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Weather & Climate
Washington Parish, Louisiana, United States
Overview
Available climate summaries for Washington Parish. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
18.8°C
Summer Avg
27.1°C
Winter Avg
10°C
Record High
43.9°C
Record Low
-8.9°C
Annual Precipitation
1566 mm
Avg Humidity
81%
Summer Humidity
79%
Winter Humidity
84%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 25.5° | 8.7° | -8.9° | 121.8 | 84% | 90 | 22.2 |
| Feb | 27.9° | 11.2° | -6° | 132.2 | 84% | 97 | 23.5 |
| Mar | 30.2° | 15° | -6.9° | 130.8 | 82% | 143 | 22.5 |
| Apr | 35.8° | 18.8° | 0.4° | 121.5 | 81% | 171 | 20.2 |
| May | 37.8° | 22.9° | 4.2° | 121.5 | 79% | 194 | 16.9 |
| Jun | 40.5° | 26.6° | 13.1° | 157.8 | 78% | 182 | 18.8 |
| Jul | 43.9° | 27.4° | 17.2° | 160.3 | 79% | 180 | 20.1 |
| Aug | 42° | 27.2° | 12.7° | 167.4 | 80% | 172 | 43.2 |
| Sep | 39.8° | 24.8° | 7.5° | 116.1 | 80% | 154 | 26.5 |
| Oct | 37.4° | 19.5° | -0.1° | 102.6 | 79% | 136 | 23.1 |
| Nov | 30.8° | 13.6° | -6.7° | 86.7 | 81% | 102 | 19.4 |
| Dec | 26.9° | 10.2° | -5.9° | 147.3 | 85% | 81 | 21.9 |
Data sources
Estimates and unverified origins
Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-22.
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