What is the weather like in Hakone in August?

Expect temperatures between 24°C and 29°C with 34% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Hakone in August?

Hakone in August scores 56/100 based on 30 years of climate data. A reasonable choice for your trip.

Who should visit Hakone in August?

August in Hakone is ideal for: Business travelers.

Hakone Weather in August | 30-Year Forecast

Avg High

29°C

Hottest around day 3

Avg Low

24°C

Coolest around day 31

Rainy Days

30days

34% avg rain chance

Sunshine

8hrs/day

Summer season

Essential Travel Info for Hakone

🗓️ 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 Hakone

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Major Hub

85/ 100

Traffic Index

Extremely busy airport

Peak Daily Arrivals

slots per day

Peak

Mar

Low

Jul

Monthly Traffic Distribution

687

Jan

692

Feb

695

Mar

636

Apr

631

May

548

Jun

483

Jul

624

Aug

624

Sep

624

Oct

624

Nov

624

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 Hakone?

👌A reasonable choice for your trip(56/100)

Short Answer

Hakone's August delivers on its reputation: 29°C, 34% rain, 10h sunshine. The trade-off? Peak crowds and prices at 90% capacity.

Decision Factors

Oppressive heat and humidity

29.1°C with 85% humidity - challenging conditions

Vaccinations required

Yellow Fever

Feels significantly hotter than 29.1°C

Heat index: 36°C due to 85% humidity

Seismically active region

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

Peak tourist season

90% of annual peak - expect crowds and peak prices

Near active volcano: Mount Fuji

High volcanic risk

Good For

💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

💰
Budget travelers
Peak season means premium prices everywhere
👴
Elderly travelers
Heat index of 36°C poses health risks
🌡️
Heat-sensitive visitors
36°C feels-like temperature creates discomfort

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Hakone in August averages 29°C with 34% precipitation probability."

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

Frequently Asked Questions: Hakone in August

What are the temperatures in Hakone in August?

Daytime highs average 29°C, nights drop to 24°C. Temperatures remain fairly consistent.

How many rainy days in Hakone in August?

Expect around 30 days with measurable rainfall. An umbrella is advisable.

What to wear in Hakone in August?

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

Is August peak season in Hakone?

This is shoulder season—moderate prices and manageable crowds.

Hakone Weather in August

Hakone August Weather Calendar