Average annual temperature is 23.8 °C
Absolute maximum temperature: 32.4 °C
Absolute minimum temperature: 15.6 °C
Number of sunny days: 75 days
Number of rainy days: 290 days
Look at detailed online map of Waipahu
* Weather data for Waipahu United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 28.8 | 28.5 | 29.0 | 28.4 | 29.4 | 29.9 | 31.4 | 32.0 | 32.4 | 31.7 | 31.1 | 28.7 |
| Average daytime temperature (°C) | 27.0 | 26.2 | 26.5 | 26.7 | 27.5 | 29.0 | 30.3 | 30.7 | 30.6 | 30.3 | 28.3 | 26.4 |
| Average temperature (°C) | 22.0 | 22.3 | 22.6 | 23.0 | 23.4 | 24.7 | 25.5 | 25.7 | 25.5 | 24.8 | 23.8 | 21.8 |
| Average night temperature (°C) | 18.3 | 19.9 | 19.7 | 20.3 | 20.4 | 21.6 | 21.9 | 22.0 | 21.8 | 20.5 | 20.8 | 18.7 |
| Absolute minimum temperature (°C) | 15.6 | 17.8 | 16.5 | 19.0 | 18.1 | 19.5 | 20.3 | 20.6 | 19.9 | 18.6 | 18.6 | 16.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 11.0 | 11.4 | 12.0 | 12.6 | 13.2 | 13.4 | 13.3 | 12.9 | 12.3 | 11.7 | 11.1 | 10.9 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.3 | 9.3 | 10.0 | 9.9 | 11.3 | 12.3 | 12.0 | 12.0 | 11.1 | 10.5 | 9.2 | 8.7 |
| Precipitation (mm) | 24 | 103 | 77 | 106 | 77 | 39 | 12 | 10 | 21 | 22 | 40 | 36 |
| Sunny days | 12 | 3 | 2 | 0 | 2 | 6 | 11 | 11 | 5 | 8 | 5 | 10 |
| Rainy days | 19 | 25 | 29 | 30 | 29 | 24 | 20 | 20 | 25 | 23 | 25 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Waipahu is at