Unlock deeper multi-jurisdiction research
Full sub-pages, saves, and alerts are available on paid plans.
Weather & Climate
Grayson, Kentucky, United States
Overview
Climate data and monthly weather averages for Grayson.
Key Metrics
Annual Avg
12.6°C
Summer Avg
23.7°C
Winter Avg
0.8°C
Record High
42.2°C
Record Low
-19.9°C
Annual Precipitation
1119.8 mm
Avg Humidity
78%
Summer Humidity
73%
Winter Humidity
85%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 21.8° | -0.4° | -19.9° | 73.8 | 85% | 58 | 29.5 |
| Feb | 22.9° | 0.9° | -19.4° | 81.5 | 85% | 72 | 32.8 |
| Mar | 27.8° | 6.2° | -14.1° | 94.5 | 82% | 113 | 28.8 |
| Apr | 28.4° | 12.5° | -5.9° | 108 | 79% | 149 | 25.1 |
| May | 35.5° | 17.8° | -1.5° | 118.1 | 80% | 172 | 20.5 |
| Jun | 39.3° | 22.3° | 4.5° | 102.3 | 77% | 186 | 16 |
| Jul | 42.2° | 24.6° | 10.8° | 116.9 | 73% | 182 | 15.3 |
| Aug | 38.8° | 24.3° | 9.5° | 79.7 | 68% | 169 | 14.7 |
| Sep | 38.4° | 20.7° | 3.8° | 83.7 | 67% | 137 | 23.4 |
| Oct | 35.4° | 13.6° | -3.1° | 90.2 | 72% | 101 | 21.3 |
| Nov | 28.1° | 6.8° | -10.9° | 75.6 | 78% | 70 | 25.6 |
| Dec | 21.2° | 1.9° | -15.9° | 95.5 | 86% | 51 | 29.1 |
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.