August weather forecastYonamine, Japan
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Yonamine, Japan, with an average temperature ranging between min 27.8°C (82°F) and max 29.4°C (84.9°F).Temperature
Yonamine's temperatures peak on average in August, reaching 29.4°C (84.9°F) at their highest and 27.8°C (82°F) at their lowest.Heat index
The heat index value during August is evaluated at a fiery hot 36°C (96.8°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.Note that heat index values are valued for light wind and location in the shade. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.
Humidity
In August, the average relative humidity in Yonamine, Japan, is 81%.Rainfall
In Yonamine, in August, it is raining for 21.3 days, with typically 177mm (6.97") of accumulated precipitation. Throughout the year, in Yonamine, there are 229.8 rainfall days, and 1512mm (59.53") of precipitation is accumulated.Daylight
The average length of the day in August in Yonamine, Japan, is 13h and 4min.On the first day of the month, sunrise is at 05:53 and sunset at 19:15. On the last day of August, sunrise is at 06:07 and sunset at 18:49 JST.
Sunshine
The average sunshine in August in Yonamine is 9.1h.UV index
June through September, with an average maximum UV index of 7, are months with the highest UV index in Yonamine. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 7 during August translates into the following directions:
Deter overexposure. Protecting against the sun's effects is essential. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Yonamine, Japan
- Average high temperature in August: 29.4°C
The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (18.6°C).
- Average low temperature in August: 27.8°C
The month with the highest average low temperature is August (27.8°C).
The coldest month (with the lowest average low temperature) is January (16.3°C).
Average pressure in August
Yonamine, Japan
- Average pressure in August: 1006.7mbar
The month with the highest atmospheric pressure is January (1021mbar).
The month with the lowest atmospheric pressure is August (1006.7mbar).
Average wind speed in August
Yonamine, Japan
- Average wind speed in August: 20.7km/h
The windiest month (with the highest average wind speed) is December (25.7km/h).
The calmest month (with the lowest average wind speed) is May (18.4km/h).
Average humidity in August
Yonamine, Japan
- Average humidity in August: 81%
The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is January (72%).
Average rainfall in August
Yonamine, Japan
- Average rainfall in August: 177mm
The wettest month (with the highest rainfall) is June (228mm).
The driest month (with the least rainfall) is January (63mm).
Average rainfall days in August
Yonamine, Japan
- Average rainfall days in August: 21.3 days
The month with the highest number of rainy days is June (22.6 days).
The month with the least rainy days is November (16.2 days).
Average daylight in August /
Average sunshine in August
Yonamine, Japan
- Average daylight in August: 13h and 6min
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: 9h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in August
Yonamine, Japan
- Average sunshine days in August: 6.3 days
The month with the most sunshine days is May (11.1 days).
The month with the least sunshine days is June (5.4 days).
Average UV index in August
Yonamine, 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
Yonamine, Japan
- Average cloud cover in August: 37
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in August
Yonamine, Japan
- Average visibility in August: 10km
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is May (9km).





