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
Foothill Ranch's August weather, with an average high temperature of 82°F (27.8°C) and an average low temperature of 64.4°F (18°C), tends to be the warmest of the year.Heat index
For August, the heat index is computed to be 84.2°F (29°C). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. 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 are of high significance 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.
Humidity
In Foothill Ranch, the average relative humidity in August is 62%.Rainfall
In Foothill Ranch, during August, the rain falls for 3.3 days and regularly aggregates up to 0.39" (10mm) of precipitation. Throughout the year, there are 65.4 rainfall days, and 9.17" (233mm) of precipitation is accumulated.Daylight
The average length of the day in August in Foothill Ranch is 13h and 22min.On the first day of August, sunrise is at 6:03 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 7:17 pm PDT.
Sunshine
July and August, with an average of 12h of sunshine, are months with the most sunshine in Foothill Ranch.UV index
June through September, with an average maximum UV index of 6, are months with the highest UV index in Foothill Ranch. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 6 in August leads to these guidelines:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
What time of the year is the hottest in Foothill Ranch?
What is the average August temperature in Foothill Ranch?
What is the average humidity in August in Foothill Ranch?
How much does it rain in Foothill Ranch in August?
How many hours of daylight does Foothill Ranch have in August?
What time are sunrise and sunset in August in Foothill Ranch?
What are the months with the most sunshine in Foothill Ranch?
How many hours of sunshine does Foothill Ranch have in August?
What are the months with the highest UV index in Foothill Ranch?
How high is the UV index in August in Foothill Ranch?
Average temperature in August
Foothill Ranch, CA
- Average high temperature in August: 82°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (63.1°F).
- Average low temperature in August: 64.4°F
The month with the highest average low temperature is August (64.4°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).
Average pressure in August
Foothill Ranch, CA
- Average pressure in August: 29.89"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).
Average wind speed in August
Foothill Ranch, CA
- Average wind speed in August: 4.5mph
The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest months (with the lowest average wind speed) are August and September (4.5mph).
Average humidity in August
Foothill Ranch, CA
- Average humidity in August: 62%
The months with the highest relative humidity are May and June (69%).
The month with the lowest relative humidity is November (55%).
Average rainfall in August
Foothill Ranch, CA
- Average rainfall in August: 0.39"
The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in August
Foothill Ranch, CA
- Average rainfall days in August: 3.3 days
The month with the highest number of rainy days is March (8.1 days).
The month with the least rainy days is June (2 days).
Average daylight in August /
Average sunshine in August
Foothill Ranch, 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: 10h and 0min).
- Average sunshine in August: 12h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in August
Foothill Ranch, CA
- Average sunshine days in August: 23.8 days
The months with the most sunshine days are January and October (24.2 days).
The month with the least sunshine days is May (19.3 days).
Average UV index in August
Foothill Ranch, CA
- Average UV index in August: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in August
Foothill Ranch, CA
- Average cloud cover in August: 6
The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in August
Foothill Ranch, 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).
Foothill Ranch, California, USA
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