March weather forecast and climate
San Quentin, CA

Weather in March

March, the first month of the spring, in San Quentin, is still a mild month, with average temperature varying between 59.4°F (15.2°C) and 46.9°F (8.3°C).

Temperature

In San Quentin, the average high-temperature is relatively the same as in February - a still moderate 59.4°F (15.2°C). In March, in San Quentin, the average low-temperature is 46.9°F (8.3°C).

Humidity

March is the most humid month, with an average relative humidity of 77%.

Rainfall

In San Quentin, during 8.8 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. Throughout the year, there are 48 rainfall days, and 3.94" (100mm) of precipitation is accumulated.

Daylight

In San Quentin, the average length of the day is 12h.

Sunshine

The average sunshine in March is 7.5h.

UV index

In March, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in March in San Quentin?

In San Quentin, in March, the average high-temperature is 59.4°F (15.2°C), and the average low-temperature is 46.9°F (8.3°C).

What is the most humid month in San Quentin?

The most humid month is March, with an average relative humidity of 77%.

What is the average humidity in March in San Quentin?

In San Quentin, the average relative humidity in March is 77%.

How much does it rain in San Quentin in March?

In San Quentin, California, in March, during 8.8 rainfall days, 0.59" (15mm) of precipitation is typically accumulated.

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

In March, the average length of the day in San Quentin is 12h.

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

The average sunshine in March is 7.5h.

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

In San Quentin, California, the average daily maximum UV index in March is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in March
San Quentin, CA

Average temperature in March - San Quentin, CA
  • Average high temperature in March: 59.4°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 March: 46.9°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 March
San Quentin, CA

Average pressure in March - San Quentin, CA
  • Average pressure in March: 30.07"

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 March
San Quentin, CA

Average wind speed in March - San Quentin, CA
  • Average wind speed in March: 7.3mph

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 March
San Quentin, CA

Average humidity in March - San Quentin, CA
  • Average humidity in March: 77%

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 March
San Quentin, CA

Average rainfall in March - San Quentin, CA
  • Average rainfall in March: 0.59"

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 March
San Quentin, CA

Average rainfall days in March - San Quentin, CA
  • Average rainfall days in March: 8.8 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 March /
Average sunshine in March
San Quentin, CA

Average daylight in March / Average sunshine in March - San Quentin, CA
  • Average daylight in March: 12h

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 March: 7.5h

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 March
San Quentin, CA

Average sunshine days in March - San Quentin, CA
  • Average sunshine days in March: 20.7 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 March
San Quentin, CA

Average UV index in March - San Quentin, CA
  • Average UV index in March: 4

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 March
San Quentin, CA

Average cloud cover in March - San Quentin, CA
  • Average cloud cover in March: 39

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 March
San Quentin, CA

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