Kumamoto weather in August
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Kumamoto August weather at a glance
In August, Kumamoto averages 29.2°C, with typical highs of 33.8°C and lows of 25.3°C. The historical average is 16 wet days and 74% humidity.
Kumamoto August temperature & humidity
Kumamoto August rain & wet days
Pack a light rain jacket, waterproof pouch and quick-dry shoes. Keep an indoor stop available between outdoor activities.
What to wear in Kumamoto in August
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. Rain is frequent at roughly 16 days in the month; pack a rain jacket and water-resistant shoes.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 33.8°C
- Morning & eveningLight layer for air-conditioned rooms · average low 25.3°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Kumamoto August sunrise & sunset times
2026 August · Local time (Asia/Tokyo)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-08-01 | 05:31 | 19:16 | 13h 45m |
| 2026-08-15 | 05:40 | 19:03 | 13h 23m |
| 2026-08-31 | 05:51 | 18:44 | 12h 53m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
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Best months to visit Kumamoto
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
August weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Kumamoto weather like in August?
In August, Kumamoto averages 29.2°C, with typical highs of 33.8°C and lows of 25.3°C. The historical average is 16 wet days and 74% humidity. Our weather-comfort rating for this month is challenging.
Does it rain a lot in Kumamoto in August?
There are about 16 wet days in August. Pack a rain jacket and water-resistant shoes.
What should I wear in Kumamoto in August?
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. Rain is frequent at roughly 16 days in the month; pack a rain jacket and water-resistant shoes.
What are the best months to visit Kumamoto?
Recent weather data rates November, December among the more comfortable months.
Where can I check Kumamoto weather in August in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Kumamoto in August?
On 2026-08-15, calculated sunrise is 05:40 and sunset is 19:03 in local time (Asia/Tokyo). Times vary by date and terrain.
Kumamoto weather by month
More Japan destinations in August
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations