Average annual temperature is 27.5 °C
Absolute maximum temperature: 41.2 °C
Absolute minimum temperature: 15.2 °C
Number of sunny days: 131 days
Number of rainy days: 234 days
Look at detailed online map of Lum Sum
* Weather data for Lum Sum Thailand is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 34.2 | 36.0 | 38.8 | 41.2 | 40.3 | 37.6 | 36.7 | 36.1 | 35.0 | 32.6 | 31.7 | 32.8 |
| Average daytime temperature (°C) | 29.8 | 32.6 | 34.8 | 38.0 | 37.5 | 33.7 | 32.5 | 33.5 | 31.1 | 30.4 | 29.7 | 30.7 |
| Average temperature (°C) | 24.3 | 26.7 | 28.4 | 30.6 | 30.6 | 28.7 | 27.8 | 28.3 | 27.0 | 26.3 | 25.7 | 25.9 |
| Average night temperature (°C) | 18.5 | 21.2 | 22.3 | 25.0 | 26.0 | 25.2 | 24.8 | 24.7 | 24.2 | 23.5 | 21.9 | 21.1 |
| Absolute minimum temperature (°C) | 15.2 | 18.7 | 19.5 | 22.8 | 24.1 | 24.0 | 23.2 | 23.8 | 23.1 | 22.6 | 17.4 | 17.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.4 | 11.7 | 12.1 | 12.5 | 12.8 | 12.9 | 12.9 | 12.6 | 12.2 | 11.8 | 11.5 | 11.3 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.2 | 10.4 | 10.9 | 10.7 | 10.9 | 7.9 | 7.6 | 8.8 | 6.8 | 8.3 | 9.8 | 10.4 |
| Precipitation (mm) | 3 | 27 | 10 | 65 | 138 | 122 | 145 | 88 | 260 | 323 | 77 | 17 |
| Sunny days | 27 | 20 | 25 | 16 | 4 | 4 | 3 | 0 | 0 | 0 | 13 | 19 |
| Rainy days | 4 | 8 | 6 | 14 | 27 | 26 | 28 | 31 | 30 | 31 | 17 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Lum Sum is at