Yokohama Weather in June

 Season: Summer
 What is the weather like in Yokohama in June? 

The weather of Yokohama in June is quite warm at the beginning, then it gradually turns hot. Precipitation is abundant, and mainly concentrate in the middle and late periods. As a result, daily sunshine duration is shortened to 4 hours on average.

Tourists in the Restaurant in Minato Mirai

Temperature: from Warm to Hot

Average Temperature: 19-25 degrees Celsius (66.2-77 degrees Fahrenheit)

In June, the temperature in Yokohama generally shows an increasing trend. In the early period, the weather is very warm, and even the minimum temperature is above 16 ℃ (60.8 ℉); during the day around noon, the temperature is about 22-26℃ (71.6-78.8℉). Thereafter, the weather gradually becomes hotter and hotter, with the maximum temperature above 26℃ mostly; sometimes, it can reach around 30℃ (86℉).

High Precipitation and Humidity

June is a month with high precipitation, since its middle and late period falls within the Yokohama rainy season. There is an average of 19 rainy days and the monthly average precipitation is as high as 187mm. To be specific, most days feature light and moderate rain, but there may be 2-3 days with heavy rain. In history, there have been rare occasions when the daily rainfall in June exceeded 70 mm. In other words, severe heavy rainstorms hardly hit this city in June.

As a matter of course, Yokohama has a very humid climate in June, with the monthly average humidity of 78%.

Yokohama in Rainy June

Daylight Hours & Sunshine Hours

Sunrise time: 05:08-05:11
Sunset time: 19:23-19:33

The average duration of daylight in June is approximately 14.5 hours, which seems like adequate, but you need to keep in mind that the rainy hours may outrun the time when it doesn’t rain. 

The sunshine duration is very short, only 4 hours per day on average. Therefore, it might be difficult to take nice photos with good light. However, you should pay attention to the UV rays. Although the average index is 6, it can be intense at sunny periods, reaching 7.

Dressing Guide for Yokohama Trip in June

 Clothes 

If you plan to travel in Yokohama in June 2026, it is recommended that you bring more light and quick-drying summer clothes. For example, you can choose T-shirts or dresses, and shorts or thin pants that are made of georgette or linen fabrics. 

Shoes 
Wearing sandals is an optimal choice, since sandals are both suitable for sunny weather and OK to wear on rainy days. What’s more, they are easy to clean. 

Other Necessities

You are advised to bring sunhats and pack some sun-protective clothing because you may get burnt in sunny weather.

What Is Special about Yokohama in June?

Yokohama Port Opening Festival

1. In early June, the Yokohama Port Opening Festival is held in venues like the Yokohama Red Brick Warehouse and the Rinko Park. During the festival, there will be various celebrations. For instance, in the Minato Mirai 21, visitors can experience boat rides on the sea; in the port area, there are fireworks displays and concerts; in addition, there are cultural exhibitions in the Yokohama Port Opening Memorial Hall related to the history of Yokohama’s opening of the port, allowing people to gain a deeper understanding of the city.

2. June is the blooming season of hydrangeas. Places like the Negishi Forest Park and Sankeien Garden are great spots to enjoy the beautiful flowers.

Travel Tips for Yokohama Trip in June

 Pay close attention to weather conditions and prepare an umbrella in your bag.

 During the Yokohama Port Opening Festival, the venue area may be very crowded. If you want to participate, you’d better go early so get a good viewing position.

Due to the hot and rainy weather, mosquitoes will be very active especially in outdoor areas with many plants, so you’re recommended to bring some mosquito repellent patches or insect repellent spray.

Yokohama Weather by Month