Kumamoto, Japan Weather

  1. Kumamoto, Japan Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Kumamoto over the next 12 hours
  7. Temperature and possibility of rain in Kumamoto in the coming days
  8. Rainfall in Kumamoto in the coming days
  9. Kumamoto Weather Summary
  10. Weather averages by month
  11. Kumamoto's weather
  12. Frequently asked questions
  13. Comments
Kumamoto, Weather
(Photo by Sora Sagano on Unsplash)

Current conditions

Updated:
18°C
64.4°F
°C °F

Condition: Clear Sky

Pressure: 1,019 hPa

Feel like: 17 °C

Temperature: 18°C

Cloud: 3%

Humidity: 57%

Wind: NW - 7 km/h

Visibility: 43.3 km

Weather forecast

Sat
07 Nov
5°C / 15°C
Overcast
Sun
08 Nov
9°C / 13°C
Moderate Drizzle
Mon
09 Nov
7°C / 16°C
Overcast
Tue
10 Nov
6°C / 18°C
Overcast
Wed
11 Nov
4°C / 18°C
Mainly Clear
Hourly forecast today:
08:00 AM
9° / 18°
9° / 18°
Clear Sky
57% 38 km/h
09:00 AM
7° / 16°
7° / 16°
Clear Sky
56% 31 km/h
10:00 AM
6° / 15°
6° / 15°
Clear Sky
56% 25 km/h
11:00 AM
6° / 14°
6° / 14°
Mainly Clear
57% 23 km/h
12:00 PM
6° / 14°
6° / 14°
Mainly Clear
59% 17 km/h
13:00 PM
6° / 13°
6° / 13°
Clear Sky
63% 13 km/h
14:00 PM
7° / 12°
7° / 12°
Clear Sky
74% 9 km/h
15:00 PM
6° / 12°
6° / 12°
Clear Sky
71% 8 km/h
16:00 PM
6° / 11°
6° / 11°
Clear Sky
69% 11 km/h
17:00 PM
5° / 11°
5° / 11°
Clear Sky
69% 19 km/h
18:00 PM
5° / 10°
5° / 10°
Clear Sky
70% 29 km/h

30 Day Averages and Extremes

  • Average high 19.73°C
  • Average low 11.03°C
  • Hottest day 28°C (23 October 2026)
  • Coldest day 4°C (11 November 2026)
  • Average humidity 75.0%
  • Days with precipitation 22 days
  • Highest precipitation 72 mm (29 October 2026)

Yesterday's Data

  • Max: 20°C
  • Min: 12°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Kumamoto over the next 12 hours

Temperature and possibility of rain in Kumamoto in the coming days

Rainfall in Kumamoto in the coming days

Kumamoto Climate Summary

Kumamoto features a Humid subtropical, no dry season (Köppen classification: Cfa), with an average annual temperature of 16.81ºC (62.26ºF), which is about 1.62% higher than the national average for Japan. Annually, the city experiences approximately 86.17 millimeters (3.39 inches) of rainfall, spread across 126.74 rainy days, accounting for 34.72% of the year.

Longitude 32.8032164
Latitude 130.7079369
Yearly high temperature 19.53ºC (67.15ºF)
Yearly low temperature 12.34ºC (54.21ºF)
Hottest month August 30.55ºC (86.99ºF)
Coldest month January 1.81ºC (35.26ºF)
Yearly precip 86.17mm (3.39in)
Days with rainfall 126.74 days (34.72%)
Driest month January (73.06%)
Wettest month June (81.5%)

Weather averages by month

Month High / Low (°C) Rain
January 8.44° / 1.81° 5.82 days
February 10.1° / 2.92° 9.0 days
March 13.61° / 5.7° 10.18 days
April 18.23° / 9.77° 9.18 days
May 23.11° / 14.46° 8.73 days
June 25.18° / 18.59° 16.55 days
July 28.55° / 22.32° 18.73 days
August 30.55° / 23.33° 16.82 days
September 27.19° / 20.15° 12.09 days
October 22.43° / 15.01° 5.82 days
November 16.7° / 9.78° 7.27 days
December 10.29° / 4.19° 6.55 days

Kumamoto's weather

Frequently asked questions

1. What is the hottest month in Kumamoto?

August has the highest average monthly temperature (daily mean of 30.55ºC) and January are the coolest (daily mean of 1.81ºC).

2. What should I wear in Kumamoto today?

For today's mild weather in Kumamoto, with temperatures between 12ºC to 15ºC (53.6ºF to 59.0ºF), consider wearing:
- Long-sleeve shirt or blouse
- Sun hat (if spending time outdoors)
- Cotton socks
- Scarf (optional)

Temperature

Early
12°C / 20°C
Morning
7°C / 16°C
Afternoon
6°C / 12°C
Evening
3°C / 10°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 450
  • CO 244
  • NH3 0
  • NO2 9
  • O3 82
  • PM10 15
  • PM25 10
  • SO2 3
  • CH4 1,433

Sunrise / Sunset

21:39
08:21