August weather forecastHateruma, Japan
August
Weather in August
The last month of the summer, August, is another warm month in Hateruma, Japan, with an average temperature varying between 29.3°C (84.7°F) and 28.3°C (82.9°F).Temperature
In Hateruma, the months of July and August are known for the peak temperatures, reaching an average high of 29.3°C (84.7°F).Heat index
The heat index for August is calculated to be a very hot 36°C (96.8°F). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.One should consider that heat index numbers are for shaded settings and light wind. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through 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. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.
Humidity
In August, the average relative humidity is 81%.Rainfall
August is the month with the most rainfall in Hateruma. Rain falls for 20.3 days and accumulates 207mm (8.15") of precipitation.Daylight
The average length of the day in August is 12h and 58min.On the first day of the month, sunrise is at 06:14 and sunset at 19:28. On the last day of August, in Hateruma, sunrise is at 06:26 and sunset at 19:04 JST.
Sunshine
In Hateruma, Japan, the average sunshine in August is 8.2h.UV index
May through September, 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 exposure to the Sun's UV rays for average individuals.Note: An average UV index of 7 in August transforms into this advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full 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
Hateruma, Japan
- Average high temperature in August: 29.3°C
The warmest months (with the highest average high temperature) are July and August (29.3°C).
The month with the lowest average high temperature is January (20.5°C).
- Average low temperature in August: 28.3°C
The month with the highest average low temperature is July (28.4°C).
The coldest month (with the lowest average low temperature) is January (18.6°C).
Average pressure in August
Hateruma, Japan
- Average pressure in August: 1005.6mbar
The month with the highest atmospheric pressure is January (1020.4mbar).
The month with the lowest atmospheric pressure is August (1005.6mbar).
Average wind speed in August
Hateruma, Japan
- Average wind speed in August: 23km/h
The windiest month (with the highest average wind speed) is December (32.7km/h).
The calmest month (with the lowest average wind speed) is May (20.2km/h).
Average humidity in August
Hateruma, Japan
- Average humidity in August: 81%
The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are January and December (77%).
Average rainfall in August
Hateruma, Japan
- Average rainfall in August: 207mm
The wettest month (with the highest rainfall) is August (207mm).
The driest month (with the least rainfall) is February (70mm).
Average rainfall days in August
Hateruma, Japan
- Average rainfall days in August: 20.3 days
The month with the highest number of rainy days is January (25.3 days).
The month with the least rainy days is July (16.8 days).
Average daylight in August /
Average sunshine in August
Hateruma, Japan
- Average daylight in August: 13h and 0min
The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 42min).
- Average sunshine in August: 8h and 12min
The month with the most sunshine is June (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in August
Hateruma, Japan
- Average sunshine days in August: 8.9 days
The month with the most sunshine days is July (12.3 days).
The months with the least sunshine days are January and December (3.5 days).
Average UV index in August
Hateruma, Japan
- Average UV index in August: 7
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in August
Hateruma, Japan
- Average cloud cover in August: 39
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in August
Hateruma, Japan
- Average visibility in August: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
