Average annual temperature is 11.8 °C
Absolute maximum temperature: 34.0 °C
Absolute minimum temperature: -19.2 °C
Number of sunny days: 169 days
Number of rainy days: 190 days
Number of snow days: 6 days
Look at detailed online map of Lake Katonah
* Weather data for Lake Katonah 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) | 17.9 | 17.0 | 15.2 | 30.9 | 27.6 | 32.8 | 31.5 | 30.2 | 34.0 | 27.4 | 18.5 | 15.1 |
| Average daytime temperature (°C) | 7.2 | 6.7 | 9.0 | 17.1 | 20.4 | 24.4 | 28.3 | 25.9 | 23.0 | 18.2 | 9.8 | 8.2 |
| Average temperature (°C) | 3.4 | 2.0 | 3.9 | 11.3 | 14.6 | 18.8 | 23.5 | 21.4 | 18.5 | 13.8 | 5.3 | 4.2 |
| Average night temperature (°C) | 0.3 | -2.0 | -0.2 | 6.7 | 9.1 | 14.4 | 19.9 | 17.8 | 15.3 | 10.3 | 1.9 | 1.2 |
| Absolute minimum temperature (°C) | -5.2 | -19.2 | -4.6 | -1.2 | 4.6 | 8.8 | 15.6 | 15.1 | 8.7 | 3.8 | -4.1 | -6.1 |
| 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 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 4.7 | 6.3 | 7.5 | 8.7 | 12.2 | 10.4 | 11.4 | 9.9 | 7.6 | 7.4 | 7.2 | 4.8 |
| Precipitation (mm) | 137 | 46 | 107 | 115 | 48 | 79 | 202 | 100 | 238 | 97 | 60 | 199 |
| Sunny days | 13 | 17 | 14 | 13 | 19 | 8 | 8 | 9 | 12 | 19 | 19 | 18 |
| Rainy days | 17 | 9 | 17 | 17 | 12 | 22 | 23 | 22 | 18 | 12 | 10 | 11 |
| Snow days | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Lake Katonah during the most sunny months:
The largest precipitation sum in Lake Katonah is at