Average annual temperature is 16.5 °C
Absolute maximum temperature: 27.8 °C
Absolute minimum temperature: 8.9 °C
Number of sunny days: 20 days
Number of rainy days: 345 days
Look at detailed online map of Olialavigu
* Weather data for Olialavigu 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) | 24.5 | 27.8 | 24.5 | 24.2 | 24.4 | 23.1 | 23.3 | 22.6 | 24.2 | 24.5 | 25.0 | 24.7 |
| Average daytime temperature (°C) | 22.4 | 22.4 | 22.3 | 22.2 | 21.7 | 21.5 | 21.3 | 21.0 | 21.6 | 22.2 | 22.9 | 23.1 |
| Average temperature (°C) | 16.8 | 16.8 | 16.6 | 16.6 | 16.7 | 16.1 | 16.2 | 16.1 | 16.2 | 16.4 | 16.8 | 17.2 |
| Average night temperature (°C) | 13.0 | 13.7 | 12.8 | 13.0 | 13.6 | 12.8 | 13.1 | 13.2 | 12.8 | 12.9 | 12.9 | 13.7 |
| Absolute minimum temperature (°C) | 11.4 | 11.8 | 10.4 | 10.2 | 12.0 | 9.3 | 9.2 | 9.4 | 9.0 | 8.9 | 10.1 | 11.8 |
| 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 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.4 | 12.3 | 12.1 | 12.0 | 11.8 | 11.8 | 11.8 | 11.9 | 12.1 | 12.2 | 12.4 | 12.5 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.4 | 7.2 | 8.4 | 8.2 | 7.0 | 8.4 | 8.9 | 9.0 | 8.7 | 8.8 | 9.7 | 9.2 |
| Precipitation (mm) | 222 | 269 | 307 | 253 | 260 | 168 | 147 | 191 | 221 | 229 | 232 | 268 |
| Sunny days | 1 | 0 | 2 | 0 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 1 |
| Rainy days | 30 | 28 | 29 | 30 | 30 | 28 | 29 | 29 | 27 | 28 | 27 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Olialavigu is at