August weather forecast
South Whittier, CA

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Weather in August

August, the last month of the summer in South Whittier, is another warm month, with an average temperature ranging between max 85.6°F (29.8°C) and min 65.8°F (18.8°C).

Temperature

August tends to be the warmest month, with temperatures averaging a daily high of 85.6°F (29.8°C) and a low of 65.8°F (18.8°C).

Heat index

The heat index value during August is calculated to be a hot 89.6°F (32°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.
Bear in mind that the heat index values are determined for shaded areas and light breezes. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. 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 hold particular importance for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

In August, the average relative humidity in South Whittier is 55%.

Rainfall

In South Whittier, in August, it is raining for 0.8 days, with typically 0.04" (1mm) of accumulated precipitation. Throughout the year, in South Whittier, California, there are 27.3 rainfall days, and 1.97" (50mm) of precipitation is accumulated.

Daylight

In August, the average length of the day in South Whittier is 13h and 23min.
On the first day of August in South Whittier, sunrise is at 6:04 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:18 pm PDT.

Sunshine

The months with the most sunshine in South Whittier are July and August, with an average of 12h of sunshine.

UV index

With an average maximum UV index of 7, August is the month with the highest UV index in South Whittier. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: A maximum high daily UV index of 7 during August translates into the following directions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest in South Whittier?

South Whittier's warmest temperatures are experienced in August, with average high temperatures of 85.6°F (29.8°C) and lows of 65.8°F (18.8°C).

How hot is August in South Whittier?

August temperatures in South Whittier, California, vary between a high-temperature of 85.6°F (29.8°C) and a low-temperature of 65.8°F (18.8°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 89.6°F (32°C).

What is the average humidity in August in South Whittier?

The average relative humidity in August in South Whittier, California, is 55%.

How much does it rain in South Whittier in August?

In South Whittier, during August, the rain falls for 0.8 days and regularly aggregates up to 0.04" (1mm) of precipitation.

How many hours of daylight does South Whittier have in August?

In August, the average day length in South Whittier is 13h and 23min.

When is the sunrise / sunset in August in South Whittier?

On the first day of August in South Whittier, California, sunrise is at 6:04 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:18 pm PDT.

What are the months with the most sunshine in South Whittier?

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

How many hours of sunshine does South Whittier have in August?

The average sunshine duration in August is 12h.

What is the month with the highest UV index in South Whittier?

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

What is the UV index intensity in August in South Whittier?

In South Whittier, the average daily maximum UV index in August is 7. 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
South Whittier, CA

Average temperature in August - South Whittier, CA
  • Average high temperature in August: 85.6°F

The warmest month (with the highest average high temperature) is August (85.6°F).
The month with the lowest average high temperature is December (64.8°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 (49.8°F).

Average pressure in August
South Whittier, CA

Average pressure in August - South Whittier, CA
  • Average pressure in August: 29.9"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).

Average wind speed in August
South Whittier, CA

Average wind speed in August - South Whittier, CA
  • Average wind speed in August: 4.8mph

The windiest month (with the highest average wind speed) is April (6mph).
The calmest months (with the lowest average wind speed) are September and October (4.7mph).

Average humidity in August
South Whittier, CA

Average humidity in August - South Whittier, CA
  • Average humidity in August: 55%

The month with the highest relative humidity is June (63%).
The month with the lowest relative humidity is November (48%).

Average rainfall in August
South Whittier, CA

Average rainfall in August - South Whittier, CA
  • Average rainfall in August: 0.04"

The wettest month (with the highest rainfall) is December (0.47").
The driest month (with the least rainfall) is June (0").

Average rainfall days in August
South Whittier, CA

Average rainfall days in August - South Whittier, CA
  • Average rainfall days in August: 0.8 days

The month with the highest number of rainy days is March (4.6 days).
The month with the least rainy days is June (0.5 days).

Average daylight in August /
Average sunshine in August
South Whittier, CA

Average daylight in August / Average sunshine in August - South Whittier, 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 months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).

Average sunshine days in August
South Whittier, CA

Average sunshine days in August - South Whittier, CA
  • Average sunshine days in August: 28.7 days

The month with the most sunshine days is June (29.3 days).
The month with the least sunshine days is February (23.8 days).

Average UV index in August
South Whittier, CA

Average UV index in August - South Whittier, 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 February, November and December (UV index 4).

Average cloud cover in August
South Whittier, CA

Average cloud cover in August - South Whittier, CA
  • Average cloud cover in August: 6

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 6).

Average visibility in August
South Whittier, CA

Average visibility in August - South Whittier, 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).

South Whittier, California, USA

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