Average annual temperature is 23.3 °C
Absolute maximum temperature: 30.6 °C
Absolute minimum temperature: 19.4 °C
Number of sunny days: 3 days
Number of rainy days: 362 days
Look at detailed online map of West Sepik Province
* Weather data for West Sepik Province 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) | 29.3 | 30.1 | 29.6 | 29.2 | 29.7 | 29.9 | 29.6 | 29.8 | 29.9 | 30.6 | 30.1 | 30.2 |
| Average daytime temperature (°C) | 27.5 | 27.3 | 28.0 | 26.7 | 27.5 | 27.5 | 27.6 | 27.6 | 27.7 | 28.1 | 28.2 | 27.4 |
| Average temperature (°C) | 23.3 | 23.2 | 23.3 | 23.0 | 23.6 | 23.3 | 23.3 | 23.1 | 23.3 | 23.4 | 23.6 | 23.4 |
| Average night temperature (°C) | 20.8 | 20.9 | 20.7 | 20.7 | 21.1 | 20.6 | 20.7 | 20.2 | 20.5 | 20.6 | 20.9 | 21.1 |
| Absolute minimum temperature (°C) | 19.6 | 20.2 | 19.9 | 20.1 | 20.5 | 19.4 | 19.5 | 19.5 | 19.5 | 19.5 | 20.0 | 20.4 |
| 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) | 7.3 | 5.9 | 7.0 | 6.1 | 6.5 | 7.5 | 8.2 | 8.7 | 8.0 | 7.9 | 8.0 | 5.8 |
| Precipitation (mm) | 300 | 303 | 309 | 449 | 351 | 229 | 234 | 308 | 257 | 309 | 302 | 475 |
| Sunny days | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 |
| Rainy days | 31 | 28 | 31 | 30 | 31 | 29 | 29 | 31 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in West Sepik Province is at