Bellingham
Washington, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Bellingham, WA

The warm, setting sun casts its yellow rays over the scenic landscape of hills and the sea in this small town in Bellingham, Washington, a colorful sky
The warm, setting sun casts its yellow rays over the scenic landscape of hills and the sea in this small town in Bellingham, Washington, a colorful sky
January, like December, is a frosty winter month in Bellingham, Washington, with average temperature fluctuating between 32.7°F (0.4°C) and 45.7°F (7.6°C). In Bellingham, the average high-temperature in January is almost the same as in December - a still chilly 45.7°F (7.6°C). Weather in January »
February, the last month of the winter, in Bellingham, is another chilly month, with average temperature fluctuating between 33.3°F (0.7°C) and 48.4°F (9.1°C). In February, the average high-temperature is relatively the same as in January - a still chilly 48.4°F (9.1°C). Weather in February »

The first month of the spring, March, is a fresh month in Bellingham, Washington, with average temperature ranging between min 36.3°F (2.4°C) and max 52.2°F (11.2°C). In March, the average high-temperature is essentially the same as in February - a fresh 52.2°F (11.2°C). Weather in March »

April is a moderate spring month in Bellingham, Washington, with average temperature fluctuating between 56.8°F (13.8°C) and 39.9°F (4.4°C). In Bellingham, the average high-temperature in April is practically the same as in March - a moderate 56.8°F (13.8°C). Weather in April »

The last month of the spring, May, is an enjoyable month in Bellingham, Washington, with average temperature ranging between min 45.5°F (7.5°C) and max 62.2°F (16.8°C). In Bellingham, the average high-temperature slightly increases, from a mild 56.8°F (13.8°C) in April, to an enjoyable 62.2°F (16.8°C). Weather in May »

The first month of the summer, June, is also an enjoyable month in Bellingham, Washington, with average temperature varying between 50.4°F (10.2°C) and 66.6°F (19.2°C). In Bellingham, the average high-temperature is practically the same as in May - a still enjoyable 66.6°F (19.2°C). Weather in June »

July in Bellingham, Washington, is an agreeable summer month, with temperature in the range of an average high of 71.2°F (21.8°C) and an average low of 53.4°F (11.9°C). In July, the average high-temperature is essentially the same as in June - a pleasant 71.2°F (21.8°C). Weather in July »

August, the last month of the summer, in Bellingham, is also an agreeable month, with temperature in the range of an average high of 71.8°F (22.1°C) and an average low of 53.1°F (11.7°C). With an average high-temperature of 71.8°F (22.1°C) and an average low-temperature of 53.1°F (11.7°C), August is the warmest month. Weather in August »

The first month of the autumn, September, is also an enjoyable month in Bellingham, Washington, with average temperature ranging between max 66.9°F (19.4°C) and min 47.7°F (8.7°C). In Bellingham, the average high-temperature is almost the same as in August - a comfortable 66.9°F (19.4°C). Weather in September »

October, like September, is another mild autumn month in Bellingham, Washington, with temperature in the range of an average high of 57.9°F (14.4°C) and an average low of 41.5°F (5.3°C). In Bellingham, the average high-temperature marginally drops, from a comfortable 66.9°F (19.4°C) in September, to a mild 57.9°F (14.4°C). Weather in October »

November, the last month of the autumn, in Bellingham, is also a frosty month, with temperature in the range of an average high of 49.6°F (9.8°C) and an average low of 36.7°F (2.6°C). In Bellingham, the average high-temperature slightly decreases, from a mild 57.9°F (14.4°C) in October, to a chilly 49.6°F (9.8°C). Weather in November »

December, the first month of the winter, in Bellingham, is also a frosty month, with average temperature ranging between max 44.2°F (6.8°C) and min 32°F (0°C). With an average high-temperature of 44.2°F (6.8°C) and an average low-temperature of 32°F (0°C), December is the coldest month. Weather in December »

How much does it rain in Bellingham?

In Bellingham, Washington, during the entire year, the rain falls for 163.4 days and collects up to 35.8" (910mm) of precipitation.

When does it snow in Bellingham?

January through March, October through December are months with snowfall in Bellingham.

How much does it snow in Bellingham?

In Bellingham, during the entire year, snow falls for 5.8 days, and aggregates up to 10.4" (264.3mm) of snow.

What is the snowiest month in Bellingham?

The month with the most snowfall in Bellingham is January when snow falls for 1.8 days and typically aggregates up to 3.4" (86.4mm) of snow.

What is the month with the least sunshine in Bellingham?

Months with the least sunshine are January, November and December, with an average of 2h of sunshine.

What are the months with the lowest UV index in Bellingham?

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Bellingham, Washington.

When is the ocean coldest in Bellingham?

February is the month with the coldest seawater, with an average ocean temperature of 44.4°F (6.9°C). Swimming in 44.4°F (6.9°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

When are the longest days in Bellingham?

June has the longest days of the year in Bellingham, with an average of 16.1h of daylight.

When is the highest UV index in Bellingham?

Months with the highest UV index are June and July, with an average maximum UV index of 7.

What is the driest month in Bellingham?

The month with the least rainfall in Bellingham is July when the rain falls for 5.9 days and typically collects 1.2" (30mm) of precipitation.

What month has the most sunshine in Bellingham?

July has the most sunshine of the year, with an average of 9h of sunshine.

What is the warmest month in Bellingham?

August is the warmest month in Bellingham, Washington, with an average high-temperature of 71.8°F (22.1°C) and an average low-temperature of 53.1°F (11.7°C).

What month is the ocean warmest in Bellingham?

The month with the warmest seawater in Bellingham, Washington, is August, with an average ocean temperature of 52.7°F (11.5°C). Swimming in 52.7°F (11.5°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the wettest month in Bellingham?

The month with the most rainfall is November when the rain falls for 19.9 days and typically aggregates up to 5.8" (147.3mm) of precipitation.

What is the coldest month in Bellingham?

With an average high-temperature of 44.2°F (6.8°C) and an average low-temperature of 32°F (0°C), December is the coldest month in Bellingham, Washington.

What is the month with the shortest days in Bellingham?

December has the shortest days of the year in Bellingham, Washington, with an average of 8.4h of daylight.
Average temperature - Bellingham, WA
Average rainfall - Bellingham, WA
Average rainfall days - Bellingham, WA

The month with the highest number of rainy days is November (19.9 days).
The month with the lowest number of rainy days is July (5.9 days).

Average snowfall - Bellingham, WA
Average snowfall days - Bellingham, WA

The month with the highest number of snowfall days is January (1.8 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average sea temperature - Bellingham, WA

Best months for swimming (with the highest average sea temperature) are August and September (52.6°F).
The coldest month (with the lowest average sea temperature) is February (44.5°F).

Average daylight / Average sunshine - Bellingham, WA
Average UV index - Bellingham, WA