August weather forecast
Glenoak Hills, CA

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Weather in August

The last month of the summer, August, is another hot month in Glenoak Hills, California, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 87.4°F (30.8°C).

Temperature

The warmest period is August, when temperatures fluctuate between an average high of 87.4°F (30.8°C) and a low of 62.2°F (16.8°C).

Heat index

The heat index value during August is estimated at a hot 91.4°F (33°C). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
The metrics for the heat index are tailored for both shady environments and light winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', joins air temperature with relative humidity to produce a temperature perception for humans. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.

Humidity

In Glenoak Hills, the average relative humidity in August is 53%.

Rainfall

In Glenoak Hills, California, in August, it is raining for 4 days, with typically 0.39" (10mm) of accumulated precipitation. In Glenoak Hills, during the entire year, the rain falls for 60.6 days and collects up to 9.37" (238mm) of precipitation.

Daylight

In August, the average length of the day in Glenoak Hills is 13h and 22min.
On the first day of August in Glenoak Hills, sunrise is at 6:00 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:14 pm PDT.

Sunshine

In August, the average sunshine is 12h.

UV index

The months with the highest UV index in Glenoak Hills are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily high UV index of 6 in August leads to these guidelines:
Take precautions against overexposure. Protection against sun damage is needed. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

What part of the year is the hottest in Glenoak Hills?

August, with its average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 62.2°F (16.8°C), holds the record as the warmest month.

How hot does it get in Glenoak Hills in August?

The average high-temperature and low-temperature during August are 87.4°F (30.8°C) and 62.2°F (16.8°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 91.4°F (33°C).

What is the average humidity in August in Glenoak Hills?

In August, the average relative humidity in Glenoak Hills is 53%.

How many days does it rain in August in Glenoak Hills?

In Glenoak Hills, in August, during 4 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

How many hours of daylight does Glenoak Hills have in August?

The average day length in August in Glenoak Hills is 13h and 22min.

When are sunrise and sunset in August in Glenoak Hills?

On the first day of August in Glenoak Hills, California, sunrise is at 6:00 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:14 pm PDT.

How long on average sun shines in August in Glenoak Hills?

The average sunshine duration in August in Glenoak Hills, California, is 12h.

What are the months with the highest UV index in Glenoak Hills?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Glenoak Hills, California.

How high is the UV index in August in Glenoak Hills?

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Glenoak Hills, CA

Average temperature in August - Glenoak Hills, CA
  • Average high temperature in August: 87.4°F

The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is December (61.7°F).

  • Average low temperature in August: 62.2°F

The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is February (43.3°F).

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Average pressure in August
Glenoak Hills, CA

Average pressure in August - Glenoak Hills, CA
  • Average pressure in August: 29.87"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in August
Glenoak Hills, CA

Average wind speed in August - Glenoak Hills, CA
  • Average wind speed in August: 4.4mph

The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is September (4.3mph).

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Average humidity in August
Glenoak Hills, CA

Average humidity in August - Glenoak Hills, CA
  • Average humidity in August: 53%

The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is November (52%).

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Average rainfall in August
Glenoak Hills, CA

Average rainfall in August - Glenoak Hills, CA
  • Average rainfall in August: 0.39"

The wettest month (with the highest rainfall) is December (1.81").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in August
Glenoak Hills, CA

Average rainfall days in August - Glenoak Hills, CA
  • Average rainfall days in August: 4 days

The month with the highest number of rainy days is March (8.2 days).
The month with the least rainy days is June (1.4 days).

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Average daylight in August /
Average sunshine in August
Glenoak Hills, CA

Average daylight in August / Average sunshine in August - Glenoak Hills, CA
  • Average daylight in August: 13h and 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in August: 12h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

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Average sunshine days in August
Glenoak Hills, CA

Average sunshine days in August - Glenoak Hills, CA
  • Average sunshine days in August: 24.9 days

The month with the most sunshine days is June (26.5 days).
The month with the least sunshine days is February (20.8 days).

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Average UV index in August
Glenoak Hills, CA

Average UV index in August - Glenoak Hills, CA
  • Average UV index in August: 6

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

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Average cloud cover in August
Glenoak Hills, CA

Average cloud cover in August - Glenoak Hills, CA
  • Average cloud cover in August: 7

The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 7).

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Average visibility in August
Glenoak Hills, CA

Average visibility in August - Glenoak Hills, 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).

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Glenoak Hills, California, USA

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