August weather forecastSanta Margarita, CA
August
Weather in August
The last month of the summer, August, is another warm month in Santa Margarita, California, with an average temperature fluctuating between 85.5°F (29.7°C) and 59.5°F (15.3°C).Temperature
Temperature records mark August as the warmest month, with highs averaging 85.5°F (29.7°C) and lows at 59.5°F (15.3°C).Heat index
The heat index for August is computed to be a tropical 87.8°F (31°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.Be advised, the heat index considers values for conditions in shade and with a light breeze. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
In August, the average relative humidity is 53%.Rainfall
The months with the least rainfall are June and August Rain falls for 0.9 days and accumulates 0.04" (1mm) of rain.Daylight
In August, the average length of the day is 13h and 27min.On the first day of August, sunrise is at 6:11 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:30 pm PDT.
Sunshine
In Santa Margarita, the average sunshine in August is 11.9h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 6 during August translates into these guidelines:
Fend off overexposure. Sun protection is vital. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Santa Margarita, CA
- Average high temperature in August: 85.5°F
The warmest month (with the highest average high temperature) is August (85.5°F).
The month with the lowest average high temperature is December (58.5°F).
- Average low temperature in August: 59.5°F
The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is December (42.8°F).
Average pressure in August
Santa Margarita, CA
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed in August
Santa Margarita, CA
- Average wind speed in August: 4.5mph
The windiest months (with the highest average wind speed) are March and April (5.9mph).
The calmest months (with the lowest average wind speed) are August and September (4.5mph).
Average humidity in August
Santa Margarita, CA
- Average humidity in August: 53%
The months with the highest relative humidity are February and March (68%).
The month with the lowest relative humidity is September (50%).
Average rainfall in August
Santa Margarita, CA
- Average rainfall in August: 0.04"
The wettest month (with the highest rainfall) is March (1.73").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in August
Santa Margarita, CA
- Average rainfall days in August: 0.9 days
The month with the highest number of rainy days is March (10.2 days).
The month with the least rainy days is June (0.8 days).
Average daylight in August /
Average sunshine in August
Santa Margarita, CA
- Average daylight in August: 13h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in August: 11h and 54min
The months with the most sunshine are June and July (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 6h and 18min).
Average sunshine days in August
Santa Margarita, CA
- Average sunshine days in August: 29.8 days
The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is February (19.7 days).
Average UV index in August
Santa Margarita, 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 February, November and December (UV index 3).
Average cloud cover in August
Santa Margarita, CA
- Average cloud cover in August: 6
The month with the most cloud cover is March (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in August
Santa Margarita, 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).
