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St George weather in May 2026
Expect daytime maximum temperatures of 30°C in St George, Utah in May based on long-term weather averages. There are 12 hours of sunshine per day on average.
- 30°C max day temperature
30 - 12 hours of sunshine per day
- 3 days with some rainfall
3 - 12°C min night temperature
12 - 14 hours of daylight per day
14 - Low heat & humidity
L - 11 mm of monthly rainfall
11 - 9 (Very High) UV index
9
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Recommended for Utah
The May weather guide for Utah (St George) 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 St George in May?
Daytime temperatures usually reach 30°C in St George in May with low heat and humidity, falling to 12°C at night.
How sunny is it in St George in May?
There are normally 12 hours of bright sunshine each day in St George in May - that's 83% of daylight hours.
Does it ever rain in St George in May?
There are usually 3 days with some rain in St George in May and the average monthly rainfall is 11mm.
St George May sunrise & sunset times
Browse the sunrise and sunset times for St George in May 2026. Select a month to view St George sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st May 2026 | 05:40 | 19:24 |
| Saturday, 16th May 2026 | 05:25 | 19:37 |
| Sunday, 31st May 2026 | 05:16 | 19:48 |
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