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Jackson, Illinois Climate Averages

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Jackson Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 37°F Lo 24°F Hi 42°F Lo 26°F Hi 53°F Lo 37°F Hi 63°F Lo 46°F Hi 74°F Lo 57°F Hi 83°F Lo 66°F Hi 85°F Lo 68°F Hi 83°F Lo 66°F Hi 79°F Lo 60°F Hi 66°F Lo 49°F Hi 52°F Lo 37°F Hi 43°F Lo 30°F
10 mph 10 mph 10 mph 10 mph 8 mph 7 mph 6 mph 6 mph 7 mph 9 mph 10 mph 10 mph
3 in 3 in 4.4 in 6 in 5.2 in 4.8 in 4.9 in 4.4 in 3.2 in 4.2 in 3.6 in 3.4 in
77% 77% 76% 76% 79% 77% 81% 80% 73% 68% 71% 77%
54% 50% 48% 45% 41% 31% 32% 31% 29% 35% 37% 50%
30.1 in 30.1 in 30.1 in 30.0 in 30.0 in 29.9 in 30.0 in 30.0 in 30.0 in 30.0 in 30.1 in 30.1 in
21 18 22 22 21 22 22 23 24 24 24 22
7 7 8 8 10 8 9 8 6 7 6 7
3 3 1 0 0 0 0 0 0 0 1 2
0 0 0 0 0 0 0 0 1 0 0 0
2 2 3 4 5 6 5 6 5 3 2 1
143 144 153 165 183 232 232 233 241 222 200 156
January
February
March
April
May
June
July
August
September
October
November
December
Hi 3°C Lo -5°C Hi 5°C Lo -3°C Hi 12°C Lo 3°C Hi 17°C Lo 8°C Hi 23°C Lo 14°C Hi 28°C Lo 19°C Hi 29°C Lo 20°C Hi 29°C Lo 19°C Hi 26°C Lo 16°C Hi 19°C Lo 10°C Hi 11°C Lo 3°C Hi 6°C Lo -1°C
16 km/h 16 km/h 16 km/h 16 km/h 14 km/h 12 km/h 10 km/h 10 km/h 11 km/h 15 km/h 15 km/h 15 km/h
77 mm 75 mm 111 mm 153 mm 131 mm 122 mm 126 mm 111 mm 82 mm 107 mm 92 mm 87 mm
77% 77% 76% 76% 79% 77% 81% 80% 73% 68% 71% 77%
54% 50% 48% 45% 41% 31% 32% 31% 29% 35% 37% 50%
1021 mb 1020 mb 1018 mb 1014 mb 1015 mb 1014 mb 1015 mb 1015 mb 1017 mb 1017 mb 1020 mb 1020 mb
21 18 22 22 21 22 22 23 24 24 24 22
7 7 8 8 10 8 9 8 6 7 6 7
3 3 1 0 0 0 0 0 0 0 1 2
0 0 0 0 0 0 0 0 1 0 0 0
2 2 3 4 5 6 5 6 5 3 2 1
143 144 153 165 183 232 232 233 241 222 200 156
Month
Avg. Temperatures
Avg. Wind Speed
Avg. Precipitation
Average Humidity
Avg. Cloud Cover
Pressure Average
Average Dry Days
Avg. Precip. Days
Avg. Snow Days
Average Fog Days
Average UV Index
Avg. Hours of Sun
Averages are based on historical weather data from the past 10 years.

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