Researched guide · Checked on Nov 5, 2026
June in Tokyo is the rainy season (tsuyu), with warm, humid days and frequent showers. In return, hydrangeas and irises bloom, and it is a quieter month with no public holidays. Here is the weather, what’s on in June, and how to plan around the rain.
Quick answer
Weather: average high 26°C (79°F), low 18°C (64°F), and 168 mm (6.6 in) of rain. The rainy season usually starts in early June.
Flowers: hydrangeas and irises, for example at Showa Kinen Park, Kiyosumi Gardens and the Inner Garden of Meiji Jingu.
No public holidays in June, so it is a calmer time to travel.
Plan indoor days for heavy rain: museums, aquariums and teamLab.
Tokyo weather in June
June has an average high of 26°C (79°F), a low of 18°C (64°F) and 168 mm (6.6 in) of rain. The rainy season usually starts in early June and ends around mid-July. It does not rain all day every day, but it is humid and showers are common. Carry a folding umbrella. Average humidity is 75%. These are 1991–2020 averages, not a forecast for 2027. See Tokyo weather by month.
| Date | Average high | Average low | Average sunshine |
|---|---|---|---|
| June 1 | 25.2°C (77°F) | 16.6°C (62°F) | 5.6 hours |
| June 15 | 25.8°C (78°F) | 18.3°C (65°F) | 3.8 hours |
| June 30 | 27.9°C (82°F) | 20.5°C (69°F) | 3.8 hours |
Hydrangeas and irises
- Showa Kinen Park: hydrangeas and irises usually in June.
- Kiyosumi Gardens: azaleas, hydrangeas and irises are among the main plants.
- Meiji Jingu: the Inner Garden (Gyoen) has irises in June. A ¥500 maintenance contribution is asked.
- Machida: irises in May and June at the garden next to the Squirrel Garden.
Rainy day ideas
On wet days, head indoors: Tokyo’s museums, teamLab, aquariums such as Sumida Aquarium, and department store food halls. See Tokyo when it rains.
Typhoons
Typhoons can come from early summer. On average, fewer than one a year comes close to Japan in June; most come in August and September. See typhoons in Tokyo.
Tips for June
- Pack a folding umbrella and shoes that can get wet.
- Check the forecast each morning and swap outdoor and indoor days.
- Go to gardens after the rain: hydrangeas look their best wet.
Month by month: ← Tokyo in May · Tokyo in July → · All 12 months
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FAQ
Is June a good time to visit Tokyo?
It is the rainy season, but there are no public holidays and fewer crowds, and hydrangeas and irises bloom. Plan some indoor days.
When is the rainy season in Tokyo?
It usually starts in early June and ends around mid-July.
What is the weather like in Tokyo in June?
Warm and humid: an average high of 26°C (79°F) and a low of 18°C (64°F), with 168 mm (6.6 in) of rain.
Are there public holidays in June?
No. Japan has no national holidays in June.
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Sources
Event dates come from the official pages below; weather from the Japan Meteorological Agency (checked November 5, 2026); the rest from our guides, which list their official sources (checked October 23, 2026). Dates change every year, so please check before you go.
