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Williston weather in May 2025
Expect 20°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Williston in May. Check more long-term weather averages for Williston in May before you book your next holiday to North Dakota in 2025/2026.
- 2020°C max day temperature
- 10 hours of sunshine per day
- 1010 days with some rainfall
- 66°C min night temperature
- 1515 hours of daylight per day
- 0No heat & humidity
- 4949 mm of monthly rainfall
- 66 (High) UV index
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Recommended for North Dakota
The May weather guide for North Dakota (Williston) 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 Williston in May?
Daytime temperatures usually reach 20°C in Williston in May, falling to 6°C at night.
How sunny is it in Williston in May?
There are normally 10 hours of bright sunshine each day in Williston in May - that's 62% of daylight hours.
Does it rain in Williston in May?
There are usually 10 days with some rain in Williston in May and the average monthly rainfall is 49mm.
Williston May sunrise & sunset times
Browse the sunrise and sunset times for Williston in May 2025. Select a month to view Williston sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Thursday, 1st May 2025 | 05:35 | 20:09 |
Friday, 16th May 2025 | 05:13 | 20:29 |
Saturday, 31st May 2025 | 04:59 | 20:46 |
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