Average annual temperature is 23.4 °C
Absolute maximum temperature: 30.9 °C
Absolute minimum temperature: 19.3 °C
Number of sunny days: 2 days
Number of rainy days: 363 days
Look at detailed online map of Koupem
* Weather data for Koupem 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) | 29.6 | 29.4 | 30.5 | 29.6 | 30.8 | 29.4 | 29.3 | 29.8 | 29.3 | 30.9 | 29.8 | 30.4 |
| Average daytime temperature (°C) | 27.4 | 26.9 | 27.9 | 27.0 | 27.5 | 27.2 | 27.3 | 27.9 | 27.9 | 27.9 | 28.0 | 27.7 |
| Average temperature (°C) | 23.3 | 23.1 | 23.4 | 23.1 | 23.6 | 23.2 | 23.2 | 23.3 | 23.4 | 23.5 | 23.7 | 23.6 |
| Average night temperature (°C) | 20.8 | 21.0 | 20.7 | 20.8 | 21.3 | 20.9 | 20.9 | 20.5 | 20.7 | 20.8 | 21.2 | 21.4 |
| Absolute minimum temperature (°C) | 19.5 | 20.2 | 19.3 | 20.0 | 20.6 | 19.8 | 20.1 | 19.3 | 19.5 | 19.7 | 20.2 | 20.6 |
| 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 | 12.0 | 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) | 7.0 | 5.8 | 7.8 | 5.5 | 6.9 | 7.2 | 7.9 | 8.8 | 8.5 | 8.0 | 8.4 | 6.5 |
| Precipitation (mm) | 250 | 333 | 294 | 417 | 365 | 222 | 275 | 260 | 243 | 252 | 304 | 445 |
| Sunny days | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Rainy days | 31 | 28 | 31 | 30 | 31 | 29 | 30 | 31 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koupem is at