August weather forecast
Miyanoura, Japan

August

Weather in August

The last month of the summer, August, is also a moderately hot month in Miyanoura, Japan, with an average temperature fluctuating between 28.8°C (83.8°F) and 27.9°C (82.2°F).

Temperature

In Miyanoura, the peak temperatures are generally noted in August, averaging a high of 28.8°C (83.8°F) and a low of 27.9°C (82.2°F).

Heat index

The heat index in August is calculated to be a tropical 34°C (93.2°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.

Humidity

The average relative humidity in August is 80%.

Rainfall

In Miyanoura, in August, it is raining for 18.2 days, with typically 107mm (4.21") of accumulated precipitation. Throughout the year, there are 222.2 rainfall days, and 1453mm (57.2") of precipitation is accumulated.

Sea temperature

With an average sea temperature of 29°C (84.2°F), August is the month with the warmest seawater.
Note: Between 25°C (77°F) and 29°C (84.2°F), water temperature is typically considered very warm and pleasurable by everyone. Water activities at these temperatures are enjoyable for extended periods without discomfort.

Daylight

In August, the average length of the day is 13h and 14min.
On the first day of August, sunrise is at 05:36 and sunset at 19:12. On the last day of the month, sunrise is at 05:53 and sunset at 18:42 JST.

Sunshine

With an average of 10.3h of sunshine, August has the most sunshine of the year.

UV index

July through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In August, a daily maximum UV index of 7 leads to the following instructions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Caution! The Sun's UV intensity grows with reflections off sand and water.

Frequently asked questions

What time of the year is the hottest?
The warmest temperatures occur during August, when averages reach a peak of 28.8°C (83.8°F) and a low of 27.9°C (82.2°F).
Is it hot during August?
In August, the average high-temperature and low-temperature are 28.8°C (83.8°F) and 27.9°C (82.2°F) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 34°C (93.2°F).
What is the average humidity in August?
In August, the average relative humidity is 80%.
How much does it rain in August?
In Miyanoura, in August, it is raining for 18.2 days, with typically 107mm (4.21") of accumulated precipitation.
What is the month with the warmest sea water?
With an average sea temperature of 29°C (84.2°F), August is the month with the warmest seawater.
What is the water temperature in August?
In Miyanoura, the average seawater temperature in August is 29°C (84.2°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.
What is the average length of the day in August?
In August, the average day length is 13h and 14min.
What time are sunrise and sunset in August?
On the first day of August, sunrise is at 05:36 and sunset at 19:12. On the last day of the month, sunrise is at 05:53 and sunset at 18:42 JST.
What month has the most sunshine?
The month with the most sunshine in Miyanoura is August, with an average of 10.3h of sunshine.
How many hours of sunshine does Miyanoura have in August?
The average sunshine duration in August is 10.3h.
What are the months with the highest UV index?
The months with the highest UV index are July through September, with an average maximum UV index of 7.
What is the UV index reading in August?
In August, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in August - Miyanoura, Japan
Average temperature in August
Miyanoura, Japan
  • Average high temperature in August: 28.8°C

The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (14.8°C).

  • Average low temperature in August: 27.9°C

The month with the highest average low temperature is August (27.9°C).
The coldest month (with the lowest average low temperature) is January (12.6°C).

Average pressure in August - Miyanoura, Japan
Average pressure in August
Miyanoura, Japan
  • Average pressure in August: 1008.1mbar

The month with the highest atmospheric pressure is January (1020.8mbar).
The months with the lowest atmospheric pressure are June and August (1008.1mbar).

Average wind speed in August - Miyanoura, Japan
Average wind speed in August
Miyanoura, Japan
  • Average wind speed in August: 21km/h

The windiest month (with the highest average wind speed) is January (29.6km/h).
The calmest month (with the lowest average wind speed) is July (19.2km/h).

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

The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are January, March, November and December (70%).

Average rainfall in August - Miyanoura, Japan
Average rainfall in August
Miyanoura, Japan
  • Average rainfall in August: 107mm

The wettest month (with the highest rainfall) is June (283mm).
The driest month (with the least rainfall) is January (80mm).

Average rainfall days in August - Miyanoura, Japan
Average rainfall days in August
Miyanoura, Japan
  • Average rainfall days in August: 18.2 days

The month with the highest number of rainy days is June (21.8 days).
The month with the least rainy days is May (14.6 days).

Average sea temperature in August - Miyanoura, Japan
Average sea temperature in August
Miyanoura, Japan
  • Average sea temperature in August: 29°C

The best month for swimming (with the highest average sea temperature) is August (29°C).
The coldest month (with the lowest average sea temperature) is February (20°C).

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

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in August - Miyanoura, Japan
Average sunshine days in August
Miyanoura, Japan
  • Average sunshine days in August: 11.1 days

The month with the most sunshine days is May (14.8 days).
The month with the least sunshine days is December (6.2 days).

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

The months with the highest UV index are July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 3).

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

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in August - Miyanoura, Japan
Average visibility in August
Miyanoura, 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).

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