Harrington, WA

Climate overview — based on NOAA 1991-2020 normals from HARRINGTON, WA US.

BSk Semi-arid (cold) climate 7b USDA hardiness Zone 7b

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

Harrington has an annual average temperature of 47.2°F with about 12.6 inches of precipitation per year and 23.5 inches of snow. The warmest month is July (average high 85.4°F), and the coldest is December (average low 21.8°F). December is typically the wettest month (1.79 in) and August the driest (0.32 in). Snow typically falls from November through April.

Annual swing
39.1°F
warmest to coldest month
Heating need
6,537
Cooling need
117

Best time to visit Harrington

Full guide →

Climate change signal

All-time records →

50 of 366 (13.7%) of Harrington'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.

1960s
44
1970s
58
1980s
61
1990s
62
2000s
64
2010s
73
2020s
4

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 34.9°F 22.9°F 28.9°F 1.59 in 7.8 in 10
February 40.6°F 24.7°F 32.6°F 1.05 in 3.3 in 8
March 51.0°F 29.3°F 40.2°F 1.38 in 1.4 in 10
April 59.8°F 32.8°F 46.3°F 0.97 in 0.2 in 7
May 68.9°F 39.5°F 54.2°F 1.13 in 7
June 75.4°F 44.1°F 59.8°F 0.91 in 6
July 85.4°F 48.8°F 67.1°F 0.37 in 3
August 85.1°F 48.6°F 66.8°F 0.32 in 3
September 75.9°F 42.2°F 59.1°F 0.43 in 3
October 60.3°F 33.8°F 47.1°F 1.16 in 0.1 in 7
November 44.2°F 27.7°F 35.9°F 1.54 in 3.4 in 11
December 34.3°F 21.8°F 28.0°F 1.79 in 7.3 in 10

Climate twins of Harrington

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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