August weather forecast and climate
Graton, CA

Weather in August

The last month of the summer, August, is also a moderately hot month in Graton, California, with average temperature varying between 79.7°F (26.5°C) and 54.7°F (12.6°C).

Temperature

August is the warmest month, with an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 54.7°F (12.6°C).

Humidity

In Graton, California, the average relative humidity is 67%.

Rainfall

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

Daylight

In Graton, the average length of the day is 13.6h.

Sunshine

In Graton, the average sunshine is 11.8h.

UV index

In Graton, California, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the warmest month in Graton?

With an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 54.7°F (12.6°C), August is the warmest month in Graton.

What is the temperature in August in Graton?

In Graton, in August, the average high-temperature is 79.7°F (26.5°C), and the average low-temperature is 54.7°F (12.6°C).

What is the average humidity in August in Graton?

In Graton, California, the average relative humidity in August is 67%.

How much does it rain in Graton in August?

In Graton, in August, it is raining for 0.8 days, with typically 0.04" (1mm) of accumulated precipitation.

What is the driest month in Graton?

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

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

The average length of the day in August in Graton, California, is 13.6h.

How long on average sun shines in August in Graton?

In Graton, the average sunshine in August is 11.8h.

What is the UV index intensity in August in Graton?

In Graton, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in August
Graton, CA

Average temperature in August - Graton, CA
  • Average high temperature in August: 79.7°F

The warmest month (with the highest average high temperature) is August (79.7°F).
The month with the lowest average high temperature is December (55.6°F).

  • Average low temperature in August: 54.7°F

Months with the highest average low temperature are August and September (54.7°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

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Average pressure in August
Graton, CA

Average pressure in August - Graton, CA
  • Average pressure in August: 29.92"

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

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Average wind speed in August
Graton, CA

Average wind speed in August - Graton, CA
  • Average wind speed in August: 5.2mph

The windiest month (with the highest average wind speed) is May (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).

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Average humidity in August
Graton, CA

Average humidity in August - Graton, CA
  • Average humidity in August: 67%

The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is September (63%).

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Average rainfall in August
Graton, CA

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

The wettest month (with the highest rainfall) is February (2.64").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in August
Graton, CA

Average rainfall days in August - Graton, CA
  • Average rainfall days in August: 0.8 days

The month with the highest number of rainy days is March (12.6 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
Graton, CA

Average daylight in August / Average sunshine in August - Graton, CA
  • Average daylight in August: 13.6h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in August: 11.8h

The month with the most sunshine is July (Average sunshine: 11.9h).
The month with the least sunshine is December (Average sunshine: 5.7h).

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Average sunshine days in August
Graton, CA

Average sunshine days in August - Graton, CA
  • Average sunshine days in August: 27.1 days

The month with the most sunshine days is July (27.2 days).
The month with the least sunshine days is March (17.1 days).

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Average UV index in August
Graton, CA

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

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

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Average cloud cover in August
Graton, CA

Average cloud cover in August - Graton, CA
  • Average cloud cover in August: 10

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 9).

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Average visibility in August
Graton, CA

Average visibility in August - Graton, CA
  • Average visibility in August: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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