July weather forecast
Tokyo, Japan

The cityscape of Tokyo, Japan, taken at dusk
The cityscape of Tokyo, Japan, taken at dusk

Weather in July

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

Temperature

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

Heat index

The average heat index in July is computed to be 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. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'feels like', or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, clothing, pregnancy), and activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

In Tokyo, during 12.2 rainfall days, 48mm (1.89") of precipitation is typically accumulated. In Tokyo, during the entire year, the rain falls for 134.5 days and collects up to 425mm (16.73") of precipitation.

Snowfall

In Tokyo, snow does not fall in April through December.

Sea temperature

In July, the average sea temperature is 24.2°C (75.6°F).
Note: 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).

Daylight

In July, the average length of the day is 14h and 19min.
On the first day of July, sunrise is at 04:28 and sunset at 19:01. On the last day of the month, sunrise is at 04:48 and sunset at 18:47 JST.

Sunshine

The average sunshine in July is 9.6h.

UV index

July is the month with the highest UV index, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: In July, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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 the 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.
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FAQ

What is the temperature in July in Tokyo?

In July, in Tokyo, Japan, the average high-temperature is 29.3°C (84.7°F), and the average low-temperature is 23.3°C (73.9°F). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is computed to be 34.9°C (94.8°F).

What is the most humid month in Tokyo?

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

What is the average humidity in July in Tokyo?

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

How much does it rain in Tokyo in July?

In July, the rain falls for 12.2 days. Throughout July, 48mm (1.89") of precipitation is accumulated.

When it does not snow in Tokyo?

In Tokyo, Japan, snow does not fall in April through December.

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.

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

The average day length in July in Tokyo, Japan, is 14h and 19min.

When are sunrise and sunset in July in Tokyo?

In July, on the first day of the month, sunrise is at 04:28 and sunset at 19:01. On the last day of the month, sunrise is at 04:48 and sunset at 18:47 JST.

How long on average sun shines in July in Tokyo?

In Tokyo, the average sunshine duration in July is 9.6h.

When is the highest UV index in Tokyo?

With an average maximum UV index of 7, July is the month with the highest UV index in Tokyo.

What is the UV index intensity in July in Tokyo?

In Tokyo, Japan, the average daily maximum UV index in July is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover

Average temperature in July
Tokyo, Japan

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).

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Average pressure in July
Tokyo, Japan

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).

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Average wind speed in July
Tokyo, Japan

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).

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Average humidity in July
Tokyo, Japan

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%).

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Average rainfall in July
Tokyo, Japan

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).

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Average rainfall days in July
Tokyo, Japan

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).

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Average snowfall in July
Tokyo, Japan

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

The month with the highest snowfall is February (21mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in July
Tokyo, Japan

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).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average sea temperature in July
Tokyo, Japan

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).

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Average daylight in July /
Average sunshine in July
Tokyo, Japan

Average daylight in July / Average sunshine in July - Tokyo, Japan
  • Average daylight in July: 14h and 19min

The month with the longest days is June (Average daylight: 14h and 32min).
The month with the shortest days is December (Average daylight: 9h and 47min).

  • Average sunshine in July: 9h and 36min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).

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Average sunshine days in July
Tokyo, Japan

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).

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Average UV index in July
Tokyo, Japan

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).
The months with the lowest UV index are January, February, March, November and December (UV index 3).

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Average cloud cover in July
Tokyo, Japan

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

The 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).

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Average visibility in July
Tokyo, Japan

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

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

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