Weather in Nagasaki: January
 |
Average day temperature: | 50.4°F |
| Average night temperature: | 45.4°F | |
 |
Sea water temperature: | 60.6°F |
 |
Number of sunny days: | 9 days |
| Day length: | 10.0 - 10.6 hours | |
 |
Number of rainy days: | 4 days |
| Precipitation totals: | 2.4 in. | |
| more information | ||
forecast
| Nagasaki |
temperature
| Nagasaki |
Air temperature in January, °F
| Day temperature | Night temperature |
The highest day temperature during January of 2025 was 58°F. At the same time the lowest night temperature was 32°F. Daily and nightly averages during January were 48.3°F and 43.3°F.
Sea water temperature in Nagasaki in January, °F
The average sea water temperature in January of 2025 was 60.3°F. The highest and lowest sea temperatures during the month were 62.1°F and 59.0°F.
| Sunny days | |
| Partly cloudy days | |
| Cloudy days |
Mostly all days in January are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in January, in.
Precipitation total value in Nagasaki in January is 2.6 in. It makes january one of the most dry months of the year.
The average wind speed value in January is 10.3 mph It makes January one of the most windy months of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 5.0.
Best time for vacation in Nagasaki
Nagasaki on a weather map
7 mph
6 mph
6 mph
7 mph
7 mph
6 mph
6 mph
6 mph
