August weather forecastKnightsen, CA
August
Weather in August
August, the last month of the summer in Knightsen, is another tropical month, with temperature in the range of an average high of 87.4°F (30.8°C) and an average low of 57.4°F (14.1°C).Temperature
Knightsen's shift into August sets the average high-temperature at a still tropical 87.4°F (30.8°C), a figure that deviates only slightly from July's 88.5°F (31.4°C). Despite soaring daytime temperatures, Knightsen registers a consistent average low-temperature of 57.4°F (14.1°C) in August.Heat index
August's mean heat index is estimated at a hot 93.2°F (34°C). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.Know that the heat index computations account for shaded terrains and slight winds. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', comes about by integrating the temperature readings with the humidity levels. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Humidity
In August, the average relative humidity is 56%.Rainfall
July and August are months with the least rain when the rain falls for 0.8 days and typically aggregates up to 0.04" (1mm) of rain.Snowfall
January through November are months without snowfall in Knightsen.Daylight
In August, the average length of the day is 13h and 35min.On the first day of August, sunrise is at 6:10 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:37 pm PDT.
Sunshine
In Knightsen, the average sunshine in August is 11.9h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 6 during August translates into the following directions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full 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
Knightsen, CA
- Average high temperature in August: 87.4°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (55°F).
- Average low temperature in August: 57.4°F
The month with the highest average low temperature is September (57.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in August
Knightsen, CA
- Average pressure in August: 29.92"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Knightsen, CA
- Average wind speed in August: 7mph
The windiest month (with the highest average wind speed) is June (7.8mph).
The calmest months (with the lowest average wind speed) are January and November (4.5mph).
Average humidity in August
Knightsen, CA
- Average humidity in August: 56%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is September (52%).
Average rainfall in August
Knightsen, CA
- Average rainfall in August: 0.04"
The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in August
Knightsen, CA
- Average rainfall days in August: 0.8 days
The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (0.8 days).
Average snowfall days in August
Knightsen, CA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in August /
Average sunshine in August
Knightsen, CA
- Average daylight in August: 13h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in August: 11h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in August
Knightsen, 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 March (17.7 days).
Average UV index in August
Knightsen, CA
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in August
Knightsen, CA
- Average cloud cover in August: 7
The months with the most cloud cover are March and December (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in August
Knightsen, 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).





