July weather forecast
Kumamoto, Japan

englishespañol中文
Share

Weather in July

In July, Kumamoto reaches its heated peak, as the summer temperature wavers between a maximum of 28.4°C (83.1°F) and a minimum of 22.3°C (72.1°F). As summer takes center stage, the city undergoes its warmest phase. Bright sunlight coupled with high humidity creates a distinct hot and muggy atmosphere. Occasional bouts of rain do occur, offering a temporary break from the heat. Transitioning from July to August, though the temperature needle barely budges, rainfall witnesses a noticeable dip.

Temperature

A minor escalation in the average high-temperature is seen with the onset of July, moving from 25.2°C (77.4°F) in June to a still warm 28.4°C (83.1°F). Throughout the nights in July, an average low-temperature of 22.3°C (72.1°F) is noted.

Heat index

For July, the heat index is computed to be a hot 34°C (93.2°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
Data suggests that the heat index is set for environments in shade and with a light wind. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

The most humid month in Kumamoto, Japan, is July, with an average relative humidity of 83%.

Rainfall

In July, the rain falls for 23.4 days. Throughout July, 206mm (8.11") of precipitation is accumulated. Throughout the year, in Kumamoto, there are 179.9 rainfall days, and 1028mm (40.47") of precipitation is accumulated.

Snowfall

April through November are months without snowfall in Kumamoto.

Sea temperature

In Kumamoto, the average seawater temperature in July is 26°C (78.8°F).
Note: Swimming, diving, and other water-related activities in temperatures between 25°C (77°F) and 29°C (84.2°F) are considered highly enjoyable and satisfying for longer durations without uneasiness.

Daylight

In Kumamoto, the average length of the day in July is 14h and 4min.
On the first day of July, sunrise is at 05:12 and sunset at 19:29. On the last day of the month, sunrise is at 05:30 and sunset at 19:16 JST.

Sunshine

In July, the average sunshine is 8.8h.

UV index

The month with the highest UV index in Kumamoto is July, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In July, a daily UV index of 7 turns into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
[Resources]

Frequently asked questions

Is it hot in Kumamoto during July?

Kumamoto in July has an average high-temperature of 28.4°C (83.1°F) and an average low-temperature of 22.3°C (72.1°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in July is computed to be 34°C (93.2°F).

What is the most humid month in Kumamoto?

With an average relative humidity of 83%, July is the most humid month in Kumamoto, Japan.

What is the average humidity in July in Kumamoto?

In July, the average relative humidity is 83%.

How much does it rain in Kumamoto in July?

In Kumamoto, Japan, during July, the rain falls for 23.4 days and regularly aggregates up to 206mm (8.11") of precipitation.

When it does not snow in Kumamoto?

In Kumamoto, Japan, snow does not fall in April through November.

What is the water temperature in July in Kumamoto?

In Kumamoto, the average seawater temperature in July is 26°C (78.8°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

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

In July, the average day length is 14h and 4min.

What time are sunrise and sunset in July in Kumamoto?

On the first day of July, sunrise is at 05:12 and sunset at 19:29. On the last day of the month, sunrise is at 05:30 and sunset at 19:16 JST.

How many hours of sunshine does Kumamoto have in July?

In July, the average sunshine duration in Kumamoto is 8.8h.

When is the highest UV index in Kumamoto?

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

What is the UV index intensity in July in Kumamoto?

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

Average temperature in July
Kumamoto, Japan

Average temperature in July - Kumamoto, Japan
  • Average high temperature in July: 28.4°C

The warmest month (with the highest average high temperature) is August (30.4°C).
The month with the lowest average high temperature is January (8.3°C).

  • Average low temperature in July: 22.3°C

The month with the highest average low temperature is August (23.3°C).
The coldest month (with the lowest average low temperature) is January (1.7°C).

[Resources]

Average pressure in July
Kumamoto, Japan

Average pressure in July - Kumamoto, Japan
  • Average pressure in July: 1008.8mbar

The month with the highest atmospheric pressure is January (1021.8mbar).
The month with the lowest atmospheric pressure is June (1008.2mbar).

[Resources]

Average wind speed in July
Kumamoto, Japan

Average wind speed in July - Kumamoto, Japan
  • Average wind speed in July: 7.8km/h

The windiest month (with the highest average wind speed) is March (8.7km/h).
The calmest month (with the lowest average wind speed) is June (7km/h).

[Resources]

Average humidity in July
Kumamoto, Japan

Average humidity in July - Kumamoto, Japan
  • Average humidity in July: 83%

The month with the highest relative humidity is July (83%).
The months with the lowest relative humidity are March and April (72%).

[Resources]

Average rainfall in July
Kumamoto, Japan

Average rainfall in July - Kumamoto, Japan
  • Average rainfall in July: 206mm

The wettest month (with the highest rainfall) is June (216mm).
The driest month (with the least rainfall) is January (36mm).

[Resources]

Average rainfall days in July
Kumamoto, Japan

Average rainfall days in July - Kumamoto, Japan
  • Average rainfall days in July: 23.4 days

The month with the highest number of rainy days is July (23.4 days).
The month with the least rainy days is January (10.5 days).

[Resources]

Average snowfall in July
Kumamoto, Japan

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

The month with the highest snowfall is January (16mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

[Resources]

Average snowfall days in July
Kumamoto, Japan

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

The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

[Resources]

Average sea temperature in July
Kumamoto, Japan

Average sea temperature in July - Kumamoto, Japan
  • Average sea temperature in July: 26°C

The best month for swimming (with the highest average sea temperature) is August (28°C).
The coldest months (with the lowest average sea temperature) are February and March (18°C).

[Resources]

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

Average daylight in July / Average sunshine in July - Kumamoto, Japan
  • Average daylight in July: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in July: 8h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

[Resources]

Average sunshine days in July
Kumamoto, Japan

Average sunshine days in July - Kumamoto, Japan
  • Average sunshine days in July: 4.9 days

The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is July (4.9 days).

[Resources]

Average UV index in July
Kumamoto, Japan

Average UV index in July - Kumamoto, 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 and December (UV index 2).

[Resources]

Average cloud cover in July
Kumamoto, Japan

Average cloud cover in July - Kumamoto, Japan
  • Average cloud cover in July: 47

The month with the most cloud cover is June (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 31).

[Resources]

Average visibility in July
Kumamoto, Japan

Average visibility in July - Kumamoto, Japan
  • Average visibility in July: 8km

The month with the highest visibility is November (10km).
The months with the lowest visibility are June and July (8km).

[Resources]

Kumamoto, Japan

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location