Port Townsend, WA

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

Csb Warm-summer Mediterranean climate 9a USDA hardiness Zone 9a

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

Port Townsend has an annual average temperature of 51.9°F with about 19.1 inches of precipitation per year and 0.6 inches of snow. The warmest month is August (average high 73.1°F), and the coldest is February (average low 38.3°F). December is typically the wettest month (2.58 in) and August the driest (0.54 in). Snow typically falls from February through December.

Pleasant months
4 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
21.5°F
warmest to coldest month
Heating need
4,731
Cooling need
0

Best time to visit Port Townsend

Full guide →

Climate change signal

All-time records →

0 of 366 (0%) of Port Townsend'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.

1890s
15
1900s
26
1910s
26
1920s
14
1930s
35
1940s
37
1950s
44
1960s
45
1970s
23
1980s
44
1990s
12
2000s
45

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 46.4°F 38.4°F 42.4°F 2.24 in 16
February 48.6°F 38.3°F 43.4°F 1.61 in 0.2 in 12
March 52.1°F 40.3°F 46.2°F 1.85 in 15
April 57.5°F 43.2°F 50.4°F 1.53 in 13
May 63.1°F 47.2°F 55.2°F 1.52 in 11
June 67.9°F 51.0°F 59.4°F 1.37 in 9
July 72.6°F 53.0°F 62.8°F 0.73 in 6
August 73.1°F 53.5°F 63.3°F 0.54 in 6
September 68.0°F 51.0°F 59.5°F 1.10 in 7
October 58.2°F 46.3°F 52.2°F 1.64 in 13
November 50.1°F 41.3°F 45.7°F 2.43 in 17
December 45.3°F 38.4°F 41.8°F 2.58 in 0.4 in 16

Climate twins of Port Townsend

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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