Average annual temperature is 26.8 °C
Absolute maximum temperature: 29.5 °C
Absolute minimum temperature: 23.5 °C
Number of sunny days: 24 days
Number of rainy days: 341 days
Look at detailed online map of Onenoa
* Weather data for Onenoa American Samoa is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 28.7 | 28.8 | 29.1 | 29.5 | 28.8 | 28.6 | 28.5 | 28.2 | 27.9 | 27.9 | 29.3 | 28.6 |
| Average daytime temperature (°C) | 27.6 | 27.8 | 28.1 | 28.1 | 28.0 | 27.8 | 27.5 | 27.5 | 27.0 | 27.1 | 28.0 | 27.7 |
| Average temperature (°C) | 26.5 | 26.7 | 27.0 | 26.9 | 26.9 | 26.9 | 26.7 | 26.9 | 26.4 | 26.4 | 27.2 | 26.8 |
| Average night temperature (°C) | 25.3 | 25.3 | 26.0 | 25.6 | 25.7 | 25.9 | 25.8 | 26.1 | 25.6 | 25.6 | 26.1 | 25.8 |
| Absolute minimum temperature (°C) | 24.1 | 23.5 | 24.5 | 24.3 | 23.6 | 24.0 | 24.4 | 24.7 | 23.6 | 24.1 | 24.9 | 24.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum 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 |
| Daylight mean duration (h) | 12.9 | 12.6 | 12.2 | 11.8 | 11.5 | 11.3 | 11.4 | 11.6 | 12.0 | 12.4 | 12.8 | 12.9 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 9.2 | 8.9 | 9.5 | 9.5 | 8.9 | 9.6 | 9.6 | 10.4 | 10.9 | 11.1 | 11.5 | 9.3 |
| Precipitation (mm) | 394 | 332 | 300 | 310 | 380 | 331 | 140 | 48 | 76 | 192 | 135 | 427 |
| Sunny days | 2 | 0 | 2 | 0 | 1 | 2 | 5 | 6 | 2 | 2 | 1 | 1 |
| Rainy days | 29 | 28 | 29 | 30 | 30 | 28 | 26 | 25 | 28 | 29 | 29 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Onenoa is at