Average annual temperature is 12.3 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: -9.7 °C
Number of sunny days: 191 days
Number of rainy days: 169 days
Number of snow days: 5 days
Look at detailed online map of Deerfield
* Weather data for Deerfield 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) | 17.2 | 22.6 | 23.2 | 27.6 | 26.3 | 29.7 | 34.2 | 33.5 | 34.0 | 27.2 | 22.3 | 16.7 |
| Average daytime temperature (°C) | 8.4 | 12.0 | 12.5 | 19.8 | 21.0 | 24.6 | 29.9 | 28.6 | 25.2 | 19.4 | 12.5 | 9.8 |
| Average temperature (°C) | 3.6 | 5.8 | 5.8 | 12.2 | 14.9 | 18.2 | 23.1 | 22.1 | 18.5 | 13.2 | 5.8 | 4.2 |
| Average night temperature (°C) | 0.0 | 0.6 | 0.6 | 5.4 | 9.3 | 12.0 | 16.8 | 16.7 | 12.8 | 8.1 | 0.8 | 0.3 |
| Absolute minimum temperature (°C) | -5.9 | -9.7 | -9.3 | -1.8 | -0.9 | 6.0 | 12.0 | 9.0 | 7.5 | -0.6 | -6.9 | -6.0 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| 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) | 5.5 | 7.1 | 8.0 | 9.9 | 10.2 | 10.5 | 12.5 | 10.8 | 9.5 | 9.0 | 7.9 | 5.7 |
| Precipitation (mm) | 54 | 105 | 62 | 95 | 40 | 72 | 62 | 47 | 58 | 25 | 52 | 81 |
| Sunny days | 12 | 14 | 16 | 16 | 14 | 14 | 10 | 15 | 17 | 21 | 25 | 17 |
| Rainy days | 17 | 14 | 13 | 14 | 17 | 16 | 21 | 16 | 13 | 10 | 5 | 13 |
| Snow days | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Deerfield during the most sunny months:
The largest precipitation sum in Deerfield is at