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

April 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
April is an agreeable spring month in Brentwood, California, with average temperature ranging between max 69.4°F (20.8°C) and min 46.6°F (8.1°C).

Temperature

In April, the average high-temperature slightly increases, from an enjoyable 63.5°F (17.5°C) in March, to an agreeable 69.4°F (20.8°C). In April, the average low-temperature is 46.6°F (8.1°C).

Humidity

In April, the average relative humidity is 66%.

Rainfall

In Brentwood, during April, the rain falls for 6.3 days and regularly aggregates up to 0.55" (14mm) of precipitation. Throughout the year, in Brentwood, there are 62 rainfall days, and 10.16" (258mm) of precipitation is accumulated.

Snowfall

In Brentwood, California, snow does not fall in January through November.

Daylight

In Brentwood, the average length of the day is 13.2h.

Sunshine

In Brentwood, the average sunshine in April is 10.3h.

UV index

The average daily maximum UV index in Brentwood, California, is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 5 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.

What is the temperature in April in Brentwood?

In Brentwood, in April, the average high-temperature is 69.4°F (20.8°C), and the average low-temperature is 46.6°F (8.1°C).

What is the average humidity in April in Brentwood?

The average relative humidity in April in Brentwood, California, is 66%.

How many days does it rain in April in Brentwood?

In Brentwood, during April, the rain falls for 6.3 days and regularly aggregates up to 0.55" (14mm) of 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 April in Brentwood?

The average length of the day in April is 13.2h.

How long on average sun shines in April in Brentwood?

The average sunshine in April in Brentwood, California, is 10.3h.

How high is the UV index in April in Brentwood?

The average daily maximum UV index in April in Brentwood is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV radiation.
Average temperature in April - Brentwood, CA
  • Average high temperature in April: 69.4°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 April: 46.6°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 April - Brentwood, CA
  • Average humidity in April: 66%

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

Average rainfall in April - Brentwood, CA
  • Average rainfall in April: 0.55"

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 April - Brentwood, CA
  • Average rainfall days in April: 6.3 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 April - Brentwood, CA
  • Average snowfall days in April: 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 April / Average sunshine in April - Brentwood, CA
  • Average daylight in April: 13.2h

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 April: 10.3h

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 April - Brentwood, CA
  • Average UV index in April: 5

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).