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
August is the warmest month, with an average high-temperature of 88.2°F (31.2°C) and an average low-temperature of 63.7°F (17.6°C).Heat index
For August, the heat index is estimated at a tropical 89.6°F (32°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.Heat index details are generally centered around shaded locations and a mild breeze. 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 'real feel' or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
August and October, with an average relative humidity of 43%, are the least humid months.Rainfall
The months with the least rainfall are June and August Rain falls for 0.8 days and accumulates 0.04" (1mm) of rain.Daylight
In Castaic, the average length of the day in August is 13h and 24min.On the first day of the month, sunrise is at 6:05 am and sunset at 7:55 pm. On the last day of August, in Castaic, California, sunrise is at 6:27 am and sunset at 7:21 pm PDT.
Sunshine
In Castaic, the average sunshine in August is 12h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Castaic. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 6 in August transforms into the following instructions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Frequently asked questions
What month is the hottest in Castaic?
How hot is August in Castaic?
What are the least humid months in Castaic?
What is the average humidity in August in Castaic?
What is the driest month in Castaic?
How many days does it rain in August in Castaic?
What is the average length of the day in August in Castaic?
When are sunrise and sunset in August in Castaic?
How many hours of sunshine does Castaic have in August?
When is the highest UV index in Castaic?
What is the UV index intensity in August in Castaic?
Average temperature in August
Castaic, 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 (59.5°F).
- Average low temperature in August: 63.7°F
The month with the highest average low temperature is August (63.7°F).
The coldest month (with the lowest average low temperature) is December (42.3°F).
Average pressure in August
Castaic, CA
- Average pressure in August: 29.9"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
Castaic, CA
- Average wind speed in August: 4.9mph
The windiest months (with the highest average wind speed) are January and December (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in August
Castaic, CA
- Average humidity in August: 43%
The month with the highest relative humidity is March (56%).
The months with the lowest relative humidity are August and October (43%).
Average rainfall in August
Castaic, CA
- Average rainfall in August: 0.04"
The wettest month (with the highest rainfall) is December (1.42").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in August
Castaic, CA
- Average rainfall days in August: 0.8 days
The month with the highest number of rainy days is March (6.9 days).
The month with the least rainy days is June (0.7 days).
Average daylight in August /
Average sunshine in August
Castaic, 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 June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in August
Castaic, CA
- Average sunshine days in August: 28.7 days
The month with the most sunshine days is August (28.7 days).
The month with the least sunshine days is February (21.5 days).
Average UV index in August
Castaic, CA
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in August
Castaic, CA
- Average cloud cover in August: 4
The month with the most cloud cover is March (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility in August
Castaic, 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).
Castaic, California, USA
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