Average annual temperature is 14.5 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: -8.7 °C
Number of sunny days: 178 days
Number of rainy days: 184 days
Number of snow days: 3 days
Look at detailed online map of Sylmac
* Weather data for Sylmac 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) | 18.8 | 22.9 | 23.6 | 28.3 | 25.8 | 30.5 | 36.2 | 32.1 | 35.8 | 27.4 | 23.8 | 15.8 |
| Average daytime temperature (°C) | 10.1 | 11.6 | 12.7 | 20.1 | 21.5 | 26.3 | 30.2 | 29.1 | 25.7 | 20.7 | 13.3 | 10.5 |
| Average temperature (°C) | 6.2 | 6.7 | 7.5 | 14.8 | 16.4 | 20.9 | 25.2 | 24.2 | 21.0 | 15.6 | 8.3 | 6.4 |
| Average night temperature (°C) | 3.0 | 2.7 | 2.9 | 10.4 | 11.8 | 16.2 | 21.2 | 20.1 | 17.3 | 11.5 | 4.6 | 3.2 |
| Absolute minimum temperature (°C) | -2.6 | -8.7 | -3.5 | 2.6 | 4.5 | 12.5 | 18.7 | 16.3 | 12.8 | 5.6 | -4.7 | -2.8 |
| 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) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 5.3 | 6.9 | 7.7 | 9.5 | 11.2 | 11.1 | 12.1 | 11.0 | 8.5 | 9.1 | 7.6 | 5.4 |
| Precipitation (mm) | 80 | 69 | 82 | 197 | 36 | 127 | 179 | 72 | 148 | 55 | 63 | 189 |
| Sunny days | 15 | 16 | 15 | 16 | 17 | 13 | 5 | 14 | 13 | 18 | 21 | 15 |
| Rainy days | 16 | 11 | 16 | 14 | 14 | 17 | 26 | 17 | 17 | 13 | 8 | 15 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Sylmac during the most sunny months:
The largest precipitation sum in Sylmac is at