What is the weather like in Osaka in April?

Expect temperatures between 9°C and 19°C with 27% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Osaka in April?

Osaka in April scores 57/100 based on 30 years of climate data. Good option with minor considerations.

Who should visit Osaka in April?

April in Osaka is ideal for: Families with children, Elderly travelers, Cultural tourists, Business travelers, Heat-sensitive visitors.

Osaka Weather in April | 30-Year Forecast

Avg High

19°C

Hottest around day 30

Avg Low

9°C

Coolest around day 1

Rainy Days

22days

27% avg rain chance

Sunshine

8hrs/day

Spring season

Sea Temperature in April

Osaka Bay(大阪湾)

15.3°C

Monthly Average

Water Feel

💧Refreshing

Consider a wetsuit for extended swimming

Swim Rating

🏄Cool, wetsuits recommended

Based on average sea surface temperature

Body of Water

Osaka Bay

大阪湾

Osaka coastline

Essential Travel Info for Osaka

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

JPY

¥ Japanese yen

Language

Japanese

Driving

Left side

Safety

Very High Safety

GPI: 1.336

Travel Intelligence

Exclusive flight analytics & health data for Osaka

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Moderate

58/ 100

Traffic Index

Balanced traffic

Peak Daily Arrivals

slots per day

Peak

Nov

Low

May

Monthly Traffic Distribution

242

Jan

253

Feb

258

Mar

238

Apr

238

May

270

Jun

273

Jul

275

Aug

263

Sep

263

Oct

280

Nov

254

Dec

Traffic Level

Low Season

Key Connections

Seoul Incheon (ICN)

Taipei Taiwan Taoyuan (TPE)

Shanghai Pudong (PVG)

Hong Kong Chek Lap Kok (HKG)

Naha (OKA)

Health & Safety Advisory

CDC travel health recommendations

8 Recommendations

COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Hepatitis A

Consider hepatitis A vaccination for most travelers. It is recommended for travelers who will be doing higher risk activities, such as visiting smaller cities, villages, or rural areas where a traveler might get infected through food or water. It is recommended for travelers who plan on eating street food.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Japan. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Japan.

Japanese Encephalitis

Recommended for travelers whoAre moving to an area with Japanese encephalitis to liveSpend long periods of time, such as a month or more, in areas with Japanese encephalitisFrequently travel to areas with Japanese encephalitisConsider vaccination for travelersSpending less than a month in areas with Japanese encephalitis but will be doing activities that increase risk of infection, such as visiting rural areas, hiking or camping, or staying in places without air conditioning, screens, or bed netsGoing to areas with Japanese encephalitis who are uncertain of their activities or how long they will be thereNot recommended for travelers planning short-term travel to urban areas or travel to areas with no clear Japanese encephalitis season.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Rabies

Dogs infected with rabies are not commonly found in Japan.If rabies exposures occur while in Japan, rabies vaccines are typically available throughout most of the country.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

+2 more

Source: CDC Travelers' Health

View Complete Health Guide

Is April a Good Time to Visit Osaka?

👌Good option with minor considerations(57/100)

Short Answer

Tropical storm season is active in Osaka during April. Average conditions (19°C, 27% rain) can be interrupted by severe weather. Monitor forecasts closely.

Decision Factors

Typhoon season active

Western Pacific zone - expect potential typhoon activity

Vaccinations required

Yellow Fever

Seismically active region

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

Peak tourist season

85% of annual peak - expect crowds and high prices

Cold sea - swimming challenging

15.3°C sea temperature - Refreshing Tonic

Health precautions needed

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

Good For

👨‍👩‍👧‍👦
Families with children
Comfortable 18.7°C temperatures and low 27% rain risk
👴
Elderly travelers
Comfortable 18.7°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 18.7°C without oppressive humidity

Who Should Avoid

🏖️
Beach lovers
Sea temperature only 15.3°C - too cold for comfortable swimming
💰
Budget travelers
Peak season means premium prices everywhere
💼
Business travelers
Storm season may cause flight disruptions

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Osaka in April averages 19°C with 27% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Osaka in April

What are the temperatures in Osaka in April?

Daytime highs average 19°C, nights drop to 9°C. Temperatures remain fairly consistent.

How many rainy days in Osaka in April?

Expect around 22 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Osaka in April?

Layers are key. A medium-weight jacket and closed-toe shoes.

Is April peak season in Osaka?

This is shoulder season—moderate prices and manageable crowds.

Osaka Weather in April