August weather forecastSasayama, Japan
August
Weather in August
August, the last month of the summer in Sasayama, is a hot month, with an average temperature fluctuating between 22.4°C (72.3°F) and 30.7°C (87.3°F).Temperature
August is the month that records the highest temperatures, with averages ranging from a high of 30.7°C (87.3°F) to a low of 22.4°C (72.3°F).Heat index
During August, the heat index is appraised at a blisteringly hot 40°C (104°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.Note that heat index values are valued for light wind and location in the shade. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.
Humidity
The average relative humidity in August is 80%.Rainfall
In Sasayama, Japan, in August, during 16 rainfall days, 53mm (2.09") of precipitation is typically accumulated. In Sasayama, during the entire year, the rain falls for 131.4 days and collects up to 393mm (15.47") of precipitation.Snowfall
April through November are months without snowfall in Sasayama, Japan.Daylight
In August, the average length of the day in Sasayama, Japan, is 13h and 27min.On the first day of the month, sunrise is at 05:08 and sunset at 19:02. On the last day of August, sunrise is at 05:31 and sunset at 18:27 JST.
Sunshine
August has the most sunshine of the year, with an average of 10.3h of sunshine.UV index
In Sasayama, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 6 during August translates into the following directions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Sasayama, Japan
- Average high temperature in August: 30.7°C
The warmest month (with the highest average high temperature) is August (30.7°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in August: 22.4°C
The month with the highest average low temperature is August (22.4°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure in August
Sasayama, Japan
- Average pressure in August: 1009.5mbar
The month with the highest atmospheric pressure is February (1020mbar).
The month with the lowest atmospheric pressure is June (1008.7mbar).
Average wind speed in August
Sasayama, Japan
- Average wind speed in August: 7.7km/h
The windiest month (with the highest average wind speed) is March (9.8km/h).
The calmest month (with the lowest average wind speed) is June (7.5km/h).
Average humidity in August
Sasayama, Japan
- Average humidity in August: 80%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is May (75%).
Average rainfall in August
Sasayama, Japan
- Average rainfall in August: 53mm
The wettest month (with the highest rainfall) is July (88mm).
The driest months (with the least rainfall) are January and November (9mm).
Average rainfall days in August
Sasayama, Japan
- Average rainfall days in August: 16 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in August
Sasayama, Japan
- Average snowfall in August: 0mm
The month with the highest snowfall is February (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in August
Sasayama, Japan
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (3.1 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
Sasayama, 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: 4h and 18min).
Average sunshine days in August
Sasayama, Japan
- Average sunshine days in August: 12.4 days
The month with the most sunshine days is January (21.6 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in August
Sasayama, 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
Sasayama, Japan
- Average cloud cover in August: 37
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in August
Sasayama, Japan
- Average visibility in August: 8km
The months with the highest visibility are January, February, March, April, May, October, November and December (9km).
The months with the lowest visibility are June, July, August and September (8km).





