Deer Harbor (WA) Weather & Climate: Best Time to Visit

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

Climate overview of Deer Harbor

Deer Harbor, Washington State, United States of America, sees big temperature differences between seasons, with July peaking at 22°C (72°F) and December dropping to 7°C (45°F).

Deer Harbor sees a moderate amount of rain/snowfall, totalling around 685 mm (27 in) per year. It experiences a distinct dry season from May to August, creating some seasonal variation. The most sunshine falls in July, with an average of 11.0 hours of daily sunshine.

Deer Harbor Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Deer Harbor — and find the best time to visit.

Monthly Temperature in Deer Harbor

Visitors to Deer Harbor can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a pleasant 22°C (72°F) in July, the warmest time of the year, to a chilly 7°C (45°F) during cooler months like December.

At night, you can expect temperatures ranging from 12°C (54°F) in July to around 2°C (36°F) during December.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Deer Harbor

Generally, Deer Harbor experiences moderate precipitation patterns, averaging 685 mm (27 in) yearly. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, November it receives high rainfall, averaging 109 mm (4.3 in) of precipitation, recorded across 19 rainy days. In contrast, the driest month July brings less rainfall, with 14 mm (0.6 in) over 5 rainy days. For more details, please visit our Deer Harbor Precipitation page.

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

Sunshine Hours in Deer Harbor

Seasonal changes in sunshine hours are quite dramatic in Deer Harbor. While July receives considerable daily sunshine with up to 11.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.3 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Friday Harbor, the United States of America (10 KM, 6 Miles).

Daily hours of sunshine

Data from: Friday Harbor, the United States of America (10 KM, 6 Miles).

Best Time to Visit Deer Harbor

During April, May, June, July, August and September, Deer Harbor experiences its most favorable weather, with temperatures between 13°C (55°F) and 22°C (71°F). These mild conditions make it an excellent time for a visit.

The weather does bring rainfall during this period, between 14 mm (0.6 in) and 45 mm (1.8 in).

Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

Frequently asked questions about the climate in Deer Harbor

What is the best time to visit Deer Harbor?

June, July and August typically offer the most optimal weather in Deer Harbor. In contrast, January, February, November and December tend to have less optimal conditions. Deer Harbor has a distinct dry season from May to August.

What temperatures can I expect in Deer Harbor?

Daytime highs range from 7°C (45°F) in December to 22°C (72°F) in July. Nighttime lows range from 2°C (36°F) to 12°C (54°F). Temperatures vary considerably through the year.

How much rain does Deer Harbor get?

Annual rainfall is around 685 mm (27 in). November is the wettest month with 109 mm (4.3 in), while July is the driest with 14 mm (0.6 in).

How sunny is Deer Harbor?

Deer Harbor receives around 2,221 hours of sunshine per year. July is the sunniest month with 331 hours, while December is the cloudiest with just 68 hours. Overall, Deer Harbor enjoys abundant sunshine.

Deer Harbor 3-Day Forecast

Deer Harbor (WA) 3-Day Forecast

Deer Harbor on the map

Deer Harbor is highlighted — select any city to see its climate.

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Where to go in July — average daytime high across popular destinations.

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