Average annual temperature is 18.1 °C
Absolute maximum temperature: 40.1 °C
Absolute minimum temperature: -3.7 °C
Number of sunny days: 201 days
Number of rainy days: 164 days
Look at detailed online map of Sylvan Hills
* Weather data for Sylvan Hills 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) | 21.7 | 24.6 | 25.6 | 29.1 | 31.5 | 38.1 | 37.7 | 40.1 | 38.8 | 33.5 | 27.2 | 19.4 |
| Average daytime temperature (°C) | 13.7 | 15.5 | 17.7 | 22.1 | 27.7 | 33.1 | 34.0 | 34.6 | 31.6 | 24.5 | 17.1 | 13.7 |
| Average temperature (°C) | 8.8 | 9.7 | 12.3 | 16.2 | 21.8 | 26.7 | 28.1 | 28.7 | 25.3 | 19.1 | 11.7 | 8.7 |
| Average night temperature (°C) | 5.3 | 5.7 | 7.7 | 11.5 | 16.7 | 21.3 | 23.6 | 23.8 | 20.0 | 14.8 | 7.6 | 5.1 |
| Absolute minimum temperature (°C) | -3.6 | -3.7 | -3.3 | 6.0 | 8.5 | 17.7 | 18.5 | 18.4 | 15.1 | 0.9 | -0.4 | -1.2 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.2 | 6.0 | 7.8 | 8.2 | 11.3 | 12.5 | 11.2 | 11.4 | 10.5 | 7.8 | 7.9 | 7.1 |
| Precipitation (mm) | 150 | 118 | 219 | 142 | 62 | 62 | 120 | 67 | 27 | 160 | 44 | 73 |
| Sunny days | 15 | 12 | 14 | 14 | 16 | 15 | 13 | 18 | 22 | 17 | 23 | 22 |
| Rainy days | 16 | 16 | 17 | 16 | 15 | 15 | 18 | 13 | 8 | 14 | 7 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Sylvan Hills during the most sunny months:
The largest precipitation sum in Sylvan Hills is at