Seattle
Next 24 hours
Local time: 17:10 PST
Sunrise: 07:50
Sunset: 16:18
Thursday
21:00
4°C 39°F
Friday
00:00
3°C 37°F
03:00
3°C 37°F
06:00
4°C 39°F
09:00
5°C 41°F
12:00
6°C 43°F
15:00
7°C 45°F
18:00
6°C 43°F

Seattle: Annual Weather Averages

July is the hottest month in Seattle with an average temperature of 18°C (64°F) and the coldest is January at 5°C (41°F) with the most daily sunshine hours at 10 in July. The wettest month is December with an average of 150mm of rain. The best month to swim in the sea is in July when the average sea temperature is 14°C (57°F).

Average Temperature: Seattle

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5 7 8 10 13 16 18 18 16 12 8 5
°F 41 45 46 50 55 61 64 64 61 54 46 41

Average High/Low Temperature: Seattle

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High °C 7 10 12 14 18 21 23 23 20 16 11 8
High °F 45 50 54 57 64 70 73 73 68 61 52 46
Low °C 2 3 3 5 8 11 13 13 11 8 5 2
Low °F 36 37 37 41 46 52 55 55 52 46 41 36

Average Rainfall: Seattle

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 147 104 98 70 53 48 24 34 51 90 145 150
Days 18 15 16 14 11 9 5 6 9 13 18 19

Average Daily Sunshine Hours: Seattle

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hours 2 4 5 7 8 9 10 9 7 5 2 2

Average Sea Temperature: Seattle

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8 8 8 10 12 13 14 14 13 11 9 8
°F 46 46 46 50 54 55 57 57 55 52 48 46

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