Weather Averages American Canyon, CA

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Weather Averages for
American Canyon, CA


Latitude: 38°13'N, Longitude: 122°17'W, Elevation: 33.0 ft, Distance: 3.04 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 58 years
°F 57 46 50 51 55 60 64 66 66 66 60 53 48
Average high temperature
over 58 years
°F 71 55 60 64 69 73 78 80 80 82 75 66 57
Average low temperature
over 59 years
°F 44 37 39 41 43 46 50 51 51 50 46 42 39
Highest recorded temperature
over 60 years
°F 109 82 86 91 95 104 109 109 109 109 102 89 77
Lowest recorded temperature
over 61 years
°F 17 19 23 23 24 32 34 37 37 36 28 24 17
Average number of rainy days
over 83 years
days 46.3 8.5 7.7 6.3 4.4 2.4 0.7 - 0.3 1.4 2.5 4.2 7.9
Average number of days above 90°F
over 10 years
days 24.6 - - 0.3 0.3 2 5 5 3 6 3 - -
Average precipitation
over 83 years
in 23.5 4.9 4.2 3.3 1.7 0.8 0.2 - - 0.4 1.2 2.4 4.4
Average relative humidity
over 3 years
% 73 85 74 70 69 68 63 71 68 66 74 81 82
Average dew point
over 3 years
°F 44 39 39 39 43 46 48 51 50 48 48 44 39
Average number of days below 32°F
over 10 years
days 23.3 7 5 3 0.3 - - - - - - 1 7