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:
19°C
66.2°F
°C °F

Condition: Drizzle

Pressure: 1,006 hPa

Feel like: 22 °C

Temperature: 19°C

Cloud: 87%

Humidity: 94%

Wind: NNE - 5 km/h

Visibility: 1.84 km

Weather forecast

Tue
23 Jun
20°C / 22°C
Heavy Rain
Wed
24 Jun
20°C / 26°C
Thunderstorm With Slight
Thu
25 Jun
21°C / 28°C
Drizzle
Fri
26 Jun
19°C / 25°C
Overcast
Sat
27 Jun
19°C / 28°C
Overcast
Hourly forecast today:
17:00 PM
18° / 19°
18° / 19°
Drizzle
94% 10 km/h
18:00 PM
18° / 19°
18° / 19°
Moderate Drizzle
94% 12 km/h
19:00 PM
18° / 19°
18° / 19°
Slight Rain
92% 13 km/h
20:00 PM
18° / 19°
18° / 19°
Moderate Rain
94% 13 km/h
21:00 PM
18° / 19°
18° / 19°
Moderate Rain
92% 14 km/h
22:00 PM
17° / 19°
17° / 19°
Moderate Rain
92% 12 km/h
23:00 PM
18° / 19°
18° / 19°
Moderate Rain
92% 13 km/h
00:00 AM
18° / 19°
18° / 19°
Slight Rain
93% 15 km/h
01:00 AM
18° / 19°
18° / 19°
Slight Rain
92% 13 km/h
02:00 AM
18° / 19°
18° / 19°
Moderate Rain
93% 9 km/h
03:00 AM
18° / 19°
18° / 19°
Moderate Rain
94% 12 km/h

30 Day Averages and Extremes

  • Average high 25.27°C
  • Average low 19.63°C
  • Hottest day 32°C (05 July 2026)
  • Coldest day 0°C (06 July 2026)
  • Average humidity 78.83%
  • Days with precipitation 26 days
  • Highest precipitation 98 mm (22 June 2026)

Yesterday's Data

  • Max: 24°C
  • Min: 20°C
  • Total Precipitation: 9 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:
- Sun hat or cap
- T-shirt or short-sleeve blouse
- Shorts or lightweight trousers
- Sunscreen (if spending time outdoors)

Temperature

Early
19°C / 23°C
Morning
20°C / 21°C
Afternoon
19°C / 20°C
Evening
18°C / 19°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 485
  • CO 311
  • NH3 0
  • NO2 16
  • O3 28
  • PM10 7
  • PM25 7
  • SO2 2
  • CH4 1,889

Sunrise / Sunset

20:10
10:28