Average annual temperature is 26.4 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: 22.4 °C
Number of sunny days: 1 day
Number of rainy days: 364 days
Look at detailed online map of Onei
* Weather data for Onei 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) | 31.7 | 31.7 | 32.1 | 31.5 | 32.5 | 31.9 | 32.0 | 32.2 | 32.1 | 33.2 | 32.7 | 32.7 |
| Average daytime temperature (°C) | 29.8 | 29.4 | 30.3 | 29.6 | 30.0 | 29.7 | 30.1 | 30.2 | 30.3 | 31.2 | 30.9 | 30.3 |
| Average temperature (°C) | 26.2 | 26.1 | 26.3 | 26.2 | 26.6 | 26.2 | 26.2 | 26.3 | 26.3 | 26.8 | 26.7 | 26.6 |
| Average night temperature (°C) | 23.7 | 23.8 | 23.8 | 24.0 | 24.4 | 23.9 | 23.6 | 23.5 | 23.6 | 23.8 | 23.9 | 24.2 |
| Absolute minimum temperature (°C) | 22.6 | 23.0 | 22.7 | 23.1 | 23.1 | 23.0 | 22.8 | 22.4 | 22.4 | 22.5 | 22.8 | 23.2 |
| 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 | 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.2 | 12.3 | 12.3 |
| Daylight minimum 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 |
| Sunshine mean duration (h) | 8.4 | 6.5 | 8.6 | 7.5 | 7.9 | 8.7 | 8.9 | 9.3 | 8.9 | 9.2 | 9.6 | 8.2 |
| Precipitation (mm) | 447 | 583 | 391 | 541 | 421 | 368 | 445 | 364 | 394 | 358 | 408 | 621 |
| Sunny days | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Rainy days | 31 | 28 | 30 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Onei is at