August weather forecast
Chatsworth, CA

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Weather in August

The last month of the summer, August, is another warm month in Chatsworth, California, with temperature in the range of an average high of 85.8°F (29.9°C) and an average low of 64.9°F (18.3°C).

Temperature

August proves to be the warmest month, recording an average peak temperature of 85.8°F (29.9°C) and a minimum temperature of 64.9°F (18.3°C).

Heat index

In August, the heat index is computed to be a hot 87.8°F (31°C). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.
Heat index values are typically calculated for conditions of shade and a light breeze. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is a single figure representing how weather conditions feel when combining temperature and humidity. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.

Humidity

In August, the average relative humidity is 51%.

Rainfall

In Chatsworth, in August, it is raining for 1.2 days, with typically 0.08" (2mm) of accumulated precipitation. Throughout the year, there are 39.8 rainfall days, and 7.52" (191mm) of precipitation is accumulated.

Daylight

The average length of the day in August is 13h and 23min.
On the first day of August, sunrise is at 6:06 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:21 pm PDT.

Sunshine

In Chatsworth, the average sunshine in August is 12h.

UV index

June through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 6 in August converts into the following recommendations:
Shun overexposure. Protection from sun ravages is indispensable. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year in Chatsworth?

August, recording an average high temperature of 85.8°F (29.9°C) and a low temperature of 64.9°F (18.3°C), is Chatsworth's warmest month.

How hot does it get in August?

The average high-temperature, in August, in Chatsworth, is 85.8°F (29.9°C), while the average low-temperature is 64.9°F (18.3°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is computed to be 87.8°F (31°C).

What is the average humidity in August?

In August, the average relative humidity is 51%.

How many days does it rain in August?

In Chatsworth, during August, the rain falls for 1.2 days and regularly aggregates up to 0.08" (2mm) of precipitation.

How many hours of daylight does Chatsworth have in August?

The average day length in August is 13h and 23min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:06 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:21 pm PDT.

How many hours of sunshine does Chatsworth have in August?

In August, the average sunshine duration is 12h.

When is the highest UV index?

June through September, with an average maximum UV index of 6, are months with the highest UV index in Chatsworth.

How high is the UV index in August?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's 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
Chatsworth, CA

Average temperature in August - Chatsworth, CA
  • Average high temperature in August: 85.8°F

The warmest month (with the highest average high temperature) is August (85.8°F).
The month with the lowest average high temperature is December (61.7°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 December (46.2°F).

Average pressure in August
Chatsworth, CA

Average pressure in August - Chatsworth, CA
  • Average pressure in August: 29.9"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in August
Chatsworth, CA

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

The windiest months (with the highest average wind speed) are January and December (6.2mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).

Average humidity in August
Chatsworth, CA

Average humidity in August - Chatsworth, CA
  • Average humidity in August: 51%

The month with the highest relative humidity is June (58%).
The month with the lowest relative humidity is November (47%).

Average rainfall in August
Chatsworth, CA

Average rainfall in August - Chatsworth, CA
  • Average rainfall in August: 0.08"

The wettest month (with the highest rainfall) is February (1.54").
The driest month (with the least rainfall) is June (0").

Average rainfall days in August
Chatsworth, CA

Average rainfall days in August - Chatsworth, CA
  • Average rainfall days in August: 1.2 days

The month with the highest number of rainy days is March (6.3 days).
The month with the least rainy days is June (0.8 days).

Average daylight in August /
Average sunshine in August
Chatsworth, CA

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

Average sunshine days in August
Chatsworth, CA

Average sunshine days in August - Chatsworth, CA
  • Average sunshine days in August: 28.7 days

The month with the most sunshine days is May (28.8 days).
The month with the least sunshine days is February (22.9 days).

Average UV index in August
Chatsworth, CA

Average UV index in August - Chatsworth, CA
  • Average UV index in August: 6

The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in August
Chatsworth, CA

Average cloud cover in August - Chatsworth, CA
  • Average cloud cover in August: 4

The month with the most cloud cover is March (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 4).

Average visibility in August
Chatsworth, CA

Average visibility in August - Chatsworth, 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).

Chatsworth, California, USA

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