August weather forecastTemecula, CA

August
Weather in August
Moving onto August, the weather in Temecula continues to simmer under the summer sun. With higher temperatures compared to the following September and reduced rainfall, the residents bask under the summer heat. Despite receiving abundant sunshine, August carries lower humidity making the weather pleasant. The number of sunlit days tops the chart offering uninterrupted sunshine and a bright blue sky. However, the cool breeze flowing at a steady speed of around 4.4mph (7.1km/h) ensures a slightly cooler and comfortable environment, making August a great month for outdoor festivities.Temperature
August temperatures in Temecula tend to peak at an average high of 87.4°F (30.8°C) and dip to a low of 62.2°F (16.8°C).Heat index
During August, the heat index is evaluated at a tropical 91.4°F (33°C). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
In Temecula, the average relative humidity in August is 53%.Rainfall
In Temecula, during August, the rain falls for 4 days and regularly aggregates up to 0.39" (10mm) of precipitation. Throughout the year, there are 60.6 rainfall days, and 9.37" (238mm) of precipitation is accumulated.Daylight
The average length of the day in August in Temecula is 13h and 21min.On the first day of August in Temecula, sunrise is at 6:01 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:14 pm PDT.
Sunshine
The average sunshine in August in Temecula is 12h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Temecula, California. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 6 in August interprets into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Temecula, CA
- Average high temperature in August: 87.4°F
The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is December (61.7°F).
- Average low temperature in August: 62.2°F
The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is February (43.3°F).
Average pressure in August
Temecula, 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
Temecula, CA
- Average wind speed in August: 4.4mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is September (4.3mph).
Average humidity in August
Temecula, CA
- Average humidity in August: 53%
The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is November (52%).
Average rainfall in August
Temecula, CA
- Average rainfall in August: 0.39"
The wettest month (with the highest rainfall) is December (1.81").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in August
Temecula, CA
- Average rainfall days in August: 4 days
The month with the highest number of rainy days is March (8.2 days).
The month with the least rainy days is June (1.4 days).
Average daylight in August /
Average sunshine in August
Temecula, CA
- Average daylight in August: 13h and 24min
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 30min).
Average sunshine days in August
Temecula, CA
- Average sunshine days in August: 24.9 days
The month with the most sunshine days is June (26.5 days).
The month with the least sunshine days is February (20.8 days).
Average UV index in August
Temecula, CA
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in August
Temecula, CA
- Average cloud cover in August: 7
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in August
Temecula, 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).





