Rapid City, South Dakota, United States Climate

Weather: 12.25°C/54.05°F, Wind SW at 4.63 km/h, 74% Humidity, 0% Chance of rain

United States
(Photo by Michelen Studios on Unsplash)
Contents

Rapid City Climate Summary

Located at an elevation of 987.79 meters (3240.78 feet) above sea level, Rapid City has a Humid continental, no dry season, hot summer climate (Classification: Dfa). The district’s yearly temperature is 9.88ºC (49.78ºF) and it is -2.76% lower than United States’s averages. Rapid City typically receives about 18.87 millimeters (0.74 inches) of precipitation and has 32.91 rainy days (9.02% of the time) annually.

CountryUnited States
CitySouth Dakota
Longitude-103.2310149
Latitude44.0805434
Attitude/Elevation987.79m (3240.78ft)
Local timeFriday 04:58
Annual high temperature13.7ºC (56.66ºF)
Annual low temperature3.75ºC (38.75ºF)
Average annual precip.18.87mm (0.74in)
Warmest monthJuly (29.52ºC / 85.14ºF)
Coldest MonthFebruary (-11.36ºC / 11.55ºF)
Wettest MonthMay (46.62mm / 1.84in)
Driest MonthJanuary (5.9mm / 0.23in)
Number of days with rainfall (≥ 1.0 mm)32.91 days (9.02%)
Days with no rain332.09000000000003 days (90.98%)
Humidity61.37%

Climate Rapid City: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)13.0(55.4)14.0(57.2)19.0(66.2)26.0(78.8)33.0(91.4)38.0(100.4)39.0(102.2)38.0(100.4)35.0(95.0)29.0(84.2)25.0(77.0)16.0(60.8)39.0(102.2)
Average high °C (°F)1.57(34.83)-2.33(27.81)5.58(42.04)10.97(51.75)17.9(64.22)25.84(78.51)29.52(85.14)28.89(84.0)23.78(74.8)11.7(53.06)7.91(46.24)3.09(37.56)13.7(56.66)
Daily mean °C (°F)-1.56(29.19)-5.96(21.27)2.23(36.01)7.1(44.78)14.42(57.96)21.87(71.37)25.08(77.14)24.57(76.23)19.43(66.97)7.47(45.45)4.07(39.33)-0.2(31.64)9.88(49.78)
Average low °C (°F)-6.27(20.71)-11.36(11.55)-3.22(26.2)0.46(32.83)7.77(45.99)14.1(57.38)17.49(63.48)17.2(62.96)12.72(54.9)1.52(34.74)-1.06(30.09)-4.39(24.1)3.75(38.75)
Record low °C (°F)-22.0(-7.6)-23.0(-9.4)-26.0(-14.8)-13.0(8.6)-4.0(24.8)7.0(44.6)12.0(53.6)10.0(50.0)1.0(33.8)-18.0(-0.4)-18.0(-0.4)-17.0(1.4)-26.0(-14.8)
Average precipitation mm (inches)5.9(0.23)10.29(0.41)17.25(0.68)25.92(1.02)46.62(1.84)27.85(1.1)34.55(1.36)14.45(0.57)17.38(0.68)11.84(0.47)7.26(0.29)7.13(0.28)18.87(0.74)
Average precipitation days (≥ 1.0 mm)1.642.02.733.454.733.824.363.02.02.361.641.182.74
Average relative humidity (%)70.9875.7572.8165.3265.8956.7153.2747.648.6157.4956.5765.4861.37
Mean monthly sunshine hours7.738.949.9311.212.9313.9314.2913.0211.229.327.97.4910.66

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Rapid City in recent years.

