Average annual temperature is 24.9 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: 18.9 °C
Number of sunny days: 18 days
Number of rainy days: 347 days
Look at detailed online map of Sion
* Weather data for Sion Indonesia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 29.3 | 28.7 | 29.9 | 30.1 | 31.0 | 31.0 | 32.0 | 32.4 | 32.9 | 34.2 | 33.3 | 30.9 |
| Average daytime temperature (°C) | 27.3 | 26.8 | 27.8 | 28.8 | 29.6 | 29.0 | 29.4 | 30.7 | 30.9 | 32.1 | 29.9 | 28.9 |
| Average temperature (°C) | 24.1 | 23.8 | 24.1 | 24.8 | 25.3 | 24.8 | 25.1 | 25.4 | 25.2 | 25.9 | 25.3 | 25.1 |
| Average night temperature (°C) | 22.2 | 21.9 | 21.6 | 22.3 | 22.6 | 21.8 | 22.1 | 21.9 | 21.4 | 21.4 | 22.6 | 22.7 |
| Absolute minimum temperature (°C) | 21.3 | 20.5 | 20.2 | 21.6 | 21.8 | 19.2 | 20.6 | 21.2 | 18.9 | 19.0 | 21.6 | 21.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.1 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 7.9 | 6.8 | 8.2 | 8.9 | 9.4 | 8.4 | 9.4 | 10.9 | 10.2 | 10.9 | 9.2 | 9.7 |
| Precipitation (mm) | 232 | 268 | 310 | 267 | 234 | 339 | 412 | 125 | 259 | 122 | 324 | 235 |
| Sunny days | 1 | 2 | 0 | 1 | 0 | 0 | 2 | 3 | 6 | 3 | 0 | 0 |
| Rainy days | 30 | 26 | 31 | 29 | 31 | 30 | 29 | 28 | 24 | 28 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sion is at