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Lewistown weather in May 2025
Expect 17°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Lewistown in May. Check more long-term weather averages for Lewistown in May before you book your next holiday to Montana in 2025/2026.
- 1717°C max day temperature
- 10 hours of sunshine per day
- 1111 days with some rainfall
- 33°C min night temperature
- 1515 hours of daylight per day
- 0No heat & humidity
- 8282 mm of monthly rainfall
- 77 (High) UV index
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The May weather guide for Montana (Lewistown) 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 warm is it in Lewistown in May?
Daytime temperatures usually reach 17°C in Lewistown in May, falling to 3°C at night.
How sunny is it in Lewistown in May?
There are normally 10 hours of bright sunshine each day in Lewistown in May - that's 64% of daylight hours.
Does it rain in Lewistown in May?
There are usually 11 days with some rain in Lewistown in May and the average monthly rainfall is 82mm.
Lewistown May sunrise & sunset times
Browse the sunrise and sunset times for Lewistown in May 2025. Select a month to view Lewistown sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Thursday, 1st May 2025 | 05:01 | 19:29 |
Friday, 16th May 2025 | 04:41 | 19:49 |
Saturday, 31st May 2025 | 04:27 | 20:05 |
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