August weather forecast
Murrieta, CA

The weather in August in Murrieta experiences one of the warmest temperatures of the year reaching as high as 87.4°F (30.8°C). This month sees a slight increase in rainfall from the previous month, but remains predominantly dry. The long daylight hours and ample sunshine make for favorable conditions for all types of outdoor and recreational activities. As August concludes, there is a slight dip in temperatures and the city begins its progression into the fall season.

Temperature

August is the warmest month of the year in Murrieta, registering average temperatures as high as 87.4°F (30.8°C) and as low as 62.2°F (16.8°C).

Heat index

In August, the average heat index is appraised at a tropical 91.4°F (33°C). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

In August, the average relative humidity is 53%.

Rainfall

In Murrieta, California, 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

In August, the average length of the day is 13h and 22min.
On the first day of the month, sunrise is at 6:01 am and sunset at 7:48 pm. On the last day of August, in Murrieta, sunrise is at 6:22 am and sunset at 7:15 pm PDT.

Sunshine

In August, the average sunshine in Murrieta, California, is 12h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Murrieta. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The daily high UV index of 6 during August translates into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.