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Weather & Climate

Humboldt County, California, United States

Overview

Climate data and monthly weather averages for Humboldt County.

Key Metrics

Annual Avg
11.6°C
Summer Avg
18.7°C
Winter Avg
5.3°C
Record High
40.8°C
Record Low
-7.7°C
Annual Precipitation
1278 mm
Avg Humidity
73%
Summer Humidity
57%
Winter Humidity
87%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan21.4°5.4°-6.9°204.987%6330.8
Feb22.3°5.6°-7.1°185.186%8226.6
Mar30.2°6.9°-4.7°191.386%12625
Apr29.9°8.5°-3.3°100.283%16625.8
May34.2°11.9°-1.3°48.479%21420.7
Jun40.1°15.7°1.9°19.268%23822.1
Jul40.8°20.3°6.2°3.454%25217.6
Aug39.3°20.2°6.3°3.450%22221.1
Sep40.4°18.1°1.8°17.151%17121.4
Oct35.3°13.3°-1.7°78.763%12226
Nov28.4°7.9°-5.8°146.781%7125.5
Dec21.7°-7.7°279.688%5132

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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