Deer Park, WA

Climate overview — based on NOAA 1991-2020 normals from DEER PARK AP, WA US.

Dsb Mediterranean continental (warm summer) 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

Deer Park has an annual average temperature of 45.6°F with about 22.5 inches of precipitation per year. The warmest month is July (average high 84.2°F), and the coldest is January (average low 21.1°F). December is typically the wettest month (3.06 in) and July the driest (0.61 in).

Annual swing
39.1°F
warmest to coldest month
Heating need
7,056
Cooling need
54

Best time to visit Deer Park

Full guide →

Climate change signal

All-time records →

191 of 366 (52.2%) of Deer Park'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.

1990s
11
2000s
118
2010s
118
2020s
119

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 33.9°F 21.1°F 27.5°F 2.89 in 15
February 38.8°F 21.6°F 30.2°F 1.63 in 11
March 48.5°F 26.6°F 37.6°F 2.27 in 14
April 57.5°F 31.9°F 44.7°F 1.91 in 11
May 67.4°F 39.2°F 53.3°F 1.92 in 11
June 73.1°F 44.0°F 58.6°F 1.91 in 10
July 84.2°F 48.4°F 66.3°F 0.61 in 4
August 84.2°F 46.8°F 65.5°F 0.73 in 4
September 74.0°F 39.9°F 57.0°F 0.82 in 6
October 57.5°F 31.7°F 44.6°F 2.00 in 10
November 41.9°F 26.4°F 34.1°F 2.77 in 14
December 33.1°F 21.3°F 27.2°F 3.06 in 15

Climate twins of Deer Park

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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