Month guide · Osaka · Japan
Osaka in August
What August is really like in Osaka: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: Kakidai, CC BY-SA 4.0
Quick answer
August is a month many travellers avoid. Expect average highs of 34°C (93°F), lows of 26°C (79°F), about 7 rainy days and roughly 13.4 hours of daylight. Hot and humid with high heat-stroke risk; plan early mornings, air-conditioned sights and evening food tours.
Key facts
- Average high / low
- 34°C (93°F) / 26°C (79°F)
- Rainy days
- About 7
- Daylight
- About 13.4 hours
- Crowds
- Busy
- Hotel prices
- High
Weather in August
August is the warmest month in Osaka: days average 34°C (93°F) against a yearly average high of 21°C (70°F), and nights fall to about 26°C (79°F). Rain falls on roughly 7 of its 31 days. Compared with July (32°C (90°F)), August is warmer; by September highs drop to around 30°C (86°F).
- Sunrise (15 August)
- About 05:19
- Sunset (15 August)
- About 18:47
- Daylight
- About 13.4 hours
Summer (June–August). Rainy season in June, then intense heat and humidity; Tenjin Matsuri and fireworks in July and August.
Crowds and prices
On a 1–5 scale, August rates 4 for crowds (the peak is April at 5) and 4 for hotel prices (highest in April). Book accommodation early: August is one of the pricier months.
Events in August
- Naniwa Yodogawa Fireworks (usually August)
- Obon holiday travel peak (mid-August)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in August
With intense heat, plan around indoor sights and keep outdoor time flexible.
Nature · Minoh
Minoo Park and waterfall
A forested valley north of the city, Minoo Park has an easy riverside trail of about 3 km from Minoo Station to a 33-metre waterfall.
- Time needed
- 2–3 hours
- Cost
- Free
- Free
- Nature
- Outdoors
- Active
- Off the beaten path
Market · Namba
Kuromon Market
Prices are high for street food; compare a few stalls, and go mid-morning when everything is fresh.
- Time needed
- 1 hour
- Cost
- Mid-priced
- Food
- Rainy day
- Shopping
Aquarium · Bay Area
Osaka Aquarium Kaiyukan
One of the world's largest public aquariums follows the Pacific Ring of Fire through 15 tanks, spiralling down around a central tank nine metres deep where whale sharks and manta rays swim.
- Time needed
- 2–3 hours
- Cost
- Mid-priced
- Kids
- Rainy day
- Nature
Viewpoint · Tennoji
Abeno Harukas 300
Clear winter days give the longest views; the department store below has a large food hall.
- Time needed
- 1 hour
- Cost
- Mid-priced
- Views
- After dark
- Rainy day
- Couples
What to pack
For highs near 34°C, lows near 26°C and 7 wet days: light, breathable clothes, a sun hat and high-factor sunscreen; a packable rain jacket for showers; comfortable walking shoes.
Is August a good time to visit Osaka?
A month many travellers avoid, with 2 notable events on the calendar. If your dates are flexible, March–May and October–November are better overall. Compare every month.
Osaka in other months
Questions travellers ask
+Is August a good time to visit Osaka?
It is a month many travellers avoid. Hot and humid with high heat-stroke risk; plan early mornings, air-conditioned sights and evening food tours.
+How warm is Osaka in August?
Average highs are around 34°C (93°F) and lows around 26°C (79°F).
+Does it rain a lot in Osaka in August?
Expect rain on about 7 days of the month.