Tukwila (WA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Tukwila.
Climate overview of Tukwila
Temperatures in Tukwila, Washington State, United States of America, vary greatly throughout the year. July is the hottest month at 25°C (77°F), while December is the coldest at 8°C (46°F).
With around 991 mm (39 in) of annual rain/snowfall, the city has moderate precipitation levels. November is the wettest month and July the driest. It also has a distinct dry season from June to August, with warm summers and cold winters. The sunniest month is July, with 10.4 hours of sunshine per day on average.
Tukwila Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Tukwila - and find the best time to visit.
Monthly Temperature in Tukwila
The climate in Tukwila is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 25°C (77°F) in July to a chilly 8°C (46°F) in the coolest month, December.
Nights vary from 14°C (57°F) in July to around 2°C (36°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Tukwila
Generally, Tukwila receives mid-range precipitation levels, with 991 mm (39 in) annually. The climate in Tukwila shows significant variation throughout the year. Expect high rainfall in November, the wettest month, with an average of 160 mm (6.3 in) of precipitation over 20 rainy days.
In contrast, the driest month July offers drier and sunnier days, with around 14 mm (0.6 in) of rainfall over 4 rainy days. For more details, please visit our Tukwila Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Tukwila
For those who appreciate different seasons, Tukwila serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.4 hours of sunshine daily, and embrace the darker days in December, offering only 1.8 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Tukwila by Month
The relative humidity is high throughout the year in Tukwila.
The city experiences its highest humidity in December, reaching 80%. In July, the humidity drops to its lowest level at 65%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Tukwila
The mean wind speed varies between 4 m/s (8 knots) and 5 m/s (10 knots) throughout the year. It is lowest in February, April, May, June, July, August, September, October, November and December and highest during January and March. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Tukwila
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and September
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: July and August
- Wettest months: January, February, March, October, November and December, when rainfall is highest.
- Seasonal pattern: A distinct dry season from June to August, with warm summers and cold winters
Frequently asked questions about the climate in Tukwila
What is the best time to visit Tukwila?
June, July, August and September typically offer the most optimal weather in Tukwila. In contrast, January, February, March, November and December tend to have less optimal conditions. Tukwila has a distinct dry season from June to August, with warm summers and cold winters.
What temperatures can I expect in Tukwila?
Daytime highs range from 8°C (46°F) in December to 25°C (77°F) in July. Nighttime lows range from 2°C (36°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Tukwila get?
Annual rainfall is around 991 mm (39 in). November is the wettest month with 160 mm (6.3 in), while July is the driest with 14 mm (0.6 in).
How sunny is Tukwila?
Tukwila receives around 2,171 hours of sunshine per year. July is the sunniest month with 312 hours, while December is the cloudiest with just 54 hours. Overall, Tukwila enjoys abundant sunshine.
Tukwila 3-Day Forecast
Tukwila on the map
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