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Keystone weather in March 2025
Expect 7°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Keystone in March. Check more long-term weather averages for Keystone in March before you book your next holiday to South Dakota in 2025/2026.
- 77°C max day temperature
- 8 hours of sunshine per day
- 99 days with some rainfall
- -7-7°C min night temperature
- 1212 hours of daylight per day
- 0No heat & humidity
- 2323 mm of monthly rainfall
- 44 (Moderate) UV index
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Keystone by month
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Recommended for South Dakota
The March 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 cold is it in Keystone in March?
Daytime temperatures usually reach 7°C in Keystone in March, falling to -7°C at night.
How sunny is it in Keystone in March?
There are normally 8 hours of bright sunshine each day in Keystone in March - that's 63% of daylight hours.
Does it rain in Keystone in March?
There are usually 9 days with some rain in Keystone in March and the average monthly rainfall is 23mm. Rain may fall as snow in this month.
Keystone March sunrise & sunset times
Browse the sunrise and sunset times for Keystone in March 2025. Select a month to view Keystone sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Saturday, 1st March 2025 | 06:30 | 17:43 |
Sunday, 16th March 2025 | 06:03 | 18:02 |
Monday, 31st March 2025 | 05:36 | 18:20 |
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