August weather forecastUsuki, Japan
August
Weather in August
August, the last month of the summer in Usuki, is also a moderately hot month, with temperature in the range of an average low of 24.3°C (75.7°F) and an average high of 29.3°C (84.7°F).Temperature
Usuki's warmest temperatures are experienced in August, with average high temperatures of 29.3°C (84.7°F) and lows of 24.3°C (75.7°F).Heat index
The heat index value for August is evaluated at a very hot 36°C (96.8°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', reflects the feeling of heat when considering both air temperature and humidity. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.
Humidity
In Usuki, the average relative humidity in August is 81%.Rainfall
In Usuki, in August, it is raining for 16 days, with typically 63mm (2.48") of accumulated precipitation. In Usuki, during the entire year, the rain falls for 156.2 days and collects up to 681mm (26.81") of precipitation.Snowfall
In Usuki, snow does not fall in March through November.Daylight
In August, the average length of the day is 13h and 22min.On the first day of August in Usuki, sunrise is at 05:26 and sunset at 19:12. On the last day of the month, sunrise is at 05:46 and sunset at 18:39 JST.
Sunshine
With an average of 10.5h of sunshine, August has the most sunshine of the year in Usuki, Japan.UV index
In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 6 during August leads to these instructions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Usuki, 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 (9.3°C).
- Average low temperature in August: 24.3°C
The month with the highest average low temperature is August (24.3°C).
The coldest month (with the lowest average low temperature) is January (4.6°C).
Average pressure in August
Usuki, Japan
- Average pressure in August: 1009mbar
The month with the highest atmospheric pressure is January (1021.4mbar).
The month with the lowest atmospheric pressure is June (1008.4mbar).
Average wind speed in August
Usuki, Japan
- Average wind speed in August: 9.6km/h
The windiest month (with the highest average wind speed) is January (16km/h).
The calmest month (with the lowest average wind speed) is June (9km/h).
Average humidity in August
Usuki, Japan
- Average humidity in August: 81%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is March (71%).
Average rainfall in August
Usuki, Japan
- Average rainfall in August: 63mm
The wettest month (with the highest rainfall) is July (113mm).
The driest month (with the least rainfall) is January (24mm).
Average rainfall days in August
Usuki, Japan
- Average rainfall days in August: 16 days
The month with the highest number of rainy days is July (21.3 days).
The months with the least rainy days are October and November (9.8 days).
Average snowfall in August
Usuki, Japan
- Average snowfall in August: 0mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in August
Usuki, Japan
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in August /
Average sunshine in August
Usuki, Japan
- Average daylight in August: 13h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in August: 10h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in August
Usuki, Japan
- Average sunshine days in August: 12.8 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (8.3 days).
Average UV index in August
Usuki, Japan
- Average UV index in August: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in August
Usuki, Japan
- Average cloud cover in August: 32
The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in August
Usuki, Japan
- Average visibility in August: 10km
The months with the highest visibility are January, February, March, April, August, September, October, November and December (10km).
The months with the lowest visibility are May, June and July (9km).
