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:
20°C
68.0°F
°C °F

Condition: Drizzle

Pressure: 1,016 hPa

Feel like: 23 °C

Temperature: 20°C

Cloud: 62%

Humidity: 98%

Wind: ESE - 3 km/h

Visibility: 32.62 km

Weather forecast

Sun
11 Oct
19°C / 26°C
Moderate Drizzle
Mon
12 Oct
18°C / 26°C
Slight Rain Showers
Tue
13 Oct
14°C / 24°C
Drizzle
Wed
14 Oct
11°C / 23°C
Overcast
Thu
15 Oct
14°C / 23°C
Overcast
Hourly forecast today:
10:00 AM
19° / 20°
19° / 20°
Drizzle
98% 12 km/h
11:00 AM
19° / 19°
19° / 19°
Partly Cloudy
99% 15 km/h
12:00 PM
19° / 20°
19° / 20°
Partly Cloudy
96% 14 km/h
13:00 PM
18° / 20°
18° / 20°
Partly Cloudy
90% 13 km/h
14:00 PM
18° / 20°
18° / 20°
Partly Cloudy
91% 11 km/h
15:00 PM
18° / 19°
18° / 19°
Partly Cloudy
93% 8 km/h
16:00 PM
18° / 19°
18° / 19°
Mainly Clear
91% 6 km/h
17:00 PM
18° / 19°
18° / 19°
Mainly Clear
91% 6 km/h
18:00 PM
18° / 19°
18° / 19°
Partly Cloudy
91% 6 km/h
19:00 PM
18° / 19°
18° / 19°
Drizzle
92% 6 km/h
20:00 PM
18° / 19°
18° / 19°
Overcast
91% 8 km/h

30 Day Averages and Extremes

  • Average high 24.77°C
  • Average low 17.23°C
  • Hottest day 29°C (29 September 2026)
  • Coldest day 11°C (14 October 2026)
  • Average humidity 75.4%
  • Days with precipitation 21 days
  • Highest precipitation 88 mm (26 September 2026)

Yesterday's Data

  • Max: 22°C
  • Min: 19°C
  • Total Precipitation: 10 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 25ºC (77.0ºF), consider wearing:
- UV-protective sunglasses
- Open-toed sandals or light sneakers
- Loose and airy fabrics like linen or cotton
- Lightweight t-shirt or tank top

Temperature

Early
19°C / 21°C
Morning
19°C / 20°C
Afternoon
18°C / 19°C
Evening
18°C / 19°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 444
  • CO 144
  • NH3 0
  • NO2 8
  • O3 68
  • PM10 9
  • PM25 7
  • SO2 5
  • CH4 1,401

Sunrise / Sunset

21:18
08:49