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
Brea's temperatures peak on average in August, reaching 86°F (30°C) at their highest and 65.8°F (18.8°C) at their lowest.Heat index
For most parts of August, the heat index is calculated to be a tropical 89.6°F (32°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.Be informed that the heat index values are oriented around shady conditions and gentle breezes. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
The average relative humidity in August is 55%.Rainfall
In Brea, in August, during 1.7 rainfall days, 0.12" (3mm) of precipitation is typically accumulated. In Brea, during the entire year, the rain falls for 45.6 days and collects up to 6.5" (165mm) of precipitation.Daylight
In Brea, the average length of the day in August is 13h and 23min.On the first day of August, sunrise is at 6:03 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:18 pm PDT.
Sunshine
July and August, with an average of 12h of sunshine, are months with the most sunshine.UV index
The month with the highest UV index is August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 7 in August translates into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest?
Is it hot during August?
What is the average humidity in August?
How many days does it rain in August?
What is the average length of the day in August?
When is the sunrise / sunset in August?
What are the months with the most sunshine?
How many hours of sunshine does Brea have in August?
What is the month with the highest UV index?
How high is the UV index in August?
Average temperature in August
Brea, CA
- Average high temperature in August: 86°F
The warmest month (with the highest average high temperature) is August (86°F).
The month with the lowest average high temperature is December (64.6°F).
- Average low temperature in August: 65.8°F
The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (49.8°F).
Average pressure in August
Brea, CA
- Average pressure in August: 29.89"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Brea, CA
- Average wind speed in August: 4.8mph
The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest months (with the lowest average wind speed) are September and October (4.7mph).
Average humidity in August
Brea, CA
- Average humidity in August: 55%
The month with the highest relative humidity is June (62%).
The month with the lowest relative humidity is November (49%).
Average rainfall in August
Brea, CA
- Average rainfall in August: 0.12"
The wettest month (with the highest rainfall) is December (1.5").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in August
Brea, CA
- Average rainfall days in August: 1.7 days
The month with the highest number of rainy days is March (6.7 days).
The month with the least rainy days is June (1.3 days).
Average daylight in August /
Average sunshine in August
Brea, 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 months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).
Average sunshine days in August
Brea, CA
- Average sunshine days in August: 26.7 days
The month with the most sunshine days is June (26.9 days).
The month with the least sunshine days is February (22.1 days).
Average UV index in August
Brea, CA
- Average UV index in August: 7
The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are February, November and December (UV index 4).
Average cloud cover in August
Brea, 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
Brea, 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).
Brea, California, USA
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