Average annual temperature is 13.4 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: -9.5 °C
Number of sunny days: 122 days
Number of rainy days: 226 days
Number of snow days: 17 days
Look at detailed online map of Nagasaki
* Weather data for Nagasaki 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) | 14.0 | 14.5 | 19.9 | 22.6 | 29.5 | 30.4 | 34.5 | 33.5 | 31.3 | 25.7 | 23.3 | 16.0 |
| Average daytime temperature (°C) | 5.1 | 6.2 | 13.3 | 17.1 | 20.1 | 24.5 | 29.3 | 30.8 | 27.4 | 20.2 | 14.4 | 8.6 |
| Average temperature (°C) | 0.9 | 1.4 | 7.2 | 11.3 | 15.1 | 20.4 | 24.9 | 27.4 | 23.6 | 14.6 | 9.2 | 3.8 |
| Average night temperature (°C) | -2.6 | -2.4 | 2.2 | 6.2 | 10.5 | 17.1 | 21.0 | 24.4 | 20.6 | 10.0 | 5.3 | 0.0 |
| Absolute minimum temperature (°C) | -9.0 | -9.5 | -4.1 | 0.5 | 2.1 | 12.1 | 16.3 | 21.5 | 13.1 | 5.7 | -2.4 | -4.7 |
| 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) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 6.8 | 7.4 | 8.5 | 9.1 | 8.4 | 7.9 | 9.5 | 11.6 | 7.8 | 8.8 | 7.0 | 6.5 |
| Precipitation (mm) | 26 | 62 | 79 | 67 | 141 | 209 | 123 | 89 | 217 | 49 | 81 | 82 |
| Sunny days | 9 | 15 | 19 | 16 | 12 | 3 | 5 | 3 | 4 | 14 | 12 | 10 |
| Rainy days | 10 | 10 | 12 | 14 | 19 | 27 | 26 | 28 | 26 | 17 | 18 | 19 |
| Snow days | 12 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Nagasaki during the most sunny months:
The largest precipitation sum in Nagasaki is at