Tokyo

Tokyo Prefecture Weather in January

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

Planning a trip to Tokyo Prefecture, Japan this January? Here's what you need to know about the weather:

What to Expect in Tokyo Prefecture in January

Tokyo Prefecture, Japan is a region in Japan. January in Tokyo Prefecture generally has temperatures that range from cold to mild, with precipitation levels ranging from moderate to high. January is a winter month.

Temperatures

During the day the temperature is cold in Okutama at 7°C (45°F) and mild in Oshima at 12°C (54°F). As night falls, temperatures generally drop to 8°C (46°F) in Oshima and -3°C (27°F) in Okutama. Typically, it's the chilliest month of the year. Making it a great time for staying indoors and enjoying the warmth. Make sure you're prepared by packing the right winter outfits.

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

Precipitation

In January, precipitation varies across different areas. From moderate rainfall in Tokyo with an average of 72 mm (2.8 in) to high rainfall in Oshima with 122 mm (4.8 in).

Average sunshine

Most areas see decent amounts of sunshine this month. Tokyo gets around 189 hours of sunlight, providing a pleasant balance of sun and clouds. If you'd prefer more guaranteed sunshine, our weather planner can show you sunnier spots around the world.

Explore Tokyo Prefecture by month

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

Best Places to Visit in Tokyo Prefecture in January

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

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 Tokyo Prefecture

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

Temperature range in Tokyo Prefecture (January)

Precipitation variation in Tokyo Prefecture (January)

Tokyo

In January Tokyo 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
Max temperature
13°C (55°F)
10°C (50°F)
11°C (52°F)
Min temperature
5°C (41°F)
2°C (36°F)
2°C (36°F)
Monthly sun hours
177 hours
189 hours
170 hours
Monthly rainfall
62 mm (2.4 in)
72 mm (2.8 in)
79 mm (3.1 in)
Monthly rainy days
9 days
9 days
12 days
Weather conditions

Hachioji

In January Hachioji generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around -1°C (30°F) and moderate monthly snow/rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
11°C (52°F)
9°C (48°F)
10°C (50°F)
Min temperature
2°C (36°F)
-1°C (30°F)
-1°C (30°F)
Monthly sun hours
185 hours
202 hours
185 hours
Monthly snow/rainfall
73 mm (2.9 in)
83 mm (3.3 in)
95 mm (3.7 in)
Monthly rainy days
7 days
8 days
10 days
Weather conditions

Oshima

In January Oshima generally has moderate temperatures with maximum daytime temperatures around 12°C (54°F), minimum nighttime temperatures around 8°C (46°F) and high monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
15°C (59°F)
12°C (54°F)
13°C (55°F)
Min temperature
11°C (52°F)
8°C (46°F)
8°C (46°F)
Monthly rainfall
107 mm (4.2 in)
122 mm (4.8 in)
140 mm (5.5 in)
Monthly rainy days
12 days
15 days
16 days
Weather conditions

Tachikawa

In January Tachikawa generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around -1°C (30°F) and moderate monthly snow/rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
12°C (54°F)
9°C (48°F)
10°C (50°F)
Min temperature
2°C (36°F)
-1°C (30°F)
0°C (32°F)
Monthly sun hours
185 hours
202 hours
185 hours
Monthly snow/rainfall
67 mm (2.6 in)
77 mm (3 in)
86 mm (3.4 in)
Monthly rainy days
7 days
8 days
10 days
Weather conditions

Machida

In January Machida generally has low temperatures with maximum daytime temperatures around 10°C (50°F), minimum nighttime temperatures around 1°C (34°F) and moderate monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
12°C (54°F)
10°C (50°F)
11°C (52°F)
Min temperature
4°C (39°F)
1°C (34°F)
1°C (34°F)
Monthly sun hours
182 hours
185 hours
165 hours
Monthly rainfall
69 mm (2.7 in)
79 mm (3.1 in)
91 mm (3.6 in)
Monthly rainy days
9 days
9 days
11 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Tokyo Prefecture, 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 Tokyo Prefecture in January.

City Weather Day temp Night temp Rainfall
Tokyo 10°C (50°F) 2°C (36°F) 72 mm (2.8 in)
Hachioji 9°C (48°F) -1°C (30°F) 83 mm (3.3 in)
Oshima 12°C (54°F) 8°C (46°F) 122 mm (4.8 in)
Tachikawa 9°C (48°F) -1°C (30°F) 77 mm (3 in)
Machida 10°C (50°F) 1°C (34°F) 79 mm (3.1 in)
Fuchu 10°C (50°F) 0°C (32°F) 76 mm (3 in)

Tokyo Prefecture weather in January: frequently asked questions

What is the weather like in Tokyo Prefecture, Japan in January?

Tokyo Prefecture, Japan typically experiences poor weather in January, part of the winter season. Daytime highs in Tokyo average around 10°C (50°F), and temperatures drop to about 2°C (36°F) at night.

What is the average temperature in Tokyo Prefecture, Japan in January?

Average temperatures in Tokyo Prefecture, Japan during January range from a nighttime low near 2°C (36°F) to a daytime high around 10°C (50°F) in Tokyo.

Does Tokyo Prefecture, Japan get a lot of rain in January?

January is on the drier side in Tokyo Prefecture, Japan. Tokyo averages only about 72 mm (2.8 in), with most days staying dry.

Is January a Good Time to Visit Tokyo Prefecture, Japan?

Given the typically poor weather conditions in Tokyo, January may not be the ideal time to visit Tokyo Prefecture, Japan.

Generally speaking, the best visiting conditions can be found in May, June and November offering mostly pleasant weather in Tokyo. On the other hand, the month of January tends to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Tokyo Prefecture.

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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.