Yokohama Weather in August

 Season: Summer
 What is the weather like in Yokohama in August?
Yokohama weather in August is very hot. However, days with severe heat scarcely occur. The precipitation is a little frequent but mainly in form of light rain. Typhoon may occur, accompanied by heavy rainstorms.

Yokohama in Hot August

August: The Hottest Month in Yokohama

Average temperature: 25-30 degrees Celsius (77-86 degrees Fahrenheit).

As the hottest month in Yokohama, August’s maximum temperature is generally at 32-35℃ (89.6-95℉). There may be a few days with the highest temperature reaching 37 ℃ (98.6℉). Although there is rare severe heat in the month, yet with the monthly average humidity as high as 76%, the perceived temperature is much higher. As a result, you are easy to feel sticky in this muggy climate.

However, the temperature in the early morning and at night is cool, averaging 22-26℃ (71.6-78.8℉). Besides, when it rains, the temperature can drop by 3-5℃ (37.4-41℉). 

Precipitation & Typhoons

There are 16 days of rainy weather on average in Yokohama in August, with the monthly average precipitation of 121mm, which consists of light rain mostly and a few heavy rainfalls.

The typhoon is particularly active in August. Due to the impact of the typhoon, followed by heavy rainstorm, some attractions like the Giant Ferris Wheel in the Yokohama Cosmo World may be closed; and trains and other public transport may also be suspended.

Daylight Hours & Sunshine Hours

Sunrise time: 05: 30 - 05: 51
Sunset time: 18: 46 - 19: 19

Yokohama has an average daylength of 13.5 hours in August, which is long enough for daily tour. The average sunshine duration is 7 hours per day, which brings both advantages and disadvantages to travel. On the one hand, you can benefit from high visibility brought by the bright sunlight; for example, sitting in the Yokohama Air Cabin or standing on a high point like the top floor of the Yokohama Landmark Tower, you can enjoy a clear panoramic view of the city. On the other hand, you may get sunburnt if staying outside for long, especially around noon. For a better travel experience, you’re recommended to start your day early, so when it gets hotter around noon, you can have a rest indoors.

What to Wear and Bring for Yokohama Trip in August

 Clothes

In August, the clothing is better to be breathable and easy-to-dry since you may sweat a lot in hot weather. Clothes like short-sleeved shirt, shorts, summer pants, and skirt are optimal choices. To protect you from the sun burn, you’d better bring a sun protection suit. 

Besides, you should bring a thin coat to cope with the dropped temperature after rain or at cool night.

 Shoes
You can wear casual sneakers or canvas shoes, which are comfortable for walking. Sandals are OK if you like.

 Others
The UV rays are strong, so you should pack some items like the hat, sunglasses, and sunscreen to protect yourself. Umbrella and rain coat are necessities in reserve for a rainy day during the trip.

Top Events in Yokohama in August 

1. Japanese celebrate Obon Festival in mid-August, during which various events are held. In Yokohama, the Minato Mirai area is particularly lively, featuring “Minatomirai Bon Odori”, a traditional Japanese dance performed around a stage. Although Bon Odori dance was originally performed to comfort the deceased and ancestors, it has become rather lively nowadays, with lanterns, vendors, fireworks, game stalls, etc., creating a strong festive atmosphere.

2. August is usually the month for summer fireworks shows in Yokohama. Rinko Park, Yamashita Park, and the area near the Red Brick Warehouse are all great places to watch them.

3. Yokohama holds Pokémon-related events almost every August. The most interesting of these is Pikachu Outbreak, when a large number of Pikachu mascots gather in the Yokohama Minato Mirai area to perform dance performances and interact with tourists, providing fans with immersive experience.

4. In August of some years, there is a ritual and ceremony named “Kanteitan” held in Yokohama Chinatown to celebrate the birth of Guan Yu, a Chinese historical figure and now revered as a deity that brings peace, business success, and various protections. After the ceremony, you can watch Chinese cultural performances such as dragon and lion dances and Peking opera. The exact is 24th day of the sixth lunar month, which is August 6th in 2026. 

Lion Dance in Yokohama Chinatown

Summer Fireworks in Yamashita Park

Tips for Yokohama Trip in August

 August is the summer vacation, which is the peak tourist season in Yokohama. Coupled with the locals’ long holiday around the Obon Festival, Yokohama can be very crowded. Therefore, you’d better make your travel plans wisely, including but not limited to booking flights and hotels in advance.

 If you plan to travel to Yokohama in August 2026, be sure to pay close attention to the weather forecast to avoid extreme weather like typhoon.

Yokohama Weather by Month