August weather forecast
Santa Ana, CA

Share
Night lights of the street in Santa Ana, California, with palm trees lining the street
Night lights of the street in Santa Ana, California, with palm trees lining the street

Weather in August

August in Santa Ana is typically the warmest month of the year, with the temperature reaching a yearly peak of 83.1°F (28.4°C). Despite the increase in heat, rainfall remains low at 0.24" (6mm). The city sees a decrease in wind speed further to 4.8mph (7.7km/h). With a relatively high-pressure of 29.89 in, the weather remains stable. Even in the heat, Santa Ana's summer charm remains undiminished.

Temperature

August is the month that records the highest temperatures in Santa Ana, California, with averages ranging from a high of 83.1°F (28.4°C) to a low of 64.9°F (18.3°C).

Heat index

During August, the heat index is evaluated at a hot 86°F (30°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.
In terms of the heat index, values are set with light wind and shade conditions in mind. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', arises from combining readings of air temperature and relative moisture content. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.

Humidity

In Santa Ana, the average relative humidity in August is 60%.

Rainfall

In Santa Ana, California, in August, during 2.4 rainfall days, 0.24" (6mm) of precipitation is typically accumulated. In Santa Ana, during the entire year, the rain falls for 55 days and collects up to 7.4" (188mm) of precipitation.

Daylight

The average length of the day in August is 13h and 22min.
On the first day of August in Santa Ana, sunrise is at 6:04 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:17 pm PDT.

Sunshine

July and August, with an average of 12h of sunshine, are months with the most sunshine in Santa Ana.

UV index

June through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: An average UV index of 6 in August transforms into this advice:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
[Resources]

Frequently asked questions

What is the hottest time of year in Santa Ana?

Santa Ana's warmest month, August, registers temperatures that range from a high of 83.1°F (28.4°C) to a low of 64.9°F (18.3°C).

How hot is August in Santa Ana?

In August, the average high-temperature and low-temperature in Santa Ana, California, are 83.1°F (28.4°C) and 64.9°F (18.3°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 86°F (30°C).

What is the average humidity in August in Santa Ana?

The average relative humidity in August in Santa Ana, California, is 60%.

How much does it rain in Santa Ana in August?

In August, in Santa Ana, the rain falls for 2.4 days. Throughout August, 0.24" (6mm) of precipitation is accumulated.

What is the average length of the day in August in Santa Ana?

The average day length in August in Santa Ana is 13h and 22min.

When is the sunrise / sunset in August in Santa Ana?

In August, on the first day of the month, sunrise is at 6:04 am and sunset at 7:51 pm. On the last day of the month, in Santa Ana, sunrise is at 6:25 am and sunset at 7:17 pm PDT.

What are the months with the most sunshine in Santa Ana?

July and August, with an average of 12h of sunshine, are months with the most sunshine in Santa Ana, California.

How many hours of sunshine does Santa Ana have in August?

In Santa Ana, the average sunshine duration in August is 12h.

When is the highest UV index in Santa Ana?

The months with the highest UV index in Santa Ana, California, are June through September, with an average maximum UV index of 6.

How high is the UV index in August in Santa Ana?

In August, the average daily maximum UV index in Santa Ana is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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
Santa Ana, CA

Average temperature in August - Santa Ana, CA
  • Average high temperature in August: 83.1°F

The warmest month (with the highest average high temperature) is August (83.1°F).
The month with the lowest average high temperature is December (63.7°F).

  • Average low temperature in August: 64.9°F

The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (50.2°F).

[Resources]

Average pressure in August
Santa Ana, CA

Average pressure in August - Santa Ana, CA
  • Average pressure in August: 29.89"Hg

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

[Resources]

Average wind speed in August
Santa Ana, CA

Average wind speed in August - Santa Ana, CA
  • Average wind speed in August: 4.8mph

The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is September (4.6mph).

[Resources]

Average humidity in August
Santa Ana, CA

Average humidity in August - Santa Ana, CA
  • Average humidity in August: 60%

The month with the highest relative humidity is June (66%).
The month with the lowest relative humidity is November (52%).

[Resources]

Average rainfall in August
Santa Ana, CA

Average rainfall in August - Santa Ana, CA
  • Average rainfall in August: 0.24"

The wettest month (with the highest rainfall) is December (1.54").
The driest month (with the least rainfall) is June (0.08").

[Resources]

Average rainfall days in August
Santa Ana, CA

Average rainfall days in August - Santa Ana, CA
  • Average rainfall days in August: 2.4 days

The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (1.7 days).

[Resources]

Average daylight in August /
Average sunshine in August
Santa Ana, CA

Average daylight in August / Average sunshine in August - Santa Ana, 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: 10h and 0min).

  • Average sunshine in August: 12h and 0min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

[Resources]

Average sunshine days in August
Santa Ana, CA

Average sunshine days in August - Santa Ana, CA
  • Average sunshine days in August: 24.7 days

The month with the most sunshine days is January (25 days).
The month with the least sunshine days is February (20.8 days).

[Resources]

Average UV index in August
Santa Ana, CA

Average UV index in August - Santa Ana, CA
  • Average UV index in August: 6

The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).

[Resources]

Average cloud cover in August
Santa Ana, CA

Average cloud cover in August - Santa Ana, CA
  • Average cloud cover in August: 5

The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 5).

[Resources]

Average visibility in August
Santa Ana, CA

Average visibility in August - Santa Ana, 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).

[Resources]

Santa Ana, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location