The climate in Rapid City during June can be summarized as mild and reasonably dry.
June is in the summer in Rapid City and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 23°C (74°F), whilst at night 10°C (50°F) is normal.
Daytime temperature | 23.4°C 74°F |
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Nightly temperature | 9.9°C 49.7°F |
Average temperature | 16.6°C 61.9°F |
Daily sunshine | 10.2 hrs |
Avg rainfall | 76 mm 3 ins |
Rainy days | 11 days |
Sea temperature | 8.2°C 46.8°F |
Humidity | 71% |
Windspeed | 13.3kph 8 mph |
On average June is the 3rd wettest month of the year in Rapid City with around 76mm 3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.2 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Rapid City in June 2025.
Hottest month: | July | 25.9°C 78.6°F |
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Driest month: | February | 33mm 1.3ins |
Sunniest month: | July | 10.7hrs |
Coldest month: | January | -3.6°C 25.5°F |
Wettest month: | September | 94mm 3.7ins |