Friday Harbor (WA) Weather and Climate: A Comprehensive Guide
The temperature in Friday Harbor can vary greatly throughout the year.
The temperatures shift from pleasant
to cold.
It receives a reasonable amount of rain/snowfall.
Let’s explore the climate details in depth to provide you with a complete overview.
Average maximum day and minimum night temperature
Depending on the time of the year, temperatures range from pleasant to chilly in Friday Harbor. Average daytime temperatures reach a pleasant 21°C in August. In December, the coolest month of the year, temperatures drop to a chilly 8°C.
At night, you can expect cooler temperatures, with averages dropping to around 3°C during this month. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Generally, Friday Harbor has a moderate amount of precipitation, averaging 671 mm of rain/snowfall annually. Friday Harbor can be quite wet during November, receiving approximately 108 mm of precipitation over 19 rainy days. In contrast July, experiences much drier conditions, with 14 mm of rainfall, spread across 5 rainy days. For more details, please visit our Friday Harbor Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Friday Harbor can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 11.0 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 2.3 hours of sunlight per day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
overcast and rain broken clouds and rain broken clouds and rainForecast for Friday Harbor (WA)
3 m/s
5 m/s
3 m/s
The best time of year to visit Friday Harbor in the United States of America
During the months of July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
Yes, the months of July and August are very dry.
August has an average maximum temperature of 21°C and is the warmest month of the year.
The coldest month is December with an average maximum temperature of 8°C.
November tops the wettest month list with 108 mm of rainfall.
July is the driest month with 14 mm of precipitation.
July is the sunniest month with an average of 331 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
