Helena, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 28° 49° -7° (1950) 69° (1963) 7.08" NA
February 29° 55° 0° (1950) 79° (1991) 6.05" NA
March 32° 60° 12° (1955) 89° (2004) 5.49" NA
April 33° 67° 19° (1991) 94° (1987) 2.25" NA
May 40° 77° 22° (1964) 106° (1986) 1.31" NA
June 46° 86° 28° (1966) 110° (1987) 0.58" NA
July 50° 94° 32° (1955) 113° (2002) 0.23" NA
August 48° 94° 34° (1972) 115° (1981) 0.27" NA
September 42° 88° 23° (1950) 111° (1988) 1.05" NA
October 35° 75° 14° (1971) 104° (1980) 2.34" NA
November 33° 56° 4° (1985) 89° (1949) 5.47" NA
December 28° 47° -10° (1972) 69° (1962) 6.29" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 30° 49° 16° (1954) 64° (1959) 0.2" NA
Dec 2 29° 49° 17° (1991) 63° (1959) 0.2" NA
Dec 3 29° 49° 18° (1990) 62° (1953) 0.2" NA
Dec 4 29° 48° 15° (1959) 62° (1959) 0.2" NA
Dec 5 29° 48° 14° (1959) 68° (1989) 0.2" NA
Dec 6 29° 48° 13° (1959) 63° (1959) 0.2" NA
Dec 7 28° 48° 9° (1978) 62° (1963) 0.2" NA
Dec 8 28° 48° -7° (1972) 59° (1995) 0.2" NA
Dec 9 28° 47° -10° (1972) 62° (1950) 0.2" NA
Dec 10 28° 47° -7° (1972) 65° (1973) 0.2" NA
Dec 11 28° 47° -4° (1972) 68° (1976) 0.2" NA
Dec 12 28° 47° 5° (1972) 60° (1988) 0.2" NA
Dec 13 27° 47° 7° (1967) 61° (1958) 0.2" NA
Dec 14 27° 47° 6° (1967) 58° (1989) 0.2" NA
Dec 15 27° 47° 6° (1967) 69° (1962) 0.2" NA
Dec 16 27° 47° 9° (1967) 60° (1983) 0.2" NA
Dec 17 27° 47° 11° (1965) 65° (1980) 0.2" NA
Dec 18 27° 46° 12° (1965) 58° (1958) 0.2" NA
Dec 19 27° 46° 12° (1965) 62° (1980) 0.2" NA
Dec 20 27° 46° 6° (1990) 57° (1976) 0.2" NA
Dec 21 27° 46° 0° (1998) 54° (1958) 0.2" NA
Dec 22 27° 46° 4° (1998) 62° (1989) 0.2" NA
Dec 23 27° 46° 6° (1948) 60° (1964) 0.2" NA
Dec 24 27° 46° -2° (1990) 58° (1964) 0.21" NA
Dec 25 27° 46° 15° (1962) 55° (1964) 0.21" NA
Dec 26 27° 46° 5° (1990) 60° (1985) 0.21" NA
Dec 27 27° 46° 9° (1954) 58° (1999) 0.21" NA
Dec 28 27° 46° 16° (1962) 58° (1975) 0.21" NA
Dec 29 27° 47° 14° (1978) 58° (1960) 0.21" NA
Dec 30 27° 47° 18° (1948) 57° (1997) 0.21" NA
Dec 31 27° 47° 7° (1990) 60° (1956) 0.22" NA
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