August weather forecast
Tiburon, CA

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The affluent hillside homes overlooking the yachts in the harbor, and the waterfront promenade in Tiburon, California
The affluent hillside homes overlooking the yachts in the harbor, and the waterfront promenade in Tiburon, California

Weather in August

The last month of the summer, August, is also an agreeable month in Tiburon, California, with an average temperature fluctuating between 56.1°F (13.4°C) and 70.5°F (21.4°C).

Temperature

With the start of August, Tiburon measures an average high-temperature of a still agreeable 70.5°F (21.4°C), not significantly differing from July's 70.3°F (21.3°C). In Tiburon, the average temperature during the nights of August drops to a refreshing 56.1°F (13.4°C).

Humidity

March and August, with an average relative humidity of 76%, are the most humid months.

Rainfall

June through September are months with the least rain when the rain falls for 3.5 days and typically aggregates up to 0.08" (2mm) of rain.

Ocean temperature

In August, the average ocean temperature is 56.7°F (13.7°C).
Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

Daylight

In Tiburon, the average length of the day in August is 13h and 35min.
On the first day of August, sunrise is at 6:13 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 in Tiburon is 11.2h.

UV index

The months with the highest UV index are April, June through September, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 5 in August translates into this advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

What is the temperature in August in Tiburon?

An average high-temperature, in August, in Tiburon, is 70.5°F (21.4°C) and the average low-temperature is 56.1°F (13.4°C).

What are the most humid months in Tiburon?

The months with the highest humidity in Tiburon, California, are March and August, with an average relative humidity of 76%.

What is the average humidity in August in Tiburon?

The average relative humidity in August in Tiburon, California, is 76%.

What is the driest month in Tiburon?

June through September are months with the least rain in Tiburon, California, when the rain falls for 3.5 days and typically aggregates up to 0.08" (2mm) of rain.

How much does it rain in Tiburon in August?

In Tiburon, in August, during 3.5 rainfall days, 0.08" (2mm) of precipitation is typically accumulated.

What is the water temperature in August in Tiburon?

In August, the average ocean temperature is 56.7°F (13.7°C). Swimming in 56.7°F (13.7°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Tiburon have in August?

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

When is the sunrise / sunset in August in Tiburon?

In August, on the first day of the month, sunrise is at 6:13 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 long on average sun shines in August in Tiburon?

The average sunshine duration in August is 11.2h.

What is the month with the highest UV index in Tiburon?

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

How high is the UV index in August in Tiburon?

In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Tiburon, CA

Average temperature in August - Tiburon, CA
  • Average high temperature in August: 70.5°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 (55.2°F).

  • Average low temperature in August: 56.1°F

The month with the highest average low temperature is September (56.5°F).
The coldest months (with the lowest average low temperature) are January and December (46.2°F).

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Average pressure in August
Tiburon, CA

Average pressure in August - Tiburon, 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
Tiburon, CA

Average wind speed in August - Tiburon, CA
  • Average wind speed in August: 6.5mph

The windiest month (with the highest average wind speed) is May (7.9mph).
The calmest months (with the lowest average wind speed) are October and November (5.7mph).

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Average humidity in August
Tiburon, CA

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

The months with the highest relative humidity are March and August (76%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in August
Tiburon, CA

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

The wettest month (with the highest rainfall) is February (0.98").
The driest months (with the least rainfall) are June, July, August and September (0.08").

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Average rainfall days in August
Tiburon, CA

Average rainfall days in August - Tiburon, CA
  • Average rainfall days in August: 3.5 days

The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is June (1.9 days).

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Average sea temperature in August
Tiburon, CA

Average sea temperature in August - Tiburon, CA
  • Average sea temperature in August: 56.7°F

The best month for swimming (with the highest average sea temperature) is September (57.3°F).
The coldest months (with the lowest average sea temperature) are April and June (53°F).

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

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in August: 11h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in August
Tiburon, CA

Average sunshine days in August - Tiburon, CA
  • Average sunshine days in August: 22.1 days

The month with the most sunshine days is October (25 days).
The month with the least sunshine days is March (18.4 days).

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Average UV index in August
Tiburon, CA

Average UV index in August - Tiburon, 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
Tiburon, CA

Average cloud cover in August - Tiburon, CA
  • Average cloud cover in August: 22

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 18).

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Average visibility in August
Tiburon, CA

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

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