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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
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 19.4° | -2.9° | -23° | 10.5 | 71% | 69 | 68.5 |
| Feb | 24.9° | -2.2° | -20.7° | 17.6 | 67% | 88 | 70.3 |
| Mar | 29.4° | 3.8° | -24.5° | 31.6 | 62% | 128 | 71.5 |
| Apr | 32.9° | 9.2° | -13.4° | 76.5 | 61% | 158 | 71 |
| May | 37.5° | 15.2° | -3.5° | 99.8 | 61% | 187 | 57.5 |
| Jun | 43° | 21.8° | 5.5° | 93.9 | 61% | 207 | 57.3 |
| Jul | 43.2° | 25.2° | 9.5° | 79.4 | 58% | 213 | 44.5 |
| Aug | 41° | 23.3° | 8.3° | 76 | 61% | 183 | 48.8 |
| Sep | 40.5° | 18.6° | 1.1° | 51.6 | 58% | 143 | 51.9 |
| Oct | 33.8° | 9.8° | -9.9° | 46.2 | 61% | 106 | 69 |
| Nov | 27.4° | 3.4° | -14.4° | 17.4 | 64% | 73 | 67.2 |
| Dec | 20.8° | -2.4° | -22.9° | 17.4 | 71% | 59 | 64.3 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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