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Weather & Climate

Custer County, Nebraska, United States

Overview

Climate data and monthly weather averages for Custer County.

Key Metrics

Annual Avg
10.2°C
Summer Avg
23.4°C
Winter Avg
-2.5°C
Record High
43.2°C
Record Low
-24.5°C
Annual Precipitation
617.9 mm
Avg Humidity
63%
Summer Humidity
60%
Winter Humidity
70%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan19.4°-2.9°-23°10.571%6968.5
Feb24.9°-2.2°-20.7°17.667%8870.3
Mar29.4°3.8°-24.5°31.662%12871.5
Apr32.9°9.2°-13.4°76.561%15871
May37.5°15.2°-3.5°99.861%18757.5
Jun43°21.8°5.5°93.961%20757.3
Jul43.2°25.2°9.5°79.458%21344.5
Aug41°23.3°8.3°7661%18348.8
Sep40.5°18.6°1.1°51.658%14351.9
Oct33.8°9.8°-9.9°46.261%10669
Nov27.4°3.4°-14.4°17.464%7367.2
Dec20.8°-2.4°-22.9°17.471%5964.3

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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