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Weather & Climate

Sequim, Washington, United States

Overview

Climate data and monthly weather averages for Sequim.

Key Metrics

Annual Avg
8.5°C
Summer Avg
15.4°C
Winter Avg
2.4°C
Record High
33.8°C
Record Low
-14.1°C
Annual Precipitation
1276.4 mm
Avg Humidity
82%
Summer Humidity
73%
Winter Humidity
90%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan12.9°2.6°-14.1°187.991%3029.7
Feb14.1°2.6°-10.8°110.387%5233
Mar18.2°4.2°-7.4°15086%9035.1
Apr25.2°6.7°-2.3°93.981%13028.3
May27.9°10.7°0.1°63.977%17127.5
Jun30.1°13.2°3.3°44.776%18020.3
Jul33.8°16.4°5.6°18.972%20316.1
Aug33.2°16.6°6.7°28.571%17128.8
Sep31.6°13.5°3.7°57.376%11726.2
Oct23.6°8.8°-2.2°132.184%6830
Nov15.7°4.7°-10.9°200.489%3437.4
Dec12.2°2.1°-12.3°188.591%2441.6

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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