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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Kumamoto's climate page.
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
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 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
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tolerable
unpleasant
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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 monthWhat To Do in Kumamoto in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Kumamoto's climate page.
Temperature Rainfall Sunshine Humidity
See the full Kumamoto climate overview or explore weather in Japan.
