Osaka weather in August
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Osaka August weather at a glance
In August, Osaka averages 30.2°C, with typical highs of 34.8°C and lows of 26.7°C. The historical average is 14 wet days and 69% humidity.
Osaka August temperature & humidity
Osaka August rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Osaka in August
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. Showers are possible, so a compact umbrella is useful.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 34.8°C
- Morning & eveningLight layer for air-conditioned rooms · average low 26.7°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Osaka August sunrise & sunset times
2026 August · Local time (Asia/Tokyo)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-08-01 | 05:08 | 19:01 | 13h 53m |
| 2026-08-15 | 05:18 | 18:46 | 13h 28m |
| 2026-08-31 | 05:30 | 18:26 | 12h 57m |
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
Osaka travel updates
Today’s weather and forecast
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Forecast · Windy. Monthly averages are in the Temperature section.
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Dotonbori
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Dotonbori, Osaka in August: weather and walking plans
2024–2025 Osaka August averages: 30.2°C, daily highs 34.8°C and lows 26.7°C.
Dotonbori is an outdoor sightseeing and dining area in Minami. Plan shorter walks with indoor breaks, breathable clothing, drinking water and sun protection. Check the hourly forecast and local advisories before heading out instead of assuming the monthly average describes that day.
Dotonbori official visitor guide · Osaka Tourism Bureau summer guide
Looking for Dotonbori August weather trip reports?
Check the visit date and time of day in travel blogs to help plan what to wear.
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Best months to visit Osaka
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 Osaka weather like in August?
In August, Osaka averages 30.2°C, with typical highs of 34.8°C and lows of 26.7°C. The historical average is 14 wet days and 69% humidity. Our weather-comfort rating for this month is challenging.
Does it rain a lot in Osaka in August?
There are about 14 wet days in August. A compact umbrella is still useful.
What should I wear in Osaka in August?
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. Showers are possible, so a compact umbrella is useful.
What are the best months to visit Osaka?
Recent weather data rates April, November, December among the more comfortable months.
Where can I check Osaka 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 Osaka in August?
On 2026-08-15, calculated sunrise is 05:18 and sunset is 18:46 in local time (Asia/Tokyo). Times vary by date and terrain.
Osaka 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