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Keystone weather in June 2025
Expect 25°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Keystone in June. Check more long-term weather averages for Keystone in June before you book your next holiday to South Dakota in 2025/2026.
- 2525°C max day temperature
- 10 hours of sunshine per day
- 1212 days with some rainfall
- 1010°C min night temperature
- 1515 hours of daylight per day
- 0No heat & humidity
- 7777 mm of monthly rainfall
- 99 (Very High) UV index
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Recommended for South Dakota
The June weather guide for South Dakota (Keystone) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Keystone in June?
Daytime temperatures usually reach 25°C in Keystone in June with no heat and humidity, falling to 10°C at night.
How sunny is it in Keystone in June?
There are normally 10 hours of bright sunshine each day in Keystone in June - that's 66% of daylight hours.
Does it rain in Keystone in June?
There are usually 12 days with some rain in Keystone in June and the average monthly rainfall is 77mm.
Keystone June sunrise & sunset times
Browse the sunrise and sunset times for Keystone in June 2025. Select a month to view Keystone sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Sunday, 1st June 2025 | 04:14 | 19:30 |
Sunday, 15th June 2025 | 04:11 | 19:38 |
Monday, 30th June 2025 | 04:15 | 19:40 |
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