August weather forecast
Tonaki, Japan

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Weather in August

August, the last month of the summer in Tonaki, is another warm month, with an average temperature fluctuating between 28.2°C (82.8°F) and 29.3°C (84.7°F).

Temperature

August is the warmest month of the year, registering average temperatures as high as 29.3°C (84.7°F) and as low as 28.2°C (82.8°F).

Heat index

For August, the heat index is estimated at a sweltering 36°C (96.8°F). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

The average relative humidity in August is 80%.

Rainfall

August is the month with the most rainfall in Tonaki. Rain falls for 20.7 days and accumulates 153mm (6.02") of precipitation.

Daylight

In Tonaki, the average length of the day in August is 13h and 3min.
On the first day of August in Tonaki, sunrise is at 05:56 and sunset at 19:18. On the last day of the month, sunrise is at 06:10 and sunset at 18:52 JST.

Sunshine

In Tonaki, the average sunshine in August is 8.7h.

UV index

June through September, with an average maximum UV index of 7, are months with the highest UV index in Tonaki. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 7 during August, leads to the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Updated: Jan 31, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are the warmest months in Tonaki?

August, with average temperatures reaching a high of 29.3°C (84.7°F) and a low of 28.2°C (82.8°F), is the warmest month in Tonaki, Japan.

How hot does it get in Tonaki in August?

Tonaki in August has an average high-temperature of 29.3°C (84.7°F) and an average low-temperature of 28.2°C (82.8°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 36°C (96.8°F).

What is the average humidity in August in Tonaki?

In August, the average relative humidity in Tonaki, Japan, is 80%.

What is the wettest month in Tonaki?

The month with the most rainfall is August, when the rain falls for 20.7 days and typically aggregates up to 153mm (6.02") of precipitation.

How much does it rain in Tonaki in August?

In August, the rain falls for 20.7 days. Throughout August, 153mm (6.02") of precipitation is accumulated.

What is the average length of the day in August in Tonaki?

In August, the average day length in Tonaki, Japan, is 13h and 3min.

When is the sunrise / sunset in August in Tonaki?

On the first day of August, sunrise is at 05:56 and sunset at 19:18. On the last day of the month, sunrise is at 06:10 and sunset at 18:52 JST.

How many hours of sunshine does Tonaki have in August?

In Tonaki, the average sunshine duration in August is 8.7h.

What is the month with the highest UV index in Tonaki?

The months with the highest UV index in Tonaki are June through September, with an average maximum UV index of 7.

What is the UV index reading in August in Tonaki?

In August, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.

Average temperature in August
Tonaki, Japan

Average temperature in August - Tonaki, Japan
  • Average high temperature in August: 29.3°C

The warmest month (with the highest average high temperature) is August (29.3°C).
The month with the lowest average high temperature is January (18.8°C).

  • Average low temperature in August: 28.2°C

The month with the highest average low temperature is August (28.2°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).

Average pressure in August
Tonaki, Japan

Average pressure in August - Tonaki, Japan
  • Average pressure in August: 1006.4mbar

The month with the highest atmospheric pressure is January (1021.1mbar).
The month with the lowest atmospheric pressure is August (1006.4mbar).

Average wind speed in August
Tonaki, Japan

Average wind speed in August - Tonaki, Japan
  • Average wind speed in August: 23.9km/h

The windiest month (with the highest average wind speed) is December (30.9km/h).
The calmest month (with the lowest average wind speed) is May (21.6km/h).

Average humidity in August
Tonaki, Japan

Average humidity in August - Tonaki, Japan
  • Average humidity in August: 80%

The month with the highest relative humidity is June (86%).
The months with the lowest relative humidity are January and December (73%).

Average rainfall in August
Tonaki, Japan

Average rainfall in August - Tonaki, Japan
  • Average rainfall in August: 153mm

The wettest month (with the highest rainfall) is August (153mm).
The driest month (with the least rainfall) is January (40mm).

Average rainfall days in August
Tonaki, Japan

Average rainfall days in August - Tonaki, Japan
  • Average rainfall days in August: 20.7 days

The month with the highest number of rainy days is August (20.7 days).
The month with the least rainy days is March (15.7 days).

Average daylight in August /
Average sunshine in August
Tonaki, Japan

Average daylight in August / Average sunshine in August - Tonaki, Japan
  • Average daylight in August: 13h and 1min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in August: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 6min).

Average sunshine days in August
Tonaki, Japan

Average sunshine days in August - Tonaki, Japan
  • Average sunshine days in August: 7.6 days

The months with the most sunshine days are March and April (11.3 days).
The month with the least sunshine days is September (6.7 days).

Average UV index in August
Tonaki, Japan

Average UV index in August - Tonaki, Japan
  • Average UV index in August: 7

The months with the highest UV index are June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).

Average cloud cover in August
Tonaki, Japan

Average cloud cover in August - Tonaki, Japan
  • Average cloud cover in August: 37

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 35).

Average visibility in August
Tonaki, Japan

Average visibility in August - Tonaki, Japan
  • Average visibility in August: 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).

Tonaki, Japan

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