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United States of America

LAMAR, MONTANA


Home > North America > United States > Montana
Elevation: 2172 meters     Latitude: 44 54N     Longitude: 110 14W

WEATHER
 
CURRENT CONDITIONS

Sunrise/Set
08:18 am
10:19 pm
Local Time
8:52 am EDT
25 April, 2024
 
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MONTHLY - ALL WEATHER AVERAGES   [ Show Summary ]
[ °F ]   °C
TEMPERATURE 
Average Temperature
Years on Record: 130  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C1.8-10.9-8.2-4.81.66.910.714.413.28.83.6-4.3-9.8

Average High Temperature
Years on Record: 130  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C10.7-4.2-0.73.29.616.220.525.824.919.913.23.2-2.9

Average Low Temperature
Years on Record: 130  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C-7.2-17.7-15.6-12.6-6.4-2.30.92.91.6-2.1-6-11.7-16.6

Highest Recorded Temperature
Years on Record: 130  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C36.71012.217.824.430.636.73533.332.828.318.312.8

Lowest Recorded Temperature
Years on Record: 130  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C-48.3-48.3-45-40.6-27.8-13.3-8.9-6.1-11.7-17.8-28.3-37.2-46.1

Average Number of Days Above 90F/32C
Years on Record: 130  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days1---------------0.10.60.2------------

Average Number of Days Below 32F/0C
Years on Record: 130  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days277.630.127.830.128.224.112.76.211.420.727.429.129.7

Average Number of Days Below 0F/-17C
Years on Record: 130  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days5414.311.27.70.7---------------0.36.313.4



PRECIPITATION 
Average Precipitation
Years on Record: 130  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm365251922264052373835262124

Average Number of Days With Precipitation
Years on Record: 130  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days9797771011997678

Most Reported Precipitation in a Month
Years on Record: 130  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm129781025964129119128113120996058

Least Reported Precipitation in a Month
Years on Record: 130  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm---322257482---13

Most Precipitation Reported in a Day
Years on Record: 130  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm55.922.955.920.829.230.550.855.94736.829.243.226.9

Avg. No. of Days w/Precip. Above 0.2in/5mm
Years on Record: 130  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days47333357554333

Avg. # of Days w/Precip. Above 0.4in/10mm
Years on Record: 130  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days3------------11------1---------



PRECIPITATION - SNOW 
Average Snowfall
Years on Record: 130  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm220.74632.834.518.84.81.5---0.24.311.426.240.1

Average Snow Cover
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm1230383510------------------515

Most Snow Reported in a Month
Years on Record: 130  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm137.2137.28091.471.126.715.2---7.627.958.456.690.4



DEGREE DAYS 
Heating Degree Days
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days6790.6951.1803.3780610463.9302.8191.1201.1342.2524.4723.9896.7

Cooling Degree Days
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days2.2------------------1.11.1------------

Growing Degree Days
Years on Record: 130  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days257.7---------------21.7136.199.9------------



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  
Hours12.89.81112.514.115.516.215.814.51311.410.19.4



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/m214.25.99.213.317.120.322.623.620.615.710.56.65.1

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/m252.23.14.76.57.98.47.56.453.62.41.8

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/m216.712.315.217.317.918.719.62120.618.815.812.710.6

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/m218.412.61617.918.520.322.825.924.120.716.713.211.9

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/m214.25.99.213.317.120.322.623.620.615.710.56.65.1

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/m25.32.23.45.16.88.398.56.85.63.82.61.9

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/m219.714.518.820.622.122.122.123.522.421.919.315.713.8

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/m223.815.521.923.426.527.828.932.127.825.921.617.616.4

Minimum Daily Solar Radiation - Global
Years on Record: 22  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Mj/m212.25.47.410.71517.218.519.919.5139.35.54.5

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/m24.422.54.15.577.66.55.94.33.12.11.6

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/m213.910.711.313.315.415.716.117.719.414.813.49.68.8

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/m213.610.610.611.714.414.415.218.521.514.313.19.49.4




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