Average annual temperature is 10.3 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: -21.0 °C
Number of sunny days: 137 days
Number of rainy days: 200 days
Number of snow days: 28 days
Look at detailed online map of Niagara County
* Weather data for Niagara County 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) | 8.0 | 15.9 | 12.9 | 28.1 | 30.5 | 30.9 | 32.3 | 28.0 | 31.7 | 29.4 | 15.3 | 14.6 |
| Average daytime temperature (°C) | 2.8 | 5.3 | 5.7 | 15.7 | 19.8 | 24.1 | 27.1 | 24.4 | 23.3 | 16.4 | 8.4 | 6.8 |
| Average temperature (°C) | 0.0 | -0.4 | 1.1 | 9.1 | 13.3 | 18.7 | 22.1 | 19.8 | 17.9 | 12.8 | 4.5 | 3.7 |
| Average night temperature (°C) | -2.3 | -5.0 | -2.5 | 4.0 | 7.5 | 13.9 | 17.8 | 16.1 | 13.7 | 9.9 | 1.1 | 1.1 |
| Absolute minimum temperature (°C) | -11.0 | -21.0 | -16.0 | -5.1 | -0.1 | 8.7 | 13.9 | 10.2 | 7.1 | 0.4 | -5.2 | -6.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.3 | 15.0 | 13.9 | 12.5 | 11.0 | 9.7 | 9.0 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 2.3 | 5.9 | 6.1 | 8.7 | 11.5 | 10.9 | 11.6 | 10.3 | 9.5 | 5.6 | 5.6 | 2.5 |
| Precipitation (mm) | 112 | 72 | 96 | 120 | 43 | 116 | 171 | 111 | 16 | 74 | 61 | 102 |
| Sunny days | 6 | 11 | 12 | 11 | 21 | 12 | 8 | 9 | 16 | 10 | 10 | 11 |
| Rainy days | 15 | 10 | 13 | 19 | 10 | 18 | 23 | 22 | 14 | 21 | 17 | 18 |
| Snow days | 10 | 7 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 |
The best time to visit Niagara County during the most sunny months:
Months with the longest average daylight duration in Niagara County:
The largest precipitation sum in Niagara County is at