Bellingham (WA) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Bellingham.

Climate overview of Bellingham

The climate in Bellingham, Washington State, United States of America, is marked by large temperature swings across the seasons, ranging from 24°C (75°F) in July to 7°C (45°F) in December.

The city receives considerable rain/snowfall, with around 1079 mm (42 in) annually. November is the wettest month. It has a distinct dry season from July to August, with warm summers and cold winters. Sunshine peaks in July, when the city sees around 9.4 hours of sunshine per day.

Bellingham Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Bellingham - and find the best time to visit.

Monthly Temperature in Bellingham

In Bellingham, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 24°C (75°F) in July to a chilly 7°C (45°F) in the coolest month, December.

Nights vary from 13°C (55°F) in July to around 1°C (34°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Bellingham

Bellingham experiences significant rain/snowfall throughout the year, averaging 1079 mm (42 in) of precipitation annually. The climate in Bellingham shows significant variation throughout the year. Expect heavy rainfall in November, the wettest month, with an average of 170 mm (6.7 in) of precipitation over 20 rainy days.

In contrast, the driest month July offers drier and sunnier days, with around 21 mm (0.8 in) 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 Hours in Bellingham

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

Best Time to Visit Bellingham

Conditions in Bellingham are generally most comfortable in June, July, August and September. They are typically least comfortable in January, February, March, November and December.

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 July to August, with warm summers and cold winters

Frequently asked questions about the climate in Bellingham

What is the best time to visit Bellingham?

June, July, August and September typically offer the most optimal weather in Bellingham. In contrast, January, February, March, November and December tend to have less optimal conditions. Bellingham has a distinct dry season from July to August, with warm summers and cold winters.

What temperatures can I expect in Bellingham?

Daytime highs range from 7°C (45°F) in December to 24°C (75°F) in July. Nighttime lows range from 1°C (34°F) to 13°C (55°F). Temperatures vary considerably through the year.

How much rain does Bellingham get?

Annual rainfall is around 1079 mm (42 in). November is the wettest month with 170 mm (6.7 in), while July is the driest with 21 mm (0.8 in).

How sunny is Bellingham?

Bellingham 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.

Bellingham 3-Day Forecast

Bellingham on the map

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