August weather forecast
Shimotsui, Japan

August

Weather in August

The last month of the summer, August, is a hot month in Shimotsui, Japan, with an average temperature fluctuating between 30.7°C (87.3°F) and 25.1°C (77.2°F).

Temperature

August, on average, is the warmest month, registering a high temperature of 30.7°C (87.3°F) and a low of 25.1°C (77.2°F).

Heat index

In August, the heat index is appraised at a torrid 38°C (100.4°F). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.
Research indicates the heat index considers values in shaded locales and with light winds. With 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 'real feel' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

The average relative humidity in August is 74%.

Rainfall

In Shimotsui, during August, the rain falls for 14.5 days and regularly aggregates up to 56mm (2.2") of precipitation. Throughout the year, there are 133 rainfall days, and 442mm (17.4") of precipitation is accumulated.

Snowfall

March through November are months without snowfall.

Daylight

In Shimotsui, the average length of the day in August is 13h and 25min.
On the first day of August, sunrise is at 05:15 and sunset at 19:06. On the last day of the month, sunrise is at 05:37 and sunset at 18:32 JST.

Sunshine

The month with the most sunshine is August, with an average of 11h of sunshine.

UV index

July and August, 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 vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In August, a regular UV index of 7 translates into these guidelines:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Frequently asked questions

What is the hottest time of year?
August is the warmest month, with the temperature often reaching an average high of 30.7°C (87.3°F) and an average low of 25.1°C (77.2°F).
How hot is August?
In August, in Shimotsui, the average high-temperature is 30.7°C (87.3°F), and the average low-temperature is 25.1°C (77.2°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is appraised at 38°C (100.4°F).
What is the average humidity in August?
In August, the average relative humidity is 74%.
How many days does it rain in August?
In August, the rain falls for 14.5 days. Throughout August, 56mm (2.2") of precipitation is accumulated.
When it does not snow?
March through November are months without snowfall.
How many hours of daylight does Shimotsui have in August?
In August, the average day length is 13h and 25min.
When is the sunrise / sunset in August?
In August, on the first day of the month, sunrise is at 05:15 and sunset at 19:06. On the last day of the month, sunrise is at 05:37 and sunset at 18:32 JST.
What month has the most sunshine?
August has the most sunshine of the year, with an average of 11h of sunshine.
How many hours of sunshine does Shimotsui have in August?
In Shimotsui, the average sunshine duration in August is 11h.
When is the highest UV index?
The months with the highest UV index are July and August, with an average maximum UV index of 7.
What is the UV index reading in August in Shimotsui?
In August, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe 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 snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in August - Shimotsui, Japan
Average temperature in August
Shimotsui, Japan
  • Average high temperature in August: 30.7°C

The warmest month (with the highest average high temperature) is August (30.7°C).
The month with the lowest average high temperature is January (8.3°C).

  • Average low temperature in August: 25.1°C

The month with the highest average low temperature is August (25.1°C).
The coldest month (with the lowest average low temperature) is January (3.1°C).

Average pressure in August - Shimotsui, Japan
Average pressure in August
Shimotsui, Japan
  • Average pressure in August: 1009.1mbar

The month with the highest atmospheric pressure is January (1020.5mbar).
The month with the lowest atmospheric pressure is June (1008.5mbar).

Average wind speed in August - Shimotsui, Japan
Average wind speed in August
Shimotsui, Japan
  • Average wind speed in August: 9.2km/h

The windiest months (with the highest average wind speed) are January and December (14.6km/h).
The calmest month (with the lowest average wind speed) is June (8.5km/h).

Average humidity in August - Shimotsui, Japan
Average humidity in August
Shimotsui, Japan
  • Average humidity in August: 74%

The month with the highest relative humidity is July (79%).
The months with the lowest relative humidity are March, April and May (68%).

Average rainfall in August - Shimotsui, Japan
Average rainfall in August
Shimotsui, Japan
  • Average rainfall in August: 56mm

The wettest month (with the highest rainfall) is July (75mm).
The driest month (with the least rainfall) is November (13mm).

Average rainfall days in August - Shimotsui, Japan
Average rainfall days in August
Shimotsui, Japan
  • Average rainfall days in August: 14.5 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is January (8.2 days).

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

The month with the highest snowfall is February (9mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in August - Shimotsui, Japan
Average snowfall days in August
Shimotsui, Japan
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (2.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in August / Average sunshine in August - Shimotsui, Japan
Average daylight in August /
Average sunshine in August
Shimotsui, Japan
  • Average daylight in August: 13h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in August: 11h and 0min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).

Average sunshine days in August - Shimotsui, Japan
Average sunshine days in August
Shimotsui, Japan
  • Average sunshine days in August: 12.3 days

The month with the most sunshine days is May (20.2 days).
The month with the least sunshine days is July (9.3 days).

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

The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in August - Shimotsui, Japan
Average cloud cover in August
Shimotsui, Japan
  • Average cloud cover in August: 29

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in August - Shimotsui, Japan
Average visibility in August
Shimotsui, Japan
  • Average visibility in August: 10km

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).

englishespañol中文
Share