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Rapid City, South Dakota Climate Averages

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Rapid City Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 35°F Lo 19°F Hi 36°F Lo 18°F Hi 47°F Lo 28°F Hi 54°F Lo 34°F Hi 65°F Lo 45°F Hi 78°F Lo 56°F Hi 86°F Lo 63°F Hi 84°F Lo 62°F Hi 76°F Lo 54°F Hi 59°F Lo 39°F Hi 48°F Lo 29°F Hi 35°F Lo 19°F
8 mph 9 mph 9 mph 10 mph 9 mph 9 mph 8 mph 8 mph 9 mph 9 mph 9 mph 9 mph
0.3 in 0.7 in 1.2 in 3 in 4.4 in 3.4 in 2.5 in 2.1 in 1.6 in 2.1 in 0.6 in 0.8 in
75% 73% 67% 65% 64% 58% 50% 48% 47% 56% 58% 70%
36% 40% 39% 39% 37% 26% 21% 19% 18% 26% 27% 34%
30.1 in 30.1 in 30.0 in 29.9 in 29.9 in 29.8 in 29.9 in 29.9 in 29.9 in 30.0 in 30.0 in 30.1 in
25 20 22 20 21 21 23 24 27 25 25 23
4 6 5 7 10 9 8 7 3 5 3 5
2 3 5 3 0 0 0 0 0 2 2 3
0 0 0 0 0 0 0 0 0 0 0 0
2 2 2 3 4 5 6 5 4 3 2 1
213 178 212 198 211 263 300 307 294 265 253 228
January
February
March
April
May
June
July
August
September
October
November
December
Hi 2°C Lo -8°C Hi 2°C Lo -8°C Hi 8°C Lo -2°C Hi 12°C Lo 1°C Hi 18°C Lo 7°C Hi 25°C Lo 13°C Hi 30°C Lo 17°C Hi 29°C Lo 17°C Hi 25°C Lo 12°C Hi 15°C Lo 4°C Hi 9°C Lo -2°C Hi 2°C Lo -7°C
13 km/h 14 km/h 15 km/h 16 km/h 15 km/h 14 km/h 13 km/h 13 km/h 14 km/h 15 km/h 14 km/h 14 km/h
9 mm 18 mm 30 mm 75 mm 111 mm 87 mm 63 mm 52 mm 41 mm 53 mm 15 mm 19 mm
75% 73% 67% 65% 64% 58% 50% 48% 47% 56% 58% 70%
36% 40% 39% 39% 37% 26% 21% 19% 18% 26% 27% 34%
1020 mb 1020 mb 1016 mb 1013 mb 1013 mb 1011 mb 1012 mb 1012 mb 1013 mb 1015 mb 1018 mb 1019 mb
25 20 22 20 21 21 23 24 27 25 25 23
4 6 5 7 10 9 8 7 3 5 3 5
2 3 5 3 0 0 0 0 0 2 2 3
0 0 0 0 0 0 0 0 0 0 0 0
2 2 2 3 4 5 6 5 4 3 2 1
213 178 212 198 211 263 300 307 294 265 253 228
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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