Average annual temperature is 12.8 °C
Absolute maximum temperature: 33.3 °C
Absolute minimum temperature: -9.3 °C
Number of sunny days: 166 days
Number of rainy days: 187 days
Number of snow days: 12 days
Look at detailed online map of Flatiron
* Weather data for Flatiron 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) | 16.2 | 22.5 | 23.3 | 28.0 | 30.3 | 33.3 | 33.3 | 32.3 | 33.1 | 27.9 | 20.6 | 16.4 |
| Average daytime temperature (°C) | 7.7 | 11.9 | 11.6 | 18.4 | 22.3 | 26.4 | 29.7 | 28.1 | 25.6 | 18.8 | 12.1 | 9.1 |
| Average temperature (°C) | 3.5 | 5.0 | 5.4 | 11.9 | 15.9 | 20.3 | 23.9 | 22.3 | 19.7 | 13.8 | 6.6 | 4.9 |
| Average night temperature (°C) | 0.4 | 0.2 | 0.8 | 6.2 | 10.3 | 14.8 | 19.0 | 17.4 | 14.8 | 9.9 | 2.5 | 1.8 |
| Absolute minimum temperature (°C) | -6.7 | -9.3 | -7.7 | 0.0 | 2.3 | 9.5 | 15.3 | 12.7 | 9.0 | 1.8 | -6.9 | -4.9 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 14.7 | 13.7 | 12.5 | 11.2 | 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) | 3.5 | 6.9 | 7.3 | 8.9 | 10.0 | 10.7 | 11.5 | 10.7 | 9.2 | 7.1 | 7.1 | 5.0 |
| Precipitation (mm) | 150 | 68 | 119 | 87 | 82 | 117 | 91 | 82 | 32 | 89 | 43 | 66 |
| Sunny days | 7 | 15 | 15 | 12 | 18 | 12 | 7 | 15 | 17 | 13 | 23 | 12 |
| Rainy days | 19 | 12 | 13 | 18 | 13 | 18 | 24 | 16 | 13 | 18 | 7 | 16 |
| Snow days | 5 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The best time to visit Flatiron during the most sunny months:
The largest precipitation sum in Flatiron is at