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Weather & Climate
Sam Rayburn, Texas, United States
Overview
Climate data and monthly weather averages for Sam Rayburn.
Key Metrics
Annual Avg
19.5°C
Summer Avg
28.2°C
Winter Avg
10.1°C
Record High
42.6°C
Record Low
-8.3°C
Annual Precipitation
1440 mm
Avg Humidity
79%
Summer Humidity
74%
Winter Humidity
84%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 24.7° | 8.9° | -8.3° | 116.3 | 84% | 86 | 21.7 |
| Feb | 27.3° | 11.2° | -7° | 108.9 | 84% | 89 | 22 |
| Mar | 31° | 15.4° | -5.3° | 120 | 82% | 135 | 21.7 |
| Apr | 35.7° | 19.4° | 1° | 106.8 | 79% | 162 | 20.5 |
| May | 39° | 23.9° | 5.2° | 111.3 | 76% | 184 | 20.1 |
| Jun | 41° | 27.5° | 15.3° | 136.8 | 74% | 190 | 19.5 |
| Jul | 41.3° | 28.4° | 18.1° | 117.2 | 75% | 196 | 18.4 |
| Aug | 42.6° | 28.6° | 14.1° | 124.6 | 73% | 185 | 28.8 |
| Sep | 40.2° | 25.6° | 8.5° | 115.2 | 75% | 153 | 40.1 |
| Oct | 35.8° | 20.1° | 1.3° | 138.6 | 77% | 130 | 24 |
| Nov | 31.7° | 14.4° | -5.4° | 111.3 | 80% | 94 | 21.1 |
| Dec | 27.6° | 10.2° | -5.3° | 133 | 84% | 77 | 22.8 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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