Tustin, California
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 41° 68° 18° (1937) 94° (2003) 2.96" 0"
February 43° 69° 25° (1953) 92° (1995) 3.07" 0"
March 45° 69° 26° (1936) 98° (1997) 2.79" 0"
April 48° 73° 31° (1953) 106° (1989) 0.77" 0"
May 53° 75° 34° (1975) 105° (1942) 0.28" 0"
June 57° 79° 40° (1953) 109° (1979) 0.1" 0"
July 60° 84° 44° (1948) 105° (1960) 0.01" 0"
August 61° 85° 43° (1979) 110° (1997) 0.14" 0"
September 59° 84° 39° (1948) 111° (1963) 0.34" 0"
October 53° 79° 29° (1971) 108° (1997) 0.4" 0"
November 45° 73° 25° (1938) 105° (1997) 1.22" 0"
December 40° 68° 24° (1968) 97° (1980) 1.79" 0"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 42° 70° 27° (1936) 91° (1959) 0.05" NA
Dec 2 42° 70° 32° (1945) 92° (1958) 0.05" NA
Dec 3 41° 70° 33° (1944) 95° (1958) 0.05" NA
Dec 4 41° 70° 31° (1936) 91° (1979) 0.05" NA
Dec 5 41° 69° 28° (1948) 91° (1979) 0.05" NA
Dec 6 41° 69° 30° (1936) 89° (1979) 0.05" NA
Dec 7 41° 69° 30° (1960) 85° (1938) 0.05" NA
Dec 8 41° 69° 31° (1936) 89° (1938) 0.05" NA
Dec 9 41° 69° 27° (1960) 87° (1957) 0.05" NA
Dec 10 41° 69° 31° (1956) 88° (1958) 0.05" NA
Dec 11 40° 69° 27° (1949) 89° (1958) 0.05" NA
Dec 12 40° 68° 26° (1949) 84° (1952) 0.05" NA
Dec 13 40° 68° 28° (1949) 84° (1998) 0.05" NA
Dec 14 40° 68° 28° (1971) 90° (1953) 0.05" NA
Dec 15 40° 68° 29° (1935) 87° (1942) 0.05" NA
Dec 16 40° 68° 29° (1935) 89° (1980) 0.06" NA
Dec 17 40° 68° 26° (1935) 88° (1998) 0.06" NA
Dec 18 40° 68° 30° (1958) 85° (1929) 0.06" NA
Dec 19 40° 68° 31° (1928) 84° (1985) 0.06" NA
Dec 20 40° 68° 29° (1992) 87° (1929) 0.06" NA
Dec 21 40° 68° 24° (1968) 83° (1960) 0.06" NA
Dec 22 40° 68° 28° (1968) 85° (1960) 0.06" NA
Dec 23 40° 67° 26° (1990) 82° (1989) 0.06" NA
Dec 24 40° 67° 27° (1953) 85° (1950) 0.06" NA
Dec 25 40° 67° 27° (1953) 86° (1947) 0.07" NA
Dec 26 40° 67° 28° (1953) 91° (1980) 0.07" NA
Dec 27 40° 67° 29° (1979) 87° (1956) 0.07" NA
Dec 28 40° 67° 29° (1930) 88° (1956) 0.07" NA
Dec 29 40° 67° 27° (1954) 88° (1929) 0.07" NA
Dec 30 40° 67° 29° (1953) 97° (1980) 0.07" NA
Dec 31 40° 67° 28° (1953) 86° (1997) 0.08" NA
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