Average annual temperature is 9.6 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: -26.9 °C
Number of sunny days: 197 days
Number of rainy days: 145 days
Number of snow days: 23 days
Look at detailed online map of Cortland (historical)
* Weather data for Cortland (historical) 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) | 4.5 | 8.1 | 12.3 | 27.4 | 31.3 | 31.7 | 33.0 | 37.3 | 35.2 | 30.5 | 17.3 | 12.7 |
| Average daytime temperature (°C) | -1.2 | 1.5 | 5.4 | 14.0 | 23.2 | 28.0 | 27.5 | 28.0 | 24.9 | 15.5 | 7.9 | 5.0 |
| Average temperature (°C) | -5.3 | -4.4 | -0.3 | 7.7 | 16.2 | 21.8 | 21.8 | 22.2 | 19.4 | 11.1 | 3.1 | 1.0 |
| Average night temperature (°C) | -8.6 | -9.0 | -4.5 | 2.9 | 10.3 | 16.1 | 16.4 | 17.5 | 15.1 | 7.6 | -0.5 | -1.6 |
| Absolute minimum temperature (°C) | -26.9 | -25.3 | -17.1 | -5.0 | 0.7 | 7.5 | 11.7 | 12.0 | 9.4 | -5.1 | -12.9 | -8.3 |
| 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) | 9.3 | 10.5 | 11.9 | 13.5 | 14.8 | 15.4 | 15.1 | 14.0 | 12.5 | 11.0 | 9.6 | 8.9 |
| Daylight minimum duration (h) | 8.0 | 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) | 4.2 | 6.5 | 7.2 | 8.3 | 11.3 | 12.6 | 12.4 | 11.3 | 8.8 | 6.8 | 6.4 | 4.5 |
| Precipitation (mm) | 62 | 57 | 61 | 101 | 53 | 40 | 71 | 95 | 153 | 137 | 6 | 40 |
| Sunny days | 18 | 17 | 15 | 12 | 19 | 15 | 12 | 19 | 10 | 15 | 26 | 19 |
| Rainy days | 8 | 5 | 11 | 17 | 12 | 15 | 19 | 12 | 20 | 14 | 3 | 9 |
| Snow days | 5 | 6 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 3 |
The best time to visit Cortland (historical) during the most sunny months:
Months with the longest average daylight duration in Cortland (historical):
The largest precipitation sum in Cortland (historical) is at