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Bellingham (WA) Weather and Climate: A Comprehensive Guide

The climate in Bellingham is marked by big temperature swings throughout the year. Temperatures range from warm during the warmest months to cold in the cooler months. It is also known for its large amounts of rain/snowfall. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

In Bellingham, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 24°C in July to a chilly 7°C in the coolest month, December.

Nights are cooler, with lows often dropping to around 1°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Bellingham experiences significant rain/snowfall throughout the year, averaging 1079 mm of precipitation annually. The climate in Bellingham shows significant variation throughout the year. Expect heavy rainfall in November, with an average of 170 mm of precipitation over 20 rainy days.

In contrast, July offers drier and sunnier days, with around 21 mm of rainfall over 6 rainy days. For more details, please visit our Bellingham Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

For those who appreciate different seasons, Bellingham 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

Forecast for Bellingham (WA)

Sat   Dec 21
15°C | 7°C
S 7 m/s
7.1 mm
broken clouds and rain

broken clouds and rain

Sun   Dec 22
11°C | 6°C
SE 5 m/s
7.9 mm
overcast and rain

overcast and rain

Mon   Dec 23
10°C | 7°C
NE 3 m/s
2.5 mm
partly cloudy and small chance of slight rain

partly cloudy and small chance of slight rain

The best time of year to visit Bellingham 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 is the warmest month in Bellingham?
    July has an average maximum temperature of 24°C and is the warmest month of the year.
  • Which is the coldest month in Bellingham?
    The coldest month is December with an average maximum temperature of 7°C.
  • Which is the wettest month in Bellingham?
    November tops the wettest month list with 170 mm of rainfall.
  • Which is the driest month in Bellingham?
    July is the driest month with 21 mm of precipitation.
  • Which is the sunniest month in Bellingham?
    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.