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Weather in Kumamoto for August 2025

Your guide to Kumamoto weather in August - trends and predictions

    Temperatures

  • Until now, August 2025 in Kumamoto is cooler than usual, with temperatures averaging 31.3 °C, this is -2.4 °C below the typical seasonal average.

  • Expect cooler weather in the next days in Kumamoto with the forecast suggesting a temperature of 30.6 °C, lower than the historical average.

  • In general, the average temperature in Kumamoto at the beginning of August is 34.9 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 32 °C by the end of August.

    • Rain 🌧️

  • The climate of Kumamoto in August is notably wet, with an average of 14 rainy days, and a total of 280.8 mm of precipitation.

    • More

  • Is August a good time to visit Kumamoto? check out the best time to travel to Kumamoto page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
17
Dry days
Average rainy days
14
Rainy days
Average snowy days
0
Snow days
Average temperatures
34°/25°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
68 %
Avg humidity

Kumamoto Weather August

Move between months or click on a day
July
September
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
37°
2
Patchy rain possible
36°
3
Partly cloudy
36°
4
Moderate rain at times
36°
5
Moderate or heavy rain shower
35°
6
Patchy rain possible
33°
7
Sunny
31°
8
Sunny
32°
9
Patchy rain possible
30°
10
Sunny
32°
11
Sunny
31°
12
Sunny
33°
13
Patchy rain possible
34°
14
Patchy rain possible
34°
15
Heavy rain at times
35°
16
Moderate or heavy rain shower
35°
17
Partly cloudy
34°
18
Patchy rain possible
34°
19
Moderate or heavy rain shower
33°
20
Patchy rain possible
35°
21
Moderate or heavy rain shower
32°
22
Overcast
33°
23
Patchy rain possible
32°
24
Moderate rain
31°
25
Patchy rain possible
32°
26
Patchy rain possible
31°
27
Patchy rain possible
32°
28
Sunny
32°
29
Sunny
32°
30
Partly cloudy
33°
31
Partly cloudy
32°

Temperatures trend during August in Kumamoto

See the weather trend as well as the moving average line

August weather in Kumamoto day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
1 Aug. Patchy rain possible
Patchy rain possible
 37° /25° 0.3 mm 9
2 Aug. Patchy rain possible
Patchy rain possible
 36° /25° 0.1 mm 9
3 Aug. Partly cloudy
Partly cloudy
 36° /25° 0 mm 9
4 Aug. Moderate rain at times
Moderate rain at times
 36° /26° 2.5 mm 8
5 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
 35° /26° 3.1 mm 8
6 Aug. Patchy rain possible
Patchy rain possible
 33° /25° 2 mm 7
7 Aug. Sunny
Sunny
 31° /24° 15.4 mm 8
8 Aug. Sunny
Sunny
 32° /25° 4.6 mm 8
9 Aug. Patchy rain possible
Patchy rain possible
 30° /24° 24.6 mm 7
10 Aug. Sunny
Sunny
 32° /25° 64.9 mm 8
11 Aug. Sunny
Sunny
 31° /24° 97.7 mm 8
12 Aug. Sunny
Sunny
 33° /24° 2.3 mm 8
13 Aug. Patchy rain possible
Patchy rain possible
 34° /25° 0.6 mm 8
14 Aug. Patchy rain possible
Patchy rain possible
 34° /24° 0.8 mm 8
15 Aug. Heavy rain at times
Heavy rain at times
 35° /25° 0.8 mm 8
16 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
 35° /25° 4.9 mm 8
17 Aug. Partly cloudy
Partly cloudy
 34° /25° 4.4 mm 8
18 Aug. Patchy rain possible
Patchy rain possible
 34° /25° 4.5 mm 8
19 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
 33° /24° 9.2 mm 7
20 Aug. Patchy rain possible
Patchy rain possible
 35° /24° 0.2 mm 8
21 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
 32° /24° 5.9 mm 7
22 Aug. Overcast
Overcast
 33° /26° 0.7 mm 7
23 Aug. Patchy rain possible
Patchy rain possible
 32° /25° 1.2 mm 2.4
24 Aug. Moderate rain
Moderate rain
 31° /25° 5.1 mm 2.3
25 Aug. Patchy rain possible
Patchy rain possible
 32° /25° 1.7 mm 2.4
26 Aug. Patchy rain possible
Patchy rain possible
 31° /25° 3.1 mm 2.5
27 Aug. Patchy rain possible
Patchy rain possible
 32° /24° 0.6 mm 2.6
28 Aug. Sunny
Sunny
 32° /25° 0 mm 7
29 Aug. Sunny
Sunny
 32° /25° 0 mm 7
30 Aug. Partly cloudy
Partly cloudy
 33° /25° 0 mm 7
31 Aug. Partly cloudy
Partly cloudy
 32° /25° 0 mm 7
Next
Important Notice
Our weather forecast for Kumamoto in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Kumamoto forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Kumamoto weather in August vs July vs September

Compare August weather in Kumamoto with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
JulyAugustSeptember
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures32°/24°34°/25°32°/23°
Rainfall210 mm281 mm114 mm
Wind13.2 km/h13.9 km/h11.9 km/h
Humidity73%68%69%
Rainy days17 days14 days5 days
Dry days14 days17 days25 days

Planning a trip to Kumamoto? Discover the best time to visit

Kumamoto in August - FAQ

What are the expected maximum and minimum temperatures in Kumamoto during August?
During August, expect a variety of temperatures with highs around 34° and lows near 25°, suitable for diverse activities and preferences.
How much rainfall should be expected in Kumamoto during August?
Significant rainfall exceeding 280.8 mm is expected in Kumamoto during August, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Kumamoto during August?
The average wind speed in Kumamoto during August is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Kumamoto in August?

As you prepare for your trip to Kumamoto in August, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Kumamoto, during August, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
    • Sandals/Flip-flops: Comfortable for warm climates
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips

August rainfall patterns in Kumamoto

Explore the daily rainfall trends and prepare for Kumamotos August weather 💧

UV exposure in Kumamoto during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Location coordinates Where is Kumamoto?

Get accurate weather forecasts for Kumamoto, located at latitude 32.806 and longitude 130.692. Stay updated with localized weather information tailored for Kumamoto.

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