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Osaka, Japan · Temperate oceanic

Osaka in July: go or not?

Mixed period. Osaka in July: 5.1/10.

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 34.69°N · 135.50°E
⚡ This month's verdict
Why not
Osaka · July
5.1
24–31°
Temperature
38%
Rain
6h
Sun
🌊 Seaside☀️ Bright🍴 Gastronomy
Photo : Redd Francisco via Unsplash
The month in detail

What to expect in July

In the height of summer, Osaka sees high temperatures (31°C). Heat is a factor for outdoor activities. Expect rain on 38% of days — a light raincoat in the bag is recommended.

July ranks 7 out of 12 months in Osaka. Compared to June: +4°C daytime, +0.8h of sun per day.

This month's conditions

What it's like in July

UV index
7 · high
sunscreen and hat advised
Feels like
very humid
23°
Sea
28°C
warm, ideal
Daylight
14.1h of daylight
Air quality
fair
AQI 42
Compare

Is July the right month?

The best month in Osaka is May (8.0/10), 2.9 pts higher than July.

See May →See all 12 months →
Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Osaka

GetYourGuide selection · free cancellation

See all →
Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach holiday.

Country · Japan

🗣️LanguageJapanese
💶CurrencyYen japonais (¥)
🚗DrivingLeft-hand
🛡️Safety ⓘSafe · 2/5
💰Cost of living ⓘModerate · 3/5

🌡️ Climate

🌍Climate typeTemperate oceanic
📈Climate trend ⓘ+1.45°C/decade
🔥Hottest monthAugust · 33°C
❄️Coolest monthJanuary · 9°C
🌧️Rainiest month ⓘJuly · 38%

🏖️ Beach holiday

📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
Location

Where is Osaka ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Japan
Temperate oceanic climate with a 8.0 → 4.2 gap between best and worst month. 10 years of ERA5 data to choose by project.
34.69°N · 135.50°E
Questions

Frequently asked questions

What is the best time to visit Osaka?
May is the best month with 23.0°C highs, 15.0°C lows, 6.6h of sunshine and 29.0% rainy days. The months of May & June offer comparable conditions.
How many hours of sunshine does Osaka get in May?
Osaka averages 6.6 sunshine hours per day in May. It is the sunniest month with a climate score of 7.4/10.
What is the rainiest month in Osaka?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Osaka in May?
In May, overnight lows reach 15.0°C, while afternoon highs average 23.0°C.
Is Osaka good in winter?
In winter (December-February), Osaka scores 4.1/10 on average — Difficult period — prefer the peak season.. The best month overall remains May with a score of 7.4/10.
When should you avoid Osaka?
January is the most difficult month to visit Osaka, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Osaka in July?
In July, the sea averages 28°C in Osaka: warm, ideal. Ideal conditions for swimming and snorkeling.
Do you need sun protection in Osaka in July?
The average UV index reaches 7 in July in Osaka (high), with about 14.1h of daylight. Sunscreen and hat advised.