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St. Morgan, Illinois Climate Averages

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St. Morgan Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 37°F Lo 25°F Hi 41°F Lo 27°F Hi 54°F Lo 38°F Hi 64°F Lo 47°F Hi 74°F Lo 57°F Hi 84°F Lo 66°F Hi 86°F Lo 68°F Hi 84°F Lo 66°F Hi 79°F Lo 60°F Hi 67°F Lo 50°F Hi 53°F Lo 38°F Hi 43°F Lo 31°F
10 mph 10 mph 10 mph 9 mph 8 mph 7 mph 6 mph 6 mph 7 mph 8 mph 9 mph 9 mph
3.4 in 3.2 in 5.1 in 7 in 6.8 in 7.7 in 6.5 in 5.8 in 4.3 in 4.6 in 3.7 in 3.3 in
75% 77% 76% 77% 79% 76% 79% 79% 74% 70% 71% 75%
50% 50% 46% 42% 37% 26% 26% 26% 27% 33% 35% 46%
30.2 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
17 15 20 21 22 21 23 24 24 26 23 20
5 5 8 8 9 9 8 7 6 5 5 6
9 9 3 1 0 0 0 0 0 0 2 5
1 2 2 2 3 2 2 4 2 1 0 2
2 2 3 4 5 6 6 6 5 3 2 2
239 220 261 268 303 328 338 340 323 300 280 257
January
February
March
April
May
June
July
August
September
October
November
December
Hi 3°C Lo -4°C Hi 5°C Lo -3°C Hi 12°C Lo 4°C Hi 18°C Lo 8°C Hi 23°C Lo 14°C Hi 29°C Lo 19°C Hi 30°C Lo 20°C Hi 29°C Lo 19°C Hi 26°C Lo 16°C Hi 19°C Lo 10°C Hi 12°C Lo 4°C Hi 6°C Lo -0°C
16 km/h 16 km/h 16 km/h 15 km/h 13 km/h 11 km/h 9 km/h 9 km/h 10 km/h 14 km/h 15 km/h 15 km/h
85 mm 82 mm 128 mm 178 mm 172 mm 195 mm 165 mm 147 mm 109 mm 117 mm 93 mm 84 mm
75% 77% 76% 77% 79% 76% 79% 79% 74% 70% 71% 75%
50% 50% 46% 42% 37% 26% 26% 26% 27% 33% 35% 46%
1021 mb 1020 mb 1018 mb 1014 mb 1015 mb 1014 mb 1015 mb 1015 mb 1017 mb 1017 mb 1020 mb 1020 mb
17 15 20 21 22 21 23 24 24 26 23 20
5 5 8 8 9 9 8 7 6 5 5 6
9 9 3 1 0 0 0 0 0 0 2 5
1 2 2 2 3 2 2 4 2 1 0 2
2 2 3 4 5 6 6 6 5 3 2 2
239 220 261 268 303 328 338 340 323 300 280 257
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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