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Weather & Climate
McNairy County, Tennessee, United States
Overview
Available climate summaries for McNairy County. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
16°C
Summer Avg
26.5°C
Winter Avg
4.9°C
Record High
43.3°C
Record Low
-15°C
Annual Precipitation
1450.7 mm
Avg Humidity
77%
Summer Humidity
71%
Winter Humidity
85%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 22.5° | 3.6° | -15° | 112.2 | 85% | 74 | 34.2 |
| Feb | 23.6° | 5.6° | -14.1° | 139.4 | 85% | 82 | 33.6 |
| Mar | 29.3° | 10.7° | -12.9° | 132.7 | 82% | 124 | 31.8 |
| Apr | 31.3° | 15.9° | -5° | 135.6 | 79% | 158 | 35.1 |
| May | 36.7° | 20.7° | 3.3° | 134.8 | 78% | 183 | 22.6 |
| Jun | 42.1° | 25.2° | 10.8° | 109.2 | 75% | 196 | 24 |
| Jul | 41.3° | 27.2° | 13.5° | 118.7 | 71% | 194 | 21.4 |
| Aug | 43.3° | 27° | 11.2° | 103.2 | 68% | 176 | 34.2 |
| Sep | 39.2° | 23.3° | 5.4° | 102.6 | 69% | 146 | 23 |
| Oct | 38.1° | 16.7° | -2.9° | 111.9 | 72% | 117 | 26.3 |
| Nov | 30.8° | 10° | -9.2° | 105.6 | 77% | 83 | 31.5 |
| Dec | 24.4° | 5.6° | -14.9° | 144.8 | 84% | 64 | 28.8 |
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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