July weather forecast and climate
Tokyo, Japan

A stunning view of the cityscape of Tokyo, Japan, taken at dusk
A stunning view of the cityscape of Tokyo, Japan, taken at dusk
July is one of the hottest months in Tokyo with scorching temperatures between 22°C (71.6°F) and 28°C (82.4°F). The hottest days can have temperatures as high as 33°C (91.4°F), and with the oppressive humidity, this can feel hot, sticky, and uncomfortable.
The sunshine hours, however, decrease to four per day on average, making July the least sunny month all year.
The ocean waters are best for swimming warming up to 24°C (75.2°F), and the beaches remain abuzz with activities and people having fun in the pleasant weather.
Rainfall remains high with an average of twenty rainy days - making July one of the wettest months. There may be afternoon thunderstorms, so it is best to be safe. The rain gauge fetches a monthly precipitation of 127mm (5").

What is the temperature in July in Tokyo?

In Tokyo, in July, the average high-temperature is 29.2°C (84.6°F), and the average low-temperature is 21.8°C (71.2°F).

What is the most humid month in Tokyo?

The most humid month in Tokyo is July, with an average relative humidity of 77%.

What is the average humidity in July in Tokyo?

In Tokyo, Japan, the average relative humidity in July is 77%.

How many days does it rain in July in Tokyo?

In Tokyo, Japan, in July, it is raining for 8.4 days, with typically 80.9mm (3.2") of accumulated precipitation.

How warm is the water in July in Tokyo?

In July, the average sea temperature is 24.2°C (75.6°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 24.2°C (75.6°F).

What is the average length of the day in July in Tokyo?

In July, the average length of the day is 14.3h.

How long on average sun shines in July in Tokyo?

In July, the average sunshine in Tokyo is 4.7h.

When is the highest UV index in Tokyo?

June through August, with an average UV index of 10, are months with the highest UV index.

What is the UV index intensity in July in Tokyo?

In July, the average UV index in Tokyo, Japan, is 10.
Average temperature in July - Tokyo, Japan
  • Average high temperature in July: 29.2°C

The warmest month (with the highest average high temperature) is August (30.8°C).
The month with the lowest average high temperature is January (9.6°C).

  • Average low temperature in July: 21.8°C

The month with the highest average low temperature is August (23°C).
The coldest month (with the lowest average low temperature) is January (0.9°C).

Average humidity in July - Tokyo, Japan
  • Average humidity in July: 77%

The month with the highest relative humidity is July (77%).
The month with the lowest relative humidity is January (52%).

Average rainfall in July - Tokyo, Japan
  • Average rainfall in July: 80.9mm

The wettest month (with the highest rainfall) is May (145.4mm).
The driest month (with the lowest rainfall) is February (58.2mm).

Average rainfall days in July - Tokyo, Japan
  • Average rainfall days in July: 8.4 days

The month with the highest number of rainy days is October (13 days).
The month with the lowest number of rainy days is July (8.4 days).

Average snowfall in July - Tokyo, Japan
  • Average snowfall in July: 0mm

Months with the highest snowfall are January and February (50mm).
Months with the lowest snowfall are April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in July - Tokyo, Japan
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (3.7 days).
Months with the lowest number of snowfall days are May, June, July, August, September, October and November (0 days).

Average sea temperature in July - Tokyo, Japan
  • Average sea temperature in July: 24.2°C

The best month for swimming (with the highest average sea temperature) is August (25.7°C).
The coldest month (with the lowest average sea temperature) is February (14°C).

Average daylight in July / Average sunshine in July - Tokyo, Japan
  • Average daylight in July: 14.3h

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.8h).

  • Average sunshine in July: 4.7h

The month with most sunshine is January (Average sunshine: 6h).
The month with least sunshine is September (Average sunshine: 4h).

Average UV index in July - Tokyo, Japan
  • Average UV index in July: 10

Months with the highest UV index are June, July and August (UV index 10).
Months with the lowest UV index are January and December (UV index 2).

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