Mater Dei High School, Illinois Climate Averages

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Mater Dei High School Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 38°F Lo 24°F Hi 43°F Lo 28°F Hi 56°F Lo 39°F Hi 65°F Lo 47°F Hi 74°F Lo 58°F Hi 84°F Lo 67°F Hi 87°F Lo 70°F Hi 85°F Lo 67°F Hi 80°F Lo 61°F Hi 68°F Lo 50°F Hi 54°F Lo 38°F Hi 44°F Lo 31°F
10 mph 10 mph 10 mph 10 mph 8 mph 7 mph 6 mph 6 mph 7 mph 9 mph 9 mph 9 mph
3.5 in 3.8 in 5.2 in 7.5 in 7.5 in 5.9 in 5.8 in 4.1 in 4.5 in 4.5 in 4.1 in 4 in
76% 77% 76% 76% 79% 76% 79% 78% 72% 68% 71% 76%
51% 51% 49% 45% 42% 31% 31% 30% 30% 33% 38% 50%
30.2 in 30.1 in 30.0 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
22 18 23 22 21 21 23 24 24 25 24 23
6 7 8 8 10 9 8 7 6 6 5 7
3 3 1 0 0 0 0 0 0 0 1 2
1 1 1 0 1 1 1 1 1 0 1 1
2 2 3 4 5 6 6 5 5 3 2 2
153 141 158 165 177 217 218 240 234 217 203 158
January
February
March
April
May
June
July
August
September
October
November
December
Hi 3°C Lo -4°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 30°C Lo 21°C Hi 30°C Lo 20°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 16 km/h 16 km/h 13 km/h 11 km/h 10 km/h 10 km/h 11 km/h 14 km/h 15 km/h 15 km/h
89 mm 95 mm 132 mm 191 mm 190 mm 149 mm 146 mm 103 mm 115 mm 115 mm 103 mm 100 mm
76% 77% 76% 76% 79% 76% 79% 78% 72% 68% 71% 76%
51% 51% 49% 45% 42% 31% 31% 30% 30% 33% 38% 50%
1021 mb 1020 mb 1018 mb 1015 mb 1015 mb 1014 mb 1015 mb 1015 mb 1017 mb 1017 mb 1020 mb 1020 mb
22 18 23 22 21 21 23 24 24 25 24 23
6 7 8 8 10 9 8 7 6 6 5 7
3 3 1 0 0 0 0 0 0 0 1 2
1 1 1 0 1 1 1 1 1 0 1 1
2 2 3 4 5 6 6 5 5 3 2 2
153 141 158 165 177 217 218 240 234 217 203 158
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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