The highest day temperature in December 2023 was 70°F. The lowest night temperature was 36°F. The average values for day and night temperatures during December were 53.5°F и 49.1°F respectivly.

The average sea surface temperature in December 2023 for Nagasaki was 65.7°F. The maximum and minimum values were 62.6°F and 69.2°F respectively.

Most of the days in December are gloomy but you can also expect sunny days.

Precipitation total in December for Nagasaki is 3.5 in. It makes december one of the least rainy months of the year.

The average wind speed in December is 10.8 mph. It makes December one of the most windy months of the year for Nagasaki.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Nagasaki in December is 5.1 hours.