Mossyrock, WA

Climate overview — based on NOAA 1991-2020 normals from MAYFIELD PWR PLT, WA US.

Csb Warm-summer Mediterranean climate 8b USDA hardiness Zone 8b

Year-round temperatures (°F)

30° 50° 70° 90° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Mossyrock has an annual average temperature of 51.6°F with about 58.7 inches of precipitation per year and 3.4 inches of snow. The warmest month is July (average high 81.1°F), and the coldest is January (average low 33.1°F). November is typically the wettest month (8.44 in) and July the driest (0.91 in). Snow typically falls from December through February.

Annual swing
27.5°F
warmest to coldest month
Heating need
4,890
Cooling need
81

Best time to visit Mossyrock

Full guide →

Climate change signal

All-time records →

309 of 366 (84.4%) of Mossyrock'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
5
1990s
0
2000s
0
2010s
187
2020s
174

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 45.0°F 33.1°F 39.1°F 8.06 in 1.1 in 20
February 49.2°F 33.5°F 41.3°F 5.78 in 1.3 in 16
March 54.1°F 35.2°F 44.6°F 6.31 in 20
April 60.0°F 38.7°F 49.3°F 5.45 in 18
May 69.1°F 43.2°F 56.1°F 3.81 in 14
June 72.3°F 47.8°F 60.0°F 2.69 in 12
July 81.1°F 51.4°F 66.3°F 0.91 in 6
August 80.9°F 51.9°F 66.4°F 1.30 in 6
September 74.3°F 48.1°F 61.2°F 2.46 in 10
October 61.7°F 42.7°F 52.2°F 5.39 in 16
November 51.0°F 37.5°F 44.3°F 8.44 in 19
December 44.4°F 33.5°F 38.9°F 8.13 in 1.0 in 20

Climate twins of Mossyrock

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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