Kumamoto
Weather by month
Current

Kumamoto Weather in January

January in Kumamoto averages 11°C (52°F) during the day and 3°C (37°F) at night. With just 85 mm (3.3 in) of rainfall on average, it doesn't get much drier than this.

Rainfall in Kumamoto in January

With the lowest rainfall figures of the year, conditions are ideal for exploring the outdoors, even if the temperatures require a jacket. On average, there are about 18 days with rain during this month, averaging 85 mm (3.3 in). This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.

Temperature in Kumamoto in January

Daytime temperatures in Kumamoto reach 11°C (52°F) in January, dropping to 3°C (37°F) at night. The winter season takes place during January. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. With overnight lows of 3°C (37°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets. The city often sees its mildest temperatures during January.

Sunshine in Kumamoto in January

The month brings about 135 hours of sunlight, offering a comfortable mix of sun and overcast.

If you prefer dry days with pleasant temperatures, October typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Kumamoto Temperature in January

Min Temperature
3°C (37°F)
Max Temperature
11°C (52°F)
Chance of Rain
58%
Precipitation
85 mm (3.3 in)
Rainy days
18 days
Humidity
70%
Sunshine
135 hours
Percentage Sunshine

Kumamoto Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Kumamoto - and find the best time to visit.

Daily Historical Temperatures

51-year average (1976-2026)

Based on our historical records, temperatures in Kumamoto typically stay consistent throughout January, with daily highs averaging around 11°C (52°F). Nights are cold, with lows around 1°C (34°F).

Average temperatures in January

Daily Historical Precipitation

51-year average (1976-2026)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in January

Historical weather records for Kumamoto in January

Browse day-by-day weather records for Kumamoto spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Kumamoto historical weather extremes in January

According to our 49 years of weather records for Kumamoto, the following extremes were recorded between 1976 and 2025.

  • On January 27, 1980, temperatures climbed to 21°C (70°F), marking the warmest January day on record.
  • Kumamoto experienced its chilliest January day on January 24, 2016, reaching only 0°C (32°F).
  • Kumamoto registered its coldest January night on January 26, 1990, with temperatures dropping to -9°C (16°F).
  • The wettest January day on record brought 57 mm (2.2 in) of precipitation to Kumamoto (January 14, 2023).

Best Places in Japan in January

Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in January →

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).

What to Wear in Kumamoto in January

Pack for changing conditions in Kumamoto in January. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Kumamoto in January

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    5/10
  • Cycling
    6/10
  • Walking
    6/10
  • Camping
    4/10
  • Outdoor sports
    6/10

Kumamoto 3-Day Forecast

More climate data for Kumamoto

Popular in January

Where to go in January - average daytime high across popular destinations.

Bucket list

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