Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
With an average high-temperature of 29.9°C (85.8°F) and an average low-temperature of 22.3°C (72.1°F), August is the warmest month.Heat index
August's average heat index is computed to be a sweltering 37°C (98.6°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
The average relative humidity in August in Koyasan is 79%.Rainfall
In Koyasan, Japan, in August, during 19.3 rainfall days, 100mm (3.94") of precipitation is typically accumulated. Throughout the year, in Koyasan, there are 199.5 rainfall days, and 1277mm (50.28") of precipitation is accumulated.Snowfall
In Koyasan, snow does not fall in May through November.Daylight
The average length of the day in August in Koyasan is 13h and 25min.On the first day of the month, sunrise is at 05:08 and sunset at 18:59. On the last day of August, in Koyasan, sunrise is at 05:30 and sunset at 18:25 JST.
Sunshine
With an average of 10.7h of sunshine, August has the most sunshine of the year.UV index
The average daily maximum UV index in August in Koyasan is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 6 in August translates into the following instructions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What is the warmest month in Koyasan?
How hot is August in Koyasan?
What is the average humidity in August in Koyasan?
How much does it rain in Koyasan in August?
When it does not snow in Koyasan?
What is the average length of the day in August in Koyasan?
What time are sunrise and sunset in August in Koyasan?
What month has the most sunshine in Koyasan?
How long on average sun shines in August in Koyasan?
How high is the UV index in August in Koyasan?
Average temperature in August
Koyasan, Japan
- Average high temperature in August: 29.9°C
The warmest month (with the highest average high temperature) is August (29.9°C).
The month with the lowest average high temperature is January (6.7°C).
- Average low temperature in August: 22.3°C
The month with the highest average low temperature is August (22.3°C).
The coldest month (with the lowest average low temperature) is January (0.1°C).
Average pressure in August
Koyasan, Japan
- Average pressure in August: 1009.6mbar
The month with the highest atmospheric pressure is February (1019.5mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).
Average wind speed in August
Koyasan, Japan
- Average wind speed in August: 6.2km/h
The windiest month (with the highest average wind speed) is January (9.5km/h).
The calmest months (with the lowest average wind speed) are June and August (6.2km/h).
Average humidity in August
Koyasan, Japan
- Average humidity in August: 79%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is May (74%).
Average rainfall in August
Koyasan, Japan
- Average rainfall in August: 100mm
The wettest month (with the highest rainfall) is July (179mm).
The driest month (with the least rainfall) is January (56mm).
Average rainfall days in August
Koyasan, Japan
- Average rainfall days in August: 19.3 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is February (13.8 days).
Average snowfall in August
Koyasan, Japan
- Average snowfall in August: 0mm
The month with the highest snowfall is January (90mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in August
Koyasan, Japan
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in August /
Average sunshine in August
Koyasan, 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: 10h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in August
Koyasan, Japan
- Average sunshine days in August: 9.6 days
The month with the most sunshine days is May (14.3 days).
The month with the least sunshine days is July (7.9 days).
Average UV index in August
Koyasan, 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, February and December (UV index 2).
Average cloud cover in August
Koyasan, Japan
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in August
Koyasan, Japan
- Average visibility in August: 9km
The months with the highest visibility are January, February, March, April, May, August, September, October, November and December (9km).
The months with the lowest visibility are June and July (8km).
Koyasan, Japan
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