August weather forecast
Glen Ellen, CA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Glen Ellen, California, with an average temperature ranging between max 82.9°F (28.3°C) and min 54.9°F (12.7°C).

Temperature

August, with its high-temperature average of 82.9°F (28.3°C) and a low-temperature average of 54.9°F (12.7°C), is the warmest month.

Heat index

August's mean heat index is evaluated at a hot 86°F (30°C). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.
Always consider that heat index estimations are for light winds and places in the shade. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

In August, the average relative humidity is 64%.

Rainfall

July and August are months with the least rain in Glen Ellen when the rain falls for 0.8 days and typically aggregates up to 0.04" (1mm) of rain.

Daylight

In August, the average length of the day in Glen Ellen is 13h and 37min.
On the first day of August, sunrise is at 6:13 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 7:40 pm PDT.

Sunshine

In August, the average sunshine is 11.9h.

UV index

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In August, a daily maximum UV index of 5 leads to the following instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

What is the hottest time of year in Glen Ellen?

August is the warmest month in Glen Ellen, exhibiting average temperatures of 82.9°F (28.3°C) at the peak and 54.9°F (12.7°C) at the base.

Is it hot in Glen Ellen during August?

During August, Glen Ellen experiences an average high-temperature of 82.9°F (28.3°C) and a low-temperature of 54.9°F (12.7°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in August is evaluated at 86°F (30°C).

What is the average humidity in August in Glen Ellen?

In Glen Ellen, California, the average relative humidity in August is 64%.

What is the driest month in Glen Ellen?

The months with the least rainfall in Glen Ellen, California, are July and August Rain falls for 0.8 days and accumulates 0.04" (1mm) of rain.

How much does it rain in Glen Ellen in August?

In Glen Ellen, 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 Glen Ellen have in August?

The average day length in August in Glen Ellen, California, is 13h and 37min.

When are sunrise and sunset in August in Glen Ellen?

On the first day of August in Glen Ellen, California, sunrise is at 6:13 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 7:40 pm PDT.

How long on average sun shines in August in Glen Ellen?

The average sunshine duration in August in Glen Ellen, California, is 11.9h.

What is the UV index intensity in August in Glen Ellen?

In August, the average daily maximum UV index in Glen Ellen, California, is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Glen Ellen, CA

Average temperature in August - Glen Ellen, CA
  • Average high temperature in August: 82.9°F

The warmest month (with the highest average high temperature) is August (82.9°F).
The month with the lowest average high temperature is December (55°F).

  • Average low temperature in August: 54.9°F

The month with the highest average low temperature is August (54.9°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).

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Average pressure in August
Glen Ellen, CA

Average pressure in August - Glen Ellen, CA
  • Average pressure in August: 29.92"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in August
Glen Ellen, CA

Average wind speed in August - Glen Ellen, CA
  • Average wind speed in August: 5mph

The windiest month (with the highest average wind speed) is May (6.2mph).
The calmest month (with the lowest average wind speed) is November (4.4mph).

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Average humidity in August
Glen Ellen, CA

Average humidity in August - Glen Ellen, CA
  • Average humidity in August: 64%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (59%).

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Average rainfall in August
Glen Ellen, CA

Average rainfall in August - Glen Ellen, CA
  • Average rainfall in August: 0.04"

The wettest month (with the highest rainfall) is February (3.43").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in August
Glen Ellen, CA

Average rainfall days in August - Glen Ellen, CA
  • Average rainfall days in August: 0.8 days

The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is August (0.8 days).

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Average daylight in August /
Average sunshine in August
Glen Ellen, CA

Average daylight in August / Average sunshine in August - Glen Ellen, CA
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 11h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

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Average sunshine days in August
Glen Ellen, CA

Average sunshine days in August - Glen Ellen, CA
  • Average sunshine days in August: 28.3 days

The month with the most sunshine days is July (28.7 days).
The month with the least sunshine days is March (16.1 days).

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Average UV index in August
Glen Ellen, CA

Average UV index in August - Glen Ellen, CA
  • Average UV index in August: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in August
Glen Ellen, CA

Average cloud cover in August - Glen Ellen, CA
  • Average cloud cover in August: 9

The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 8).

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Average visibility in August
Glen Ellen, CA

Average visibility in August - Glen Ellen, 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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Glen Ellen, California, USA

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