June weather forecast and climate
San Quentin, CA

Weather in June

The first month of the summer, June, is an agreeable month in San Quentin, California, with average temperature fluctuating between 69.1°F (20.6°C) and 53.2°F (11.8°C).

Temperature

In San Quentin, the average high-temperature is essentially the same as in May - a pleasant 69.1°F (20.6°C). In June, the average low-temperature is 53.2°F (11.8°C).

Humidity

In San Quentin, the average relative humidity is 73%.

Rainfall

Months with the least rainfall in San Quentin are June through September Rain falls for 1.2 days and accumulates 0.04" (1mm) of rain.

Daylight

June has the longest days of the year, with an average of 14.8h of daylight.

Sunshine

In June, the average sunshine in San Quentin is 11.1h.

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 unsafe exposure to the UV radiation for the ordinary person.
Note: The average daily UV index of 5 in June 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. 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 June in San Quentin?

In June, the average high-temperature is 69.1°F (20.6°C), and the average low-temperature is 53.2°F (11.8°C).

What is the average humidity in June in San Quentin?

The average relative humidity in June in San Quentin is 73%.

How many days does it rain in June in San Quentin?

In San Quentin, California, in June, it is raining for 1.2 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 in San Quentin when the rain falls for 1.2 days and typically aggregates up to 0.04" (1mm) of rain.

When are the longest days in San Quentin?

With an average of 14.8h of daylight, June has the longest days of the year in San Quentin, California.

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

In San Quentin, the average length of the day in June is 14.8h.

How many hours of sunshine does San Quentin have in June?

In San Quentin, California, the average sunshine in June is 11.1h.

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

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

What is the UV index intensity in June in San Quentin?

In San Quentin, California, the average daily maximum UV index in June is 5. A UV Index reading of 3 to 5 represents a medium health risk from the exposure to the Sun's UV rays.

Average temperature in June
San Quentin, CA

Average temperature in June - San Quentin, CA
  • Average high temperature in June: 69.1°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 June: 53.2°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 June
San Quentin, CA

Average pressure in June - San Quentin, CA
  • Average pressure in June: 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 June
San Quentin, CA

Average wind speed in June - San Quentin, CA
  • Average wind speed in June: 7.5mph

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 June
San Quentin, CA

Average humidity in June - San Quentin, CA
  • Average humidity in June: 73%

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 June
San Quentin, CA

Average rainfall in June - San Quentin, CA
  • Average rainfall in June: 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 June
San Quentin, CA

Average rainfall days in June - San Quentin, CA
  • Average rainfall days in June: 1.2 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 June /
Average sunshine in June
San Quentin, CA

Average daylight in June / Average sunshine in June - San Quentin, CA
  • Average daylight in June: 14.8h

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 June: 11.1h

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 June
San Quentin, CA

Average sunshine days in June - San Quentin, CA
  • Average sunshine days in June: 26.4 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 June
San Quentin, CA

Average UV index in June - San Quentin, CA
  • Average UV index in June: 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 June
San Quentin, CA

Average cloud cover in June - San Quentin, CA
  • Average cloud cover in June: 22

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 June
San Quentin, CA

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