August weather forecastOkegawa, Japan
August weather for Okegawa, Japan: August, the last month of the summer in Okegawa, is another tropical month, with temperature in the range of an average high of 32.3°C (90.1°F) and an average low of 24.8°C (76.6°F). Okegawa's warmest month, August, registers temperatures that range from a high of 32.3°C (90.1°F) to a low of 24.8°C (76.6°F).
August
Weather in August
August, the last month of the summer in Okegawa, is another tropical month, with temperature in the range of an average high of 32.3°C (90.1°F) and an average low of 24.8°C (76.6°F).Temperature
Okegawa's warmest month, August, registers temperatures that range from a high of 32.3°C (90.1°F) to a low of 24.8°C (76.6°F).Heat index
The heat index value during August is calculated to be a scorching 41°C (105.8°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.Know that the heat index computations account for shaded terrains and slight winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. As body temperatures escalate without effective heat release, one might face dehydration threats.
Humidity
In Okegawa, the average relative humidity in August is 70%.Rainfall
In Okegawa, in August, during 9.6 rainfall days, 24mm (0.94") of precipitation is typically accumulated. Throughout the year, there are 94.5 rainfall days, and 224mm (8.82") of precipitation is accumulated.Snowfall
April through December are months without snowfall in Okegawa.Daylight
The average length of the day in August is 13h and 30min.On the first day of August in Okegawa, sunrise is at 04:49 and sunset at 18:47. On the last day of the month, sunrise is at 05:12 and sunset at 18:11 JST.
Sunshine
With an average of 9.7h of sunshine, August has the most sunshine of the year.UV index
The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index, 6 during August, leads to the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Okegawa, Japan
- Average high temperature in August: 32.3°C
The warmest month (with the highest average high temperature) is August (32.3°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in August: 24.8°C
The month with the highest average low temperature is August (24.8°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).
Average pressure in August
Okegawa, Japan
- Average pressure in August: 1010.3mbar
The month with the highest atmospheric pressure is November (1018.3mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in August
Okegawa, Japan
- Average wind speed in August: 8.9km/h
The windiest months (with the highest average wind speed) are February and April (11.5km/h).
The calmest month (with the lowest average wind speed) is July (8.8km/h).
Average humidity in August
Okegawa, Japan
- Average humidity in August: 70%
The months with the highest relative humidity are June and July (73%).
The month with the lowest relative humidity is January (58%).
Average rainfall in August
Okegawa, Japan
- Average rainfall in August: 24mm
The wettest month (with the highest rainfall) is September (33mm).
The driest months (with the least rainfall) are February and December (6mm).
Average rainfall days in August
Okegawa, Japan
- Average rainfall days in August: 9.6 days
The month with the highest number of rainy days is September (10.3 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in August
Okegawa, 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, November and December (0mm).
Average snowfall days in August
Okegawa, Japan
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.1 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
Okegawa, 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 48min).
- Average sunshine in August: 9h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).
Average sunshine days in August
Okegawa, Japan
- Average sunshine days in August: 19.6 days
The month with the most sunshine days is January (25.3 days).
The month with the least sunshine days is June (16.9 days).
Average UV index in August
Okegawa, Japan
- Average UV index in August: 6
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in August
Okegawa, Japan
- Average cloud cover in August: 38
The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 27).
Average visibility in August
Okegawa, Japan
- Average visibility in August: 9km
The months with the highest visibility are January, February, March, April, May, October, November and December (10km).
The months with the lowest visibility are June, July, August and September (9km).





