Average annual temperature is 26.8 °C
Absolute maximum temperature: 31.8 °C
Absolute minimum temperature: 23.7 °C
Number of sunny days: 54 days
Number of rainy days: 311 days
Look at detailed online map of Sepi
* Weather data for Sepi 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) | 31.8 | 31.5 | 30.9 | 30.6 | 28.6 | 28.0 | 28.3 | 27.1 | 28.0 | 29.4 | 30.4 | 31.7 |
| Average daytime temperature (°C) | 29.8 | 29.5 | 29.1 | 28.6 | 27.5 | 27.2 | 27.0 | 26.4 | 26.8 | 27.5 | 29.0 | 30.4 |
| Average temperature (°C) | 27.6 | 27.2 | 27.2 | 27.0 | 26.5 | 26.4 | 26.1 | 25.3 | 25.7 | 26.3 | 27.4 | 28.1 |
| Average night temperature (°C) | 25.9 | 25.7 | 25.7 | 25.6 | 25.4 | 25.5 | 25.3 | 24.5 | 24.8 | 25.3 | 26.2 | 26.4 |
| Absolute minimum temperature (°C) | 25.0 | 24.9 | 24.5 | 24.6 | 24.4 | 23.7 | 24.2 | 23.8 | 23.9 | 24.3 | 25.0 | 25.1 |
| 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) | 12.5 | 12.4 | 12.1 | 11.9 | 11.7 | 11.6 | 11.7 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 |
| 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) | 9.0 | 9.0 | 9.4 | 8.6 | 6.7 | 9.4 | 9.2 | 10.2 | 9.2 | 9.6 | 11.0 | 10.4 |
| Precipitation (mm) | 222 | 249 | 214 | 402 | 546 | 162 | 97 | 32 | 44 | 129 | 50 | 215 |
| Sunny days | 5 | 0 | 0 | 0 | 1 | 6 | 6 | 8 | 10 | 9 | 9 | 0 |
| Rainy days | 26 | 28 | 31 | 30 | 30 | 24 | 25 | 23 | 20 | 22 | 21 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sepi is at