Average annual temperature is 18.8 °C
Absolute maximum temperature: 46.6 °C
Absolute minimum temperature: -3.1 °C
Number of sunny days: 262 days
Number of rainy days: 103 days
Look at detailed online map of Sīm
* Weather data for Sīm Syria is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 15.5 | 21.7 | 22.8 | 27.0 | 34.2 | 37.5 | 42.0 | 46.6 | 39.4 | 31.4 | 28.6 | 17.6 |
| Average daytime temperature (°C) | 12.2 | 11.6 | 17.7 | 20.6 | 28.0 | 33.3 | 38.8 | 39.4 | 34.4 | 28.1 | 20.3 | 14.8 |
| Average temperature (°C) | 6.8 | 5.9 | 12.6 | 14.8 | 21.3 | 26.3 | 31.2 | 31.5 | 27.0 | 21.6 | 15.1 | 10.0 |
| Average night temperature (°C) | 2.8 | 1.0 | 7.8 | 9.4 | 14.1 | 19.3 | 22.9 | 23.5 | 19.6 | 15.4 | 10.1 | 6.1 |
| Absolute minimum temperature (°C) | -1.8 | -3.1 | 1.9 | 2.3 | 8.2 | 15.3 | 19.8 | 21.1 | 16.4 | 12.4 | 2.3 | 1.6 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| 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) | 6.7 | 8.3 | 8.4 | 10.4 | 12.5 | 12.9 | 13.1 | 12.4 | 10.8 | 9.8 | 8.3 | 6.5 |
| Precipitation (mm) | 58 | 62 | 100 | 50 | 10 | 3 | 0 | 1 | 2 | 28 | 98 | 75 |
| Sunny days | 18 | 21 | 15 | 11 | 22 | 25 | 29 | 29 | 28 | 25 | 20 | 19 |
| Rainy days | 13 | 7 | 16 | 19 | 9 | 5 | 2 | 2 | 2 | 6 | 10 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Sīm during the most sunny months:
The largest precipitation sum in Sīm is at