August weather forecast
Pleasant Grove, CA

The last month of the summer, August, is another tropical month in Pleasant Grove, California, with temperature in the range of an average low of 60.1°F (15.6°C) and an average high of 94.1°F (34.5°C).

Temperature

As Pleasant Grove welcomes August, the average high-temperature stabilizes at a still hot 94.1°F (34.5°C), showing little deviation from July's 94.8°F (34.9°C). A noticeable temperature swing characterizes Pleasant Grove's August nights, dipping to an average of 60.1°F (15.6°C).

Heat index

August's mean heat index is calculated to be a sweltering 100.4°F (38°C). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight 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 'feels like' or 'felt air temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In August, the average relative humidity is 46%.

Rainfall

The months with the least rainfall are July and August Rain falls for 1.3 days and accumulates 0.04" (1mm) of rain.

Daylight

The average length of the day in August is 13h and 38min.
On the first day of the month, sunrise is at 6:07 am and sunset at 8:16 pm. On the last day of August, sunrise is at 6:34 am and sunset at 7:37 pm PDT.

Sunshine

In August, the average sunshine is 12h.

UV index

In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 6 in August suggests the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.