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ROCKY HARBOUR, NEWFOUNDLAND


Home > North America > Canada > Newfoundland
Elevation: 222 feet     Latitude: 49 34N     Longitude: 57 53W

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MONTHLY - ALL WEATHER AVERAGES   [ Show Summary ]
[ °C ]   °F
TEMPERATURE 
Average Temperature
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
F38.41815.722.735.44451.759.36053.343.133.523.5

Average High Temperature
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
F45.625.124.231.24352.159.76767.460.449.238.629.9

Average Low Temperature
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
F31117.214.227.735.843.751.552.54636.928.417.3

Highest Recorded Temperature
Years on Record: 21  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
F85.159.957.26371.678.880.685.183.382.470.764.962.1

Lowest Recorded Temperature
Years on Record: 21  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
F-32.8-22.9-32.8-24.7-0.4212735.130.226.618.54.1-11

Average Number of Days Above 95F/35C
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days---------------------------------------

Average Number of Days Above 86F/30C
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days---------------------------------------

Average Number of Days Above 70F/21C
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days34.9---------0.10.84.212.413.93.40.2------

Average Number of Days Above 50F/10C
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days157.40.50.21.26.317.226.630.73128.2122.60.8

Average Number of Days Above 32F/0C
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days271.96.66.51526.730.83031313030.822.611

Average Number of Days Below 35F/2C
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days208.530.828.129.726.316.93.6---0.32.114.726.130.1

Average Number of Days Below 32F/0C
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days181.730.527.728.522.210.51.1---0.20.78.222.429.7

Average Number of Days Below 28F/-2C
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days140.729.626.324.914.32.9---------0.12.813.626.3

Average Number of Days Below 10F/-12C
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days62.817.21813.82.1------------------0.910.8

Average Number of Days Below -4F/-20C
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days13.12.85.93.9------------------------0.6

Average Number of Days Below -22F/-30C
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days1.20.10.90.3---------------------------



PRECIPITATION 
Average Precipitation
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in50.15.34.23.42.72.94.63.14.64.24.94.75.4

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 
Days201.322.316.213.912.715.114.615.11516.42019.320.9

Most Precipitation Reported in a Day
Years on Record: 21  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in3.11.81.71.41.41.32.72.32.11.73.12.32.7

Avg. No. of Days w/Precip. Above 0.1in/2.5mm
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days210.223.717.913.913.315.815.715.816.516.519.419.722

Avg. No. of Days w/Precip. Above 0.2in/5mm
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days86.396.85.65.15.17.35.77.57.38.28.710

Avg. # of Days w/Precip. Above 0.4in/10mm
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days41.94.33.32.91.82.64.52.84.33.7443.9

Avg. No. of Days w/Precip. Above 1in/25mm
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days5.90.60.50.50.20.20.90.30.70.70.30.30.7



PRECIPITATION - RAIN 
Average Rainfall
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in340.911.11.92.74.63.14.64.24.83.31.7

Average Number of Rainy Days
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days134.62.42.64.29.514.715.715.816.516.519.212.94.6

Most Rain Reported in a Day
Years on Record: 21  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in3.11.71.71.31.41.32.72.32.11.73.12.32.6

Avg. No. of Days w/Rain Above 0.2in/5mm
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days57.91.31.323.94.87.35.77.57.38.16.42.5

Avg. No. of Days w/Rain Above 0.4in/10mm
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days29.80.711.21.12.44.52.84.33.742.61.6

Avg. No. of Days w/Rain Above 1in/25mm
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days4.40.20.30.10.20.20.90.30.70.70.30.30.4



PRECIPITATION - SNOW 
Average Snowfall
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in161.144.631.422.98.12.2------------0.614.337.2

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 
Days78.920.214.3115.41.3------------18.117.6

Average Snow Cover
Years on Record: 9  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in9.121.231.732.415.13.2---------------0.85.3

Average Snow Cover at Month End
Years on Record: 10  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in8.527.430.720.95.2------------------2.615.4

