Weather Averages Arlington, CA

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Weather Averages for
Arlington, CA


Latitude: 33°53'N, Longitude: 117°16'W, Elevation: 1538.0 ft, Distance: 10.72 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 59 years
°F 62 51 53 55 59 64 69 77 77 73 66 57 51
Average high temperature
over 59 years
°F 77 62 64 66 71 77 84 93 91 89 80 71 64
Average low temperature
over 59 years
°F 48 39 41 43 46 51 55 60 62 59 51 44 39
Highest recorded temperature
over 59 years
°F 114 84 87 95 100 107 109 111 111 114 109 93 89
Lowest recorded temperature
over 59 years
°F 16 16 21 24 26 32 39 48 46 42 28 26 17
Average number of rainy days
over 59 years
days 37 6 6 6 4 1 1 1 1 1 2 3 5
Average number of days above 90°F
over 12 years
days 59 - - 1 3 10 22 22 15 6 1 - 80
Average precipitation
over 59 years
in 10.1 2.1 2.0 1.7 0.8 0.2 0.1 0.1 0.2 0.3 0.4 0.9 1.5
Average dew point
over 10 years
°F 44 33 37 41 44 48 51 55 53 51 46 35 31
Average number of days with thunderstorms
over 46 years
days 12 1 1 1 1 1 1 1 1 1 1 1 1
Average number of days with fog
over 46 years
days 169 13 14 18 16 18 16 11 10 12 16 13 12
Average morning relative humidity
over 10 years
% 67.8 64.9 71.5 77 73.2 72.8 67.3 68.3 61.5 64.3 69.3 60.6 63.2
Average evening relative humidity
over 10 years
% 35.8 38.8 42.3 45.9 38.9 39.3 33.9 33.2 29.5 29.5 33.9 30.7 34.5
Average wind speed
over 12 years
mph 11.0 4.0 4.0 4.0 5.0 5.0 5.0 5.0 4.0 3.0 4.0 4.0 4.0
Average snowfall
over 49 years
in 0.1 0.1 - - - - - - - - - - -
Most rain reported in a day
over 59 years
in 3.1 3.1 2.4 2.4 1.6 1.1 0.9 1.4 1.7 2.1 1.1 2.1 2.7
Most rain reported in a month
over 59 years
in 24.0 9.0 8.9 6.1 4.6 2.1 0.9 1.5 2.4 3.0 2.9 5.6 6.1
Least rain reported in a month
over 59 years
in 3.2 - - - - - - - - - - - -
Heating degree days
over 54 years
days 2038 416 329 321 187 89 18 - - 5 61 226 386
Cooling degree days
over 54 years
days 1407 - 1 2 23 61 177 379 386 274 95 9 -
Most snow reported in a month
over 49 years
in 4.9 4.9 0.2 0.6 - - - - - - - 0.1 1.1
Average possibility of clouds
over 10 years
% 33.5 43 49 47.9 44.9 42.2 24.8 22.2 13.5 21 32.6 27.5 34.7
Average number of days below 33°F
over 59 years
days 14 5 2 1 1 - - - - - - 1 4
Most snow reported in a day
over 49 years
in 4.7 0.2 0.6 - - - - - - - 0.1 0.8 3.0
Deepest snow cover reported
over 49 years
in 2.0 2.0 - - - - - - - - - - 1.0
Average wet bulb point
over 10 years
°F 53 44 46 48 51 55 60 62 62 60 55 46 43
Average number of days below 40°F
over 59 years
days 63 16 11 8 4 1 - - - - 1 7 15