August weather forecast and climate
Yorba Linda, CA

Weather in August

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

Temperature

The warmest month is August, with an average high-temperature of 86.7°F (30.4°C) and an average low-temperature of 65.8°F (18.8°C).

Heat index

In August, the average heat index is estimated at a hot 90.3°F (32.4°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'real feel', or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is individual, with diverse people perceiving weather differently for numerous reasons (pregnancy, metabolic differences, clothing), and activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in August is 54%.

Rainfall

In Yorba Linda, in August, during 1.9 rainfall days, 0.16" (4mm) of precipitation is typically accumulated. Throughout the year, in Yorba Linda, California, there are 49 rainfall days, and 6.97" (177mm) of precipitation is accumulated.

Daylight

In August, the average length of the day is 13.4h.

Sunshine

The average sunshine in Yorba Linda, California, is 12h.

UV index

The month with the highest UV index in Yorba Linda is August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In August, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect 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.
[Resources]

FAQ

What is the warmest month in Yorba Linda?

The warmest month in Yorba Linda is August, with an average high-temperature of 86.7°F (30.4°C) and an average low-temperature of 65.8°F (18.8°C).

What is the temperature in August in Yorba Linda?

In August, in Yorba Linda, California, the average high-temperature is 86.7°F (30.4°C), and the average low-temperature is 65.8°F (18.8°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is estimated at 90.3°F (32.4°C).

What is the average humidity in August in Yorba Linda?

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

How many days does it rain in August in Yorba Linda?

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 August, the average length of the day in Yorba Linda, California, is 13.4h.

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

The average sunshine in August in Yorba Linda, California, is 12h.

When is the highest UV index in Yorba Linda?

The month with the highest UV index is August, with an average maximum UV index of 7.

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

In August, the average daily maximum UV index in Yorba Linda, California, is 7. A UV Index estimate of 6 to 7 represents a high health threat from the exposure to the Sun's UV rays.

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).

[Resources]

Average pressure in August
Yorba Linda, CA

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

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

[Resources]

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).

[Resources]

Average humidity in August
Yorba Linda, CA

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

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

[Resources]

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").

[Resources]

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).

[Resources]

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: 13.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in August: 12h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.8h).

[Resources]

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).

[Resources]

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).
Months with the lowest UV index are January, February, November and December (UV index 4).

[Resources]

Average cloud cover in August
Yorba Linda, CA

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

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).

[Resources]

Average visibility in August
Yorba Linda, CA

Average visibility in August - Yorba Linda, CA
  • Average visibility in August: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location