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:
25°C
77.0°F
°C °F

Condition: Drizzle

Pressure: 1,004 hPa

Feel like: 29 °C

Temperature: 25°C

Cloud: 60%

Humidity: 94%

Wind: SW - 11 km/h

Visibility: 2.58 km

Weather forecast

Sun
21 Jun
20°C / 24°C
Slight Thunderstorm
Mon
22 Jun
19°C / 23°C
Slight Thunderstorm
Tue
23 Jun
20°C / 24°C
Thunderstorm With Slight
Wed
24 Jun
22°C / 23°C
Thunderstorm With Slight
Thu
25 Jun
22°C / 25°C
Thunderstorm With Slight
Hourly forecast today:
08:00 AM
24° / 25°
24° / 25°
Drizzle
94% 65 km/h
09:00 AM
24° / 24°
24° / 24°
Drizzle
95% 66 km/h
10:00 AM
23° / 24°
23° / 24°
Slight Rain
95% 64 km/h
11:00 AM
23° / 24°
23° / 24°
Drizzle Dense Intensity
96% 58 km/h
12:00 PM
23° / 24°
23° / 24°
Drizzle
97% 56 km/h
13:00 PM
23° / 24°
23° / 24°
Moderate Rain
97% 56 km/h
14:00 PM
23° / 24°
23° / 24°
Moderate Rain
97% 44 km/h
15:00 PM
23° / 24°
23° / 24°
Slight Rain
98% 32 km/h
16:00 PM
23° / 23°
23° / 23°
Moderate Drizzle
98% 29 km/h
17:00 PM
23° / 23°
23° / 23°
Drizzle
96% 28 km/h
18:00 PM
22° / 23°
22° / 23°
Mainly Clear
94% 29 km/h

30 Day Averages and Extremes

  • Average high 24.87°C
  • Average low 19.47°C
  • Hottest day 29°C (05 June 2026)
  • Coldest day 0°C (03 July 2026)
  • Average humidity 80.37%
  • Days with precipitation 26 days
  • Highest precipitation 92 mm (18 June 2026)

Yesterday's Data

  • Max: 25°C
  • Min: 24°C
  • Total Precipitation: 22 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 very hot weather in Kumamoto, with the high temperatures above 26ºC (78.8ºF), consider wearing:
- Loose and airy fabrics like linen or cotton
- Breathable shorts or skirts
- Sunscreen for skin protection
- Thin, moisture-wicking socks

Temperature

Early
24°C / 25°C
Morning
24°C / 24°C
Afternoon
23°C / 24°C
Evening
21°C / 22°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 444
  • CO 111
  • NH3 0
  • NO2 2
  • O3 44
  • PM10 5
  • PM25 4
  • SO2 1
  • CH4 1,332

Sunrise / Sunset

20:09
10:28