August weather forecast
Yorba Linda, CA

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Weather in August

The last month of the summer, August, is a hot month in Yorba Linda, California, with temperature in the range of an average low of 65.8°F (18.8°C) and an average high of 86.7°F (30.4°C).

Temperature

Yorba Linda's temperatures tend to reach their peak averages in August, with a high of 86.7°F (30.4°C) and a low of 65.8°F (18.8°C).

Heat index

The heat index value during August is estimated at a hot 89.6°F (32°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.
Heat index evaluations are typically in the context of light winds and shaded environments. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.

Humidity

In August, the average relative humidity in Yorba Linda, California, is 54%.

Rainfall

In Yorba Linda, during August, the rain falls for 1.9 days and regularly aggregates up to 0.16" (4mm) of precipitation. In Yorba Linda, during the entire year, the rain falls for 49 days and collects up to 6.97" (177mm) of precipitation.

Daylight

In August, the average length of the day in Yorba Linda is 13h and 22min.
On the first day of the month, sunrise is at 6:03 am and sunset at 7:51 pm. On the last day of August, sunrise is at 6:24 am and sunset at 7:17 pm PDT.

Sunshine

In August, the average sunshine is 12h.

UV index

With an average maximum UV index of 7, August is the month with the highest UV index in Yorba Linda. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A daily maximum UV index of 7 in August translates into the following instructions:
Deter overexposure. Protecting against the sun's effects is essential. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

What is the hottest time of year in Yorba Linda?

In Yorba Linda, California, the peak temperatures are generally noted in August, averaging a high of 86.7°F (30.4°C) and a low of 65.8°F (18.8°C).

How hot is August in Yorba Linda?

The average high-temperature, in August, in Yorba Linda, is 86.7°F (30.4°C), while the average low-temperature is 65.8°F (18.8°C). The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 89.6°F (32°C).

What is the average humidity in August in Yorba Linda?

The average relative humidity in August in Yorba Linda is 54%.

How much does it rain in Yorba Linda in August?

In Yorba Linda, in August, it is raining for 1.9 days, with typically 0.16" (4mm) of accumulated precipitation.

How many hours of daylight does Yorba Linda have in August?

In Yorba Linda, the average day length in August is 13h and 22min.

When is the sunrise / sunset in August in Yorba Linda?

In August, on the first day of the month, sunrise is at 6:03 am and sunset at 7:51 pm. On the last day of the month, in Yorba Linda, sunrise is at 6:24 am and sunset at 7:17 pm PDT.

How long on average sun shines in August in Yorba Linda?

In August, the average sunshine duration in Yorba Linda, California, is 12h.

When is the highest UV index in Yorba Linda?

August is the month with the highest UV index in Yorba Linda, California, with an average maximum UV index of 7.

What is the UV index intensity in August in Yorba Linda?

The average daily maximum UV index in August is 7. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Yorba Linda, CA

Average temperature in August - Yorba Linda, CA
  • Average high temperature in August: 86.7°F

The warmest month (with the highest average high temperature) is August (86.7°F).
The month with the lowest average high temperature is December (64°F).

  • Average low temperature in August: 65.8°F

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (48.9°F).

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Average pressure in August
Yorba Linda, CA

Average pressure in August - Yorba Linda, CA
  • Average pressure in August: 29.89"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).

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Average wind speed in August
Yorba Linda, CA

Average wind speed in August - Yorba Linda, CA
  • Average wind speed in August: 4.7mph

The windiest month (with the highest average wind speed) is April (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).

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Average humidity in August
Yorba Linda, CA

Average humidity in August - Yorba Linda, CA
  • Average humidity in August: 54%

The months with the highest relative humidity are May and June (61%).
The month with the lowest relative humidity is November (49%).

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Average rainfall in August
Yorba Linda, CA

Average rainfall in August - Yorba Linda, CA
  • Average rainfall in August: 0.16"

The wettest month (with the highest rainfall) is December (1.54").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in August
Yorba Linda, CA

Average rainfall days in August - Yorba Linda, CA
  • Average rainfall days in August: 1.9 days

The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is June (1.2 days).

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Average daylight in August /
Average sunshine in August
Yorba Linda, CA

Average daylight in August / Average sunshine in August - Yorba Linda, CA
  • Average daylight in August: 13h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • 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 48min).

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Average sunshine days in August
Yorba Linda, CA

Average sunshine days in August - Yorba Linda, CA
  • Average sunshine days in August: 25.9 days

The month with the most sunshine days is August (25.9 days).
The month with the least sunshine days is February (21.2 days).

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Average UV index in August
Yorba Linda, CA

Average UV index in August - Yorba Linda, CA
  • Average UV index in August: 7

The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 4).

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Average cloud cover in August
Yorba Linda, CA

Average cloud cover in August - Yorba Linda, CA
  • Average cloud cover in August: 5

The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in August
Yorba Linda, CA

Average visibility in August - Yorba Linda, 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).

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Yorba Linda, California, USA

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