Weather Score #

See best time to visit

Seattle

Details

Best months

July 58%August 57%September 36%

Months to avoid

February 6%December 6%January 7%

Heat Seeker Score

Heat Seeker Score is a composite score designed for those who crave hot, sunny weather with minimal rainfall. It prioritizes high temperatures and abundant sunshine.

Use the detailed page for charts, component scores, and weather inputs behind every monthly ranking.

Yearly weather

Calculations are based on the last 8 years of historical weather data.

Temperatures #

Seattle's temperatures range from a minimum of 34.5°F in February to a maximum of 80.0°F in August
Most months fall within a comfortable temperature range, with July and August approaching the upper limit
There are some months like January, February, and December with discomfort temperatures
Seattle has no months where temperature exceeds discomfort high limit.

Maximum Temperatures

Minimum Temperatures

Maximum/minimum temperature averages are computed by averaging the max/min temperature of each day for a given period.

Conditions #

In Seattle, sun hours peak during the summer months, with July reaching the highest at 10.3 hours, while winter sees significantly lower sun exposure, particularly in December with only 0.9 hours.
Precipitation levels tend to be highest in the winter months as well, with November and December recording 0.31 and 0.32 inches respectively, contrasting sharply with the minimal rainfall in the summer (July having only 0.02 inches).
Overall, Seattle experiences a distinct seasonal divide, characterized by more sun and less rain in the summer, while the winter months are marked by increased precipitation and decreased sunlight.

Sunny Weather

Period	Seattle
Jan	1.5 hours/day
Feb	1.4 hours/day
Mar	2.3 hours/day
Apr	3.2 hours/day
May	5.4 hours/day
Jun	6.5 hours/day
Jul	9.8 hours/day
Aug	8.7 hours/day
Sep	5.6 hours/day
Oct	4.2 hours/day
Nov	1.8 hours/day
Dec	1.3 hours/day
Average	4.3 hours/day

Sun hours are computed from the number of hours of direct sunlight. The length of the day can affect these measurements; for example, northern cities have longer days in summer.

Precipitation Levels

Average amount of precipitation that falls in a form of a rain, snow, sleet or hail.

Wind Speed

Humidity

Daylight Hours #

In Seattle, the earliest sunrise occurs in June at 05:12, while the latest sunrise is in January at 07:50, highlighting a significant shift in daylight hours throughout the year.
Conversely, the sunset times also vary greatly, with the latest sunset occurring in June at 21:07 and the earliest in December at 16:20, resulting in the longest day length of 15 hours and 55 minutes in June compared to the shortest day length of only 8 hours and 29 minutes in December.
This pattern reflects the pronounced seasonal changes in daylight that characterize Seattle's climate, with summer days being notably long, while winter days are considerably shorter, impacting daily activities and lifestyle.

Sunrise Time

Sunrise times are output in the local timezone of each place.

Sunset Time

Sunset times are output in the local timezone of each place.

Useful Day Length

Discards daylight hours before 7 AM. In places that are located to the west of the timezone, the sun rises and sets later compared to the cities that are located to the east. This means that the useful day length is longer in the cities located to the west of the time zone.

Share comparison

Was this page helpful?

Compare with something?

Seattle06:37

- -

Your location seems to be near Columbus, would you like to add it to comparison?

	SeattleUSWashington, United States
Today Sat Oct 10
Sun Oct 11
Mon Oct 12
Tue Oct 13
Wed Oct 14
Thu Oct 15
Fri Oct 16

Weather in Seattle

- -

Daily Forecast