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Weather & Climate
Harvey, Louisiana, United States
Overview
Climate data and monthly weather averages for Harvey.
Key Metrics
Annual Avg
21.1°C
Summer Avg
28.3°C
Winter Avg
13.2°C
Record High
36.2°C
Record Low
-4.8°C
Annual Precipitation
1533.1 mm
Avg Humidity
79%
Summer Humidity
77%
Winter Humidity
82%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 23.2° | 12° | -4.8° | 98.3 | 81% | 94 | 52 |
| Feb | 25.5° | 14° | 0° | 106.1 | 82% | 102 | 46.2 |
| Mar | 27.9° | 17.3° | 0.5° | 104.5 | 80% | 152 | 49.3 |
| Apr | 30.2° | 21° | 5.8° | 128.1 | 79% | 175 | 43.7 |
| May | 33.8° | 24.7° | 10° | 118.7 | 76% | 200 | 45.7 |
| Jun | 36.2° | 27.9° | 19.8° | 176.1 | 76% | 182 | 49.9 |
| Jul | 35.2° | 28.5° | 22.2° | 172.7 | 77% | 175 | 70.6 |
| Aug | 35.4° | 28.5° | 18.5° | 190.3 | 78% | 166 | 91.3 |
| Sep | 33.9° | 26.8° | 14.7° | 129 | 78% | 153 | 90.5 |
| Oct | 32.9° | 22.3° | 7.6° | 104.5 | 78% | 140 | 63.6 |
| Nov | 27.7° | 17° | 0.7° | 76.5 | 79% | 106 | 47.6 |
| Dec | 24.4° | 13.5° | -0.3° | 128.3 | 82% | 85 | 46 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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