Deepest Snow Cover Reported
Years on Record: 21  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in52.839.451.252.837.431.5------------3.911.829.5

Most Snow Reported in a Day
Years on Record: 21  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in18.31414.6146.95.7------------510.218.3

Avg. No. of Days w/Snow Above 1in/2.5cm
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days83.822.115.511.25.21.5------------0.68.619.1

Avg. No. of Days w/Snowfall Above 2in/5cm
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days28.77.85.53.81.20.4---------------2.67.4

Avg. No. of Days w/Snow Above 3.9in/10cm
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days11.23.32.21.80.50.2---------------1.22.3

Avg. No. of Days w/Snowfall Above 10in/25cm
Years on Record: 13  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days10.40.10.2------------------------0.3

Av. # of Days w/Snow Depth Above 0.4in/10mm
Years on Record: 9  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days150.73128.33119.76---------------7.527.3

Avg. # of Days w/Snow Depth Above 2in/5cm
Years on Record: 9  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days140.53128.331166---------------6.521.8

Av. # of Days w/Snow Depth Above 3.9in/10cm
Years on Record: 9  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days133.630.128.33115.35.6---------------5.517.8

Av. # of Days w/Snow Depth Above 7.8in/20cm
Years on Record: 9  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days11628.427.628.614.74.2---------------0.512



DEGREE DAYS 
Heating Degree Days
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days5269790.3761.6706.3492.8360.4203.491.794.4198371.4506.9691.8

Cooling Degree Days
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days21.7---------------1.111.48.21---------

Growing Degree Days
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days736.1---------------69300.7291.475---------



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 
Hours12.99.310.712.514.416.11716.514.913.111.39.78.9

Average Monthly Sunshine
Years on Record: 21  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Hours1357.828.157.4103.9144.5176.3183.7191.9194.713482.339.821.1

Average Number of Days with Sun
Years on Record: 21  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days229.512.114.319.621.822.822.523.92523.219.614.410.3

Average Possibility of Sunshine
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
%26.910.320.928.232.73635.238.241.933.723.5147.8

Most Sunshine Reported in a Day
Years on Record: 32  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Hours15.8810.112.113.814.915.815.714.81311.18.78



WIND 
Average Wind Speed
Years on Record: 1  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
mph---13.210.49.49.96.87.97---------------

Highest Reported Hourly Wind Speed
Years on Record: 1  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
mph---33.633.633.627.320.531.131.1---------------



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 
kWh/m22.911.62.73.74.75.34.94.43.221.10.7

Average Daily Solar Radiation - Diffuse
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
kWh/m21.60.60.91.52.12.52.72.62.31.71.10.70.5

Average Daily Solar Radiation - Reflected
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
kWh/m23.21.82.53.53.84.34.64.34.33.72.71.91.4

Average Daily Solar Radiation - Direct
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
kWh/m22.81.522.733.74.33.93.93.32.41.61.1

Maximum Daily Solar Radiation - Global
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
kWh/m22.911.62.73.74.75.34.94.43.221.10.7

Maximum Daily Solar Radiation - Diffuse
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
kWh/m21.70.71.11.72.12.52.72.62.31.71.30.80.6

Maximum Daily Solar Radiation - Reflected
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
kWh/m242.13.14.655.55.44.95.14.43.42.21.6

Maximum Daily Solar Radiation - Direct
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
kWh/m23.91.92.73.94.75.9655.24.23.21.91.4

Minimum Daily Solar Radiation - Global
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
kWh/m22.40.81.12.33.23.63.94.43.72.71.410.7

Minimum Daily Solar Radiation - Diffuse
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
kWh/m21.50.60.71.422.42.62.62.21.60.90.60.5

Minimum Daily Solar Radiation - Reflected
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
kWh/m22.51.41.52.83.23.33.43.93.631.81.61.2

Minimum Daily Solar Radiation - Direct
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
kWh/m21.91.111.92.22.12.332.72.41.41.30.9




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