Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
August
Weather in August
Temperature
August, recording an average high temperature of 31.1°C (88°F) and a low temperature of 23.5°C (74.3°F), is Onojo's warmest month.Heat index
The average heat index in August is estimated at a blisteringly hot 41°C (105.8°F). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.Research indicates the heat index considers values in shaded locales and with light winds. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', gives a temperature feeling by integrating air temperature and humidity. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.
Humidity
The average relative humidity in August is 79%.Rainfall
In Onojo, in August, it is raining for 18.4 days, with typically 107mm (4.21") of accumulated precipitation. Throughout the year, there are 183.3 rainfall days, and 1145mm (45.08") of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In August, the average length of the day is 13h and 23min.On the first day of August, sunrise is at 05:30 and sunset at 19:18. On the last day of the month, sunrise is at 05:51 and sunset at 18:45 JST.
Sunshine
With an average of 9.6h 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 threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In August, the UV index of 6 transforms into the following advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the hottest?
How hot does it get in August?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
What is the average length of the day in August?
When are sunrise and sunset in August?
What month has the most sunshine?
How many hours of sunshine does Onojo have in August?
What is the UV index intensity in August?
Average temperature in August
Onojo, Japan
- Average high temperature in August: 31.1°C
The warmest month (with the highest average high temperature) is August (31.1°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in August: 23.5°C
The month with the highest average low temperature is August (23.5°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).
Average pressure in August
Onojo, Japan
- Average pressure in August: 1008.6mbar
The month with the highest atmospheric pressure is January (1022mbar).
The month with the lowest atmospheric pressure is June (1008.2mbar).
Average wind speed in August
Onojo, Japan
- Average wind speed in August: 8.3km/h
The windiest months (with the highest average wind speed) are January and March (10.7km/h).
The calmest month (with the lowest average wind speed) is June (7.6km/h).
Average humidity in August
Onojo, Japan
- Average humidity in August: 79%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is March (73%).
Average rainfall in August
Onojo, Japan
- Average rainfall in August: 107mm
The wettest month (with the highest rainfall) is July (221mm).
The driest month (with the least rainfall) is January (51mm).
Average rainfall days in August
Onojo, Japan
- Average rainfall days in August: 18.4 days
The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is October (11.4 days).
Average snowfall in August
Onojo, 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
Onojo, Japan
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (5.7 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
Onojo, Japan
- Average daylight in August: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in August: 9h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Onojo, Japan
- Average sunshine days in August: 10.3 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (7.1 days).
Average UV index in August
Onojo, 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
Onojo, Japan
- Average cloud cover in August: 39
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and October (Cloud cover 39).
Average visibility in August
Onojo, Japan
- Average visibility in August: 8km
The months with the highest visibility are January, February, March, April, May, September, October, November and December (9km).
The months with the lowest visibility are June, July and August (8km).
