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Chester, South Dakota Climate Averages

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Chester Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 24°F Lo 8°F Hi 28°F Lo 11°F Hi 43°F Lo 26°F Hi 54°F Lo 37°F Hi 67°F Lo 49°F Hi 78°F Lo 60°F Hi 83°F Lo 63°F Hi 81°F Lo 61°F Hi 75°F Lo 54°F Hi 58°F Lo 41°F Hi 44°F Lo 28°F Hi 29°F Lo 16°F
10 mph 11 mph 11 mph 12 mph 10 mph 9 mph 8 mph 9 mph 10 mph 11 mph 11 mph 10 mph
0.8 in 1 in 1.9 in 3.4 in 4.9 in 5.9 in 4 in 3.9 in 3.6 in 3 in 1.2 in 1.5 in
89% 84% 78% 69% 70% 75% 73% 70% 66% 64% 69% 83%
57% 53% 52% 47% 44% 36% 29% 30% 28% 34% 37% 52%
30.2 in 30.2 in 30.1 in 29.9 in 29.9 in 29.9 in 29.9 in 29.9 in 30.0 in 30.0 in 30.1 in 30.1 in
21 20 21 20 21 21 23 24 25 24 24 21
6 5 6 8 10 9 8 7 5 6 4 6
4 3 4 2 0 0 0 0 0 1 2 4
1 0 1 0 0 0 0 0 0 0 1 1
1 1 2 3 4 5 5 5 4 2 2 1
115 128 145 161 178 205 257 250 244 231 204 149
January
February
March
April
May
June
July
August
September
October
November
December
Hi -5°C Lo -13°C Hi -3°C Lo -12°C Hi 6°C Lo -3°C Hi 12°C Lo 3°C Hi 20°C Lo 9°C Hi 26°C Lo 15°C Hi 28°C Lo 17°C Hi 28°C Lo 16°C Hi 24°C Lo 12°C Hi 14°C Lo 5°C Hi 7°C Lo -2°C Hi -2°C Lo -9°C
17 km/h 17 km/h 18 km/h 19 km/h 16 km/h 15 km/h 13 km/h 14 km/h 16 km/h 17 km/h 17 km/h 17 km/h
20 mm 25 mm 47 mm 86 mm 123 mm 150 mm 101 mm 100 mm 91 mm 75 mm 31 mm 39 mm
89% 84% 78% 69% 70% 75% 73% 70% 66% 64% 69% 83%
57% 53% 52% 47% 44% 36% 29% 30% 28% 34% 37% 52%
1021 mb 1021 mb 1018 mb 1014 mb 1013 mb 1011 mb 1013 mb 1013 mb 1015 mb 1015 mb 1018 mb 1019 mb
21 20 21 20 21 21 23 24 25 24 24 21
6 5 6 8 10 9 8 7 5 6 4 6
4 3 4 2 0 0 0 0 0 1 2 4
1 0 1 0 0 0 0 0 0 0 1 1
1 1 2 3 4 5 5 5 4 2 2 1
115 128 145 161 178 205 257 250 244 231 204 149
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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