Weather Averages Jackson, MS

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Weather Averages for
Jackson, MS


Latitude: 32°19'N, Longitude: 90°5'W, Elevation: 330.0 ft, Distance: 6.17 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 32 years
°F 64 44 48 57 64 71 78 82 80 75 64 55 48
Average high temperature
over 32 years
°F 75 55 60 69 77 82 89 91 91 87 78 68 59
Average low temperature
over 32 years
°F 53 34 37 44 51 60 68 71 69 64 51 43 37
Highest recorded temperature
over 32 years
°F 105 82 84 89 93 98 105 105 102 104 95 87 84
Lowest recorded temperature
over 32 years
°F 1 1 10 15 26 37 46 51 55 35 26 17 3
Average number of rainy days
over 30 years
days 110 11 9 10 9 10 8 10 10 8 6 8 10
Average number of days above 90°F
over 32 years
days 83 - - - - 5 18 24 23 12 1 - -
Average precipitation
over 32 years
in 55.4 5.1 4.6 5.7 5.9 5.2 3.3 4.6 3.9 3.5 3.4 4.7 5.6
Average dew point
over 32 years
°F 55 37 37 46 53 62 68 71 71 66 53 46 39
Average number of days above 70°F
over 32 years
days 253 5 6 16 25 31 30 31 31 30 26 15 7
Most recorded rainfall
over 32 years
in 92.8 14.1 10.3 15.1 15.9 10.8 8.2 13.3 8.3 9.6 9.1 10.0 17.7
Least recorded rainfall
over 32 years
in 38.9 0.8 1.4 2.0 1.2 0.3 0.1 1.0 0.6 0.6 - 0.5 0.9
Average number of days with thunderstorms
over 32 years
days 68 2 3 6 6 7 9 13 10 5 2 3 2
Average number of days with fog
over 32 years
days 204 16 13 16 15 18 18 18 22 20 17 15 16
Average morning relative humidity
over 32 years
% 91 87 87 87 91 92 92 94 95 94 93 90 87
Average evening relative humidity
over 32 years
% 54 59 54 51 50 53 53 57 55 54 49 52 58
Average wind speed
over 32 years
mph 9.0 10.0 10.0 10.0 10.0 9.0 8.0 6.0 6.0 8.0 8.0 9.0 10.0
Average number of days below 32°F
over 32 years
days 49 15 11 4 - - - - - - - 6 12
Average snowfall
over 30 years
in 0.9 0.5 0.2 0.2 - - - - - - - - -
Average number of clear days
over 30 years
days 111 8 8 9 10 8 9 8 9 10 15 10 9
Heating degree days
over 30 years
days 2467 656 485 285 87 7 - - - 6 104 295 542
Cooling degree days
over 30 years
days 2215 8 6 28 75 224 414 512 493 333 94 19 9
Average possibility of sunshine
over 29 years
% 61 48 54 60 65 62 70 65 66 64 68 57 48
Average number of cloudy days
over 30 years
days 150 17 14 15 13 12 9 10 9 11 10 13 16
Average number of partly cloudy days
over 30 years
days 104 6 6 7 7 11 12 13 13 9 6 7 6