Average annual temperature is 23.1 °C
Absolute maximum temperature: 31.2 °C
Absolute minimum temperature: 15.2 °C
Number of sunny days: 65 days
Number of rainy days: 300 days
Look at detailed online map of Honolulu County
* Weather data for Honolulu County 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) | 27.9 | 27.1 | 28.3 | 27.7 | 28.1 | 28.6 | 30.1 | 30.1 | 31.2 | 30.9 | 31.0 | 27.3 |
| Average daytime temperature (°C) | 26.4 | 25.1 | 25.9 | 25.7 | 26.4 | 27.6 | 28.8 | 29.1 | 29.3 | 29.4 | 27.4 | 25.3 |
| Average temperature (°C) | 21.6 | 21.7 | 22.0 | 22.3 | 22.8 | 24.0 | 24.5 | 24.8 | 24.7 | 24.3 | 23.2 | 21.2 |
| Average night temperature (°C) | 18.3 | 19.5 | 19.2 | 19.9 | 20.1 | 21.3 | 21.5 | 21.7 | 21.6 | 20.4 | 20.5 | 18.6 |
| Absolute minimum temperature (°C) | 16.3 | 17.2 | 15.2 | 18.6 | 18.3 | 19.8 | 20.1 | 20.2 | 20.1 | 18.1 | 18.2 | 15.3 |
| 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 | 9.2 | 10.0 | 9.8 | 11.2 | 12.3 | 12.0 | 12.0 | 11.1 | 10.4 | 9.1 | 8.6 |
| Precipitation (mm) | 30 | 102 | 95 | 121 | 77 | 37 | 24 | 15 | 25 | 17 | 51 | 48 |
| Sunny days | 12 | 2 | 5 | 0 | 1 | 5 | 3 | 11 | 6 | 7 | 8 | 5 |
| Rainy days | 19 | 26 | 26 | 30 | 30 | 25 | 28 | 20 | 24 | 24 | 22 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Honolulu County is at