.4-6.6-------9.8-21.1-38.7-51.3



TEMPERATURE - HUMIDEX 
Average No. Days w/Humidex Above 104F/40C
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days0.2---------------0.10.1---------------

Average No. Days w/Humidex Above 95F/35C
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days2.8------------0.10.41.50.70.1---------

Average No. Days w/Humidex Above 86F/30C
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days16.1------------0.73.36.35.10.7---------

Highest Reported Humidex
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C42.35.89.417.327.239.642.340.439.938.528.617.611.7



PRECIPITATION 
Average Precipitation
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm764.633.523.831.945.771.784.5108.683.6101.683.158.738

Average Number of Days With Precipitation
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days16714.111.711.99.112.714.115.113.816.51616.116.2

Most Precipitation Reported in a Day
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm124.656.218.829.437.84357.478.868.8124.649.434.257.2

Avg. No. of Days w/Precip. Above 0.1in/2.5mm
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days1671411.311.79.8131414.71415.816.415.916.5

Avg. No. of Days w/Precip. Above 0.2in/5mm
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days45.82.11.3234.75.16.14.964.93.81.9

Avg. # of Days w/Precip. Above 0.4in/10mm
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days21.10.40.30.61.32.32.53.52.532.61.60.6

Avg. No. of Days w/Precip. Above 1in/25mm
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days4.1---------0.20.30.710.70.60.40.2---



PRECIPITATION - RAIN 
Average Rainfall
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm556.10.40.67.222.166.184.5108.683.699.562.317.53.7

Average Number of Rainy Days
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days95.80.50.62.1512.21414.71415.511.84.31.2

Most Rain Reported in a Day
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm124.63.84.223.937.84357.478.868.8124.64830.244.6

Avg. No. of Days w/Rain Above 0.2in/5mm
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days33.6------0.51.64.35.16.14.95.93.71.30.2

Avg. No. of Days w/Rain Above 0.4in/10mm
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days16.7------0.10.62.22.53.52.52.91.80.50.1

Avg. No. of Days w/Rain Above 1in/25mm
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days3.8---------0.10.30.710.70.60.30.1---



PRECIPITATION - SNOW 
Average Snowfall
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm242.642.829.428.4244.6---------219.646.845

Average Number of Days With Snow
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days83.61512.210.45.91.4---------1.16.414.317.1

Average Snow Cover
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm15.440.148.945.715.30.5------------0.88.424.8

Average Snow Cover at Month End
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm15.34750.632.31.6---------------1.616.932.9

Deepest Snow Cover Reported
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm13713797928466---------15305257

Most Snow Reported in a Day
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm56.656.624.818338.61------17.421.32822

Avg. No. of Days w/Snow Above 1in/2.5cm
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days83.814.911.610.26.32.10.1------0.86.813.917.1

Avg. No. of Days w/Snowfall Above 2in/5cm
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days15.531.91.81.60.3---------0.11.232.7

Avg. No. of Days w/Snow Above 3.9in/10cm
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days4.60.70.40.60.6---------------0.41.20.7

Avg. No. of Days w/Snowfall Above 10in/25cm
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days0.1---------0.1------------------------

Av. # of Days w/Snow Depth Above 0.4in/10mm
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days168.13128.230.519.31.7---------0.25.121.430.6

Avg. # of Days w/Snow Depth Above 2in/5cm
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days148.53128.228.613.90.6------------1.615.628.9

Av. # of Days w/Snow Depth Above 3.9in/10cm
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days135.73127.926.911.80.3------------0.810.826.2

Av. # of Days w/Snow Depth Above 7.8in/20cm
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days116.928.627.8269.40.3------------0.14.520.3



HUMIDITY 
Average Morning Relative Humidity
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
%83.674.574.476.98083.885.589.390.992.289.486.480.2

Average Evening Relative Humidity
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
%60.568.161.153.74849.252.755.556.663.368.77574.5



DEGREE DAYS 
Heating Degree Days
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days3609.1641.3525.1465.8293.2165.672.633.649.7137.8256.7402.1565.7

Cooling Degree Days
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days37.9------------2.18.315.111.41.1---------

Growing Degree Days
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days516---------------123.3213.6179.1------------



BAROMETER 
Average Sea Level Pressure
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mbar1016.11018.21018.91018.41016.11014.91013.21013.71015.31015.21015.81015.91017.4

Average Station Pressure
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mbar991.4992.6993.5993.3991.5990.6989.2989.8991.3991.1991.2991992

Average Vapor Pressure
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mbar7.422.43.44.97.912.115.415.211.67.14.42.7



SKY CONDITIONS 
Average Length of Day
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Hours12.89.310.712.514.416.11716.514.913.111.29.68.8

Avg. No. of Days Visibility Above 5.5m/9km
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days7623.6620587.6644.4641.5675.5669.5693.7682.1632.4627.1567.5582.5

Avg. No. of Days Visibility Below 5.5m/9km
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days1042.3115.483.389.370.564.947.346.15780.1102.3135.8150.5

Avg. No. of Days Visibility Below 0.6m/1km
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days99.68.66.610.38.13.63.34.257.514.616.711.1



WIND 
Average Wind Speed
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
km/h11.210.410.511.611.812.211.710.710.311.612.111.510.3

Highest Reported Hourly Wind Speed
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
km/h59544448525256505256594850

Highest Reported Wind Gust
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
km/h1077270828282859810778878278

Avg. # of Days w/Wind Above 32 mph/52 km/h
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days1.10.10.1---0.10.10.20.20.20.10.1------

Avg. # of Days w/Wind Above 39 mph/63 km/h
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days---------------------------------------

Average Primary Wind Direction
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
°270270270270360180180270270180180315270



SOLAR RADIATION 
Average Daily Solar Radiation - Global
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m212.14.68.312.717.219.720.419.616.411.37.14.63.4

Average Daily Solar Radiation - Diffuse
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m262.74.36.27.599.79.48.15.93.92.82.1

Average Daily Solar Radiation - Reflected
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m213.88.713.717.41918.117.617.416.212.99.88.36.8

Average Daily Solar Radiation - Direct
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m2137.912.215.118.418.417.917.41511.38.976

Maximum Daily Solar Radiation - Global
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m212.14.68.312.717.219.720.419.616.411.37.14.63.4

Maximum Daily Solar Radiation - Diffuse
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m26.23.14.56.57.69.19.89.58.26.24.63.12.3

Maximum Daily Solar Radiation - Reflected
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m215.810.414.61920.920.719.819.718.414.912.89.98

Maximum Daily Solar Radiation - Direct
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m215.89.713.116.921.723.122.521.918.813.912.18.57.2

Minimum Daily Solar Radiation - Global
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m210.44.27.311.715.816.517.116.114.48.96.23.52.6

Minimum Daily Solar Radiation - Diffuse
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m25.72.645.97.58.99.69.285.53.62.31.8

Minimum Daily Solar Radiation - Reflected
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m211.67.711.815.816.615.114.814.2149.78.35.84.8

Minimum Daily Solar Radiation - Direct
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m29.86.910.313.315.712.712.311.411.47.37.24.64




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