What is the weather like in Osaka in January?

Expect temperatures between 1°C and 9°C with 14% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Osaka in January?

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

Who should visit Osaka in January?

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

Osaka Weather in January | 30-Year Forecast

Avg High

9°C

Hottest around day 1

Avg Low

1°C

Coolest around day 24

Rainy Days

0days

14% avg rain chance

Sunshine

8hrs/day

Winter season

Sea Temperature in January

Osaka Bay(大阪湾)

9°C

Monthly Average

Water Feel

🥶Polar Plunge

Consider a wetsuit for extended swimming

Swim Rating

❄️Cold water hazard

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

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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 January a Good Time to Visit Osaka?

👌Good option with minor considerations(57/100)

Short Answer

January brings storm season risk to Osaka. While typical weather is 9°C with 14% 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

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

Peak tourist season

86% of annual peak - expect crowds and high prices

Excellent dry conditions

Only 14% rain probability - ideal for outdoor activities

Cold sea - swimming challenging

9°C sea temperature - Polar Plunge

Good For

🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💼
Business travelers
Climate-controlled meetings unaffected by weather
🌡️
Heat-sensitive visitors
Manageable 8.6°C without oppressive humidity

Who Should Avoid

🏖️
Beach lovers
Sea temperature only 9°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 January averages 9°C with 14% precipitation probability."

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

Frequently Asked Questions: Osaka in January

What are the temperatures in Osaka in January?

Daytime highs average 9°C, nights drop to 1°C. Temperatures remain fairly consistent.

How many rainy days in Osaka in January?

Expect around 0 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Osaka in January?

Warm winter clothing: insulated jacket, boots, gloves.

Is January peak season in Osaka?

This is shoulder season—moderate prices and manageable crowds.

Osaka Weather in January