August weather forecast
Larkspur, CA

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Weather in August

The last month of the summer, August, is another pleasant month in Larkspur, California, with temperature in the range of an average high of 71.2°F (21.8°C) and an average low of 55.4°F (13°C).

Temperature

Larkspur sees the arrival of August with an average high-temperature of a still pleasant 71.2°F (21.8°C), indicating a subtle variation from July. Throughout August, Larkspur registers a consistent average low-temperature of 55.4°F (13°C).

Humidity

The average relative humidity in August is 76%.

Rainfall

The months with the least rainfall in Larkspur are June through September Rain falls for 1.2 days and accumulates 0.04" (1mm) of rain.

Daylight

The average length of the day in August is 13h and 35min.
On the first day of August, sunrise is at 6:14 am and sunset at 8:18 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 10.9h.

UV index

The months with the highest UV index in Larkspur are April, June through September, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 5 in August translates into the following instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

What is the usual temperature for Larkspur in August?

The average high-temperature and low-temperature in Larkspur, California, during August are 71.2°F (21.8°C) and 55.4°F (13°C) respectively.

What is the average humidity in August in Larkspur?

The average relative humidity in August in Larkspur is 76%.

What is the driest month in Larkspur?

The months with the least rainfall in Larkspur are June through September Rain falls for 1.2 days and accumulates 0.04" (1mm) of rain.

How many days does it rain in August in Larkspur?

In August, in Larkspur, California, the rain falls for 1.2 days. Throughout August, 0.04" (1mm) of precipitation is accumulated.

What is the average length of the day in August in Larkspur?

In August, the average day length in Larkspur, California, is 13h and 35min.

When are sunrise and sunset in August in Larkspur?

On the first day of August in Larkspur, sunrise is at 6:14 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 7:40 pm PDT.

How many hours of sunshine does Larkspur have in August?

In Larkspur, California, the average sunshine duration in August is 10.9h.

What are the months with the highest UV index in Larkspur?

The months with the highest UV index in Larkspur, California, are April, June through September, with an average maximum UV index of 5.

What is the UV index reading in August in Larkspur?

The average daily maximum UV index in August in Larkspur, California, is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from 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
Larkspur, CA

Average temperature in August - Larkspur, CA
  • Average high temperature in August: 71.2°F

The warmest month (with the highest average high temperature) is September (72.3°F).
The month with the lowest average high temperature is December (55.4°F).

  • Average low temperature in August: 55.4°F

The month with the highest average low temperature is September (56.1°F).
The coldest month (with the lowest average low temperature) is December (45.3°F).

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Average pressure in August
Larkspur, CA

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

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Average wind speed in August
Larkspur, CA

Average wind speed in August - Larkspur, CA
  • Average wind speed in August: 6.4mph

The windiest month (with the highest average wind speed) is May (7.8mph).
The calmest months (with the lowest average wind speed) are October and November (5.5mph).

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Average humidity in August
Larkspur, CA

Average humidity in August - Larkspur, CA
  • Average humidity in August: 76%

The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in August
Larkspur, CA

Average rainfall in August - Larkspur, CA
  • Average rainfall in August: 0.04"

The wettest month (with the highest rainfall) is February (0.87").
The driest months (with the least rainfall) are June, July, August and September (0.04").

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Average rainfall days in August
Larkspur, CA

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

The month with the highest number of rainy days is March (8.8 days).
The months with the least rainy days are June and August (1.2 days).

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

Average daylight in August / Average sunshine in August - Larkspur, 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 36min).

  • Average sunshine in August: 10h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in August
Larkspur, CA

Average sunshine days in August - Larkspur, CA
  • Average sunshine days in August: 24.8 days

The month with the most sunshine days is June (26.4 days).
The month with the least sunshine days is March (20.7 days).

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Average UV index in August
Larkspur, CA

Average UV index in August - Larkspur, CA
  • Average UV index in August: 5

The months with the highest UV index are April, June, July, August and September (UV index 5).
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
Larkspur, CA

Average cloud cover in August - Larkspur, CA
  • Average cloud cover in August: 25

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 19).

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Average visibility in August
Larkspur, CA

Average visibility in August - Larkspur, 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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Larkspur, California, USA

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