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Climate
Summary
United States of America

ST. MARIE, MONTANA


Home > North America > United States > Montana
Elevation: 688 meters     Latitude: 48 13N     Longitude: 106 37W

WEATHER
 
CURRENT CONDITIONS

Sunrise/Set
08:05 am
10:05 pm
Local Time
12:24 am EDT
20 April, 2024
 
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MONTHLY - ALL WEATHER AVERAGES   [ Show Summary ]
[ °F ]   °C
TEMPERATURE 
Average Temperature
Years on Record: 56  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C5.9-11.6-8.1-1.26.712.817.821.620.914.47.4-1.7-8.7

Average High Temperature
Years on Record: 56  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C12.4-6.2-2.64.713.519.824.829.328.821.814.34.1-3.3

Average Low Temperature
Years on Record: 56  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C-0.7-16.8-13.4-7.2-0.25.710.713.913.16.90.6-7.4-14

Highest Recorded Temperature
Years on Record: 56  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C42.216.121.726.132.838.942.241.142.239.432.226.116.7

Lowest Recorded Temperature
Years on Record: 56  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C-43.9-43.9-38.9-32.8-19.4-6.7---52.8-9.4-21.1-32.2-38.9

Average Number of Days Above 90F/32C
Years on Record: 56  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days24.2------------0.72.89.59.31.9---------

Average Number of Days Below 32F/0C
Years on Record: 56  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days179.230.927.828.115.93---------1.813.527.430.8

Average Number of Days Below 0F/-17C
Years on Record: 56  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days38.513.993------------------0.12.79.7



PRECIPITATION 
Average Precipitation
Years on Record: 56  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm28997102045614533231799

Average Number of Days With Precipitation
Years on Record: 56  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days8986771011876568

Most Reported Precipitation in a Month
Years on Record: 56  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm16831253250168136151146105783937

Least Reported Precipitation in a Month
Years on Record: 56  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm------11212------1---------

Most Precipitation Reported in a Day
Years on Record: 56  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm75.27.916.317.326.251.364.863.275.241.43112.212.9

Avg. No. of Days w/Precip. Above 0.2in/5mm
Years on Record: 56  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days28111255432211

Avg. # of Days w/Precip. Above 0.4in/10mm
Years on Record: 56  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days4------------1111------------



PRECIPITATION - SNOW 
Average Snowfall
Years on Record: 56  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm78.718.510.710.46.12---------0.23.610.716.5

Average Snow Cover
Years on Record: 44  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm210105---------------------25

Most Snow Reported in a Month
Years on Record: 56  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm83.683.640.437.934.827.2---------5.634.559.263



DEGREE DAYS 
Heating Degree Days
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days4755.6928.3716.7586.1338.9171.150.612.221.1140.6338.3609.4842.2

Cooling Degree Days
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days274.4---------0.69.444.4102.8101.115.60.6------

Growing Degree Days
Years on Record: 56  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days1150.3------------86.1233.3359.9339.3131.7---------



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  
Hours12.89.510.812.514.315.916.716.214.81311.39.89



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/m213.64.67.812.217.72122.423.620.314.79.55.54

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/m26.12.74.16.17.68.99.59.28.16.64.73.22.5

Average Daily Solar Radiation - Reflected
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m215.17.812.115.518.619.319.421.120.317.113.19.47.3

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/m215.1710.613.518.620.421.223.921.616.412.38.26.5

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/m213.64.67.812.217.72122.423.620.314.79.55.54

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/m26.42.94.56.57.79.19.79.78.77.253.52.8

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/m217.28.614.117.920.822.122.523.222.820.314.310.99

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/m217.97.812.516.62225.126.927.124.820.413.79.98.3

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/m211.23.86.210.914.916.718.418.21811.28.44.23.1

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/m25.82.43.55.87.58.89.49.17.964.32.62

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/m212.26.29.31415.415.215.916.117.812.511.56.65.4

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/m210.75.37.711.213.412.814.314.717.610.610.65.44.5




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