Unlock deeper multi-jurisdiction research
Full sub-pages, saves, and alerts are available on paid plans.
Weather & Climate
Harmon County, Oklahoma, United States
Overview
Climate data and monthly weather averages for Harmon County.
Key Metrics
Annual Avg
17.4°C
Summer Avg
29.1°C
Winter Avg
5.3°C
Record High
48°C
Record Low
-13.5°C
Annual Precipitation
605.7 mm
Avg Humidity
56%
Summer Humidity
52%
Winter Humidity
60%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 28.3° | 4.5° | -13.5° | 21.4 | 61% | 96 | 56.8 |
| Feb | 33.1° | 6.3° | -13.2° | 23 | 59% | 105 | 63 |
| Mar | 35.6° | 12.3° | -8.9° | 37.8 | 55% | 153 | 62.2 |
| Apr | 41.6° | 17.6° | -2.5° | 56.7 | 51% | 181 | 58.7 |
| May | 42.3° | 22.7° | 2.7° | 87.7 | 55% | 202 | 55.8 |
| Jun | 48° | 27.9° | 12.6° | 80.1 | 54% | 217 | 50.8 |
| Jul | 47.1° | 30.1° | 15.3° | 56.7 | 50% | 221 | 40.9 |
| Aug | 45.4° | 29.3° | 14.7° | 67.6 | 51% | 199 | 41.8 |
| Sep | 40.9° | 24.5° | 8.3° | 65.4 | 56% | 160 | 49.7 |
| Oct | 38.5° | 17.4° | -5.6° | 56.1 | 57% | 131 | 51.6 |
| Nov | 33° | 10.7° | -8.2° | 30.9 | 58% | 98 | 55 |
| Dec | 28.1° | 5° | -10.5° | 22.3 | 61% | 83 | 60.2 |
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.