Arlington (WA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Arlington.
Climate overview of Arlington
Temperatures in Arlington, Washington State, United States of America, vary greatly throughout the year. August is the hottest month at 24°C (75°F), while December is the coldest at 7°C (45°F).
The city receives considerable rain/snowfall, with around 1386 mm (55 in) annually. November is the wettest month. It has distinct dry (July to August) and wet (November to January) seasons, with warm summers and cold winters. The most sunshine falls in July, with an average of 9.4 hours of daily sunshine.
Arlington Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Arlington - and find the best time to visit.
Monthly Temperature in Arlington
The climate in Arlington is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 24°C (75°F) in August to a chilly 7°C (45°F) in the coolest month, December.
Nights vary from 11°C (52°F) in August to around 0°C (32°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Arlington
Arlington has a notably wet climate with abundant precipitation, recording 1386 mm (55 in) of rain/snowfall per year. The climate in Arlington shows significant variation throughout the year. Expect heavy rainfall in November, the wettest month, with an average of 199 mm (7.8 in) of precipitation over 25 rainy days.
In contrast, the driest month July offers drier and sunnier days, with around 27 mm (1.1 in) of rainfall over 8 rainy days. For more details, please visit our Arlington 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 Arlington
For those who appreciate different seasons, Arlington serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.4 hours of sunshine daily, and embrace the darker days in November, offering only 2.0 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Arlington
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
- Seasonal pattern: Distinct dry (July to August) and wet (November to January) seasons, with warm summers and cold winters
- Coldest conditions: December, with freezing nights around 0°C (32°F).
Frequently asked questions about the climate in Arlington
What is the best time to visit Arlington?
June, July, August and September typically offer the most optimal weather in Arlington. In contrast, January, February, March, November and December tend to have less optimal conditions. Arlington has distinct dry (July to August) and wet (November to January) seasons, with warm summers and cold winters.
What temperatures can I expect in Arlington?
Daytime highs range from 7°C (45°F) in December to 24°C (75°F) in August. Nighttime lows range from 0°C (32°F) to 11°C (52°F). Temperatures vary considerably through the year.
How much rain does Arlington get?
Annual rainfall is around 1386 mm (55 in). November is the wettest month with 199 mm (7.8 in), while July is the driest with 27 mm (1.1 in).
How sunny is Arlington?
Arlington receives around 1,887 hours of sunshine per year. July is the sunniest month with 281 hours, while November is the cloudiest with just 61 hours.
Arlington 3-Day Forecast
Arlington on the map
Arlington is highlighted - select any city to see its climate.
Popular this month
Where to go in September - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
The 10 most alternative cities in the United States
Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes
A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States
Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.