Sequim (WA) Weather and Climate: A Comprehensive Guide
The climate in Sequim is marked by big temperature swings throughout the year.
Temperatures range from warm during the warmest months
to cold in the cooler months.
It receives a reasonable amount of rain/snowfall.
Let's now guide you through the climate details for a complete overview.
Average maximum day and minimum night temperature
In Sequim, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 23°C in August. In December, the coolest month of the year, temperatures drop to a chilly 7°C.
At night, you can expect cooler temperatures, with averages dropping to around -0°C during this month. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
On average, Sequim receives a reasonable amount of rain/snowfall, with an annual precipitation of 546 mm. Sequim can be quite wet during November, receiving approximately 94 mm of precipitation over 18 rainy days. In contrast August, experiences much drier conditions, with 12 mm of rainfall, spread across 6 rainy days. For more details, please visit our Sequim 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
Sequim 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
Average humidity
The relative humidity is high throughout the year in Sequim.
The city experiences its highest humidity in January, reaching 78%. In July, the humidity drops to its lowest level at 55%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
broken clouds and slight rain overcast and heavy rain broken clouds and chance of rainForecast for Sequim (WA)
5 m/s
8 m/s
6 m/s
The best time of year to visit Sequim in the United States of America
During the months of July, August and September 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 23°C and is the warmest month of the year.
The coldest month is December with an average maximum temperature of 7°C.
November tops the wettest month list with 94 mm of rainfall.
August is the driest month with 12 mm of precipitation.
July is the sunniest month with an average of 330 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.
