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: Moderate Rain

Pressure: 1,015 hPa

Feel like: 23 °C

Temperature: 20°C

Cloud: 94%

Humidity: 91%

Wind: NNE - 6 km/h

Visibility: 7.74 km

Weather forecast

Sat
24 Oct
22°C / 25°C
Overcast
Sun
25 Oct
21°C / 26°C
Slight Thunderstorm
Mon
26 Oct
14°C / 24°C
Slight Rain Showers
Tue
27 Oct
10°C / 20°C
Clear Sky
Wed
28 Oct
10°C / 21°C
Moderate Drizzle
Hourly forecast today:
11:00 AM
19° / 20°
19° / 20°
Moderate Rain
91% 12 km/h
12:00 PM
19° / 20°
19° / 20°
Slight Rain
92% 21 km/h
13:00 PM
19° / 21°
19° / 21°
Moderate Drizzle
92% 27 km/h
14:00 PM
19° / 20°
19° / 20°
Drizzle
93% 25 km/h
15:00 PM
19° / 21°
19° / 21°
Drizzle
92% 19 km/h
16:00 PM
19° / 21°
19° / 21°
Drizzle
91% 9 km/h
17:00 PM
19° / 21°
19° / 21°
Partly Cloudy
91% 10 km/h
18:00 PM
19° / 21°
19° / 21°
Overcast
93% 10 km/h
19:00 PM
19° / 20°
19° / 20°
Mainly Clear
96% 5 km/h
20:00 PM
19° / 20°
19° / 20°
Mainly Clear
96% 7 km/h
21:00 PM
19° / 20°
19° / 20°
Mainly Clear
93% 6 km/h

30 Day Averages and Extremes

  • Average high 22.3°C
  • Average low 14.07°C
  • Hottest day 30°C (23 October 2026)
  • Coldest day 0°C (06 November 2026)
  • Average humidity 72.17%
  • Days with precipitation 25 days
  • Highest precipitation 60 mm (25 October 2026)

Yesterday's Data

  • Max: 21°C
  • Min: 17°C
  • Total Precipitation: 28 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 30ºC (86.0ºF), consider wearing:
- Sleeveless tops or vests
- Lightweight, loose-fitting shorts
- UV-blocking sunglasses
- Ultra-thin, breathable socks

Temperature

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

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 460
  • CO 241
  • NH3 0
  • NO2 16
  • O3 44
  • PM10 3
  • PM25 2
  • SO2 2
  • CH4 1,479

Sunrise / Sunset

21:28
08:34