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United States of America

HELMVILLE, MONTANA


Home > North America > United States > Montana
Elevation: 1317 meters     Latitude: 46 54N     Longitude: 113 04W

WEATHER
 
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MONTHLY - ALL WEATHER AVERAGES   [ Show Summary ]
[ °F ]   °C
TEMPERATURE 
Average Temperature
Years on Record: 35  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C3.8-8.1-5.9-0.44.28.612.716.115.410.34.1-2.6-8.2

Average High Temperature
Years on Record: 35  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C12.3-1.51.26.612.417.321.726.826.720.813.44.1-1.8

Average Low Temperature
Years on Record: 35  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C-4.6-14.7-13-7.4-3.9---3.85.34.2-0.3-5.3-9.2-14.5

Highest Recorded Temperature
Years on Record: 35  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C37.212.817.223.328.333.93537.236.733.931.122.214.4

Lowest Recorded Temperature
Years on Record: 35  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C-44.4-41.7-44.4-31.1-17.2-10-4.4-2.2-6.1-12.8-25-30.6-42.8

Average Number of Days Above 90F/32C
Years on Record: 35  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days9.3------------0.10.64.13.90.5---------

Average Number of Days Below 32F/0C
Years on Record: 35  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days24530.6283026.216.44.31.3317.628.328.630.8

Average Number of Days Below 0F/-17C
Years on Record: 35  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days32.210.571.5------------------0.53.29.6



PRECIPITATION 
Average Precipitation
Years on Record: 35  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm314211514214547282827212423

Average Number of Days With Precipitation
Years on Record: 35  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days77655599666677

Most Reported Precipitation in a Month
Years on Record: 35  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm13762494053137101868597408172

Least Reported Precipitation in a Month
Years on Record: 35  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm------------1115------2---2---

Most Precipitation Reported in a Day
Years on Record: 35  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm53.321.612.716.831.834.553.340.63238.120.829.519.1

Avg. No. of Days w/Precip. Above 0.2in/5mm
Years on Record: 35  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days42332356343334

Avg. # of Days w/Precip. Above 0.4in/10mm
Years on Record: 35  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days2------------11------------------

Avg. No. of Days w/Precip. Above 1in/25mm
Years on Record: 35  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days---------------------------------------



PRECIPITATION - SNOW 
Average Snowfall
Years on Record: 35  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm93.521.812.910.73.80.80.2---0.214.113.524.4

Average Snow Cover
Years on Record: 23  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm215125---------------------210

Most Snow Reported in a Month
Years on Record: 35  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm96.596.548.363.520.310.27.6---5.112.725.438.194



DEGREE DAYS 
Heating Degree Days
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days5359.4832.2669.4583.3428.3305178.9105111.7255.6441.1633.9815

Cooling Degree Days
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days28.9---------------1.713.912.21.1---------

Growing Degree Days
Years on Record: 35  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days446.5---------------81.7187.7168.88.3---------







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