Rapid City

Rapid City Temperature by Month

July
25.08°C | 77.14°F
August
24.57°C | 76.23°F
June
21.87°C | 71.37°F
September
19.43°C | 66.97°F
May
14.42°C | 57.96°F
October
7.47°C | 45.45°F
April
7.1°C | 44.78°F
November
4.07°C | 39.33°F
March
2.23°C | 36.01°F
December
-0.2°C | 31.64°F
January
-1.56°C | 29.19°F
February
-5.96°C | 21.27°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature15.0°C (59.0°F)6.1°C (42.98°F)-2.0°C (28.4°F)
Avg Temperature10.0°C (50.0°F)2.68°C (36.82°F)-5.0°C (23.0°F)
Min Temperature3.0°C (37.4°F)-2.81°C (26.94°F)-8.0°C (17.6°F)
Dew PointMaxAverageMin
Dew Point4.0°C (39.2°F)-3.65°C (25.43°F)-12.0°C (10.4°F)
PrecipitationMaxAverageMinSum
Precipitation23.2mm | 0.91in2.06mm | 0.08in0.0mm | 0in63.9mm | 2.52in
Snowdepth19.7mm | 0.78in1.37mm | 0.05in0.0mm | 0in42.50000000000001mm | 1.67in
WindMaxAverageMin
Wind41.0kmh | 25.48mph13.65kmh | 8.48mph5.0kmh | 3.11mph
Gust Wind54.0kmh | 33.55mph20.71kmh | 12.87mph10.0kmh | 6.21mph
Sea Level PressureMaxAverageMin
Sea Level Pressure23.2mb2.06mb0.0mb
Rapid City

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
March° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-03-01-0 | 32.0-7 | 19.46610 | 6.2130.15 | 10210.0 | 0.0
2018-03-025 | 41.0-1 | 30.27013 | 8.0829.91 | 10130.6 | 0.02
2018-03-034 | 39.2-1 | 30.2738 | 4.9729.94 | 10140.0 | 0.0
2018-03-041 | 33.8-2 | 28.48711 | 6.8429.88 | 10120.6 | 0.02
2018-03-05-3 | 26.6-11 | 12.25841 | 25.4830.03 | 10170.1 | 0.0
2018-03-06-4 | 24.8-12 | 10.45534 | 21.1330.36 | 10280.0 | 0.0
2018-03-07-2 | 28.4-9 | 15.8687 | 4.3530.36 | 10280.0 | 0.0
2018-03-083 | 37.4-6 | 21.2598 | 4.9730.03 | 10170.0 | 0.0
2018-03-096 | 42.8-2 | 28.4685 | 3.1129.83 | 10101.0 | 0.04
2018-03-101 | 33.8-5 | 23.07123 | 14.2930.03 | 10171.7 | 0.07
2018-03-110 | 32.0-10 | 14.0517 | 4.3530.47 | 10320.0 | 0.0
2018-03-123 | 37.4-8 | 17.6528 | 4.9730.42 | 10300.0 | 0.0
2018-03-136 | 42.8-6 | 21.2549 | 5.5930.33 | 10270.0 | 0.0
2018-03-1410 | 50.0-3 | 26.65010 | 6.2129.91 | 10130.0 | 0.0
2018-03-156 | 42.81 | 33.87814 | 8.729.71 | 10061.5 | 0.06
2018-03-16-3 | 26.6-4 | 24.8949 | 5.5929.91 | 101323.2 | 0.91
2018-03-171 | 33.8-3 | 26.6889 | 5.5929.97 | 10150.0 | 0.0
2018-03-182 | 35.6-1 | 30.28812 | 7.4629.91 | 10133.8 | 0.15
2018-03-19-0 | 32.0-3 | 26.68618 | 11.1830.15 | 10211.4 | 0.06
2018-03-203 | 37.4-4 | 24.87510 | 6.2130.06 | 10181.2 | 0.05
2018-03-214 | 39.2-2 | 28.4768 | 4.9730.06 | 10180.0 | 0.0
2018-03-225 | 41.00 | 32.08211 | 6.8430.09 | 10191.9 | 0.07
2018-03-239 | 48.24 | 39.28216 | 9.9429.8 | 10094.6 | 0.18
2018-03-247 | 44.6-1 | 30.26615 | 9.3229.91 | 10130.1 | 0.0
2018-03-256 | 42.81 | 33.87315 | 9.3229.85 | 10110.8 | 0.03
2018-03-260 | 32.0-1 | 30.29512 | 7.4630.03 | 101715.0 | 0.59
2018-03-276 | 42.8-3 | 26.66314 | 8.730.06 | 10180.0 | 0.0
2018-03-285 | 41.0-1 | 30.27019 | 11.8129.97 | 10150.5 | 0.02
2018-03-291 | 33.8-2 | 28.4868 | 4.9730.18 | 10223.2 | 0.13
2018-03-306 | 42.8-2 | 28.46815 | 9.3229.97 | 10150.9 | 0.04
2018-03-31-5 | 23.0-9 | 15.86724 | 14.9130.36 | 10281.8 | 0.07

Rapid City 3 Year Historical Weather Data

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