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Grand Junction weather in May 2025
Expect 75°F daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Grand Junction in May. Check more long-term weather averages for Grand Junction in May before you book your next holiday to Colorado in 2025/2026.
- 7575°F max day temperature
- 11 hours of sunshine per day
- 66 days with some rainfall
- 4646°F min night temperature
- 1414 hours of daylight per day
- 0No heat & humidity
- 0.90.9 inches of monthly rainfall
- 99 (Very High) UV index
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The May weather guide for Colorado (Grand Junction) 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) | Imperial (°F)
More about the USA
How hot is it in Grand Junction in May?
Daytime temperatures usually reach 75°F in Grand Junction in May, falling to 46°F at night.
How sunny is it in Grand Junction in May?
There are normally 11 hours of bright sunshine each day in Grand Junction in May - that's 74% of daylight hours.
Does it rain in Grand Junction in May?
There are usually 6 days with some rain in Grand Junction in May and the average monthly rainfall is 0.9 inches.
Grand Junction May sunrise & sunset times
Browse the sunrise and sunset times for Grand Junction in May 2025. Select a month to view Grand Junction sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Thursday, 1st May 2025 | 05:16 | 19:08 |
Friday, 16th May 2025 | 05:00 | 19:22 |
Saturday, 31st May 2025 | 04:51 | 19:34 |
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