August weather forecastShiida, Japan
August
Weather in August
The last month of the summer, August, is another warm month in Shiida, Japan, with an average temperature ranging between min 23.2°C (73.8°F) and max 29.8°C (85.6°F).Temperature
In Shiida, August is the month with the highest recorded average temperatures, measuring a high of 29.8°C (85.6°F) and a low of 23.2°C (73.8°F).Heat index
The heat index for August is calculated to be a fiery hot 37°C (98.6°F). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.Take into consideration that the heat index values are calculated for shade and light wind conditions. 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 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. 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. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. 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. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
In Shiida, the average relative humidity in August is 81%.Rainfall
In August, in Shiida, the rain falls for 17.8 days. Throughout August, 90mm (3.54") of precipitation is accumulated. Throughout the year, in Shiida, there are 182.4 rainfall days, and 979mm (38.54") of precipitation is accumulated.Snowfall
In Shiida, snow does not fall in April through November.Sea temperature
The month with the warmest seawater is August, with an average sea temperature of 26.5°C (79.7°F).Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) in water are ideal for swimming, diving, and other activities, providing enjoyment and comfort for extended durations.
Daylight
In August, the average length of the day is 13h and 23min.On the first day of the month, sunrise is at 05:28 and sunset at 19:16. On the last day of August, sunrise is at 05:49 and sunset at 18:42 JST.
Sunshine
August has the most sunshine of the year in Shiida, with an average of 10.3h of sunshine.UV index
In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 6 in August converts into the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Heads up! The reflection of sand and water notably intensifies UV rays from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Shiida, 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 (7.8°C).
- Average low temperature in August: 23.2°C
The month with the highest average low temperature is August (23.2°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).
Average pressure in August
Shiida, Japan
- Average pressure in August: 1008.8mbar
The month with the highest atmospheric pressure is January (1021.8mbar).
The month with the lowest atmospheric pressure is June (1008.3mbar).
Average wind speed in August
Shiida, Japan
- Average wind speed in August: 8.6km/h
The windiest months (with the highest average wind speed) are January and December (12.4km/h).
The calmest month (with the lowest average wind speed) is June (7.9km/h).
Average humidity in August
Shiida, 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 (73%).
Average rainfall in August
Shiida, Japan
- Average rainfall in August: 90mm
The wettest month (with the highest rainfall) is July (181mm).
The driest month (with the least rainfall) is November (45mm).
Average rainfall days in August
Shiida, Japan
- Average rainfall days in August: 17.8 days
The month with the highest number of rainy days is July (21.3 days).
The months with the least rainy days are May and October (11.2 days).
Average snowfall in August
Shiida, Japan
- Average snowfall in August: 0mm
The month with the highest snowfall is January (33mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in August
Shiida, Japan
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in August
Shiida, Japan
- Average sea temperature in August: 26.5°C
The best month for swimming (with the highest average sea temperature) is August (26.5°C).
The coldest month (with the lowest average sea temperature) is February (11.8°C).
Average daylight in August /
Average sunshine in August
Shiida, Japan
- Average daylight in August: 13h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- 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 January (Average sunshine: 4h and 0min).
Average sunshine days in August
Shiida, Japan
- Average sunshine days in August: 10.9 days
The month with the most sunshine days is May (18.4 days).
The month with the least sunshine days is July (8.1 days).
Average UV index in August
Shiida, 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
Shiida, Japan
- Average cloud cover in August: 34
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in August
Shiida, 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).





