Weather Averages Belcoville, NJ

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Weather Averages for
Belcoville, NJ



Latitude: 39°27'N, Longitude: 74°34'W, Elevation: 42.1 m, Distance: 5.63 km

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 38 years
°C 12 0 0 5 10 16 21 23 23 19 13 7 2
Average high temperature
over 38 years
°C 17 5 6 10 16 21 26 29 28 25 18 13 7
Average low temperature
over 38 years
°C 6 -5 -4 0 4 10 15 18 17 13 6 2 -3
Highest recorded temperature
over 38 years
°C 41 25 23 29 34 37 41 40 37 37 32 27 23
Lowest recorded temperature
over 38 years
°C -23 -23 -23 -15 -11 -3 2 5 4 0 -6 -12 -18
Average number of rainy days
over 50 years
days 112 11 10 11 11 10 9 9 9 8 7 9 10
Average number of days above 27°C
over 38 years
days 18 - - - - 1 4 7 5 1 - - -
Average precipitation
over 38 years
cm 102.4 8.4 7.4 9.9 8.4 8.4 6.3 10.9 10.9 7.6 7.4 8.4 8.1
Average dew point
over 38 years
°C 6 -5 -5 -1 3 10 15 18 18 14 8 2 -2
Average number of days above 17°C
over 38 years
days 153 - - 2 6 17 27 31 31 25 11 2 -
Most recorded rainfall
over 38 years
cm 128.0 18.0 14.7 23.6 19.3 17.0 16.3 33.3 30.5 16.0 16.8 24.4 18.5
Least recorded rainfall
over 38 years
cm 64.3 1.5 2.0 1.8 2.0 1.3 1.8 1.3 1.0 1.0 0.3 1.8 1.5
Average number of days with thunderstorms
over 38 years
days 28 - - 1 2 4 5 7 5 2 1 1 -
Average number of days with fog
over 38 years
days 172 12 11 13 13 15 16 19 19 16 14 12 12
Average morning relative humidity
over 38 years
% 81 78 78 78 77 79 81 84 87 87 87 83 79
Average evening relative humidity
over 38 years
% 59 60 57 55 54 57 58 60 62 61 59 61 61
Average wind speed
over 38 years
km/h 17.7 20.9 20.9 22.5 17.7 17.7 16.1 16.1 14.5 12.9 16.1 19.3 20.9
Average number of days below -1.5°C
over 38 years
days 109 25 22 17 6 - - - - - 3 12 23
Average snowfall
over 49 years
cm 40.9 13.2 13.7 6.6 0.8 - - - - - - 1.0 5.6
Average number of clear days
over 35 years
days 94 8 7 8 7 6 7 7 7 10 11 7 8
Heating degree days
over 30 years
days 5169 1057 896 729 450 167 12 - - 53 324 576 905
Cooling degree days
over 30 years
days 826 - - - - 25 144 301 260 86 10 - -
Average possibility of sunshine
over 33 years
% 56 50 52 55 55 56 60 61 64 60 59 50 46
Average number of cloudy days
over 35 years
days 160 15 14 15 14 14 12 13 12 12 11 14 15
Average number of partly cloudy days
over 35 years
days 111 8 7 8 9 11 11 11 12 8 9 9 8
Average number of days below -12.5°C
over 38 years
days 10 5 3 - - - - - - - - - 2