Unlock deeper multi-jurisdiction research

Full sub-pages, saves, and alerts are available on paid plans.

See plans

Weather & Climate

Brewster, Washington, United States

Overview

Climate data and monthly weather averages for Brewster.

Key Metrics

Annual Avg
6.3°C
Summer Avg
17.7°C
Winter Avg
-4.8°C
Record High
36.5°C
Record Low
-29.9°C
Annual Precipitation
480 mm
Avg Humidity
73%
Summer Humidity
56%
Winter Humidity
92%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan6.3°-5.3°-29.9°6795%3524.4
Feb11°-3.6°-25°4289%6128.7
Mar18.5°0.5°-20.3°50.881%10329.7
Apr24.8°5.2°-9.2°30.969%14432.1
May30.8°11°-4.6°37.863%18432.7
Jun36.3°14.8°-0.3°24.960%19328.1
Jul36.5°19.3°2.6°10.254%22426.5
Aug35.6°18.9°3.6°10.553%18726.8
Sep32.3°13.8°-2°18.659%13227.6
Oct27°6.4°-9.2°45.671%8129.7
Nov15.5°-0.4°-24°64.885%3927.8
Dec4.6°-5.4°-23°76.993%2733.9

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

Subscribe to unlock the full sub-page depth for additional jurisdictions.

You can keep discovering Oyster publicly, but full multi-jurisdiction depth, tracking, alerts, and exports are part of paid access.