Sumoto
Japan
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Sumoto, Japan

August, the last month of the summer, in Sumoto, is a hot month, with temperature in the range of an average high of 30.6°C (87.1°F) and an average low of 23.5°C (74.3°F).
The ideal sea water temperature of 27.8°C (82°F) and 126.6mm (5") of accumulated rainfall make August the best time for swimming and other water activities.

Temperature

With an average high-temperature of 30.6°C (87.1°F) and an average low-temperature of 23.5°C (74.3°F), August is the warmest month.

Heat index

The average heat index is evaluated at a sweltering 39.2°C (102.6°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. With the 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 'felt air temperature', 'apparent temperature', 'real feel', or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (differences in body mass, height, and shape, wind, metabolic differences). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In August, the average relative humidity in Sumoto is 79%.

Rainfall

During August, Sumoto regularly aggregates up to 126.6mm (5") of precipitation. During the entire year, Sumoto aggregates up to 1528mm (60.2") of precipitation.

Snowfall

April through December are months without snowfall in Sumoto.

Sea temperature

With an average sea temperature of 27.8°C (82°F), August is the month with the warmest seawater in Sumoto.
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In August, the average length of the day is 13.4h.

Sunshine

August has the most sunshine of the year, with an average of 7.1h of sunshine.

What is the warmest month in Sumoto?

With an average high-temperature of 30.6°C (87.1°F) and an average low-temperature of 23.5°C (74.3°F), August is the warmest month in Sumoto.

What is the temperature in August in Sumoto?

In August, in Sumoto, the average high-temperature is 30.6°C (87.1°F), and the average low-temperature is 23.5°C (74.3°F). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that takes the relative humidity and factores it into the air temperature reading, is estimated at 39.2°C (102.6°F).

What is the average humidity in August in Sumoto?

The average relative humidity in August in Sumoto, Japan, is 79%.

How much does it rain in Sumoto in August?

During August, Sumoto regularly aggregates up to 126.6mm (5") of precipitation.

When it does not snow in Sumoto?

In Sumoto snow does not fall in April through December.

When is the sea warmest in Sumoto?

With an average sea temperature of 27.8°C (82°F), August is the month with the warmest seawater in Sumoto, Japan.

How warm is the water in August in Sumoto?

In Sumoto, the average seawater temperature in August is 27.8°C (82°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 August in Sumoto?

In Sumoto, Japan, the average length of the day in August is 13.4h.

What month has the most sunshine in Sumoto?

The month with the most sunshine is August, with an average of 7.1h of sunshine.

How long on average sun shines in August in Sumoto?

In August, the average sunshine in Sumoto is 7.1h.
Average temperature in August - Sumoto, Japan
  • Average high temperature in August: 30.6°C

The warmest month (with the highest average high temperature) is August (30.6°C).
The month with the lowest average high temperature is January (8°C).

  • Average low temperature in August: 23.5°C

The month with the highest average low temperature is August (23.5°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).

Average humidity in August - Sumoto, Japan
  • Average humidity in August: 79%

The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is January (66%).

Average rainfall in August - Sumoto, Japan
  • Average rainfall in August: 126.6mm

The wettest month (with the highest rainfall) is September (238.7mm).
The driest month (with the lowest rainfall) is December (41.4mm).

Average snowfall in August - Sumoto, Japan
  • Average snowfall in August: 0mm

The month with the highest snowfall is February (30mm).
Months with the lowest snowfall are April, May, June, July, August, September, October, November and December (0mm).

Average sea temperature in August - Sumoto, Japan
  • Average sea temperature in August: 27.8°C

The best month for swimming (with the highest average sea temperature) is August (27.8°C).
The coldest month (with the lowest average sea temperature) is February (15.7°C).

Average daylight in August / Average sunshine in August - Sumoto, Japan
  • Average daylight in August: 13.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 9.9h).

  • Average sunshine in August: 7.1h

The month with most sunshine is August (Average sunshine: 7.1h).
The month with least sunshine is December (Average sunshine: 4.5h).