Portola, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -7° -30° (1971) 18.9° (1961) 4.06" 10.1"
February -6° -29.4° (1949) 22.2° (1986) 4.03" 11.8"
March -4° 11° -24.4° (1952) 26.7° (1966) 3.36" 5.6"
April -2° 14° -15.6° (1975) 29.4° (1981) 1.37" 2.7"
May 19° -10.6° (1950) 34.4° (2003) 0.96" 0.3"
June 25° -6.7° (2002) 43.9° (2006) 0.52" 0.1"
July 29° -5.6° (1976) 39.4° (2002) 0.28" 0"
August 29° -5° (1960) 41.7° (1981) 0.28" 0"
September 25° -10° (1950) 37.8° (1955) 0.6" 0"
October -1° 19° -12.8° (1971) 33.3° (1980) 1.27" 0.3"
November -4° 10° -17.8° (1975) 24.4° (1949) 2.59" 4.3"
December -7° -33.3° (1972) 21.1° (1958) 4.09" 7.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 -8° -27° (1952) 15° (1964) 0.13" 0.3"
Jan 2 -8° -26° (1966) 13° (1981) 0.13" 0.2"
Jan 3 -8° -28° (1950) 12° (1962) 0.13" 0.3"
Jan 4 -8° -30° (1971) 14° (1994) 0.14" 0.3"
Jan 5 -8° -26° (1971) 14° (1954) 0.13" 0.2"
Jan 6 -7° -21° (1971) 13° (2001) 0.13" 0.3"
Jan 7 -7° -20° (1955) 16° (1996) 0.13" 0.3"
Jan 8 -7° -22° (1965) 16° (1962) 0.13" 0.2"
Jan 9 -7° -24° (1957) 17° (1990) 0.14" 0.3"
Jan 10 -7° -24° (1949) 19° (1961) 0.14" 0.3"
Jan 11 -7° -23° (1949) 16° (1953) 0.15" 0.3"
Jan 12 -7° -21° (1949) 13° (1961) 0.14" 0.3"
Jan 13 -7° -23° (1960) 15° (1986) 0.15" 0.2"
Jan 14 -7° -23° (1950) 15° (1996) 0.14" 0.3"
Jan 15 -7° -28° (1950) 14° (1967) 0.14" 0.4"
Jan 16 -7° -23° (1960) 16° (1959) 0.13" 0.3"
Jan 17 -7° -21° (1955) 17° (1961) 0.12" 0.3"
Jan 18 -7° -26° (1952) 17° (1986) 0.12" 0.4"
Jan 19 -7° -21° (1952) 14° (1961) 0.12" 0.3"
Jan 20 -7° -19° (1966) 14° (1994) 0.13" 0.3"
Jan 21 -7° -18° (1957) 16° (1994) 0.12" 0.4"
Jan 22 -7° -28° (1962) 14° (1963) 0.12" 0.4"
Jan 23 -7° -23° (1957) 14° (1994) 0.12" 0.4"
Jan 24 -7° -23° (1949) 16° (1953) 0.12" 0.3"
Jan 25 -7° -23° (1950) 16° (1992) 0.13" 0.4"
Jan 26 -7° -22° (1957) 14° (1987) 0.13" 0.4"
Jan 27 -7° -25° (1957) 14° (1987) 0.13" 0.4"
Jan 28 -7° -21° (1956) 16° (1986) 0.13" 0.4"
Jan 29 -7° -23° (1956) 14° (1976) 0.13" 0.4"
Jan 30 -7° -24° (1957) 14° (1953) 0.13" 0.4"
Jan 31 -7° -26° (1972) 17° (1953) 0.13" 0.4"
Advertisements
Track Severe Weather on mobile