July weather forecast and climate
San Quentin, CA

Weather in July

July, like June, is an agreeable summer month in San Quentin, California, with average temperature varying between 70.5°F (21.4°C) and 54.3°F (12.4°C).

Temperature

In San Quentin, the average high-temperature is relatively the same as in June - a still pleasant 70.5°F (21.4°C). The average low-temperature, in San Quentin, California, is 54.3°F (12.4°C).

Humidity

In San Quentin, the average relative humidity in July is 75%.

Rainfall

June through September are months with the least rain when the rain falls for 1.4 days and typically aggregates up to 0.04" (1mm) of rain.

Daylight

The average length of the day in San Quentin is 14.5h.

Sunshine

July has the most sunshine of the year in San Quentin, with an average of 11.2h of sunshine.

UV index

April, June through September, with an average maximum UV index of 5, are months with the highest UV index in San Quentin. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in July in San Quentin?

In July, the average high-temperature is 70.5°F (21.4°C), and the average low-temperature is 54.3°F (12.4°C).

What is the average humidity in July in San Quentin?

In July, the average relative humidity in San Quentin is 75%.

How much does it rain in San Quentin in July?

In San Quentin, in July, it is raining for 1.4 days, with typically 0.04" (1mm) of accumulated precipitation.

What is the driest month in San Quentin?

June through September are months with the least rain when the rain falls for 1.4 days and typically aggregates up to 0.04" (1mm) of rain.

What is the average length of the day in July in San Quentin?

The average length of the day in July in San Quentin is 14.5h.

What month has the most sunshine in San Quentin?

With an average of 11.2h of sunshine, July has the most sunshine of the year in San Quentin.

How long on average sun shines in July in San Quentin?

In San Quentin, the average sunshine in July is 11.2h.

When is the highest UV index in San Quentin?

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

What is the UV index reading in July in San Quentin?

The average daily maximum UV index in July in San Quentin, California, is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.

Average temperature in July
San Quentin, CA

Average temperature in July - San Quentin, CA
  • Average high temperature in July: 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 (55.4°F).

  • Average low temperature in July: 54.3°F

The month with the highest average low temperature is September (56.1°F).
The coldest month (with the lowest average low temperature) is December (45.3°F).

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Average pressure in July
San Quentin, CA

Average pressure in July - San Quentin, CA
  • Average pressure in July: 29.93"

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 July
San Quentin, CA

Average wind speed in July - San Quentin, CA
  • Average wind speed in July: 6.6mph

The windiest month (with the highest average wind speed) is May (7.8mph).
The calmest months (with the lowest average wind speed) are October and November (5.5mph).

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Average humidity in July
San Quentin, CA

Average humidity in July - San Quentin, CA
  • Average humidity in July: 75%

The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in July
San Quentin, CA

Average rainfall in July - San Quentin, CA
  • Average rainfall in July: 0.04"

The wettest month (with the highest rainfall) is February (0.87").
The driest months (with the least rainfall) are June, July, August and September (0.04").

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Average rainfall days in July
San Quentin, CA

Average rainfall days in July - San Quentin, CA
  • Average rainfall days in July: 1.4 days

The month with the highest number of rainy days is March (8.8 days).
Months with the least rainy days are June and August (1.2 days).

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Average daylight in July /
Average sunshine in July
San Quentin, CA

Average daylight in July / Average sunshine in July - San Quentin, CA
  • Average daylight in July: 14.5h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in July: 11.2h

The month with the most sunshine is July (Average sunshine: 11.2h).
The month with the least sunshine is December (Average sunshine: 5.5h).

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Average sunshine days in July
San Quentin, CA

Average sunshine days in July - San Quentin, CA
  • Average sunshine days in July: 26.3 days

The month with the most sunshine days is June (26.4 days).
The month with the least sunshine days is March (20.7 days).

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Average UV index in July
San Quentin, CA

Average UV index in July - San Quentin, CA
  • Average UV index in July: 5

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

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Average cloud cover in July
San Quentin, CA

Average cloud cover in July - San Quentin, CA
  • Average cloud cover in July: 21

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 19).

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Average visibility in July
San Quentin, CA

Average visibility in July - San Quentin, CA
  • Average visibility in July: 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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