August weather forecastValley Center, CA
August
Weather in August
August, the last month of the summer in Valley Center, is a hot month, with an average temperature fluctuating between 86.9°F (30.5°C) and 63.1°F (17.3°C).Temperature
August, with its high-temperature average of 86.9°F (30.5°C) and a low-temperature average of 63.1°F (17.3°C), is the warmest month.Heat index
Throughout August, the heat index is appraised at a tropical 91.4°F (33°C). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.The heat index's values are generally associated with conditions in shade and light breezes. 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 'apparent temperature' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance 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 August, the average relative humidity is 56%.Rainfall
In Valley Center, during August, the rain falls for 3.2 days and regularly aggregates up to 0.28" (7mm) of precipitation. In Valley Center, during the entire year, the rain falls for 51.6 days and collects up to 5.59" (142mm) of precipitation.Snowfall
In Valley Center, snow does not fall in January, March through December.Daylight
In August, the average length of the day in Valley Center is 13h and 20min.On the first day of August in Valley Center, California, sunrise is at 6:01 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:14 pm PDT.
Sunshine
In Valley Center, the average sunshine in August 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 value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 6 in August, converts into the following recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Valley Center, CA
- Average high temperature in August: 86.9°F
The warmest month (with the highest average high temperature) is August (86.9°F).
The month with the lowest average high temperature is December (62.4°F).
- Average low temperature in August: 63.1°F
The month with the highest average low temperature is August (63.1°F).
The coldest month (with the lowest average low temperature) is February (44.6°F).
Average pressure in August
Valley Center, CA
- Average pressure in August: 29.87"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in August
Valley Center, CA
- Average wind speed in August: 4.3mph
The windiest month (with the highest average wind speed) is April (5.3mph).
The calmest month (with the lowest average wind speed) is September (4.2mph).
Average humidity in August
Valley Center, CA
- Average humidity in August: 56%
The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is November (52%).
Average rainfall in August
Valley Center, CA
- Average rainfall in August: 0.28"
The wettest month (with the highest rainfall) is February (0.94").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in August
Valley Center, CA
- Average rainfall days in August: 3.2 days
The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (1.3 days).
Average snowfall days in August
Valley Center, CA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in August /
Average sunshine in August
Valley Center, CA
- Average daylight in August: 13h and 18min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in August: 12h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in August
Valley Center, CA
- Average sunshine days in August: 25.7 days
The month with the most sunshine days is June (28.1 days).
The month with the least sunshine days is February (21.5 days).
Average UV index in August
Valley Center, 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
Valley Center, CA
- Average cloud cover in August: 6
The month with the most cloud cover is March (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in August
Valley Center, 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).





