August weather forecast
San Gregorio, CA

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Weather in August

August, the last month of the summer in San Gregorio, is also an agreeable month, with an average temperature ranging between min 56.7°F (13.7°C) and max 73°F (22.8°C).

Temperature

San Gregorio's warmest month, August, registers temperatures that range from a high of 73°F (22.8°C) to a low of 56.7°F (13.7°C).

Humidity

In San Gregorio, the average relative humidity in August is 74%.

Rainfall

In San Gregorio, during August, the rain falls for 1 days and regularly aggregates up to 0.08" (2mm) of precipitation. Throughout the year, there are 57.5 rainfall days, and 4.76" (121mm) of precipitation is accumulated.

Daylight

In August, the average length of the day is 13h and 33min.
On the first day of August, sunrise is at 6:14 am and sunset at 8:16 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 11.9h.

UV index

The months with the highest UV index are June through September, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 5 in August converts into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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Frequently asked questions

What part of the year is the hottest in San Gregorio?

With an average high-temperature of 73°F (22.8°C) and an average low-temperature of 56.7°F (13.7°C), August is the warmest month in San Gregorio.

What is the average August temperature in San Gregorio?

In August, in San Gregorio, the average high-temperature is 73°F (22.8°C), and the average low-temperature is 56.7°F (13.7°C).

What is the average humidity in August in San Gregorio?

In San Gregorio, the average relative humidity in August is 74%.

How many days does it rain in August in San Gregorio?

In August, in San Gregorio, California, the rain falls for 1 days. Throughout August, 0.08" (2mm) of precipitation is accumulated.

What is the average length of the day in August in San Gregorio?

The average day length in August in San Gregorio, California, is 13h and 33min.

When are sunrise and sunset in August in San Gregorio?

On the first day of August, sunrise is at 6:14 am and sunset at 8:16 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 Gregorio have in August?

In August, the average sunshine duration in San Gregorio, California, is 11.9h.

What are the months with the highest UV index in San Gregorio?

June through September, with an average maximum UV index of 5, are months with the highest UV index in San Gregorio.

What is the UV index reading in August in San Gregorio?

The average daily maximum UV index in August in San Gregorio, California, is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
San Gregorio, CA

Average temperature in August - San Gregorio, CA
  • Average high temperature in August: 73°F

The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (55.8°F).

  • Average low temperature in August: 56.7°F

The months with the highest average low temperature are August and September (56.7°F).
The coldest months (with the lowest average low temperature) are January and February (46.4°F).

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Average pressure in August
San Gregorio, CA

Average pressure in August - San Gregorio, CA
  • Average pressure in August: 29.93"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).

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Average wind speed in August
San Gregorio, CA

Average wind speed in August - San Gregorio, CA
  • Average wind speed in August: 5.5mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in August
San Gregorio, CA

Average humidity in August - San Gregorio, CA
  • Average humidity in August: 74%

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

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Average rainfall in August
San Gregorio, CA

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

The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in August
San Gregorio, CA

Average rainfall days in August - San Gregorio, CA
  • Average rainfall days in August: 1 days

The month with the highest number of rainy days is March (10.6 days).
The month with the least rainy days is June (0.9 days).

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

Average daylight in August / Average sunshine in August - San Gregorio, CA
  • Average daylight in August: 13h and 3min

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 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 54min).

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Average sunshine days in August
San Gregorio, CA

Average sunshine days in August - San Gregorio, CA
  • Average sunshine days in August: 24.2 days

The months with the most sunshine days are June and July (26.3 days).
The month with the least sunshine days is March (18.3 days).

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Average UV index in August
San Gregorio, CA

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

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

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Average cloud cover in August
San Gregorio, CA

Average cloud cover in August - San Gregorio, CA
  • Average cloud cover in August: 11

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 9).

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Average visibility in August
San Gregorio, CA

Average visibility in August - San Gregorio, 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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San Gregorio, California, USA

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