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What is the weather like in Marion, IllinoisMarion, Illinois monthly and yearly climate averages.

Marion, Illinois Climate Averages

Monthly and yearly weather averages for Marion, IllinoisWeather almanac for Marion, IL. Marion monthly weather averages.
Lat: 37.73N, Lon: 88.94W  Web Search

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Marion Monthly Averages

12 Month Weather Scroll   °F Click to change Marion weather to Imperial units.Click to change Marion weather to Metric units. °C
January
February
March
April
May
June
July
August
September
October
November
December
Hi 40°F Lo 27°F Hi 44°F Lo 30°F Hi 56°F Lo 40°F Hi 66°F Lo 48°F Hi 76°F Lo 57°F Hi 85°F Lo 66°F Hi 88°F Lo 68°F Hi 87°F Lo 66°F Hi 81°F Lo 60°F Hi 68°F Lo 49°F Hi 54°F Lo 39°F Hi 45°F Lo 33°F
9 mph 9 mph 9 mph 9 mph 8 mph 7 mph 6 mph 6 mph 6 mph 8 mph 9 mph 9 mph
2.4 in 3.1 in 3.8 in 4.3 in 4.4 in 3.9 in 3.5 in 3.5 in 2.4 in 2.8 in 2.6 in 2.5 in
77% 78% 78% 77% 79% 76% 76% 76% 73% 71% 74% 77%
50% 52% 49% 41% 38% 28% 28% 27% 28% 32% 36% 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
16 11 11 12 9 9 9 12 15 17 17 17
11 12 17 16 19 19 20 16 13 11 11 11
7 7 2 1 0 0 0 0 0 0 1 3
5 3 4 4 6 5 6 6 5 3 2 3
2 2 3 4 5 6 6 6 5 3 3 2
235 213 246 273 301 327 344 344 318 304 276 252
January
February
March
April
May
June
July
August
September
October
November
December
Hi 4°C Lo -3°C Hi 6°C Lo -1°C Hi 13°C Lo 4°C Hi 19°C Lo 9°C Hi 24°C Lo 14°C Hi 30°C Lo 19°C Hi 31°C Lo 20°C Hi 31°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 0°C
15 km/h 15 km/h 14 km/h 14 km/h 12 km/h 10 km/h 9 km/h 9 km/h 10 km/h 13 km/h 14 km/h 14 km/h
61 mm 78 mm 96 mm 109 mm 111 mm 100 mm 88 mm 88 mm 62 mm 71 mm 67 mm 63 mm
77% 78% 78% 77% 79% 76% 76% 76% 73% 71% 74% 77%
50% 52% 49% 41% 38% 28% 28% 27% 28% 32% 36% 47%
1021 mb 1020 mb 1019 mb 1015 mb 1015 mb 1014 mb 1015 mb 1015 mb 1017 mb 1018 mb 1021 mb 1021 mb
16 11 11 12 9 9 9 12 15 17 17 17
11 12 17 16 19 19 20 16 13 11 11 11
7 7 2 1 0 0 0 0 0 0 1 3
5 3 4 4 6 5 6 6 5 3 2 3
2 2 3 4 5 6 6 6 5 3 3 2
235 213 246 273 301 327 344 344 318 304 276 252
Month
Avg. Temperatures
Avg. Wind Speed
Avg. Precipitation
Average Humidity
Avg. Cloud Cover
Barometric Pressure
Average Dry Days
Avg. Precip. Days
Average 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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