- Kids stay & eat for free at Marriot Bonvoy
- Destinations include Europe, Middle East & Africa
- Valid for up to 2 adults & 2 kids aged up to 12
Riverton weather in August 2025
Expect 86°F daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Riverton in August. Check more long-term weather averages for Riverton in August before you book your next holiday to Wyoming in 2025/2026.
- 8686°F max day temperature
- 10 hours of sunshine per day
- 55 days with some rainfall
- 5050°F min night temperature
- 1414 hours of daylight per day
- MModerate heat & humidity
- 0.50.5 inches of monthly rainfall
- 99 (Very High) UV index
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Recommended for Wyoming
The August weather guide for Wyoming (Riverton) 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 Riverton in August?
Daytime temperatures usually reach 86°F in Riverton in August with moderate heat and humidity, falling to 50°F at night.
How sunny is it in Riverton in August?
There are normally 10 hours of bright sunshine each day in Riverton in August - that's 75% of daylight hours.
Does it rain in Riverton in August?
There are usually 5 days with some rain in Riverton in August and the average monthly rainfall is 0.5 inches.
Riverton August sunrise & sunset times
Browse the sunrise and sunset times for Riverton in August 2025. Select a month to view Riverton sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Friday, 1st August 2025 | 05:05 | 19:34 |
Saturday, 16th August 2025 | 05:21 | 19:14 |
Sunday, 31st August 2025 | 05:37 | 18:49 |
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