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:
32°C
89.6°F
°C °F

Condition: Moderate Drizzle

Pressure: 1,003 hPa

Feel like: 41 °C

Temperature: 32°C

Cloud: 48%

Humidity: 75%

Wind: SE - 1 km/h

Visibility: 4.86 km

Weather forecast

Wed
05 Aug
28°C / 34°C
Drizzle
Thu
06 Aug
29°C / 33°C
Overcast
Fri
07 Aug
27°C / 35°C
Drizzle
Sat
08 Aug
26°C / 34°C
Moderate Drizzle
Sun
09 Aug
25°C / 32°C
Slight Thunderstorm
Hourly forecast today:
08:00 AM
27° / 32°
27° / 32°
Moderate Drizzle
75% 22 km/h
09:00 AM
28° / 32°
28° / 32°
Drizzle
77% 21 km/h
10:00 AM
26° / 31°
26° / 31°
Drizzle
75% 20 km/h
11:00 AM
24° / 30°
24° / 30°
Mainly Clear
69% 12 km/h
12:00 PM
24° / 30°
24° / 30°
Mainly Clear
70% 16 km/h
13:00 PM
24° / 29°
24° / 29°
Mainly Clear
72% 22 km/h
14:00 PM
23° / 29°
23° / 29°
Mainly Clear
72% 26 km/h
15:00 PM
23° / 28°
23° / 28°
Clear Sky
74% 27 km/h
16:00 PM
23° / 28°
23° / 28°
Mainly Clear
74% 23 km/h
17:00 PM
23° / 28°
23° / 28°
Mainly Clear
75% 24 km/h
18:00 PM
23° / 28°
23° / 28°
Mainly Clear
76% 25 km/h

30 Day Averages and Extremes

  • Average high 32.9°C
  • Average low 25.13°C
  • Hottest day 38°C (02 August 2026)
  • Coldest day 23°C (30 July 2026)
  • Average humidity 74.27%
  • Days with precipitation 29 days
  • Highest precipitation 40 mm (10 August 2026)

Yesterday's Data

  • Max: 35°C
  • Min: 27°C
  • Total Precipitation: 2 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 36ºC (96.8ºF), consider wearing:
- Sleeveless tops or vests
- Ultra-thin, breathable socks
- UV-blocking sunglasses
- Lightweight, loose-fitting shorts

Temperature

Early
25°C / 35°C
Morning
28°C / 32°C
Afternoon
23°C / 28°C
Evening
23°C / 27°C

Air quality

Moderate

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

  • CO2 442
  • CO 160
  • NH3 0
  • NO2 1
  • O3 111
  • PM10 11
  • PM25 10
  • SO2 13
  • CH4 1,431

Sunrise / Sunset

20:33
10:12