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: Slight Rain

Pressure: 1,016 hPa

Feel like: 23 °C

Temperature: 20°C

Cloud: 76%

Humidity: 89%

Wind: NNE - 5 km/h

Visibility: 1.98 km

Weather forecast

Sat
24 Oct
19°C / 28°C
Fog
Sun
25 Oct
21°C / 27°C
Slight Thunderstorm
Mon
26 Oct
12°C / 24°C
Moderate Drizzle
Tue
27 Oct
7°C / 16°C
Clear Sky
Wed
28 Oct
6°C / 19°C
Drizzle
Hourly forecast today:
08:00 AM
18° / 20°
18° / 20°
Slight Rain
89% 27 km/h
09:00 AM
18° / 20°
18° / 20°
Moderate Drizzle
89% 28 km/h
10:00 AM
18° / 19°
18° / 19°
Moderate Rain
93% 29 km/h
11:00 AM
17° / 19°
17° / 19°
Moderate Rain
93% 28 km/h
12:00 PM
17° / 19°
17° / 19°
Heavy Rain
93% 27 km/h
13:00 PM
17° / 19°
17° / 19°
Moderate Rain
91% 27 km/h
14:00 PM
17° / 19°
17° / 19°
Moderate Rain
91% 24 km/h
15:00 PM
17° / 19°
17° / 19°
Moderate Rain
92% 25 km/h
16:00 PM
18° / 19°
18° / 19°
Moderate Rain
91% 20 km/h
17:00 PM
18° / 19°
18° / 19°
Drizzle
89% 10 km/h
18:00 PM
17° / 20°
17° / 20°
Partly Cloudy
86% 9 km/h

30 Day Averages and Extremes

  • Average high 22.3°C
  • Average low 13.8°C
  • Hottest day 28°C (11 October 2026)
  • Coldest day 0°C (05 November 2026)
  • Average humidity 71.23%
  • Days with precipitation 22 days
  • Highest precipitation 56 mm (22 October 2026)

Yesterday's Data

  • Max: 22°C
  • Min: 17°C
  • Total Precipitation: 42 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 warm weather in Kumamoto, with temperatures between 19ºC to 22ºC (66.2ºF to 71.6ºF), you might consider wearing:
- Cotton or linen fabrics
- Comfortable sandals or sneakers
- Light, breathable socks
- Shorts or lightweight trousers

Temperature

Early
17°C / 22°C
Morning
18°C / 20°C
Afternoon
17°C / 19°C
Evening
18°C / 20°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 450
  • CO 192
  • NH3 0
  • NO2 15
  • O3 47
  • PM10 5
  • PM25 5
  • SO2 1
  • CH4 1,430

Sunrise / Sunset

21:28
08:34