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Weather & Climate

Malheur County, Oregon, United States

Overview

Climate data and monthly weather averages for Malheur County.

Key Metrics

Annual Avg
9.9°C
Summer Avg
21.9°C
Winter Avg
-0.9°C
Record High
41.2°C
Record Low
-26°C
Annual Precipitation
306.1 mm
Avg Humidity
53%
Summer Humidity
35%
Winter Humidity
73%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan15.4°-1.5°-26°33.277%5057.9
Feb18.4°0.6°-14.9°23.867%7454.8
Mar25.1°4.6°-8.6°32.659%12355.7
Apr30.4°-6.1°32.752%16653.9
May35.9°13.4°-5.1°40.348%20453.6
Jun40.5°18.5°-0.1°25.542%22445.3
Jul41.2°24.4°6.4°7.132%24037.8
Aug38.5°22.9°4.8°6.532%20743.2
Sep37.1°17.4°-1.7°12.937%15651.6
Oct32.3°9.7°-9.4°2250%10851.9
Nov22.6°-14.3°2763%6254.1
Dec13.4°-1.7°-22.5°42.576%4158.5

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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