The best months to visit Rapid City and the Black Hills are May through October, when the majority of the attractions are open. Monthly averages Rapid City Longitude: -103.057, Latitude: 44.0453 Average weather Rapid City, SD - 57703. Monthly: 1981-2010 normals Rapid City, SD Monthly Weather. Rapid City (Lakota: Mni Lúzahaŋ Otȟúŋwahe; "Swift Water City") is the second most populous city in South Dakota and the county seat of Pennington County. Rainfall will be near to below normal. There are normally 10 hours of bright sunshine each day in Rapid City in August - that's 74% of daylight hours. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Rapid City area. 2020-2021 Long Range Weather Forecast for Rapid City, SD . In Rapid City, in August, the average high-temperature is 86.4°F (30.2°C), and the average low-temperature is 56.7°F (13.7°C). © 2020 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved. We have updated our Privacy Policy and Cookie Policy. Get the monthly weather forecast for Rapid City, SD, including daily high/low, historical averages, to help you plan ahead. August is in the summer in Rapid City and is typically the 2nd warmest month of the year. Rapid City weather forecast – free weather forecast for Rapid City ViaMichelin offers you the weather for Rapid City today and tomorrow, as well as a 10 day weather outlook. The most pleasant months of the year for Rapid City are June, September and August. Daytime maximum temperatures average around a comfortable 29°C (84°F), whilst at night 13°C (55°F) is normal. How sunny is it in South Dakota in August? Get AccuWeather alerts as they happen with our browser notifications. Average temperatures for August at cities, towns, parks and lakes throughout South Dakota are listed below in degrees Fahrenheit and Celsius. Weather in South Dakota The most pleasant months of the year for South Dakota are June, September and August. In August, in Rapid City, the rain falls for 7.7 days. We will review the data in question. Calendar overview of Months Weather Forecast. Share: Get the Long Range Weather for Your Location ... and early to mid-August. Get the monthly weather forecast for Rapid City, SD, including daily high/low, historical averages, to help you plan ahead. Typically, the Rapid City weather forecast office issues around 300 Severe Thunderstorm and Tornado Warnings per year (shown at left), with the majority coming from late May through August. Rapid City Weather Forecast Office 300 East Signal Drive Rapid City, SD 57701-3800 Tel: (605) 341-7531 Station Data. The climate in Rapid City during May can be summarized as mild and reasonably dry. Average Weather in August in Rapid City South Dakota, United States. Because our weather varies from one community to the next, the averages below are from Rapid City unless otherwise noted. September and October will have below-normal temperatures, with precipitation below normal in the north and above normal in … Rapid City, SD Weather History star_ratehome. Average Weather in August in Rapid City South Dakota, United States. Daytime temperatures usually reach 29°C in Rapid City in August with moderate heat and humidity, falling to 13°C at night. Rapid City people will see temperatures in the 60s today. Africa; North America The climate in Rapid City during August can be summarized as warm and reasonably dry. Rapid City Extended Forecast with high and low temperatures. © 2020 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved. Months with the lowest UV index are January and December (UV index 1). Report Station. The best heated blankets to keep you warm, AccuWeather School: Proving and debunking weather folklore. Rapid City past weather with historical weather conditions for the last 30 days, including history of previous high and low temperatures, humidity, dew point, barometric pressure, wind speed, wind direction, wind gust, and rain fall totals for the Rapid City area and overall Pennington county, South Dakota. Named after Rapid Creek, where the settlement developed, it is in western South Dakota, on the Black Hills' eastern slope. Rapid City Weather and Climate in August Are you planning a holiday with hopefully nice weather in Rapid City in August 2021? What is the temperature in August in Rapid City? At one place, Rapid City, humidity data are for 8 am and 5 pm. 63 ° 30 ° 5. Phoenix picks up first measurable rainfall in nearly 4 months. 29. Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere). 47 ° 29 ° 2. Get AccuWeather alerts as they happen with our browser notifications. In Rapid City, there are 3 comfortable months … Weather conditions with updates on temperature, humidity, wind speed, snow, pressure, etc. 4:46 pm MST sun mon tue wed thu fri sat. Daytime temperatures usually reach 29°C in Sioux Falls, South Dakota in August with moderate heat and humidity, falling to 15°C at night. There are normally 10 hours of bright sunshine each day in Sioux Falls, South Dakota in August - that's 71% of daylight hours. In 2019, our count of 468 was seventh in the country. Average Weather in July in Rapid City South Dakota, United States. 24 F Rapid City Regional Airport Station | Report. Free Long Range Weather Forecast for Rapid City, South Dakota. Does it rain in Rapid City in August? Thank you for reporting this station. Last 2 weeks of weather climate-data.org. How many days does it rain in August in Rapid City? The population was 67,956 as of the 2010 Census.. °F. Rapid City Weather Forecasts. In South Dakota, there are 3 comfortable months with … Be prepared with the most accurate 10-day forecast for Rapid City, SD with highs, lows, chance of precipitation from The Weather Channel and Weather.com Get your telescope: Planets to shine like ‘Christmas star’, AccuWeather 2020 white Christmas watch: Suit up, Santa Claus, Plowing incident leaves man trapped in feet of snow, Dozens of vehicles stuck on snow-covered highway, Podcast: Mischief and mayhem for Christmas week. Get your telescope: Planets to shine like ‘Christmas star’, AccuWeather 2020 white Christmas watch: Suit up, Santa Claus, Plowing incident leaves man trapped in feet of snow, Dozens of vehicles stuck on snow-covered highway, Podcast: Mischief and mayhem for Christmas week. As a result, during most years, we are among the top ten offices in terms of warnings issued. 40 ° 23 ° 30. South Dakota > Rapid City > August. The best heated blankets to keep you warm, AccuWeather School: Proving and debunking weather folklore. 57 ° 23 ° 1. 40 ° 21 ° 3. 57 ° 32 ° 6. Rapid City, SD - Weather forecast from Theweather.com. How sunny is it in Rapid City in August? Chevron right US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service Rapid City, SD 300 East Signal Drive Rapid City, SD 57701-3800 In this table, the Daily number is the average of humidity readings taken every three hours throughout the day.Morning percentages are for 6 am and Afternoon measures are for 3 pm local standard time. Weather Rapid City, South Dakota, USA. While towns in South Dakota, North Dakota, Wyoming and Minnesota make the lists for some of the nation's coldest; not one from the Black Hills is included or close to. Continents Select a continent. To see the best color, make sure you go to Spearfish Canyon in the northern hills, up near Lead and Deadwood.We try to come in the fall every year. 54 ° 21 ° 4. for Rapid City, South Dakota Does it rain in South Dakota in August? 2020-2021 Long Range Weather Forecast for Rapid City, SD . We will review the data in question. South Dakota Interactive Map of Historical Record High and Low Temperatures Weather in Rapid City, South Dakota The most pleasant months of the year for Rapid City are June, September and August. Average Humidity. You can jump to a separate table for each region of the state: Eastern, Central and Western South Dakota. The National and State Parks, as well as many local museums and Crazy Horse Memorial are open year-round. climate-data.org. Here you can find all information about the weather in Rapid City in August: >>Overview: Rapid City Weather and Climate in August We have updated our Privacy Policy and Cookie Policy.