Nagasaki Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Nagasaki, Japan in December.

Are you planning a trip a to Nagasaki, Japan in December and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Nagasaki in December

Nagasaki, Japan is a region in Japan. December in Nagasaki generally has mild temperatures, with precipitation levels ranging from moderate to high. It's the height of winter.

Temperatures

You can expect mild maximum daytime temperatures of around 14°C (57°F) and nighttime temperatures around 9°C (48°F) in Nagasaki.

For a closer look at conditions across Nagasaki, Japan, refer to the map below.

Precipitation

In December, precipitation varies across different areas. From moderate rainfall in Sasebo with an average of 79 mm (3.1 in) to high rainfall in Nagasaki with 101 mm (4 in).

Average sunshine

Sunshine levels are moderate in most locations. Nagasaki typically sees 114 hours of sunlight, creating comfortable conditions that aren't too bright or too dim. Looking for something sunnier? Our weather planner helps you discover destinations with more reliable sunshine.

Explore Nagasaki by month

Pick a month to see the average temperature, rainfall and sunshine in Nagasaki — and find the best time to visit. (based on Nagasaki)

Best Places to Visit in Nagasaki in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Nagasaki.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Nagasaki

What is the weather like in December for some of the most popular destinations in Nagasaki, Japan?

Temperature range in Nagasaki (December)

Precipitation variation in Nagasaki (December)

Nagasaki

In December Nagasaki generally has moderate temperatures with maximum daytime temperatures around 14°C (57°F), minimum nighttime temperatures around 9°C (48°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

November
December
January
Max temperature
19°C (66°F)
14°C (57°F)
12°C (54°F)
Min temperature
14°C (57°F)
9°C (48°F)
7°C (45°F)
Monthly sun hours
139 hours
114 hours
104 hours
Monthly rainfall
109 mm (4.3 in)
101 mm (4 in)
91 mm (3.6 in)
Monthly rainy days
15 days
20 days
21 days
Weather conditions

Unzen

In December Unzen generally has moderate temperatures with maximum daytime temperatures around 14°C (57°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

November
December
January
Max temperature
19°C (66°F)
14°C (57°F)
11°C (52°F)
Min temperature
12°C (54°F)
8°C (46°F)
5°C (41°F)
Monthly sun hours
139 hours
114 hours
104 hours
Monthly rainfall
105 mm (4.1 in)
88 mm (3.5 in)
80 mm (3.1 in)
Monthly rainy days
14 days
18 days
19 days
Weather conditions

Sasebo

In December Sasebo generally has moderate temperatures with maximum daytime temperatures around 14°C (57°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

November
December
January
Max temperature
19°C (66°F)
14°C (57°F)
11°C (52°F)
Min temperature
12°C (54°F)
8°C (46°F)
5°C (41°F)
Monthly sun hours
139 hours
114 hours
104 hours
Monthly rainfall
96 mm (3.8 in)
79 mm (3.1 in)
73 mm (2.9 in)
Monthly rainy days
14 days
18 days
19 days
Weather conditions

Hirado

In December Hirado generally has moderate temperatures with maximum daytime temperatures around 14°C (57°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

November
December
January
Max temperature
19°C (66°F)
14°C (57°F)
11°C (52°F)
Min temperature
14°C (57°F)
9°C (48°F)
6°C (43°F)
Monthly rainfall
99 mm (3.9 in)
82 mm (3.2 in)
80 mm (3.1 in)
Monthly rainy days
14 days
18 days
19 days
Weather conditions

Isahaya

In December Isahaya generally has moderate temperatures with maximum daytime temperatures around 14°C (57°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

November
December
January
Max temperature
19°C (66°F)
14°C (57°F)
11°C (52°F)
Min temperature
13°C (55°F)
8°C (46°F)
6°C (43°F)
Monthly sun hours
139 hours
114 hours
104 hours
Monthly rainfall
104 mm (4.1 in)
89 mm (3.5 in)
80 mm (3.1 in)
Monthly rainy days
14 days
19 days
20 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Nagasaki, in Japan.

Popular cities in December

Day & night temperatures, rainfall and average weather in Nagasaki in December.

City Weather Day temp Night temp Rainfall
Nagasaki 14°C (57°F) 9°C (48°F) 101 mm (4 in)
Unzen 14°C (57°F) 8°C (46°F) 88 mm (3.5 in)
Sasebo 14°C (57°F) 8°C (46°F) 79 mm (3.1 in)
Hirado 14°C (57°F) 9°C (48°F) 82 mm (3.2 in)
Isahaya 14°C (57°F) 8°C (46°F) 89 mm (3.5 in)
Omura 13°C (55°F) 8°C (46°F) 83 mm (3.3 in)

Nagasaki weather in December: frequently asked questions

What is the weather like in Nagasaki, Japan in December?

Nagasaki, Japan typically experiences unpleasant weather in December, part of the winter season. Daytime highs in Nagasaki average around 14°C (57°F), and temperatures drop to about 9°C (48°F) at night.

What is the average temperature in Nagasaki, Japan in December?

In Nagasaki, the average daytime high in December is 14°C (57°F), while nighttime temperatures drop to around 9°C (48°F).

Does Nagasaki, Japan get a lot of rain in December?

Yes, December tends to be a wetter month in Nagasaki, Japan. Average rainfall in Nagasaki sits around 101 mm (4 in).

Is December a Good Time to Visit Nagasaki, Japan?

In our view, December might not be the best time to travel to Nagasaki, Japan with often unpleasant weather in Nagasaki.

Generally speaking, the best visiting conditions can be found in October offering mostly pleasant weather in Nagasaki. The weather in February, June, July and August, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Nagasaki.

Weather and climate has detailed information for every country in the world. Are you going to Japan? Get detailed historical weather averages for many cities in Japan.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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