July weather forecast
Graton, CA

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Weather in July

July, the same as June, is another warm summer month in Graton, California, with an average temperature fluctuating between 54.1°F (12.3°C) and 79.3°F (26.3°C).

Temperature

The advent of July sees the average high-temperature at a still moderately hot 79.3°F (26.3°C), subtly shifted from June's 76.3°F (24.6°C). A pronounced dip becomes evident during the nights in July as Graton logs a consistent average temperature of 54.1°F (12.3°C).

Humidity

The average relative humidity in July is 66%.

Rainfall

The months with the least rainfall are July and August Rain falls for 1.5 days and accumulates 0.04" (1mm) of rain.

Daylight

The average length of the day in July in Graton, California, is 14h and 32min.
On the first day of July, sunrise is at 5:51 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:22 pm PDT.

Sunshine

With an average of 11.9h of sunshine, July has the most sunshine of the year.

UV index

In Graton, the average daily maximum UV index in July is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A typical high UV index of 5 in July suggests the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

What are July temperatures in Graton?

In Graton, in July, the average high-temperature is 79.3°F (26.3°C), and the average low-temperature is 54.1°F (12.3°C).

What is the average humidity in July in Graton?

In Graton, California, the average relative humidity in July is 66%.

What is the driest month in Graton?

The months with the least rainfall in Graton are July and August Rain falls for 1.5 days and accumulates 0.04" (1mm) of rain.

How much does it rain in Graton in July?

In July, in Graton, California, the rain falls for 1.5 days. Throughout July, 0.04" (1mm) of precipitation is accumulated.

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

In Graton, California, the average day length in July is 14h and 32min.

When is the sunrise / sunset in July in Graton?

On the first day of July in Graton, California, sunrise is at 5:51 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:22 pm PDT.

What month has the most sunshine in Graton?

With an average of 11.9h of sunshine, July has the most sunshine of the year.

How long on average sun shines in July in Graton?

The average sunshine duration in July in Graton is 11.9h.

What is the UV index reading in July in Graton?

In July, the average daily maximum UV index in Graton is 5. A UV Index reading of 3 to 5 represents 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 July
Graton, CA

Average temperature in July - Graton, CA
  • Average high temperature in July: 79.3°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 July: 54.1°F

The 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 July
Graton, CA

Average pressure in July - Graton, CA
  • Average pressure in July: 29.93"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 July
Graton, CA

Average wind speed in July - Graton, CA
  • Average wind speed in July: 5.5mph

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 July
Graton, CA

Average humidity in July - Graton, CA
  • Average humidity in July: 66%

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 July
Graton, CA

Average rainfall in July - Graton, CA
  • Average rainfall in July: 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 July
Graton, CA

Average rainfall days in July - Graton, CA
  • Average rainfall days in July: 1.5 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 July /
Average sunshine in July
Graton, CA

Average daylight in July / Average sunshine in July - Graton, CA
  • Average daylight in July: 14h and 3min

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 30min).

  • Average sunshine in July: 11h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in July
Graton, CA

Average sunshine days in July - Graton, CA
  • Average sunshine days in July: 27.2 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 July
Graton, CA

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

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

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Average cloud cover in July
Graton, CA

Average cloud cover in July - Graton, CA
  • Average cloud cover in July: 9

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 July
Graton, CA

Average visibility in July - Graton, CA
  • Average visibility in July: 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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Graton, California, USA

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