Pullman, WA

Climate overview — based on NOAA 1991-2020 normals from PULLMAN 2 NW, WA US.

Dsb Mediterranean continental (warm summer) climate 8a USDA hardiness Zone 8a

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

Pullman has an annual average temperature of 48.2°F with about 20.4 inches of precipitation per year and 32.7 inches of snow. The warmest month is August (average high 85.3°F), and the coldest is December (average low 25.1°F). December is typically the wettest month (2.77 in) and July the driest (0.44 in). Snow typically falls from November through April.

Annual swing
36.7°F
warmest to coldest month
Heating need
6,183
Cooling need
147

Best time to visit Pullman

Full guide →

Climate change signal

All-time records →

85 of 366 (23.2%) of Pullman'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.

1940s
42
1950s
24
1960s
37
1970s
24
1980s
46
1990s
41
2000s
51
2010s
50
2020s
51

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 37.7°F 25.6°F 31.6°F 2.67 in 9.6 in 14
February 42.0°F 27.0°F 34.5°F 1.94 in 4.8 in 12
March 49.5°F 31.1°F 40.3°F 2.05 in 2.5 in 12
April 57.1°F 35.4°F 46.3°F 1.96 in 0.7 in 11
May 66.4°F 41.9°F 54.2°F 1.81 in 0.1 in 10
June 72.6°F 46.4°F 59.5°F 1.22 in 8
July 84.1°F 50.3°F 67.2°F 0.44 in 4
August 85.3°F 50.2°F 67.7°F 0.48 in 4
September 75.8°F 44.3°F 60.0°F 0.65 in 5
October 60.7°F 36.3°F 48.5°F 1.80 in 0.1 in 9
November 45.5°F 30.6°F 38.0°F 2.62 in 4.6 in 14
December 36.9°F 25.1°F 31.0°F 2.77 in 10.3 in 14

Climate twins of Pullman

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

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