Average annual temperature is 14.9 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: -8.6 °C
Number of sunny days: 138 days
Number of rainy days: 207 days
Number of snow days: 20 days
Look at detailed online map of Haneda
* Weather data for Haneda Japan is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 14.5 | 15.9 | 21.4 | 26.2 | 30.9 | 31.0 | 35.8 | 37.7 | 36.1 | 25.7 | 25.4 | 17.9 |
| Average daytime temperature (°C) | 6.2 | 7.8 | 14.8 | 18.7 | 21.5 | 25.6 | 30.8 | 34.4 | 29.0 | 20.5 | 15.7 | 10.5 |
| Average temperature (°C) | 2.4 | 3.5 | 8.8 | 12.9 | 16.2 | 21.3 | 26.3 | 29.0 | 24.8 | 15.7 | 11.2 | 6.1 |
| Average night temperature (°C) | -0.7 | 0.4 | 4.5 | 8.6 | 11.8 | 17.9 | 22.7 | 25.0 | 21.7 | 11.8 | 7.9 | 2.9 |
| Absolute minimum temperature (°C) | -8.6 | -2.6 | -1.6 | 2.7 | 4.6 | 13.0 | 18.1 | 23.2 | 13.4 | 7.1 | 0.3 | -3.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.9 | 7.1 | 8.0 | 8.4 | 8.5 | 7.4 | 9.6 | 11.5 | 7.8 | 8.6 | 6.6 | 7.0 |
| Precipitation (mm) | 59 | 64 | 71 | 61 | 139 | 226 | 92 | 61 | 180 | 52 | 122 | 62 |
| Sunny days | 9 | 12 | 16 | 19 | 13 | 9 | 7 | 5 | 4 | 15 | 14 | 15 |
| Rainy days | 9 | 10 | 15 | 11 | 18 | 21 | 24 | 26 | 26 | 16 | 16 | 15 |
| Snow days | 13 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Haneda during the most sunny months:
The largest precipitation sum in Haneda is at