Port Townsend climate guide

Temperature in Port Townsend (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
8°C maximum daytime temperature in January in Port Townsend8
10°C maximum daytime temperature in February in Port Townsend10
11°C maximum daytime temperature in March in Port Townsend11
14°C maximum daytime temperature in April in Port Townsend14
17°C maximum daytime temperature in May in Port Townsend17
20°C maximum daytime temperature in June in Port Townsend20
22°C maximum daytime temperature in July in Port Townsend22
22°C maximum daytime temperature in August in Port Townsend22
20°C maximum daytime temperature in September in Port Townsend20
15°C maximum daytime temperature in October in Port Townsend15
10°C maximum daytime temperature in November in Port Townsend10
8°C maximum daytime temperature in December in Port Townsend8
Min temperature (night-time)
2°C minimum night-time temperature in January in Port Townsend2
3°C minimum night-time temperature in February in Port Townsend3
4°C minimum night-time temperature in March in Port Townsend4
5°C minimum night-time temperature in April in Port Townsend5
7°C minimum night-time temperature in May in Port Townsend7
10°C minimum night-time temperature in June in Port Townsend10
11°C minimum night-time temperature in July in Port Townsend11
11°C minimum night-time temperature in August in Port Townsend11
10°C minimum night-time temperature in September in Port Townsend10
7°C minimum night-time temperature in October in Port Townsend7
5°C minimum night-time temperature in November in Port Townsend5
3°C minimum night-time temperature in December in Port Townsend3
Sea temperature
8°C sea temperature in January in Port Townsend8
7°C sea temperature in February in Port Townsend7
8°C sea temperature in March in Port Townsend8
9°C sea temperature in April in Port Townsend9
10°C sea temperature in May in Port Townsend10
11°C sea temperature in June in Port Townsend11
12°C sea temperature in July in Port Townsend12
12°C sea temperature in August in Port Townsend12
12°C sea temperature in September in Port Townsend12
10°C sea temperature in October in Port Townsend10
9°C sea temperature in November in Port Townsend9
8°C sea temperature in December in Port Townsend8

Sunshine & Daylight in Port Townsend

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
9 hours of daylight per day in January in Port Townsend9
10 hours of daylight per day in February in Port Townsend10
12 hours of daylight per day in March in Port Townsend12
14 hours of daylight per day in April in Port Townsend14
15 hours of daylight per day in May in Port Townsend15
16 hours of daylight per day in June in Port Townsend16
16 hours of daylight per day in July in Port Townsend16
14 hours of daylight per day in August in Port Townsend14
13 hours of daylight per day in September in Port Townsend13
11 hours of daylight per day in October in Port Townsend11
9 hours of daylight per day in November in Port Townsend9
8 hours of daylight per day in December in Port Townsend8

Rainfall in Port Townsend

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
18 days with some rainfall in January in Port Townsend18
16 days with some rainfall in February in Port Townsend16
16 days with some rainfall in March in Port Townsend16
13 days with some rainfall in April in Port Townsend13
11 days with some rainfall in May in Port Townsend11
9 days with some rainfall in June in Port Townsend9
5 days with some rainfall in July in Port Townsend5
6 days with some rainfall in August in Port Townsend6
9 days with some rainfall in September in Port Townsend9
14 days with some rainfall in October in Port Townsend14
18 days with some rainfall in November in Port Townsend18
19 days with some rainfall in December in Port Townsend19
Average monthly rainfall (mm)
77 mm monthly rainfall in January in Port Townsend77
54 mm monthly rainfall in February in Port Townsend54
60 mm monthly rainfall in March in Port Townsend60
47 mm monthly rainfall in April in Port Townsend47
42 mm monthly rainfall in May in Port Townsend42
35 mm monthly rainfall in June in Port Townsend35
22 mm monthly rainfall in July in Port Townsend22
24 mm monthly rainfall in August in Port Townsend24
34 mm monthly rainfall in September in Port Townsend34
48 mm monthly rainfall in October in Port Townsend48
82 mm monthly rainfall in November in Port Townsend82
98 mm monthly rainfall in December in Port Townsend98

More climate for Port Townsend

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Port Townsend1
UV (maximum) index 1 (Low) in February in Port Townsend1
UV (maximum) index 3 (Moderate) in March in Port Townsend3
UV (maximum) index 4 (Moderate) in April in Port Townsend4
UV (maximum) index 6 (High) in May in Port Townsend6
UV (maximum) index 7 (High) in June in Port Townsend7
UV (maximum) index 7 (High) in July in Port Townsend7
UV (maximum) index 6 (High) in August in Port Townsend6
UV (maximum) index 5 (Moderate) in September in Port Townsend5
UV (maximum) index 3 (Moderate) in October in Port Townsend3
UV (maximum) index 1 (Low) in November in Port Townsend1
UV (maximum) index 1 (Low) in December in Port Townsend1
Heat & Humidity
No heat & humidity in January in Port Townsend0
No heat & humidity in February in Port Townsend0
No heat & humidity in March in Port Townsend0
No heat & humidity in April in Port Townsend0
No heat & humidity in May in Port Townsend0
No heat & humidity in June in Port Townsend0
No heat & humidity in July in Port Townsend0
No heat & humidity in August in Port Townsend0
No heat & humidity in September in Port Townsend0
No heat & humidity in October in Port Townsend0
No heat & humidity in November in Port Townsend0
No heat & humidity in December in Port Townsend0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The climate guide for Port Townsend, Washington shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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Metric (°C / mm)  |  Imperial (°F / inches)

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