This location is classified as Dfa by Köppen and Geiger. May is in the spring in Rapid City and is typically the 5th warmest month of the year. Complete climate information for Rapid City, South Dakota. In Rapid City, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rapid City are June, September and August. World Data Center for Meteorology. Humidity The average relative humidity in Rapid City is 62.2%. South Dakota, the 17th largest state in the nation, covers so much area that it has several different geographic areas, each with its own weather pattern. All Year Climate & Weather Averages in Rapid City. Mean Temp: 48 °F. The average high-temperature, in March, in Rapid City, South Dakota, is 47.8°F (8.8°C), while the average low-temperature is 22.8°F (-5.1°C). In July, the warmest month, the average day time temperature rises to 85.5°F. Additional information. Rapid City Relative Humidity (Morning) Rapid City Relative Humidity (Afternoon) 72%: 51% Rapid City climate summary The Rapid City lies on 990m above sea level In Rapid City, the climate is cold and temperate. Compare two cities that interest you. There is significant rainfall throughout the year in Rapid City. Station Data. Rapid City records an average of 9 thunderstorms days … About 447 mm | 17.6 inch of precipitation falls annually. the rapid city airport sd climate normals for today normal record year maximum temperature (f) 39 68 1948 minimum temperature (f) 15 -6 2006 sunrise and sunset december 3 2020.....sunrise 710 am mst sunset 415 pm mst december 4 2020.....sunrise 711 am mst sunset 414 pm mst - … Wind: 10 mph. Rapid City South Dakota Annual Wind Speed Average Data *Data was retrieved using CLIMOD* Click on the link below to get excel data. The average relative humidity in March in Rapid City is 63.8% . Know what's coming with AccuWeather's extended daily forecasts for Rapid City, SD. Natural … In Rapid City, the climate is cold and temperate. Rapid City Weather Forecast Office 300 East Signal Drive Rapid City, SD 57701-3800 Tel: (605) 341-7531 Ask Questions/Webmaster Page last modified: 30-Apr-2018 7:38 PM The climate in Rapid City during May can be summarized as mild and reasonably dry. Weather conditions with updates on temperature, humidity, wind speed, snow, pressure, etc. There is significant rainfall throughout the year in Rapid City. In Rapid City, South Dakota, the average low-temperature is 22.1°F (-5.5°C). For reference, the year's highest daily chance of a wet day is 37% on June 5, and its lowest chance is 3% on January 16. This location is classified as Dfa by Köppen and Geiger. What is the average humidity in March in Rapid City? The lowest monthly average temperature in Rapid City for December is 24 degrees; The most monthly precipitation in Rapid City occurs in October with 36.4 inches; The air quality index in Rapid City is 12% better than the national average; The pollution index in Rapid City is 61% better than the national average Check average temperature, sunshine & rainfall plus more to Rapid City, South Dakota CityRating.com now offers an average city relative humidity chart that displays the annual and monthly humidity for dozens of cities. The tables give daily averages along with highest and lowest relative humidity levels. high : Average high in ºF - Av.low : Average low in ºF - Av. : Average precipitation in inch - Days precip. Average day temperature . At one place, Rapid City, humidity data are for 8 am and 5 pm. Rapid City Weather averages for holidays in 2021/2022. 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