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Weather & Climate

Westport, Washington, United States

Overview

Climate data and monthly weather averages for Westport.

Key Metrics

Annual Avg
10.8°C
Summer Avg
14.4°C
Winter Avg
7.2°C
Record High
25.3°C
Record Low
-2.9°C
Annual Precipitation
1928.1 mm
Avg Humidity
86%
Summer Humidity
88%
Winter Humidity
86%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan13.1°7.3°-1.3°306.387%3556.6
Feb13.9°7.1°-2.9°169.184%5762.1
Mar16.6°7.9°1.6°225.485%9760.8
Apr20.2°9.1°3.1°143.484%13455.9
May21.8°11.3°5.5°81.585%16358.4
Jun23.9°13.3°8.5°53.786%17142.5
Jul24.1°14.7°10.3°24.889%17435.6
Aug25.3°15.1°10.6°36.990%15153.6
Sep24.9°14.5°9.4°81.388%11954.4
Oct18.9°12.2°3.8°200.687%7758.3
Nov16.3°9.4°-1.6°307.885%4172.9
Dec14.6°7.3°-1.9°297.386%3072

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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