Average annual temperature is 15.9 °C
Absolute maximum temperature: 35.7 °C
Absolute minimum temperature: -4.6 °C
Number of sunny days: 195 days
Number of rainy days: 170 days
Look at detailed online map of Lake Lanier
* Weather data for Lake Lanier United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 19.3 | 24.9 | 27.3 | 27.6 | 28.9 | 31.8 | 35.1 | 35.7 | 34.7 | 28.6 | 27.2 | 21.2 |
| Average daytime temperature (°C) | 12.9 | 15.8 | 17.3 | 21.5 | 23.9 | 27.7 | 32.2 | 30.9 | 28.1 | 22.9 | 16.3 | 12.7 |
| Average temperature (°C) | 7.7 | 10.6 | 11.1 | 15.0 | 18.1 | 21.5 | 25.6 | 24.7 | 21.7 | 16.5 | 10.4 | 7.2 |
| Average night temperature (°C) | 3.7 | 6.4 | 5.8 | 9.4 | 13.3 | 16.2 | 20.0 | 19.8 | 16.6 | 11.4 | 5.7 | 2.8 |
| Absolute minimum temperature (°C) | -2.7 | -4.6 | -4.5 | 1.8 | 5.5 | 10.5 | 16.6 | 16.3 | 12.3 | 4.9 | -3.1 | -3.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.2 | 5.9 | 8.3 | 9.1 | 10.0 | 10.7 | 12.3 | 10.7 | 10.7 | 9.7 | 7.6 | 6.6 |
| Precipitation (mm) | 141 | 108 | 90 | 143 | 67 | 137 | 58 | 82 | 52 | 22 | 48 | 144 |
| Sunny days | 15 | 11 | 17 | 13 | 13 | 13 | 11 | 16 | 18 | 26 | 22 | 20 |
| Rainy days | 16 | 17 | 14 | 17 | 18 | 17 | 20 | 15 | 12 | 5 | 8 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Lake Lanier during the most sunny months:
The largest precipitation sum in Lake Lanier is at