Sequim, WA

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

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

Year-round temperatures (°F)

30° 40° 50° 60° 70° 80° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Sequim has an annual average temperature of 48.9°F with about 16.9 inches of precipitation per year and 1.4 inches of snow. The warmest month is August (average high 70.4°F), and the coldest is December (average low 31.8°F). November is typically the wettest month (2.64 in) and July the driest (0.51 in). Snow typically falls from December through December.

Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
22°F
warmest to coldest month
Heating need
5,811
Cooling need
0

Best time to visit Sequim

Full guide →

Climate change signal

All-time records →

116 of 366 (31.7%) of Sequim'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
91
1990s
68
2000s
67
2010s
85
2020s
55

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 46.2°F 32.3°F 39.2°F 2.18 in 16
February 47.8°F 32.1°F 39.9°F 1.39 in 14
March 51.3°F 34.5°F 42.9°F 1.49 in 15
April 55.8°F 37.9°F 46.8°F 1.23 in 12
May 61.5°F 44.2°F 52.9°F 1.16 in 11
June 65.4°F 48.8°F 57.1°F 0.94 in 9
July 70.0°F 51.5°F 60.8°F 0.51 in 5
August 70.4°F 51.1°F 60.7°F 0.56 in 5
September 65.9°F 46.2°F 56.0°F 0.87 in 9
October 57.5°F 39.9°F 48.7°F 1.63 in 13
November 50.4°F 34.6°F 42.5°F 2.64 in 17
December 45.9°F 31.8°F 38.8°F 2.25 in 1.4 in 17

Climate twins of Sequim

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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