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Weather & Climate

Fossil, Oregon, United States

Overview

Climate data and monthly weather averages for Fossil.

Key Metrics

Annual Avg
8.5°C
Summer Avg
18°C
Winter Avg
-0.2°C
Record High
39.5°C
Record Low
-24°C
Annual Precipitation
445 mm
Avg Humidity
68%
Summer Humidity
56%
Winter Humidity
82%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan16.5°-0.5°-22°47.784%5050.9
Feb18.5°0.8°-16.6°37.878%7155
Mar24.7°3.8°-15.5°45.672%11552.7
Apr29.1°6.7°-5.2°45.368%15754.5
May34.3°11.6°-3.1°49.664%19545
Jun37.2°15.1°0.6°3662%21940.2
Jul39.5°19.9°4.8°7.454%24235.5
Aug38.3°19.1°4.6°11.553%20537.2
Sep38°14.8°-1.1°17.157%15044.9
Oct30.4°8.5°-9.7°39.467%9955.4
Nov21.7°2.9°-16.1°45.977%5658.4
Dec15.3°-0.8°-24°61.784%4164.6

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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