Average annual temperature is 12.7 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: -10.0 °C
Number of sunny days: 158 days
Number of rainy days: 194 days
Number of snow days: 13 days
Look at detailed online map of Gahanna
* Weather data for Gahanna 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) | 16.6 | 21.1 | 22.4 | 26.3 | 28.8 | 33.5 | 32.6 | 32.3 | 32.5 | 28.0 | 20.1 | 15.5 |
| Average daytime temperature (°C) | 6.9 | 11.3 | 11.1 | 17.8 | 22.2 | 26.1 | 28.9 | 27.6 | 24.9 | 18.5 | 11.5 | 8.6 |
| Average temperature (°C) | 2.9 | 4.4 | 5.0 | 11.7 | 16.4 | 20.5 | 23.6 | 22.2 | 19.7 | 13.8 | 6.2 | 4.8 |
| Average night temperature (°C) | -0.1 | 0.1 | 0.7 | 6.3 | 11.2 | 15.3 | 19.1 | 17.6 | 15.2 | 10.1 | 2.4 | 2.1 |
| Absolute minimum temperature (°C) | -8.0 | -10.0 | -7.4 | 0.3 | 3.1 | 10.1 | 15.5 | 11.4 | 10.3 | 0.2 | -7.1 | -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 | 15.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.4 | 7.0 | 7.1 | 9.0 | 10.2 | 10.3 | 11.7 | 10.7 | 9.3 | 7.1 | 7.1 | 4.6 |
| Precipitation (mm) | 134 | 50 | 141 | 108 | 98 | 116 | 137 | 115 | 40 | 76 | 42 | 72 |
| Sunny days | 5 | 16 | 11 | 13 | 19 | 13 | 5 | 14 | 16 | 13 | 22 | 11 |
| Rainy days | 19 | 12 | 16 | 17 | 12 | 17 | 26 | 17 | 14 | 18 | 7 | 19 |
| Snow days | 7 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Gahanna during the most sunny months:
The largest precipitation sum in Gahanna is at