Friday Harbor weather in April 2025

Expect 55°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Friday Harbor in April. Check more long-term weather averages for Friday Harbor in April before you book your next holiday to Washington State in 2025/2026.

55
55°F max day temperature
6
6 hours of sunshine per day
13
13 days with some rainfall
41
41°F min night temperature
14
14 hours of daylight per day
0
No heat & humidity
1.6
1.6 inches of monthly rainfall
4
4 (Moderate) UV index
48
48°F sea temperature

More about Friday Harbor

Friday Harbor by month

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The April weather guide for Washington State (Friday Harbor) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

More about the USA

How warm is it in Friday Harbor in April?

Daytime temperatures usually reach 55°F in Friday Harbor in April, falling to 41°F at night.

How sunny is it in Friday Harbor in April?

There are normally 6 hours of bright sunshine each day in Friday Harbor in April - that's 44% of daylight hours.

How warm is the sea around Friday Harbor in April?

The average sea temperature around Friday Harbor in April is 48°F.

Does it rain in Friday Harbor in April?

There are usually 13 days with some rain in Friday Harbor in April and the average monthly rainfall is 1.6 inches.

Friday Harbor April sunrise & sunset times

Browse the sunrise and sunset times for Friday Harbor in April 2025. Select a month to view Friday Harbor sunrise and sunset times for the next 12 months.

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

Date	Sunrise times	Sunset times
Tuesday, 1st April 2025	05:49	18:43
Tuesday, 15th April 2025	05:21	19:04
Wednesday, 30th April 2025	04:53	19:26

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Washington - quick facts
Flight time^✝	10 hours
Time difference	UK -8 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Why visit?	Nature
Tourist info	State of Washington Tourism