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Weather & Climate
Rockwall, Texas, United States
Overview
Climate data and monthly weather averages for Rockwall.
Key Metrics
Annual Avg
18.4°C
Summer Avg
28.7°C
Winter Avg
7.6°C
Record High
44.7°C
Record Low
-11.9°C
Annual Precipitation
1001.8 mm
Avg Humidity
71%
Summer Humidity
65%
Winter Humidity
75%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 27.7° | 6.4° | -11.9° | 67 | 75% | 89 | 58 |
| Feb | 28.7° | 8.6° | -9.9° | 77.6 | 76% | 93 | 54.2 |
| Mar | 30° | 13.5° | -9.2° | 98.6 | 75% | 137 | 51.7 |
| Apr | 36.1° | 18° | -1.2° | 88.8 | 74% | 163 | 48.5 |
| May | 38.3° | 22.5° | 3.5° | 119 | 75% | 181 | 43.1 |
| Jun | 41.3° | 27.1° | 13.8° | 93.6 | 70% | 200 | 46.1 |
| Jul | 44.7° | 29.3° | 17.3° | 61.1 | 64% | 209 | 32.2 |
| Aug | 44.6° | 29.7° | 15.4° | 65.1 | 60% | 192 | 31.6 |
| Sep | 42.7° | 25.7° | 9.7° | 78.6 | 64% | 156 | 52.7 |
| Oct | 37.1° | 19.2° | -1.9° | 111 | 67% | 127 | 46.8 |
| Nov | 32° | 12.9° | -6.6° | 63.3 | 72% | 92 | 51.2 |
| Dec | 27.8° | 7.7° | -10.8° | 78.1 | 74% | 80 | 50.7 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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