30YearWeather
Tokyo in August
Tokyo weather in August - Japan
☀️Hot & Sunny

Tokyo Weather in August

Plan your August trip to Tokyo, Japan. Based on 30 years of NASA data, expect temperatures of 31°C (high) to 24°C (low), with 28% rain probability and 8 hours of daily sunshine. The Pacific Ocean averages 29°C in August. Pack rain gear for around 21 rainy days.

Avg High
31°C

Hottest around day 4

Avg Low
24°C

Coolest around day 31

Rainy Days
21days

28% avg rain chance

Sunshine
8hrs/day

Summer season

Sea Temperature in August

Pacific Ocean(太平洋)

28.7°C

Monthly Average

Water Feel
🌴Tropical

Perfect for swimming and water sports

Swim Rating
Excellent for swimming

Based on average sea surface temperature

Body of Water
Pacific Ocean

太平洋

Tokyo coastline

Tokyo August Weather Calendar

Click any day to see detailed weather information

Currency

JPY

¥ Japanese yen

Language

Japanese

Driving

Left side

Connect

Getting a SIM card in Japan requires jum...

Safety

Very High Safety

GPI: 1.336

Travel Intelligence

Exclusive flight analytics & health data for Tokyo

Smart Flight Estimator

Airport-to-Airport Logistics

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Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Major Hub
99/ 100
Traffic Index

Extremely busy airport

Peak Daily Arrivals

0

slots per day

Peak

Aug

Low

Nov

Monthly Traffic Distribution

693
Jan
697
Feb
704
Mar
638
Apr
613
May
959
Jun
958
Jul
976
Aug
968
Sep
972
Oct
279
Nov
950
Dec
Traffic Level
Low Season

Key Connections

Fukuoka (FUK)
Chitose / Tomakomai New Chitose (CTS)
Naha (OKA)
Osaka (ITM)
Kagoshima (KOJ)

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 August a Good Time to Visit Tokyo?

🤔Come prepared and you'll have a good time
Short Answer

Storm season alert for Tokyo in August: beyond the 31°C, 28% rain averages, hurricane risk requires travel insurance and schedule flexibility.

Decision Factors

Typhoon season active

Western Pacific zone - expect potential typhoon activity

Oppressive heat and humidity

30.6°C with 80% humidity - challenging conditions

Vaccinations required

Yellow Fever

Feels significantly hotter than 30.6°C

Heat index: 40°C due to 80% humidity

Warm tropical seas

28.7°C sea temperature - Tropical Bath

Seismically active region

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

Good For

  • 🏖️
    Beach lovers

    28.7°C warm seas and 28% rain probability

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

  • 👨‍👩‍👧‍👦
    Families with children

    40°C heat index dangerous for children

  • 👴
    Elderly travelers

    Heat index of 40°C poses health risks

  • 💼
    Business travelers

    Storm season may cause flight disruptions

930 observations30-year historical data
Confidence: 99%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Tokyo in August averages 31°C with 28% precipitation probability."

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

Frequently Asked Questions: Tokyo in August

What are the temperatures in Tokyo in August?

Daytime highs average 31°C, nights drop to 24°C. Temperatures remain fairly consistent.

How many rainy days in Tokyo in August?

Expect around 21 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Tokyo in August?

Light, breathable fabrics. Don't forget sunglasses and a hat.

Is August peak season in Tokyo?

This is shoulder season—moderate prices and manageable crowds.