Kumamoto, Japan Weather

Kumamoto,  Weather
(Photo by Sora Sagano on Unsplash)

Current conditions

Updated:
24°C
75.2°F
°C °F

Condition: Clear Sky

Pressure: 1,012 hPa

Feel like: 27 °C

Temperature: 24°C

Cloud: 13%

Humidity: 77%

Wind: WNW - 3 km/h

Visibility: 17.6 km

Weather forecast

Sun
25 Oct
20°C / 26°C
Heavy Rain
Mon
26 Oct
14°C / 23°C
Overcast
Tue
27 Oct
10°C / 20°C
Clear Sky
Wed
28 Oct
8°C / 21°C
Drizzle Dense Intensity
Thu
29 Oct
15°C / 20°C
Drizzle
Hourly forecast today:
13:00 PM
20° / 24°
20° / 24°
Clear Sky
77% 11 km/h
14:00 PM
19° / 23°
19° / 23°
Clear Sky
79% 10 km/h
15:00 PM
19° / 23°
19° / 23°
Mainly Clear
80% 13 km/h
16:00 PM
19° / 22°
19° / 22°
Overcast
81% 12 km/h
17:00 PM
19° / 22°
19° / 22°
Overcast
81% 10 km/h
18:00 PM
18° / 22°
18° / 22°
Overcast
79% 12 km/h
19:00 PM
18° / 22°
18° / 22°
Overcast
78% 11 km/h
20:00 PM
19° / 23°
19° / 23°
Overcast
78% 10 km/h
21:00 PM
19° / 23°
19° / 23°
Partly Cloudy
81% 8 km/h
22:00 PM
20° / 22°
20° / 22°
Partly Cloudy
84% 8 km/h
23:00 PM
20° / 23°
20° / 23°
Partly Cloudy
81% 11 km/h

30 Day Averages and Extremes

  • Average high 23.03°C
  • Average low 14.5°C
  • Hottest day 28°C (11 October 2026)
  • Coldest day 0°C (07 November 2026)
  • Average humidity 74.07%
  • Days with precipitation 25 days
  • Highest precipitation 66 mm (25 October 2026)

Yesterday's Data

  • Max: 28°C
  • Min: 20°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

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 28ºC (82.4ºF), consider wearing:
- Sunscreen for skin protection
- Breathable shorts or skirts
- Loose and airy fabrics like linen or cotton
- Wide-brimmed sun hat

Temperature

Early
20°C / 26°C
Morning
21°C / 26°C
Afternoon
19°C / 23°C
Evening
19°C / 23°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 464
  • CO 183
  • NH3 0
  • NO2 18
  • O3 17
  • PM10 10
  • PM25 9
  • SO2 3
  • CH4 1,551

Sunrise / Sunset

21:28
08:33