July weather forecastBellingham, WA

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

July

Weather in July

July in Bellingham exemplifies the peak of summer with its warm days, minimal clouds, and noticeably reduced rainfall. Defined by its long daylight hours and comfortable temperature ranges, this month also experiences the maximum UV index of any month. Clocking in the least precipitation, July witnesses a drop to merely 0.55" (14mm) while showcasing an abundance of sunshine. One can expect the most enjoyable outdoor conditions in July, with the shore offering mild sea temperatures, making beach visits extra enticing. The impeccable blend of perfect weather conditions makes July the best time for summer travel and outdoor activities.

Temperature

Bellingham experiences the peak of its temperatures in July and August, when the average high-temperatures rise to 70.3°F (21.3°C).

Humidity

The least humid month in Bellingham is July, with an average relative humidity of 74%.

Rainfall

July is the month with the least rainfall. Rain falls for 7.7 days and accumulates 0.55" (14mm) of precipitation.

Snowfall

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

Ocean temperature

In Bellingham, in July, the average water temperature is 50.5°F (10.3°C).
Note: Swimming in 50.5°F (10.3°C) poses a severe threat. Even short exposure to 55.4°F (13°C) is chilling, and going below 50°F (10°C) can cause breathing irregularities and intense cold shock, based on one's stamina.

Daylight

The average length of the day in July in Bellingham is 15h and 41min.
On the first day of July, sunrise is at 5:11 am and sunset at 9:16 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:48 pm PDT.

Sunshine

July and August, with an average of 10.5h of sunshine, are months with the most sunshine.

UV index

With an average maximum UV index of 5, July is the month with the highest UV index in Bellingham. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 5 in July translates into these instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.

Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Bellingham, Washington, the warmest period comes during July and August, when the average high-temperature touches 70.3°F (21.3°C).

In July, in Bellingham, the average high-temperature is 70.3°F (21.3°C), and the average low-temperature is 52.2°F (11.2°C).

The least humid month is July, with an average relative humidity of 74%.

The average relative humidity in July in Bellingham, Washington, is 74%.

July is the month with the least rainfall in Bellingham, Washington. Rain falls for 7.7 days and accumulates 0.55" (14mm) of precipitation.

In Bellingham, Washington, during July, the rain falls for 7.7 days and regularly aggregates up to 0.55" (14mm) of precipitation.

May through October are months without snowfall.

In July, the average ocean temperature in Bellingham, Washington, is 50.5°F (10.3°C). Swimming in 50.5°F (10.3°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.

The average day length in July in Bellingham is 15h and 41min.

On the first day of July in Bellingham, Washington, sunrise is at 5:11 am and sunset at 9:16 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:48 pm PDT.

The months with the most sunshine in Bellingham are July and August, with an average of 10.5h of sunshine.

In Bellingham, the average sunshine duration in July is 10.5h.

The month with the highest UV index in Bellingham, Washington, is July, with an average maximum UV index of 5.

The average daily maximum UV index in July in Bellingham is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J July A S O N D

Jun

July

Aug

Average high temperature

64.9°F

70.3°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

4.9mph

4.5mph

4.2mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

7.7

7.1

Average snowfall

Average snowfall days

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

15.4

22.3

21.8

Average UV index

Average cloud cover

Average visibility

Average temperature in July
Bellingham, WA

Average high temperature in July: 70.3°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 July: 52.2°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 July
Bellingham, WA

Average pressure in July: 30.03"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 July
Bellingham, WA

Average wind speed in July: 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 July
Bellingham, WA

Average humidity in July: 74%

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

Average rainfall in July
Bellingham, WA

Average rainfall in July: 0.55"

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 July
Bellingham, WA

Average rainfall days in July: 7.7 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 July
Bellingham, WA

Average snowfall in July: 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 July
Bellingham, WA

Average snowfall days in July: 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 July
Bellingham, WA

Average sea temperature in July: 50.4°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 July /
Average sunshine in July
Bellingham, WA

Average daylight in July: 15h and 42min

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 July: 10h and 30min

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 July
Bellingham, WA

Average sunshine days in July: 22.3 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 July
Bellingham, WA

Average UV index in July: 5

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 July
Bellingham, WA

Average cloud cover in July: 27

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 July
Bellingham, WA

Average visibility in July: 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).