Yamaguchi Weather in January

Average temperatures, rainfall, sunshine and the best places to visit in Yamaguchi, Japan in January.

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Hagi Shimonoseki Yamaguchi Hofu

Planning a journey to Yamaguchi, Japan this January and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Yamaguchi in January

Yamaguchi, Japan is a region in Japan. January in Yamaguchi generally has cold temperatures, with moderate precipitation. January falls during the winter season.

Temperatures

You can expect cold maximum daytime temperatures of around 10°C (50°F) and nighttime temperatures around 3°C (37°F) in Hagi. On average, January is the coldest month of the year in Yamaguchi, Japan. So be prepared and make sure to pack winter cloths.

For specific regional insights in Yamaguchi, Japan, refer to the map provided below.

Precipitation

In January, precipitation varies across different areas. From moderate rainfall in Shunan with an average of 69 mm (2.7 in) to moderate rainfall in Shimonoseki with 96 mm (3.8 in).

Explore Yamaguchi by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Best Places to Visit in Yamaguchi in January

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

Conditions Temperatures Precipitation
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 Yamaguchi

What is the weather like in January for some of the most popular destinations in Yamaguchi, Japan?

Temperature range in Yamaguchi (January)

Precipitation variation in Yamaguchi (January)

Hagi

In January Hagi generally has low temperatures with maximum daytime temperatures around 10°C (50°F), minimum nighttime temperatures around 3°C (37°F) and moderate monthly rainfall. So on average the conditions are poor that month.

« December
January
February »
December
January
February
Max temperature
13°C (55°F)
10°C (50°F)
11°C (52°F)
Min temperature
5°C (41°F)
3°C (37°F)
3°C (37°F)
Monthly rainfall
84 mm (3.3 in)
85 mm (3.3 in)
93 mm (3.7 in)
Monthly rainy days
20 days
22 days
20 days
Weather conditions
unpleasant
poor
unpleasant
Climate in Hagi →

Shimonoseki

In January Shimonoseki generally has low temperatures with maximum daytime temperatures around 10°C (50°F), minimum nighttime temperatures around 6°C (43°F) and moderate monthly rainfall. So on average the conditions are poor that month.

« December
January
February »
December
January
February
Max temperature
13°C (55°F)
10°C (50°F)
11°C (52°F)
Min temperature
8°C (46°F)
6°C (43°F)
6°C (43°F)
Monthly sun hours
104 hours
104 hours
115 hours
Monthly rainfall
92 mm (3.6 in)
96 mm (3.8 in)
105 mm (4.1 in)
Monthly rainy days
21 days
22 days
20 days
Weather conditions
unpleasant
poor
poor
Climate in Shimonoseki →

Yamaguchi

In January Yamaguchi generally has low temperatures with maximum daytime temperatures around 10°C (50°F), minimum nighttime temperatures around 2°C (36°F) and moderate monthly rainfall. So on average the conditions are poor that month.

« December
January
February »
December
January
February
Max temperature
13°C (55°F)
10°C (50°F)
11°C (52°F)
Min temperature
4°C (39°F)
2°C (36°F)
3°C (37°F)
Monthly sun hours
104 hours
104 hours
115 hours
Monthly rainfall
71 mm (2.8 in)
71 mm (2.8 in)
87 mm (3.4 in)
Monthly rainy days
20 days
22 days
20 days
Weather conditions
unpleasant
poor
unpleasant
Climate in Yamaguchi →

Hofu

In January Hofu generally has low temperatures with maximum daytime temperatures around 10°C (50°F), minimum nighttime temperatures around 4°C (39°F) and moderate monthly rainfall. So on average the conditions are poor that month.

« December
January
February »
December
January
February
Max temperature
13°C (55°F)
10°C (50°F)
11°C (52°F)
Min temperature
6°C (43°F)
4°C (39°F)
4°C (39°F)
Monthly sun hours
104 hours
104 hours
115 hours
Monthly rainfall
73 mm (2.9 in)
72 mm (2.8 in)
90 mm (3.5 in)
Monthly rainy days
20 days
22 days
20 days
Weather conditions
unpleasant
poor
unpleasant
Climate in Hofu →

Shunan

In January Shunan generally has low temperatures with maximum daytime temperatures around 10°C (50°F), minimum nighttime temperatures around 4°C (39°F) and moderate monthly rainfall. So on average the conditions are poor that month.

« December
January
February »
December
January
February
Max temperature
13°C (55°F)
10°C (50°F)
11°C (52°F)
Min temperature
6°C (43°F)
4°C (39°F)
4°C (39°F)
Monthly rainfall
74 mm (2.9 in)
69 mm (2.7 in)
90 mm (3.5 in)
Monthly rainy days
19 days
21 days
19 days
Weather conditions
unpleasant
poor
unpleasant
Climate in Shunan →

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

In our records: Japan January extremes

Notable January records observed across cities in Japan in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the coldest January daytime high in Japan was -15°C (5°F) in Mount Fuji on January 18, 2004.

Popular cities in January

Day & night temperatures, rainfall and average weather in Yamaguchi in January.

City Weather Day temp Night temp Rainfall
Hagi 10°C (50°F) 3°C (37°F) 85 mm (3.3 in)
Shimonoseki 10°C (50°F) 6°C (43°F) 96 mm (3.8 in)
Yamaguchi 10°C (50°F) 2°C (36°F) 71 mm (2.8 in)
Hofu 10°C (50°F) 4°C (39°F) 72 mm (2.8 in)
Shunan 10°C (50°F) 4°C (39°F) 69 mm (2.7 in)
Nagato 11°C (52°F) 4°C (39°F) 85 mm (3.3 in)

Yamaguchi weather in January: frequently asked questions

What is the weather like in Yamaguchi, Japan in January?

January in Yamaguchi, Japan brings poor weather. In Hagi, daytime temperatures are typically around 10°C (50°F) and nighttime lows hover near 3°C (37°F).

What is the average temperature in Yamaguchi, Japan in January?

Daytime temperatures in Hagi peak at roughly 10°C (50°F) in January, dropping to about 3°C (37°F) overnight.

Does Yamaguchi, Japan get a lot of rain in January?

Rain is generally moderate to light in Yamaguchi, Japan during January, with Hagi averaging close to 85 mm (3.3 in).

Is January a Good Time to Visit Yamaguchi, Japan?

In our opinion, January may not be the ideal time to visit Yamaguchi, Japan due to the typically poor weather in Hagi.

Generally speaking, the best visiting conditions can be found in April, May, October and November offering mostly pleasant weather in Hagi. In contrast, January and July tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Yamaguchi.

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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