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Marion, Illinois Climate Averages

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Marion Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 39°F Lo 26°F Hi 43°F Lo 29°F Hi 55°F Lo 40°F Hi 65°F Lo 48°F Hi 75°F Lo 58°F Hi 85°F Lo 66°F Hi 88°F Lo 69°F Hi 86°F Lo 67°F Hi 81°F Lo 61°F Hi 68°F Lo 50°F Hi 54°F Lo 39°F Hi 45°F Lo 33°F
9 mph 10 mph 9 mph 9 mph 8 mph 7 mph 6 mph 6 mph 7 mph 8 mph 9 mph 9 mph
3 in 4 in 4.6 in 6.4 in 5.6 in 4.5 in 4.5 in 3.9 in 3 in 3.6 in 3.4 in 3.5 in
76% 78% 77% 77% 79% 76% 76% 75% 72% 69% 71% 77%
49% 51% 47% 42% 37% 27% 28% 27% 27% 32% 35% 47%
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
19 16 22 22 22 23 24 25 26 27 24 22
5 5 7 7 9 7 7 6 4 4 5 5
7 7 3 1 0 0 0 0 0 0 1 4
3 2 3 3 5 4 4 5 4 2 1 2
2 2 3 4 5 6 6 6 5 3 3 2
162 140 159 175 210 250 256 260 248 228 215 167
January
February
March
April
May
June
July
August
September
October
November
December
Hi 4°C Lo -3°C Hi 6°C Lo -2°C Hi 13°C Lo 4°C Hi 18°C Lo 9°C Hi 24°C Lo 14°C Hi 29°C Lo 19°C Hi 31°C Lo 20°C Hi 30°C Lo 19°C Hi 27°C Lo 16°C Hi 20°C Lo 10°C Hi 12°C Lo 4°C Hi 7°C Lo 1°C
15 km/h 15 km/h 15 km/h 15 km/h 13 km/h 11 km/h 10 km/h 10 km/h 11 km/h 13 km/h 14 km/h 14 km/h
77 mm 101 mm 115 mm 164 mm 143 mm 113 mm 115 mm 99 mm 76 mm 90 mm 86 mm 88 mm
76% 78% 77% 77% 79% 76% 76% 75% 72% 69% 71% 77%
49% 51% 47% 42% 37% 27% 28% 27% 27% 32% 35% 47%
1021 mb 1021 mb 1018 mb 1015 mb 1015 mb 1014 mb 1015 mb 1015 mb 1017 mb 1017 mb 1021 mb 1020 mb
19 16 22 22 22 23 24 25 26 27 24 22
5 5 7 7 9 7 7 6 4 4 5 5
7 7 3 1 0 0 0 0 0 0 1 4
3 2 3 3 5 4 4 5 4 2 1 2
2 2 3 4 5 6 6 6 5 3 3 2
162 140 159 175 210 250 256 260 248 228 215 167
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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