Weather Averages Cheswold, DE

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Weather Averages for
Cheswold, DE


Latitude: 39°8'N, Longitude: 75°28'W, Elevation: 30.0 ft, Distance: 8.51 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 47 years
°F 55 33 36 44 53 62 71 77 75 69 57 46 37
Average high temperature
over 47 years
°F 64 41 43 51 62 71 80 84 82 77 66 55 44
Average low temperature
over 47 years
°F 46 26 28 35 44 53 62 68 66 60 48 39 30
Highest recorded temperature
over 47 years
°F 102 71 75 87 89 96 100 102 100 96 91 82 73
Lowest recorded temperature
over 47 years
°F -5 -5 - 8 21 33 43 51 48 39 24 14 -4
Average number of rainy days
over 47 years
days 113 11 9 11 10 11 9 9 9 8 7 9 10
Average precipitation
over 47 years
in 42.7 3.1 3.0 3.9 3.3 3.6 3.4 4.2 4.5 3.6 3.0 3.4 3.6
Average dew point
over 10 years
°F 44 21 24 31 39 51 60 66 66 57 48 37 26
Average number of days with thunderstorms
over 47 years
days 34 1 1 1 3 5 5 7 6 2 1 1 1
Average number of days with fog
over 47 years
days 183 13 12 13 13 16 16 18 21 18 16 14 13
Average morning relative humidity
over 10 years
% 75.7 69.7 70.5 70.6 72.3 76.5 76.8 79.8 82.2 82.6 80.8 76.3 69.6
Average evening relative humidity
over 10 years
% 57.4 57.3 56.2 52.8 56.1 58.7 56.8 58.9 61.2 59 57.2 57.9 56.5
Average wind speed
over 12 years
mph 11.0 8.0 9.0 8.0 6.0 5.0 5.0 4.0 5.0 5.0 6.0 8.0 6.0
Average snowfall
over 42 years
in 17.1 5.5 6.2 2.1 0.2 - - - - - - 0.6 2.2
Most rain reported in a day
over 47 years
in 9.0 2.2 2.7 2.7 2.6 3.0 3.7 5.4 9.0 3.5 4.1 5.7 2.8
Most rain reported in a month
over 47 years
in 72.8 8.2 7.5 7.5 7.1 8.1 15.3 12.6 16.6 8.2 6.9 8.6 8.2
Least rain reported in a month
over 47 years
in 22.8 0.3 1.1 1.1 0.4 0.6 0.7 0.8 0.9 0.4 - 0.3 0.5
Heating degree days
over 49 years
days 4535 963 810 656 350 117 10 - 1 38 242 514 834
Cooling degree days
over 49 years
days 1214 - - 2 13 74 238 374 331 157 23 2 -
Average number of days below 10°F
over 47 years
days 3 1 1 - - - - - - - - - 1
Average number of days above 80°F
over 12 years
days 47 - 1 2 6 17 25 22 11 2 - - 86
Most snow reported in a month
over 42 years
in 53.6 21.5 33.9 20.2 2.2 - - - - - - 9.0 13.6
Average possibility of clouds
over 10 years
% 54 58.5 60 55.3 57.4 57 51.3 53.6 49.8 47.7 46.9 53.3 57.7
Average number of snowy days
over 42 years
days 11 4 3 1 1 - - - - - - 1 1
Average number of days below 33°F
over 47 years
days 86 24 20 12 2 - - - - - 1 8 19
Most snow reported in a day
over 42 years
in 64.3 17.9 8.2 2.2 - - - - - - 9.0 9.1 17.9
Deepest snow cover reported
over 42 years
in 26.0 18.0 26.0 12.0 1.0 - - - - - - 5.0 12.0
Average wet bulb point
over 10 years
°F 50 30 33 39 46 57 64 69 69 62 53 44 34