Unlock deeper multi-jurisdiction research
Full sub-pages, saves, and alerts are available on paid plans.
Weather & Climate
Custer County, Oklahoma, United States
Overview
Climate data and monthly weather averages for Custer County.
Key Metrics
Annual Avg
15.7°C
Summer Avg
27.6°C
Winter Avg
3.4°C
Record High
46.2°C
Record Low
-15.3°C
Annual Precipitation
749.3 mm
Avg Humidity
63%
Summer Humidity
58%
Winter Humidity
67%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 22.9° | 2.5° | -14.8° | 26 | 67% | 93 | 57.5 |
| Feb | 30.2° | 4.3° | -15.3° | 32.2 | 67% | 104 | 55.9 |
| Mar | 32.1° | 10.4° | -13.9° | 51.5 | 63% | 151 | 61.1 |
| Apr | 36.7° | 15.6° | -5° | 74.1 | 61% | 180 | 60.6 |
| May | 39.1° | 20.9° | 1.5° | 110.7 | 64% | 202 | 57 |
| Jun | 44.8° | 26.2° | 11° | 99.3 | 62% | 218 | 53.2 |
| Jul | 45.1° | 28.8° | 15.3° | 67 | 56% | 220 | 40.8 |
| Aug | 46.2° | 27.9° | 13.1° | 84 | 57% | 197 | 41 |
| Sep | 40° | 23.1° | 6.6° | 69.6 | 61% | 160 | 53.6 |
| Oct | 34.9° | 15.8° | -6.1° | 71.6 | 62% | 127 | 56 |
| Nov | 29.8° | 9.1° | -8.4° | 34.5 | 65% | 95 | 58.6 |
| Dec | 24.4° | 3.3° | -14.2° | 28.8 | 68% | 81 | 63.1 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
Subscribe to unlock the full sub-page depth for additional jurisdictions.
You can keep discovering Oyster publicly, but full multi-jurisdiction depth, tracking, alerts, and exports are part of paid access.