August weather forecast and climate
South Whittier, CA

Weather in August

The last month of the summer, August, is also a moderately hot month in South Whittier, California, with temperature in the range of an average low of 65.8°F (18.8°C) and an average high of 85.6°F (29.8°C).

Temperature

The warmest month is August, with an average high-temperature of 85.6°F (29.8°C) and an average low-temperature of 65.8°F (18.8°C).

Heat index

The average heat index is calculated to a tropical 88.9°F (31.6°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'feels like', or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like activity, metabolic differences, clothing, and wind affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise 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

In August, the average relative humidity is 55%.

Rainfall

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

Daylight

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

Sunshine

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

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 reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV rays for the average person.
Note: In August, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
[Resources]

FAQ

What is the warmest month in South Whittier?

August is the warmest month in South Whittier, with an average high-temperature of 85.6°F (29.8°C) and an average low-temperature of 65.8°F (18.8°C).

What is the temperature in August in South Whittier?

The average high-temperature, in August, in South Whittier, California, is 85.6°F (29.8°C), while the average low-temperature is 65.8°F (18.8°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), that combines relative humidity and air temperature, is calculated to 88.9°F (31.6°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, in August, it is raining for 0.8 days, with typically 0.04" (1mm) of accumulated precipitation.

What is the average length of the day in August in South Whittier?

In South Whittier, California, the average length of the day in August is 13.4h.

What is the month with the most sunshine in South Whittier?

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

How long on average sun shines in August in South Whittier?

In August, the average sunshine in South Whittier is 12h.

When is the highest UV index in South Whittier?

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

How high is the UV index in August in South Whittier?

In South Whittier, the average daily maximum UV index in August is 7. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to the UV radiation.

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).

[Resources]

Average pressure in August
South Whittier, CA

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

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

[Resources]

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).

[Resources]

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%).

[Resources]

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").

[Resources]

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).

[Resources]

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: 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

Months with the most sunshine are July and August (Average sunshine: 12h).
Months with the least sunshine are January, February and December (Average sunshine: 6.8).

[Resources]

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).

[Resources]

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

[Resources]

Average cloud cover in August
South Whittier, CA

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

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).

[Resources]

Average visibility in August
South Whittier, CA

Average visibility in August - South Whittier, 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]