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Weather & Climate
Lyman, South Carolina, United States
Overview
Climate data and monthly weather averages for Lyman.
Key Metrics
Annual Avg
15.7°C
Summer Avg
25.9°C
Winter Avg
5.3°C
Record High
41.9°C
Record Low
-14.9°C
Annual Precipitation
1228.7 mm
Avg Humidity
75%
Summer Humidity
70%
Winter Humidity
80%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 23.3° | 4° | -12.5° | 90.8 | 81% | 85 | 42.7 |
| Feb | 24.5° | 6° | -13.6° | 88.5 | 80% | 94 | 39.1 |
| Mar | 27.3° | 10.2° | -14.9° | 103.5 | 79% | 137 | 40.7 |
| Apr | 30.6° | 15.4° | -4.6° | 97.5 | 77% | 170 | 36.2 |
| May | 35.4° | 20.3° | 3.2° | 106.6 | 75% | 192 | 34.7 |
| Jun | 40.9° | 24.8° | 9° | 109.8 | 72% | 195 | 26.8 |
| Jul | 41° | 26.7° | 14.5° | 115.6 | 69% | 192 | 26.6 |
| Aug | 41.9° | 26.1° | 12.4° | 111.6 | 69% | 176 | 30.9 |
| Sep | 37.6° | 22.6° | 5.2° | 102.9 | 70% | 147 | 43.7 |
| Oct | 38.3° | 16.3° | -1.9° | 88 | 72% | 123 | 42.1 |
| Nov | 28.9° | 10° | -6.4° | 94.5 | 73% | 92 | 33.6 |
| Dec | 25.4° | 6° | -9.4° | 119.4 | 80% | 74 | 39.7 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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