What is the weather like in Osaka throughout the year?

Osaka experiences varying weather throughout the year. The warmest month is August with average highs of 32°C. The coolest month is January.

What is the weather like in Osaka in May?

Osaka in May scores 58/100 based on 30 years of climate data. Good option with minor considerations.

Who should visit Osaka in May?

May in Osaka is ideal for: Elderly travelers, Cultural tourists, Business travelers, Heat-sensitive visitors.

Best Time to Visit Osaka | 30-Year Weather Analysis

Why May is the Best Time to Visit Osaka

Is May a Good Time to Visit Osaka?

👌Good option with minor considerations(58/100)

Short Answer

May brings storm season risk to Osaka. While typical weather is 23°C with 30% rain, plan for potential disruptions and secure cancellation-friendly bookings.

Decision Factors

Typhoon season active

Western Pacific zone - expect potential typhoon activity

Vaccinations required

Yellow Fever

Seismically active region

13 earthquakes recorded in this month (30-year data)

Peak tourist season

85% of annual peak - expect crowds and high prices

Ideal temperature range

23.1°C - perfect for sightseeing and outdoor activities

Health precautions needed

Be aware of: Leptospirosis, Hantavirus, Tuberculosis (TB)

Good For

👴
Elderly travelers
Comfortable 23.1°C temperature range with manageable humidity
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💼
Business travelers
Climate-controlled meetings unaffected by weather
🌡️
Heat-sensitive visitors
Manageable 23.1°C without oppressive humidity

Who Should Avoid

💰
Budget travelers
Peak season means premium prices everywhere
💼
Business travelers
Storm season may cause flight disruptions

Warmest

August

32°C avg

Coolest

January

9°C avg

Driest

December

13% rain

Wettest

July

37% rain

Planning Your Trip to Osaka, Japan

Wondering when is the best time to visit Osaka? Based on our analysis of 30 years of NASA satellite weather data, the ideal months to travel to Osaka are May, October, April. During these months, you'll experience optimal temperatures around 23°C with only 30% chance of rain.

The Osaka climate varies throughout the year. August is the hottest month with average highs of 32°C, while January is the coldest at 9°C. If you're planning outdoor activities or sightseeing in Osaka, avoid July when rainfall peaks at 37% probability.

For the best Osaka weather experience, we recommend visiting during December for the driest conditions or the shoulder months of May and October for a perfect balance of weather and fewer crowds.

Osaka Weather by Month: Climate Guide

Click any month to explore detailed daily forecasts for Osaka

🏆 85-100: Excellent👍 70-84: Great👌 55-69: Good🤔 40-54: Fair⚠️ 0-39: Challenging

When to Visit Osaka: Travel Style Guide

Personalized Osaka travel recommendations based on 30-year weather data

Beach Lovers

Warmest weather with ideal sea temperatures for swimming

AugustJulySeptember

Budget Travelers

Shoulder season with good weather and lower prices

JanuaryFebruaryApril

Avoiding Crowds

Fewer tourists with acceptable weather conditions

JanuaryFebruaryMarch

Photography

Best light conditions with clear skies

DecemberNovemberFebruary

Winter Escape

Escape the cold with warmest temperatures

JuneJulyAugust

Honeymoon

Perfect conditions for a romantic getaway

AprilMayJune

Osaka Weather FAQ: Your Questions Answered

What is the best time to visit Osaka?

Based on 30 years of weather data, the best months to visit Osaka are May, October, April. These months offer the optimal combination of pleasant temperatures (23°C avg) and low rainfall (30% chance).

When is the hottest time of year in Osaka?

August is historically the warmest month in Osaka with average highs of 32°C. If you prefer cooler weather, consider visiting in January when temperatures average around 9°C.

When is the rainy season in Osaka?

July typically sees the most rainfall in Osaka with a 37% chance of rain. For the driest conditions, plan your visit in December when rain probability drops to just 13%.

How accurate is the Osaka weather forecast?

Our Osaka climate analysis is based on 30 years of NASA POWER satellite observations (1995-2024), providing highly accurate historical averages. While weather can vary year to year, these long-term patterns are excellent indicators for planning your trip to Osaka.

What should I pack for Osaka?

Packing depends on when you visit. In August (warmest month), pack light summer clothes for 32°C weather. In January (coolest month), bring layers for 9°C temperatures.

Is Osaka good for a destination wedding?

Yes! The best months for an outdoor wedding in Osaka are December (only 13% rain chance) and May for optimal weather conditions. Avoid July when rain probability peaks at 37%.