August weather forecastHeiwajima, Japan
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Heiwajima, Japan, with an average temperature fluctuating between 24.9°C (76.8°F) and 29.8°C (85.6°F).Temperature
Heiwajima's warmest month, August, registers temperatures that range from a high of 29.8°C (85.6°F) to a low of 24.9°C (76.8°F).Heat index
The heat index value during August is calculated to be a very hot 36°C (96.8°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.Heat index evaluations are typically in the context of light winds and shaded environments. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.
Humidity
In Heiwajima, the average relative humidity in August is 77%.Rainfall
In August, in Heiwajima, Japan, the rain falls for 12.8 days. Throughout August, 51mm (2.01") of precipitation is accumulated. Throughout the year, in Heiwajima, Japan, there are 154.1 rainfall days, and 754mm (29.69") of precipitation is accumulated.Snowfall
April through December are months without snowfall in Heiwajima.Daylight
The average length of the day in August in Heiwajima, Japan, is 13h and 29min.On the first day of the month, sunrise is at 04:49 and sunset at 18:45. On the last day of August, sunrise is at 05:12 and sunset at 18:10 JST.
Sunshine
August has the most sunshine of the year in Heiwajima, with an average of 10.3h of sunshine.UV index
The average daily maximum UV index in August in Heiwajima is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 6 in August translates into the following instructions:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Heiwajima, Japan
- Average high temperature in August: 29.8°C
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (8.9°C).
- Average low temperature in August: 24.9°C
The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (3.4°C).
Average pressure in August
Heiwajima, Japan
- Average pressure in August: 1010.2mbar
The month with the highest atmospheric pressure is November (1018mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in August
Heiwajima, Japan
- Average wind speed in August: 14.2km/h
The windiest month (with the highest average wind speed) is April (17.3km/h).
The calmest month (with the lowest average wind speed) is June (13.6km/h).
Average humidity in August
Heiwajima, Japan
- Average humidity in August: 77%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is January (61%).
Average rainfall in August
Heiwajima, Japan
- Average rainfall in August: 51mm
The wettest month (with the highest rainfall) is October (100mm).
The driest month (with the least rainfall) is December (36mm).
Average rainfall days in August
Heiwajima, Japan
- Average rainfall days in August: 12.8 days
The month with the highest number of rainy days is June (16 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in August
Heiwajima, Japan
- Average snowfall in August: 0mm
The month with the highest snowfall is February (37mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in August
Heiwajima, Japan
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (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
Heiwajima, Japan
- Average daylight in August: 13h and 30min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in August: 10h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in August
Heiwajima, Japan
- Average sunshine days in August: 15.9 days
The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in August
Heiwajima, 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, March, November and December (UV index 3).
Average cloud cover in August
Heiwajima, Japan
- Average cloud cover in August: 33
The months with the most cloud cover are June and October (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 31).
Average visibility in August
Heiwajima, Japan
- Average visibility in August: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
