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, the same as June, is another warm summer month in Tokyo, Japan, with temperature in the range of an average high of 29.3°C (84.7°F) and an average low of 23.3°C (73.9°F).

Temperature

In July, the average high-temperature slightly increases, from 25.1°C (77.2°F) in June, to a still moderately hot 29.3°C (84.7°F). In July, in Tokyo, the average low-temperature is 23.3°C (73.9°F).

Heat index

In July, the average heat index is evaluated at a tropical 34.9°C (94.8°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'real feel', or 'felt air temperature', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, clothing, metabolic differences). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

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

Rainfall

In Tokyo, during July, the rain falls for 12.2 days and regularly aggregates up to 48mm (1.89") of precipitation. Throughout the year, there are 134.5 rainfall days, and 425mm (16.73") of precipitation is accumulated.

Snowfall

April through December are months without snowfall in Tokyo, Japan.

Sea temperature

In Tokyo, the average seawater temperature is 24.2°C (75.6°F).
Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 24.2°C (75.6°F) water. (FYI: The Olympic swimming competition requires a water temperature between 25°C (77°F) and 28°C (82.4°F).)

Daylight

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

Sunshine

The average sunshine in Tokyo is 9.6h.

UV index

With an average maximum UV index of 7, July is the month with the highest UV index in Tokyo. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 7 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in July in Tokyo?

The average high-temperature, in July, in Tokyo, Japan, is 29.3°C (84.7°F), while the average low-temperature is 23.3°C (73.9°F). The average heat index (a.k.a. 'real feel', 'feels like'), that takes the relative humidity and factores it into the air temperature reading, in July is appraised at 34.9°C (94.8°F).

What is the most humid month in Tokyo?

With an average relative humidity of 77%, July is the most humid month.

What is the average humidity in July in Tokyo?

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

How many days does it rain in July in Tokyo?

In Tokyo, Japan, in July, it is raining for 12.2 days, with typically 48mm (1.89") of accumulated precipitation.

When it does not snow in Tokyo?

April through December are months without snowfall.

How warm is the water in July in Tokyo?

In July, the average sea temperature in Tokyo, Japan, is 24.2°C (75.6°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 24.2°C (75.6°F) water.

How many hours of daylight does Tokyo have in July?

The average length of the day in July in Tokyo, Japan, is 14.3h.

How many hours of sunshine does Tokyo have in July?

In July, the average sunshine is 9.6h.

When is the highest UV index in Tokyo?

The month with the highest UV index is July, with an average maximum UV index of 7.

What is the UV index reading in July in Tokyo?

In Tokyo, Japan, the average daily maximum UV index in July is 7. A UV Index reading of 6 to 7 represents a high health threat from the exposure to the Sun's UV rays.
Average temperature in July - Tokyo, Japan
  • Average high temperature in July: 29.3°C

The warmest month (with the highest average high temperature) is August (31°C).
The month with the lowest average high temperature is January (8.9°C).

  • Average low temperature in July: 23.3°C

The month with the highest average low temperature is August (25.1°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).

Average pressure in July - Tokyo, Japan
  • Average pressure in July: 1009.8mbar

The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).

Average wind speed in July - Tokyo, Japan
  • Average wind speed in July: 13km/h

The windiest month (with the highest average wind speed) is April (15.3km/h).
The calmest month (with the lowest average wind speed) is November (12.1km/h).

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 (59%).

Average rainfall in July - Tokyo, Japan
  • Average rainfall in July: 48mm

The wettest month (with the highest rainfall) is October (51mm).
The driest month (with the least rainfall) is December (21mm).

Average rainfall days in July - Tokyo, Japan
  • Average rainfall days in July: 12.2 days

The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is January (7.3 days).

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

The month with the highest snowfall is February (21mm).
Months with the least 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 (2.3 days).
Months with the least snowfall days are April, 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 the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in July: 9.6h

The month with the most sunshine is August (Average sunshine: 10.3h).
The month with the least sunshine is February (Average sunshine: 5.8h).

Average sunshine days in July - Tokyo, Japan
  • Average sunshine days in July: 17.8 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is June (14.4 days).

Average UV index in July - Tokyo, Japan
  • Average UV index in July: 7

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are January, February, March, November and December (UV index 3).

Average cloud cover in July - Tokyo, Japan
  • Average cloud cover in July: 39

Months with the most cloud cover are June and October (Cloud cover 43).
The month with the least cloud cover is January (Cloud cover 28).

Average visibility in July - Tokyo, Japan
  • Average visibility in July: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).