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
May 1 36° 72° 25° (1988) 92° (1981) 0.05" NA
May 2 36° 73° 26° (1955) 88° (2004) 0.05" NA
May 3 37° 73° 24° (1950) 91° (2004) 0.05" NA
May 4 37° 73° 25° (1950) 92° (1990) 0.05" NA
May 5 37° 74° 25° (1975) 95° (1992) 0.05" NA
May 6 37° 74° 22° (1964) 98° (1987) 0.05" NA
May 7 38° 74° 22° (1950) 102° (1987) 0.05" NA
May 8 38° 75° 28° (1950) 95° (2001) 0.05" NA
May 9 38° 75° 24° (1982) 94° (1992) 0.05" NA
May 10 38° 75° 26° (1982) 96° (1969) 0.05" NA
May 11 39° 75° 29° (1953) 96° (1987) 0.05" NA
May 12 39° 76° 27° (1956) 96° (1987) 0.05" NA
May 13 39° 76° 29° (1955) 96° (1976) 0.04" NA
May 14 39° 76° 24° (1955) 94° (1973) 0.04" NA
May 15 40° 77° 27° (1999) 93° (2006) 0.04" NA
May 16 40° 77° 29° (1981) 96° (2006) 0.04" NA
May 17 40° 77° 28° (1971) 97° (2006) 0.04" NA
May 18 40° 78° 27° (1982) 98° (1954) 0.04" NA
May 19 41° 78° 28° (1974) 99° (2006) 0.04" NA
May 20 41° 78° 28° (1962) 96° (1967) 0.04" NA
May 21 41° 78° 27° (1971) 98° (1967) 0.04" NA
May 22 41° 79° 28° (1986) 97° (2001) 0.04" NA
May 23 41° 79° 30° (1978) 99° (2001) 0.04" NA
May 24 42° 79° 29° (1960) 98° (1999) 0.04" NA
May 25 42° 80° 31° (1955) 98° (1983) 0.04" NA
May 26 42° 80° 31° (1973) 100° (1982) 0.04" NA
May 27 42° 80° 30° (1956) 98° (1983) 0.03" NA
May 28 42° 80° 29° (1976) 101° (1983) 0.03" NA
May 29 42° 81° 28° (1979) 100° (1983) 0.03" NA
May 30 43° 81° 30° (1962) 106° (1984) 0.03" NA
May 31 43° 81° 31° (1991) 106° (1986) 0.03" NA
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