August weather forecastOyama, Japan
August
Weather in August
August, the last month of the summer in Oyama, is a hot month, with an average temperature fluctuating between 23.3°C (73.9°F) and 31.2°C (88.2°F).Temperature
August is the warmest month of the year, registering average temperatures as high as 31.2°C (88.2°F) and as low as 23.3°C (73.9°F).Heat index
In August, the heat index is estimated at a fiery hot 39°C (102.2°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.In terms of the heat index, values are set with light wind and shade conditions in mind. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gives a temperature feeling by integrating air temperature and humidity. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. 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 largely significant for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.
Humidity
In Oyama, the average relative humidity in August is 74%.Rainfall
In Oyama, in August, it is raining for 14.2 days, with typically 24mm (0.94") of accumulated precipitation. Throughout the year, there are 99.4 rainfall days, and 187mm (7.36") of precipitation is accumulated.Snowfall
In Oyama, snow does not fall in April through December.Daylight
In August, the average length of the day in Oyama, Japan, is 13h and 31min.On the first day of August, sunrise is at 04:47 and sunset at 18:46. On the last day of the month, sunrise is at 05:11 and sunset at 18:10 JST.
Sunshine
The month with the most sunshine is August, with an average of 9.9h of sunshine.UV index
The average daily maximum UV index in August in Oyama is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 6 during August translates into these guidelines:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Oyama, Japan
- Average high temperature in August: 31.2°C
The warmest month (with the highest average high temperature) is August (31.2°C).
The month with the lowest average high temperature is January (7.1°C).
- Average low temperature in August: 23.3°C
The month with the highest average low temperature is August (23.3°C).
The coldest month (with the lowest average low temperature) is January (0.2°C).
Average pressure in August
Oyama, Japan
- Average pressure in August: 1010.3mbar
The month with the highest atmospheric pressure is November (1018.5mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in August
Oyama, Japan
- Average wind speed in August: 7.4km/h
The windiest month (with the highest average wind speed) is April (9.5km/h).
The calmest month (with the lowest average wind speed) is November (7km/h).
Average humidity in August
Oyama, Japan
- Average humidity in August: 74%
The month with the highest relative humidity is July (78%).
The month with the lowest relative humidity is January (61%).
Average rainfall in August
Oyama, Japan
- Average rainfall in August: 24mm
The wettest month (with the highest rainfall) is July (35mm).
The driest month (with the least rainfall) is December (3mm).
Average rainfall days in August
Oyama, Japan
- Average rainfall days in August: 14.2 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is December (3.3 days).
Average snowfall in August
Oyama, Japan
- Average snowfall in August: 0mm
The month with the highest snowfall is February (4mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in August
Oyama, Japan
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.9 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
Oyama, Japan
- Average daylight in August: 13h and 30min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in August: 9h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).
Average sunshine days in August
Oyama, Japan
- Average sunshine days in August: 10.9 days
The month with the most sunshine days is December (27.5 days).
The month with the least sunshine days is July (7.5 days).
Average UV index in August
Oyama, 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
Oyama, Japan
- Average cloud cover in August: 40
The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 25).
Average visibility in August
Oyama, Japan
- Average visibility in August: 9km
The months with the highest visibility are January, February, March, November and December (10km).
The months with the lowest visibility are April, May, June, July, August, September and October (9km).
