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 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
The month of August, characterized by an average high of 88.2°F (31.2°C) and a low of 64.8°F (18.2°C), is recognized as the warmest.Heat index
The heat index in August is calculated to be a tropical 91.4°F (33°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.Keep in mind the heat index values are meant for areas in shade and with light wind. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humidity
In August, the average relative humidity in Arcadia is 48%.Rainfall
In Arcadia, in August, during 2.6 rainfall days, 0.16" (4mm) of precipitation is typically accumulated. Throughout the year, in Arcadia, there are 48.7 rainfall days, and 7.48" (190mm) of precipitation is accumulated.Daylight
In August, the average length of the day is 13h and 23min.On the first day of August, sunrise is at 6:03 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:18 pm PDT.
Sunshine
In August, the average sunshine in Arcadia is 12h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 6 in August leads to these guidelines:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the hottest?
How hot is it in August?
What is the average humidity in August?
How many days does it rain in August?
How many hours of daylight does Arcadia have in August?
When is the sunrise / sunset in August in Arcadia?
How many hours of sunshine does Arcadia have in August?
When is the highest UV index?
What is the UV index reading in August?
Average temperature in August
Arcadia, CA
- Average high temperature in August: 88.2°F
The warmest month (with the highest average high temperature) is August (88.2°F).
The month with the lowest average high temperature is December (62.1°F).
- Average low temperature in August: 64.8°F
The month with the highest average low temperature is August (64.8°F).
The coldest month (with the lowest average low temperature) is December (46.2°F).
Average pressure in August
Arcadia, CA
- Average pressure in August: 29.89"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Arcadia, CA
- Average wind speed in August: 4.6mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).
Average humidity in August
Arcadia, CA
- Average humidity in August: 48%
The months with the highest relative humidity are March, May and June (56%).
The month with the lowest relative humidity is November (46%).
Average rainfall in August
Arcadia, CA
- Average rainfall in August: 0.16"
The wettest month (with the highest rainfall) is December (1.54").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in August
Arcadia, CA
- Average rainfall days in August: 2.6 days
The month with the highest number of rainy days is March (6.5 days).
The month with the least rainy days is June (1.3 days).
Average daylight in August /
Average sunshine in August
Arcadia, CA
- Average daylight in August: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in August: 12h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 54min).
Average sunshine days in August
Arcadia, CA
- Average sunshine days in August: 26.2 days
The month with the most sunshine days is June (27.7 days).
The month with the least sunshine days is February (22 days).
Average UV index in August
Arcadia, CA
- Average UV index in August: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in August
Arcadia, CA
- Average cloud cover in August: 5
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in August
Arcadia, CA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Arcadia, California, USA
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