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Weather & Climate

Valley County, Idaho, United States

Overview

Climate data and monthly weather averages for Valley County.

Key Metrics

Annual Avg
2.6°C
Summer Avg
14.4°C
Winter Avg
-8.1°C
Record High
34.7°C
Record Low
-32.7°C
Annual Precipitation
751.4 mm
Avg Humidity
75%
Summer Humidity
57%
Winter Humidity
95%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan2.5°-8.3°-32.7°86.295%5126.4
Feb7.8°-7.8°-31.6°71.195%7221.8
Mar13.9°-4.2°-24.4°91.893%11321.3
Apr20.2°-18.9°70.581%15322.1
May26.4°6.1°-12.6°66.672%18721.9
Jun32.2°10.6°-4.5°56.468%21020.1
Jul34.7°16.6°-0.7°14.655%23818.5
Aug33.1°16.1°-1.7°17.748%20118.6
Sep32.1°11°-5.6°32.752%14720.1
Oct27.4°3.3°-18°53.667%9621.7
Nov15.3°-3.6°-27.6°79.884%5425.8
Dec-8.3°-31.3°110.495%4025.3

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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