Average annual temperature is 25.3 °C
Absolute maximum temperature: 31.6 °C
Absolute minimum temperature: 21.3 °C
Number of sunny days: 6 days
Number of rainy days: 359 days
Look at detailed online map of Old Kamasau
* Weather data for Old Kamasau 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) | 30.7 | 30.0 | 30.3 | 30.2 | 30.7 | 29.5 | 30.1 | 31.1 | 31.4 | 31.6 | 31.4 | 31.1 |
| Average daytime temperature (°C) | 28.0 | 27.7 | 28.4 | 27.9 | 28.2 | 27.8 | 28.6 | 29.3 | 29.5 | 29.1 | 29.5 | 29.2 |
| Average temperature (°C) | 25.2 | 24.9 | 25.3 | 25.0 | 25.3 | 25.0 | 25.2 | 25.4 | 25.7 | 25.4 | 25.5 | 25.3 |
| Average night temperature (°C) | 23.0 | 22.6 | 22.8 | 22.8 | 23.1 | 22.9 | 22.9 | 22.8 | 23.1 | 22.8 | 22.9 | 22.9 |
| Absolute minimum temperature (°C) | 21.3 | 21.4 | 21.7 | 21.6 | 22.2 | 21.3 | 21.5 | 21.4 | 21.7 | 21.8 | 21.8 | 22.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.3 | 12.2 | 12.1 | 12.0 | 11.9 | 11.9 | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.3 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.9 | 6.4 | 7.9 | 7.4 | 7.9 | 8.5 | 9.3 | 9.8 | 9.6 | 9.4 | 9.8 | 8.1 |
| Precipitation (mm) | 218 | 461 | 238 | 305 | 329 | 233 | 217 | 152 | 160 | 254 | 265 | 367 |
| Sunny days | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 2 | 1 | 0 | 0 | 0 |
| Rainy days | 31 | 27 | 31 | 30 | 30 | 30 | 30 | 29 | 29 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Old Kamasau is at