Upper Lake, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 33° 54° 12° (1975) 79° (1962) 6.74" 0.2"
February 35° 57° 15° (1989) 80° (1954) 6.12" 0"
March 37° 62° 21° (1974) 87° (1966) 4.75" 0.2"
April 39° 68° 24° (1976) 92° (1947) 1.7" 0"
May 44° 77° 29° (1977) 99° (2001) 0.85" 0"
June 50° 85° 30° (1950) 107° (1966) 0.22" 0"
July 54° 92° 35° (1953) 112° (1972) 0.05" 0"
August 53° 92° 34° (1982) 112° (1981) 0.09" 0"
September 49° 86° 12° (1982) 108° (1998) 0.48" 0"
October 43° 75° 23° (1971) 101° (1980) 1.48" 0"
November 37° 60° 20° (1961) 91° (1950) 4.3" 0"
December 33° 54° 9° (1972) 78° (1957) 4.81" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 34° 55° 25° (1967) 71° (1959) 0.15" NA
Dec 2 34° 55° 25° (1957) 73° (1958) 0.15" NA
Dec 3 34° 55° 25° (1957) 70° (1958) 0.15" NA
Dec 4 34° 55° 24° (1948) 70° (1977) 0.15" NA
Dec 5 34° 54° 18° (1972) 68° (1959) 0.15" NA
Dec 6 34° 54° 21° (1978) 78° (1957) 0.15" NA
Dec 7 33° 54° 19° (1978) 73° (1988) 0.15" NA
Dec 8 33° 54° 12° (1972) 69° (1962) 0.15" NA
Dec 9 33° 54° 9° (1972) 70° (1988) 0.14" NA
Dec 10 33° 54° 13° (1972) 70° (1976) 0.14" NA
Dec 11 33° 54° 11° (1972) 75° (1958) 0.14" NA
Dec 12 33° 54° 20° (1972) 70° (1944) 0.15" NA
Dec 13 33° 53° 20° (1972) 66° (1956) 0.15" NA
Dec 14 33° 53° 15° (1972) 69° (1958) 0.15" NA
Dec 15 33° 53° 21° (1967) 76° (1980) 0.15" NA
Dec 16 33° 53° 21° (1967) 71° (1980) 0.15" NA
Dec 17 33° 53° 19° (1965) 69° (1998) 0.15" NA
Dec 18 33° 53° 22° (1965) 67° (1998) 0.15" NA
Dec 19 33° 53° 20° (1965) 65° (1946) 0.15" NA
Dec 20 32° 53° 18° (1968) 73° (1999) 0.15" NA
Dec 21 32° 53° 12° (1990) 76° (1999) 0.15" NA
Dec 22 32° 53° 18° (1998) 69° (1999) 0.16" NA
Dec 23 32° 53° 16° (1948) 65° (1960) 0.16" NA
Dec 24 32° 53° 11° (1990) 64° (1960) 0.16" NA
Dec 25 32° 53° 20° (1974) 70° (1942) 0.16" NA
Dec 26 32° 53° 20° (1962) 75° (1967) 0.17" NA
Dec 27 32° 53° 20° (1954) 74° (1967) 0.17" NA
Dec 28 32° 53° 21° (1956) 70° (1942) 0.17" NA
Dec 29 32° 53° 17° (1974) 68° (1975) 0.18" NA
Dec 30 32° 53° 20° (1978) 65° (1997) 0.18" NA
Dec 31 32° 53° 20° (1978) 62° (1956) 0.18" NA
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