Powell, WY

Climate overview — based on NOAA 1991-2020 normals from POWELL FLD STN, WY US.

BWk Desert (cold) climate 6a USDA hardiness Zone 6a

Year-round temperatures (°F)

20° 40° 60° 80° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Powell has an annual average temperature of 43.2°F with about 6.7 inches of precipitation per year and 11.2 inches of snow. The warmest month is July (average high 85.2°F), and the coldest is January (average low 6.1°F). June is typically the wettest month (1.33 in) and December the driest (0.10 in). Snow typically falls from October through April.

Annual swing
50°F
warmest to coldest month
Heating need
7,998
Cooling need
165

Best time to visit Powell

Full guide →

Climate change signal

All-time records →

129 of 366 (35.2%) of Powell's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1980s
81
1990s
52
2000s
87
2010s
32
2020s
114

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 31.5°F 6.1°F 18.8°F 0.18 in 2.6 in 3
February 35.9°F 10.1°F 23.0°F 0.18 in 1.8 in 3
March 48.3°F 19.6°F 33.9°F 0.26 in 1.7 in 3
April 56.9°F 28.4°F 42.6°F 0.57 in 0.8 in 6
May 65.9°F 39.6°F 52.8°F 1.22 in 0.1 in 9
June 76.0°F 47.1°F 61.6°F 1.33 in 8
July 85.2°F 52.4°F 68.8°F 0.77 in 6
August 83.7°F 49.7°F 66.7°F 0.42 in 5
September 73.0°F 40.8°F 56.9°F 0.76 in 5
October 57.6°F 29.2°F 43.4°F 0.70 in 1.1 in 5
November 43.1°F 17.0°F 30.0°F 0.21 in 1.6 in 3
December 32.6°F 8.2°F 20.4°F 0.10 in 1.5 in 3

Climate twins of Powell

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

Compare Powell to another city