Average annual temperature is 26.9 °C
Absolute maximum temperature: 31.7 °C
Absolute minimum temperature: 22.9 °C
Number of sunny days: 5 days
Number of rainy days: 360 days
Look at detailed online map of Lessau
* Weather data for Lessau Papua New Guinea is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 30.5 | 30.6 | 31.6 | 31.3 | 31.2 | 31.6 | 31.0 | 31.4 | 31.5 | 31.7 | 31.6 | 31.4 |
| Average daytime temperature (°C) | 29.2 | 28.8 | 29.4 | 29.4 | 29.5 | 29.1 | 29.4 | 29.5 | 29.6 | 30.0 | 30.0 | 30.0 |
| Average temperature (°C) | 26.9 | 26.8 | 26.8 | 26.8 | 27.0 | 26.4 | 26.6 | 26.9 | 26.7 | 26.8 | 27.1 | 27.4 |
| Average night temperature (°C) | 24.8 | 24.8 | 24.7 | 25.1 | 25.0 | 24.5 | 24.7 | 24.9 | 24.7 | 24.6 | 24.8 | 25.3 |
| Absolute minimum temperature (°C) | 23.1 | 23.6 | 23.5 | 23.5 | 23.9 | 23.0 | 22.9 | 22.9 | 23.0 | 23.4 | 23.8 | 24.0 |
| 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) | 12.2 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.2 | 12.2 | 12.2 |
| 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) | 9.3 | 7.5 | 8.6 | 8.5 | 7.9 | 8.9 | 9.1 | 9.3 | 9.0 | 9.3 | 9.9 | 9.4 |
| Precipitation (mm) | 239 | 393 | 307 | 310 | 449 | 345 | 330 | 163 | 220 | 232 | 296 | 263 |
| Sunny days | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
| Rainy days | 31 | 27 | 30 | 30 | 30 | 30 | 31 | 30 | 29 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Lessau is at