Brentwood
California, USA
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
Brentwood, CA

An aerial shot of scenic and organized home community in Brentwood City, California
An aerial shot of scenic and organized home community in Brentwood City, California
The first month of the spring, March, is a comfortable month in Brentwood, California, with average temperature varying between 63.5°F (17.5°C) and 43.9°F (6.6°C).

Temperature

In March, the average high-temperature is practically the same as in February - an enjoyable 63.5°F (17.5°C). In Brentwood, in March, the average low-temperature is 43.9°F (6.6°C).

Humidity

In Brentwood, the average relative humidity in March is 73%.

Rainfall

In Brentwood, during March, the rain falls for 12.3 days and regularly aggregates up to 1.77" (45mm) of precipitation. In Brentwood, during the entire year, the rain falls for 62 days and collects up to 10.16" (258mm) of precipitation.

Snowfall

January through November are months without snowfall in Brentwood.

Daylight

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

Sunshine

In Brentwood, California, the average sunshine in March is 7.9h.

UV index

In Brentwood, the average daily maximum UV index in March is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against sun damage is advised. 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.

What is the temperature in March in Brentwood?

The average high-temperature, in March, is 63.5°F (17.5°C), while the average low-temperature is 43.9°F (6.6°C).

What is the average humidity in March in Brentwood?

The average relative humidity in March in Brentwood, California, is 73%.

How many days does it rain in March in Brentwood?

In Brentwood, in March, it is raining for 12.3 days, with typically 1.77" (45mm) of accumulated precipitation.

When it does not snow in Brentwood?

January through November are months without snowfall in Brentwood.

What is the average length of the day in March in Brentwood?

In March, the average length of the day in Brentwood, California, is 12h.

How many hours of sunshine does Brentwood have in March?

In March, the average sunshine in Brentwood, California, is 7.9h.

What is the UV index reading in March in Brentwood?

In March, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.
Average temperature in March - Brentwood, CA
  • Average high temperature in March: 63.5°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (55°F).

  • Average low temperature in March: 43.9°F

The month with the highest average low temperature is September (57.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

Average humidity in March - Brentwood, CA
  • Average humidity in March: 73%

The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is September (52%).

Average rainfall in March - Brentwood, CA
  • Average rainfall in March: 1.77"

The wettest month (with the highest rainfall) is February (2.09").
Driest months (with the lowest rainfall) are July and August (0.04").

Average rainfall days in March - Brentwood, CA
  • Average rainfall days in March: 12.3 days

The month with the highest number of rainy days is March (12.3 days).
The month with the lowest number of rainy days is August (0.8 days).

Average snowfall days in March - Brentwood, CA
  • Average snowfall days in March: 0 days

The month with the highest number of snowfall days is December (0.1 days).
Months with the lowest number of snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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

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

  • Average sunshine in March: 7.9h

The month with most sunshine is July (Average sunshine: 12.1h).
The month with least sunshine is December (Average sunshine: 5.8h).

Average UV index in March - Brentwood, CA
  • Average UV index in March: 4

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