Which is the hottest month in Friday Harbor?

The hottest time of year in Friday Harbor is normally July. Expect maximum daytime temperatures to reach 21°C.

Which month has the most rain in Friday Harbor?

In terms of rainfall, December is usually the wettest month in Friday Harbor with 113mm on average. There are normally 19 days in December with some rain.

When is it sunniest in Friday Harbor?

The sunniest time of year in Friday Harbor is normally July with bright sunshine on average for 65% of daylight hours; that's 10 hours of sunshine per day.

When is the sea warmest in Friday Harbor?

The sea is usually at its warmest in Friday Harbor in August when the water temperature reaches 13°C.

Best time to visit Friday Harbor

Q: When is the best time to visit Friday Harbor?

The best time to visit Friday Harbor is July based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

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Friday Harbor by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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When is the best time to visit Friday Harbor?

The best time to visit Friday Harbor is July based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

0
Jan
0
Feb
1
Mar
1.5
Apr
2
May
3.5
Jun
4.5
Jul
4
Aug
2.5
Sep
0.5
Oct
0
Nov
0
Dec

Change criteria

Max Day Temperature (°C)

7
Jan
8
Feb
10
Mar
13
Apr
16
May
19
Jun
21
Jul
21
Aug
18
Sep
14
Oct
9
Nov
7
Dec

Hours of Sunshine (daily)

2
Jan
3
Feb
5
Mar
6
Apr
8
May
9
Jun
10
Jul
9
Aug
7
Sep
4
Oct
2
Nov
2
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Washington State (Friday Harbor) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)