2026 Climate Averages

Weather: Osaka — August

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

👍 Climate Overview

August is a good time to visit Osaka. Hot conditions with temperatures reaching 34°C—stay hydrated and seek shade. Rain is common, so pack an umbrella. Being off-peak, you'll find better deals and fewer crowds.

7.5
GoTripzi Score Great

Based on weather comfort, crowds, prices, and activity options

Avg High

34°C

Avg Low

27°C

Rainy days

12days

Daylight

13.5h

Feels like 40°C / 32°C — humidity makes it feel warmer

Rainfall

163mm

Sunshine

10.1h/day

Humidity

71%

Muggy
Sun Strength

7.4

Very High
Wind

13 km/h (gusts 32)

Is August a good time to visit Osaka?

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

Now

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Feels like --
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Local time

Air Quality

Travel Context

  • Crowds
    Quiet
  • Travel Costs Shoulder Rates

Daylight

Sunrise

05:19

Sunset

18:48

13.5h daylight

Visiting Osaka in August: Pros & Cons

Pros

  • Abundant sunshine for beach and outdoor fun
  • Fewer crowds and better hotel deals

Things to Do in August

Events & Festivals

🎉
Naniwa Yodogawa Fireworks
August Festival

Recommended for This Weather

🌅 Early morning sightseeing (before the heat)
🏛️ Museums & galleries
🍳 Cooking classes & food tours
🎭 Cultural tours & local experiences

Osaka Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 10°C 3°C 7d (48mm) 7.5h
70% Humid
3.7 Moderate
Good
Feb 11°C 3°C 7d (61mm) 7.9h
68% Humid
4.9 Moderate
Good
Mar 16°C 7°C 11d (116mm) 8.2h
67% Humid
6.1 High
Excellent
Apr 21°C 11°C 9d (140mm) 9h
64% Moderate
7.4 Very High
Excellent
May 25°C 16°C 12d (189mm) 8.8h
68% Humid
7.6 Very High
Good
Jun 28°C 21°C 13d (224mm) 8.6h
73% Humid
7.4 Very High
Wet
Jul 32°C 26°C 16d (255mm) 9.2h
75% Muggy
7.3 Very High
Wet
Aug Current 34°C 27°C 12d (163mm) 10.1h
71% Muggy
7.4 Very High
Good
Sep 31°C 24°C 12d (130mm) 8.6h
72% Muggy
5.9 High
Good
Oct 24°C 16°C 11d (143mm) 8h
72% Humid
5 Moderate
Excellent
Nov 19°C 10°C 5d (72mm) 7.9h
72% Humid
4 Moderate
Excellent
Dec 12°C 5°C 5d (36mm) 7.8h
70% Humid
3.6 Moderate
Good

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Your Best MonthJunScore: 9

Where to Stay

See hotels, apartments & rentals around Osaka – live prices from Booking.com, Expedia, Vrbo and more

Osaka

Food capital with neon-lit Dotonbori, street food, Osaka Castle, and vibrant nightlife.

View Full Destination Guide

What to Pack for August

Light, breathable fabrics like cotton and linen are essential. Opt for loose-fitting clothing in light colors to stay cool. A waterproof jacket and shoes are non-negotiable — showers are frequent. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.

Moderate Quiet

🎒Personalized Packing List

Tell us about your trip and we'll create a custom packing list based on the weather.

Your Packing List

📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health

Planning a trip to Osaka?

💰 Off-peak — great deals available now

Frequently Asked Questions

Is August a good time to visit Osaka?
August is typically good for visiting Osaka, with average highs of 34°C and around 12 rainy days. Plan your activities accordingly—outdoor sightseeing is best on dry days, while rainy days are perfect for museums and indoor attractions.
Does it get cold at night in Osaka in August?
Nights stay pleasantly warm in Osaka during August, around 27°C. Light evening wear is sufficient, and outdoor dining is very comfortable. Many locals and visitors enjoy late-night walks and outdoor activities after sunset.
What should I pack for Osaka in August?
With highs of 34°C and lows of 27°C in August, we recommend: Compact umbrella, Waterproof jacket/shell, Lightweight breathable clothes, Sunscreen SPF 30+. Layering is key as temperatures can vary between air-conditioned interiors and outdoors. Comfortable walking shoes are essential for cobblestone streets.
Does it rain a lot in Osaka in August?
Osaka typically sees around 12 rainy days in August. Rain is usually in the form of brief showers rather than all-day downpours, so a compact umbrella is sufficient. Mornings tend to be drier, making them ideal for outdoor sightseeing.
How many hours of daylight are there in Osaka in August?
In August, Osaka gets approximately 13.5 hours of daylight per day. This affects how much sightseeing you can fit in—longer days mean more time for outdoor activities, while shorter days are perfect for cozy museum visits and early dinners.
Is August peak season in Osaka?
No, August is not peak season in Osaka. Expect better value on accommodation, shorter queues at attractions, and fewer tourists at popular spots. This is an excellent time to experience the city like a local and enjoy a more authentic atmosphere.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: Asia/Tokyo)

Last Updated: February 2026