Powell (WY) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Powell.
Climate overview of Powell
Powell, Wyoming, United States of America, sees big temperature differences between seasons, with July peaking at 31°C (88°F) and December dropping to -1°C (30°F).
Rain/snowfall is extremely rare, with only 155 mm (6.1 in) falling across the entire year.
Powell Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Powell - and find the best time to visit.
Monthly Temperature in Powell
Visitors to Powell can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a very warm 31°C (88°F) in July, the warmest time of the year, to a very cold -1°C (30°F) during cooler months like December.
At night, you can expect temperatures ranging from 13°C (55°F) in July to around -13°C (9°F) during December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Powell
Powell experiences desert-like conditions in terms of precipitation with almost no rain/snowfall, generally receiving 155 mm (6.1 in) annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, May it receives moderate rainfall, averaging 38 mm (1.5 in) of precipitation, recorded across 11 rainy days. In contrast, the driest month December brings less snowfall, with 2.8 mm (0.1 in) over 3 snowy days. For more details, please visit our Powell Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Powell
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, August and September
- Warmest weather: July and August
- Fewer rainy days: January, February, March, November and December
- Seasonal pattern: Very little rainfall year-round, with very warm summers and very cold winters
- Coldest conditions: December, with freezing nights around -13°C (9°F).
Frequently asked questions about the climate in Powell
What is the best time to visit Powell?
June, August and September typically offer the most optimal weather in Powell. In contrast, January, February and December tend to have less optimal conditions. Powell has very little rainfall year-round, with very warm summers and very cold winters.
What temperatures can I expect in Powell?
Daytime highs range from -1°C (30°F) in December to 31°C (88°F) in July. Nighttime lows range from -13°C (9°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Powell get?
Annual rainfall is around 155 mm (6.1 in). May is the wettest month with 38 mm (1.5 in), while December is the driest with 2.8 mm (0.1 in).
Powell 3-Day Forecast
Powell on the map
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