August weather forecast
San Pablo, CA

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Weather in August

The last month of the summer, August, is another warm month in San Pablo, California, with temperature in the range of an average high of 74.7°F (23.7°C) and an average low of 56.3°F (13.5°C).

Temperature

With the dawn of August, San Pablo witnesses an average high-temperature of a still warm 74.7°F (23.7°C), on par with July. San Pablo's nights in August experience an average temperature drop to a refreshing 56.3°F (13.5°C).

Humidity

The average relative humidity in August in San Pablo is 72%.

Rainfall

June through September are months with the least rain when the rain falls for 2.4 days and typically aggregates up to 0.08" (2mm) of rain.

Daylight

The average length of the day in August is 13h and 35min.
On the first day of August, sunrise is at 6:13 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 7:39 pm PDT.

Sunshine

In August, the average sunshine is 11.5h.

UV index

April through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In August, a daily UV index of 5 turns into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Updated: Jun 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for San Pablo in August?

The average high-temperature, in August, in San Pablo, is 74.7°F (23.7°C), while the average low-temperature is 56.3°F (13.5°C).

What is the average humidity in August?

In August, the average relative humidity is 72%.

What is the driest month?

June through September are months with the least rain when the rain falls for 2.4 days and typically aggregates up to 0.08" (2mm) of rain.

How many days does it rain in August?

In San Pablo, in August, during 2.4 rainfall days, 0.08" (2mm) of precipitation is typically accumulated.

How many hours of daylight does San Pablo have in August?

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

When are sunrise and sunset in August?

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 7:39 pm PDT.

How many hours of sunshine does San Pablo have in August?

The average sunshine duration in August is 11.5h.

What is the month with the highest UV index?

April through September, with an average maximum UV index of 5, are months with the highest UV index.

What is the UV index reading in August?

In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to 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
San Pablo, CA

Average temperature in August - San Pablo, CA
  • Average high temperature in August: 74.7°F

The warmest month (with the highest average high temperature) is September (75.7°F).
The month with the lowest average high temperature is December (55.6°F).

  • Average low temperature in August: 56.3°F

The month with the highest average low temperature is September (56.5°F).
The coldest month (with the lowest average low temperature) is January (44.8°F).

Average pressure in August
San Pablo, CA

Average pressure in August - San Pablo, 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).

Average wind speed in August
San Pablo, CA

Average wind speed in August - San Pablo, CA
  • Average wind speed in August: 6.3mph

The windiest month (with the highest average wind speed) is May (7.5mph).
The calmest month (with the lowest average wind speed) is November (5.1mph).

Average humidity in August
San Pablo, CA

Average humidity in August - San Pablo, CA
  • Average humidity in August: 72%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (65%).

Average rainfall in August
San Pablo, CA

Average rainfall in August - San Pablo, CA
  • Average rainfall in August: 0.08"

The wettest month (with the highest rainfall) is February (1.38").
The driest months (with the least rainfall) are June, July, August and September (0.08").

Average rainfall days in August
San Pablo, CA

Average rainfall days in August - San Pablo, CA
  • Average rainfall days in August: 2.4 days

The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is June (2 days).

Average daylight in August /
Average sunshine in August
San Pablo, CA

Average daylight in August / Average sunshine in August - San Pablo, 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: 11h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in August
San Pablo, CA

Average sunshine days in August - San Pablo, CA
  • Average sunshine days in August: 23.2 days

The month with the most sunshine days is July (24.9 days).
The month with the least sunshine days is March (18.4 days).

Average UV index in August
San Pablo, CA

Average UV index in August - San Pablo, CA
  • Average UV index in August: 5

The months with the highest UV index are April, May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in August
San Pablo, CA

Average cloud cover in August - San Pablo, CA
  • Average cloud cover in August: 17

The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 14).

Average visibility in August
San Pablo, CA

Average visibility in August - San Pablo, 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).

San Pablo, California, USA

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