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
Weather in August
Temperature
August temperatures tend to peak at an average high of 29.2°C (84.6°F) and dip to a low of 20.8°C (69.4°F).Heat index
For most parts of August, the heat index is appraised at a tropical 34°C (93.2°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Humidity
The average relative humidity in August in Onishi is 76%.Rainfall
In August, in Onishi, the rain falls for 23.1 days. Throughout August, 122mm (4.8") of precipitation is accumulated. In Onishi, during the entire year, the rain falls for 198.8 days and collects up to 991mm (39.02") of precipitation.Snowfall
May through October are months without snowfall in Onishi.Daylight
The average length of the day in August is 13h and 31min.On the first day of August, sunrise is at 04:50 and sunset at 18:49. On the last day of the month, sunrise is at 05:14 and sunset at 18:13 JST.
Sunshine
May and August, with an average of 9.8h of sunshine, are months with the most sunshine in Onishi.UV index
July and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 6 during August translates into these guidelines:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What time of the year is the hottest in Onishi?
How hot is August in Onishi?
What is the average humidity in August in Onishi?
How many days does it rain in August in Onishi?
When it does not snow in Onishi?
How many hours of daylight does Onishi have in August?
When is the sunrise / sunset in August in Onishi?
What is the month with the most sunshine in Onishi?
How long on average sun shines in August in Onishi?
What are the months with the highest UV index in Onishi?
What is the UV index intensity in August in Onishi?
Average temperature in August
Onishi, Japan
- Average high temperature in August: 29.2°C
The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (5°C).
- Average low temperature in August: 20.8°C
The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure in August
Onishi, Japan
- Average pressure in August: 1010.4mbar
The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in August
Onishi, Japan
- Average wind speed in August: 5.8km/h
The windiest month (with the highest average wind speed) is January (10km/h).
The calmest month (with the lowest average wind speed) is July (5.7km/h).
Average humidity in August
Onishi, Japan
- Average humidity in August: 76%
The months with the highest relative humidity are July and September (79%).
The month with the lowest relative humidity is January (65%).
Average rainfall in August
Onishi, Japan
- Average rainfall in August: 122mm
The wettest month (with the highest rainfall) is October (156mm).
The driest months (with the least rainfall) are February and December (27mm).
Average rainfall days in August
Onishi, Japan
- Average rainfall days in August: 23.1 days
The month with the highest number of rainy days is July (26 days).
The month with the least rainy days is February (9.7 days).
Average snowfall in August
Onishi, Japan
- Average snowfall in August: 0mm
The month with the highest snowfall is February (99mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in August
Onishi, Japan
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Onishi, Japan
- Average daylight in August: 13h and 3min
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 5min
The months with the most sunshine are May and August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in August
Onishi, Japan
- Average sunshine days in August: 5.4 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is July (3.1 days).
Average UV index in August
Onishi, Japan
- Average UV index in August: 6
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in August
Onishi, Japan
- Average cloud cover in August: 43
The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is December (Cloud cover 24).
Average visibility in August
Onishi, Japan
- Average visibility in August: 8km
The months with the highest visibility are January and December (10km).
The months with the lowest visibility are June, July, August and September (8km).
Onishi, Japan
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