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Climatological Information for Helena, United States
Location of weather station : 46.6 N, 112.0 W, altitude : 1187 m
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Data
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Dec
Mean Maximum
Temperature (deg. C)		 1961-1990 -1.3 2.7 7.1 13.4 18.6 24.3 29.4 28.4 21.0 14.7 5.8 -0.4
Mean Temperature
(deg. C)		 1961-1990 -6.9 -3.1 0.9 6.3 11.4 16.7 20.7 19.7 13.0 7.3 -0.2 -6.0
Mean Minimum
Temperature (deg. C)		 1961-1990 -12.4 -8.9 -5.4 -0.8 4.2 9.1 11.9 10.9 5.0 -0.2 -6.3 -11.6
Rainfall Amount (mm) 1961-1990 16.0 10.4 18.5 24.6 45.2 47.5 27.9 32.8 29.2 15.2 12.2 15.0
Days with Rain* 1961-1990 4.9 3.3 4.8 5.3 7.8 7.5 5.1 5.0 4.9 2.9 3.4 4.4
Mean Daily Sunshine
Duration (hours)		 1961-1990 3.9 5.3 7.3 8.1 9.1 10.3 11.9 10.5 8.5 6.5 4.0 3.2
* denotes number of days with at least 1.0 mm of rainfall
latest weather forecast for Helena
 2003copy right image | Important notices | Privacy policy Last revision date: <20 Dec 2012>