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Weather & Climate
Saint Joseph, Louisiana, United States
Overview
Climate data and monthly weather averages for Saint Joseph.
Key Metrics
Annual Avg
18.8°C
Summer Avg
28°C
Winter Avg
8.9°C
Record High
42.5°C
Record Low
-9.5°C
Annual Precipitation
1409.8 mm
Avg Humidity
77%
Summer Humidity
71%
Winter Humidity
83%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 25.8° | 7.6° | -9.5° | 129.6 | 83% | 86 | 33.1 |
| Feb | 27.8° | 9.9° | -6.8° | 138.6 | 84% | 92 | 41.2 |
| Mar | 29.2° | 14.3° | -7.8° | 130.2 | 82% | 138 | 38 |
| Apr | 33° | 18.6° | 0.1° | 120 | 79% | 167 | 34.5 |
| May | 38.5° | 23.2° | 4.6° | 114.1 | 76% | 192 | 32.4 |
| Jun | 41.4° | 27.3° | 13.1° | 100.8 | 72% | 191 | 31.2 |
| Jul | 41.8° | 28.5° | 16.2° | 120.9 | 71% | 191 | 34 |
| Aug | 42.5° | 28.3° | 12.3° | 108.5 | 71% | 180 | 51 |
| Sep | 41.1° | 25.7° | 7.5° | 93.9 | 70% | 155 | 49.4 |
| Oct | 39.1° | 19.8° | -0.1° | 112.8 | 71% | 133 | 44 |
| Nov | 31.7° | 13.5° | -7.4° | 105.9 | 76% | 98 | 40.6 |
| Dec | 27.5° | 9.2° | -7.1° | 134.5 | 83% | 78 | 40.9 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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