June weather forecast
Bellingham, WA

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Scenic landscape of hills and the sea in this small town in Bellingham, Washington
Scenic landscape of hills and the sea in this small town in Bellingham, Washington

Weather in June

June arrives in Bellingham as the harbinger of summer, teasing residents with longer days, diminished rainfall, and dipping relative humidity. The combination of measurable sunshine hours, warm temperatures, and a pleasant sea-breeze make outdoor ventures incredibly enjoyable. Longer hours of sunshine usher in the summer solstice, offering Bellingham another classic summer testimony. The highest temperature observed takes a leap to 64.9°F (18.3°C) as we step into the heart of the warmer season. June is undoubtedly the pivot of summer, creating a breathing space amidst the climatic shift and preparing the city for the peak summer months ahead.

Temperature

The advent of June brings an average high-temperature of a still enjoyable 64.9°F (18.3°C), exhibiting minor difference from the previous month. During June, the temperature tends to dip to an average of 48.7°F (9.3°C) at night.

Humidity

In June, the average relative humidity is 76%.

Rainfall

In Bellingham, Washington, in June, during 12 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, there are 158 rainfall days, and 18.7" (475mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Ocean temperature

In Bellingham, the average seawater temperature in June is 46.9°F (8.3°C).
Note: Dipping in 46.9°F (8.3°C) at temperatures less than 50°F (10°C) without proper gear can lead to pronounced cold shock and breathing difficulties.

Daylight

The month with the longest days is June, with an average of 16h and 6min of daylight.
On the first day of June, sunrise is at 5:10 am and sunset at 9:05 pm. On the last day of the month, sunrise is at 5:10 am and sunset at 9:16 pm PDT.

Sunshine

The average sunshine in June in Bellingham is 9.4h.

UV index

The average daily maximum UV index in June is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: An average maximum UV index of 4 in June leads to these recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in June in Bellingham?

June temperatures in Bellingham, Washington, vary between a high-temperature of 64.9°F (18.3°C) and a low-temperature of 48.7°F (9.3°C).

What is the average humidity in June in Bellingham?

In June, the average relative humidity in Bellingham is 76%.

How many days does it rain in June in Bellingham?

In June, the rain falls for 12 days. Throughout June, 1.02" (26mm) of precipitation is accumulated.

When it does not snow in Bellingham?

In Bellingham, Washington, snow does not fall in May through October.

How cold is the water in June in Bellingham?

In Bellingham, the average seawater temperature in June is 46.9°F (8.3°C). Swimming in 46.9°F (8.3°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

When are the longest days in Bellingham?

With an average of 16h and 6min of daylight, June has the longest days of the year in Bellingham.

What is the average length of the day in June in Bellingham?

In June, the average day length in Bellingham is 16h and 5min.

When are sunrise and sunset in June in Bellingham?

In June, on the first day of the month, sunrise is at 5:10 am and sunset at 9:05 pm. On the last day of the month, in Bellingham, Washington, sunrise is at 5:10 am and sunset at 9:16 pm PDT.

How many hours of sunshine does Bellingham have in June?

In June, the average sunshine duration is 9.4h.

How high is the UV index in June in Bellingham?

In June, the average daily maximum UV index in Bellingham is 4. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Bellingham, WA

Average temperature in June - Bellingham, WA
  • Average high temperature in June: 64.9°F

The warmest months (with the highest average high temperature) are July and August (70.3°F).
The month with the lowest average high temperature is December (41.9°F).

  • Average low temperature in June: 48.7°F

The month with the highest average low temperature is August (53.2°F).
The coldest month (with the lowest average low temperature) is December (34.9°F).

Average pressure in June
Bellingham, WA

Average pressure in June - Bellingham, WA
  • Average pressure in June: 30.01"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).

Average wind speed in June
Bellingham, WA

Average wind speed in June - Bellingham, WA
  • Average wind speed in June: 4.4mph

The windiest month (with the highest average wind speed) is November (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in June
Bellingham, WA

Average humidity in June - Bellingham, WA
  • Average humidity in June: 76%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is July (74%).

Average rainfall in June
Bellingham, WA

Average rainfall in June - Bellingham, WA
  • Average rainfall in June: 1.02"

The wettest month (with the highest rainfall) is November (2.64").
The driest month (with the least rainfall) is July (0.55").

Average rainfall days in June
Bellingham, WA

Average rainfall days in June - Bellingham, WA
  • Average rainfall days in June: 12 days

The month with the highest number of rainy days is March (17.3 days).
The month with the least rainy days is August (7.1 days).

Average snowfall in June
Bellingham, WA

Average snowfall in June - Bellingham, WA
  • Average snowfall in June: 0"

The month with the highest snowfall is February (1.81").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in June
Bellingham, WA

Average snowfall days in June - Bellingham, WA
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (3.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in June
Bellingham, WA

Average sea temperature in June - Bellingham, WA
  • Average sea temperature in June: 46.9°F

The best month for swimming (with the highest average sea temperature) is August (53.2°F).
The coldest month (with the lowest average sea temperature) is February (44.5°F).

Average daylight in June /
Average sunshine in June
Bellingham, WA

Average daylight in June / Average sunshine in June - Bellingham, WA
  • Average daylight in June: 16h and 1min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in June: 9h and 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).

Average sunshine days in June
Bellingham, WA

Average sunshine days in June - Bellingham, WA
  • Average sunshine days in June: 15.4 days

The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is April (10.8 days).

Average UV index in June
Bellingham, WA

Average UV index in June - Bellingham, WA
  • Average UV index in June: 4

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in June
Bellingham, WA

Average cloud cover in June - Bellingham, WA
  • Average cloud cover in June: 41

The months with the most cloud cover are January and December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in June
Bellingham, WA

Average visibility in June - Bellingham, WA
  • Average visibility in June: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Bellingham, Washington, USA

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