Researched guide · Checked on Nov 5, 2026
July in Tokyo starts in the rainy season and ends in full summer heat. It brings the Hozuki Market at Senso-ji, the start of the Mt. Fuji climbing season and Tokyo’s most famous fireworks show on the Sumida River. Here is the weather, what’s on in July 2027, and how to cope with the heat.
Quick answer
Weather: average high 30°C (86°F), low 22°C (72°F), and 156 mm (6.1 in) of rain. The rainy season usually ends around mid-July, then it gets hot and humid.
Fireworks: the Sumida River Fireworks Festival, usually on the last Saturday of July. The 2027 date is not announced yet.
Hozuki Market: at Senso-ji on July 9 and 10.
Holiday: Marine Day on Monday, July 19, 2027.
Tokyo weather in July
July has an average high of 30°C (86°F), a low of 22°C (72°F) and 156 mm (6.1 in) of rain. The rainy season usually ends around mid-July, and then it gets hot and humid. Recent summers have often been hotter than these averages. Average humidity is 76%. These are 1991–2020 averages, not a forecast for 2027. See Tokyo weather by month.
| Date | Average high | Average low | Average sunshine |
|---|---|---|---|
| July 1 | 28.0°C (82°F) | 20.7°C (69°F) | 3.9 hours |
| July 15 | 29.8°C (86°F) | 22.3°C (72°F) | 4.9 hours |
| July 31 | 31.6°C (89°F) | 23.8°C (75°F) | 5.9 hours |
Sumida River Fireworks Festival
Tokyo’s best-known fireworks show is held on the Sumida River near Asakusa, usually on the last Saturday of July. In 2026 it was on Saturday, July 25, from 7:00 pm to 8:30 pm. The 2027 date has not been announced yet, so check the official site. Crowds are very large, and the organizers ask visitors to use stations other than Asakusa to go home. See summer in Tokyo.
Hozuki Market at Senso-ji (July 9–10)
On July 9 and 10, Senso-ji holds Shiman-rokusennichi, a special temple day, together with the Hozuki Market, where stalls sell potted Chinese lantern plants (hozuki). See our Asakusa guide.
Climbing Mt. Fuji
Mt. Fuji can only be climbed in summer. In 2026, the Yoshida Trail season ran from July 1 to September 10. Check the official Mt. Fuji climbing website for the 2027 dates, the climbing fee and booking rules. To see Fuji without climbing, see Mt. Fuji from Tokyo.
Sumo in July
The July grand sumo tournament is held in Nagoya, not Tokyo: July 11–25, 2027, at IG Arena, according to the Japan Sumo Association. The next Tokyo tournament is in September. See sumo in Tokyo.
Staying safe in the heat
- Japan issues a Heat Stroke Alert when the risk of heat illness is forecast to be extremely high. Check it before long walks.
- Drink water often, rest indoors and plan outdoor sightseeing for the morning and evening.
- Spend the hottest hours at museums, aquariums or teamLab. See rainy (and hot) day ideas.
Month by month: ← Tokyo in June · Tokyo in August → · All 12 months
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FAQ
Is July a good time to visit Tokyo?
It is hot and humid, especially after mid-July, but there are fireworks, festivals and the Mt. Fuji climbing season. Plan outdoor sightseeing for mornings and evenings.
What is the weather like in Tokyo in July?
Hot and humid: an average high of 30°C (86°F) and a low of 22°C (72°F), with 156 mm (6.1 in) of rain. The rainy season usually ends around mid-July.
When is the Sumida River Fireworks Festival in 2027?
It has not been announced yet. It is usually held on the last Saturday of July; in 2026 it was on July 25.
Is there sumo in Tokyo in July?
No. The July tournament is held in Nagoya (July 11–25, 2027). The Tokyo tournaments are in January, May and September.
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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.
