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Arlington (WA) Weather and Climate: A Comprehensive Guide

Arlington experiences great temperature shifts. The city's weather can transition from warm days to cold weather. It is also known for its large amounts of rain/snowfall. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

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 in August to a chilly 7°C in the coolest month, December.

Nights are cooler, with lows often dropping to around 0°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Arlington has a notably wet climate with abundant precipitation, recording 1386 mm of rain/snowfall per year. The climate in Arlington shows significant variation throughout the year. Expect heavy rainfall in November, with an average of 199 mm of precipitation over 25 rainy days.

In contrast, July offers drier and sunnier days, with around 27 mm 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

Sunshine over the year

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

Data from: Bellingham, the United States of America (68 KM, 42 Miles).

Daily hours of sunshine

Data from: Bellingham, the United States of America (68 KM, 42 Miles).

Forecast for Arlington (WA)

Sat   Dec 21
12°C | 5°C
S 7 m/s
8.1 mm
broken clouds and rain

broken clouds and rain

Sun   Dec 22
11°C | 6°C
E 4 m/s
4.1 mm
overcast and rain

overcast and rain

Mon   Dec 23
13°C | 7°C
E 4 m/s
5.6 mm
broken clouds and  chance of rain

broken clouds and chance of rain

The best time of year to visit Arlington in the United States of America

During the months of June, July, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which months have the greatest rainfall in Arlington?
    Most rainfall (rainy season) is seen in January, March, November and December.
  • Which is the warmest month in Arlington?
    August has an average maximum temperature of 24°C and is the warmest month of the year.
  • Which is the coldest month in Arlington?
    The coldest month is December with an average maximum temperature of 7°C.
  • Which is the wettest month in Arlington?
    November tops the wettest month list with 199 mm of rainfall.
  • Which is the driest month in Arlington?
    July is the driest month with 27 mm of precipitation.
  • Which is the sunniest month in Arlington?
    July is the sunniest month with an average of 281 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.