August weather forecast
Johana, Japan

August

Weather in August

August, the last month of the summer in Johana, is also a moderately hot month, with an average temperature varying between 20.8°C (69.4°F) and 29.3°C (84.7°F).

Temperature

During the warmest month, August, temperatures average a high of 29.3°C (84.7°F) and a low of 20.8°C (69.4°F).

Heat index

The heat index in August is appraised at a very hot 35°C (95°F). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
When referencing the heat index, its values are suitable for shady environments and light breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', marries air temperature and humidity to produce a value illustrating perceived warmth. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

The average relative humidity in August is 79%.

Rainfall

In August, the rain falls for 18 days. Throughout August, 134mm (5.28") of precipitation is accumulated. Throughout the year, in Johana, there are 190.3 rainfall days, and 1354mm (53.31") of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Johana.

Daylight

In August, the average length of the day in Johana, Japan, is 13h and 32min.
On the first day of the month, sunrise is at 04:58 and sunset at 18:58. On the last day of August, sunrise is at 05:23 and sunset at 18:22 JST.

Sunshine

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

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index, 6 in August, converts into the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.

Frequently asked questions

What is the warmest month in Johana?
August is the month when Johana, Japan, sees the average highest temperatures, with a high of 29.3°C (84.7°F) and a low of 20.8°C (69.4°F).
How hot does it get in Johana in August?
In Johana, in August, the average high-temperature is 29.3°C (84.7°F), and the average low-temperature is 20.8°C (69.4°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in August is appraised at 35°C (95°F).
What is the average humidity in August in Johana?
In Johana, the average relative humidity in August is 79%.
How many days does it rain in August in Johana?
In Johana, during August, the rain falls for 18 days and regularly aggregates up to 134mm (5.28") of precipitation.
When it does not snow in Johana?
May through October are months without snowfall in Johana, Japan.
How many hours of daylight does Johana have in August?
In Johana, Japan, the average day length in August is 13h and 32min.
When are sunrise and sunset in August in Johana?
On the first day of August, sunrise is at 04:58 and sunset at 18:58. On the last day of the month, sunrise is at 05:23 and sunset at 18:22 JST.
What month has the most sunshine in Johana?
August has the most sunshine of the year, with an average of 10.3h of sunshine.
How many hours of sunshine does Johana have in August?
The average sunshine duration in August is 10.3h.
When is the highest UV index in Johana?
The months with the highest UV index in Johana are June through August, with an average maximum UV index of 6.
How high is the UV index in August in Johana?
In Johana, Japan, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.
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 snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in August
Johana, 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 (3°C).

  • Average low temperature in August: 20.8°C

The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is January (-2.5°C).

Average pressure in August
Johana, Japan
  • Average pressure in August: 1010mbar

The month with the highest atmospheric pressure is February (1019.5mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).

Average wind speed in August
Johana, Japan
  • Average wind speed in August: 6.9km/h

The windiest month (with the highest average wind speed) is December (10.7km/h).
The calmest months (with the lowest average wind speed) are June and August (6.9km/h).

Average humidity in August
Johana, Japan
  • Average humidity in August: 79%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is May (71%).

Average rainfall in August
Johana, Japan
  • Average rainfall in August: 134mm

The wettest month (with the highest rainfall) is July (177mm).
The driest month (with the least rainfall) is May (77mm).

Average rainfall days in August
Johana, Japan
  • Average rainfall days in August: 18 days

The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is February (11.6 days).

Average snowfall in August
Johana, Japan
  • Average snowfall in August: 0mm

The month with the highest snowfall is January (440mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in August
Johana, Japan
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Johana, Japan
  • Average daylight in August: 13h and 3min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • 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: 3h and 18min).

Average sunshine days in August
Johana, Japan
  • Average sunshine days in August: 10.3 days

The month with the most sunshine days is May (16.7 days).
The month with the least sunshine days is January (7.1 days).

Average UV index in August
Johana, Japan
  • Average UV index in August: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in August
Johana, Japan
  • Average cloud cover in August: 35

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is May (Cloud cover 34).

Average visibility in August
Johana, Japan
  • Average visibility in August: 9km

The months with the highest visibility are March, April, May, June, August, September, October, November and December (9km).
The months with the lowest visibility are January, February and July (8km).

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