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Edwardsville, Illinois Climate Averages

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Edwardsville Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 38°F Lo 24°F Hi 42°F Lo 27°F Hi 55°F Lo 38°F Hi 64°F Lo 46°F Hi 74°F Lo 57°F Hi 84°F Lo 67°F Hi 86°F Lo 69°F Hi 85°F Lo 67°F Hi 80°F Lo 61°F Hi 67°F Lo 50°F Hi 54°F Lo 38°F Hi 44°F Lo 31°F
10 mph 10 mph 10 mph 9 mph 8 mph 7 mph 6 mph 6 mph 7 mph 9 mph 9 mph 9 mph
2.7 in 2.9 in 4.4 in 5.7 in 6.2 in 4.8 in 4.5 in 4.6 in 3.7 in 4.1 in 3.2 in 3 in
76% 76% 75% 75% 78% 76% 78% 78% 72% 68% 70% 75%
52% 49% 48% 44% 40% 30% 31% 29% 28% 34% 36% 48%
30.1 in 30.1 in 30.1 in 29.9 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 21 21 21 22 23 24 24 24 23
6 6 8 9 10 9 9 8 6 7 5 7
4 4 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 6 5 5 3 2 1
152 149 158 170 195 237 239 245 242 226 213 165
January
February
March
April
May
June
July
August
September
October
November
December
Hi 3°C Lo -4°C Hi 6°C Lo -3°C Hi 13°C Lo 3°C Hi 18°C Lo 8°C Hi 24°C Lo 14°C Hi 29°C Lo 19°C Hi 30°C Lo 21°C Hi 29°C Lo 20°C Hi 27°C Lo 16°C Hi 19°C Lo 10°C Hi 12°C Lo 3°C Hi 6°C Lo -1°C
15 km/h 15 km/h 16 km/h 15 km/h 13 km/h 11 km/h 9 km/h 10 km/h 11 km/h 14 km/h 14 km/h 15 km/h
68 mm 72 mm 112 mm 145 mm 158 mm 122 mm 114 mm 117 mm 94 mm 103 mm 82 mm 75 mm
76% 76% 75% 75% 78% 76% 78% 78% 72% 68% 70% 75%
52% 49% 48% 44% 40% 30% 31% 29% 28% 34% 36% 48%
1021 mb 1020 mb 1018 mb 1014 mb 1015 mb 1013 mb 1015 mb 1015 mb 1017 mb 1017 mb 1020 mb 1020 mb
21 18 22 21 21 21 22 23 24 24 24 23
6 6 8 9 10 9 9 8 6 7 5 7
4 4 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 6 5 5 3 2 1
152 149 158 170 195 237 239 245 242 226 213 165
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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