Monthly 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
January, like December, in Brentwood, California, is another fresh winter month, with temperature in the range of an average low of 39°F (3.9°C) and an average high of 54°F (12.2°C). January is the coldest month, with an average high-temperature of 54°F (12.2°C) and an average low-temperature of 39°F (3.9°C). Weather in January »
The last month of the winter, February, is a mild month in Brentwood, California, with average temperature varying between 43°F (6.1°C) and 60.1°F (15.6°C). The average high-temperature, is 60.1°F (15.6°C), while the average low-temperature is 43°F (6.1°C). Weather in February »

The first month of the spring, March, is a comfortable month in Brentwood, California, with average temperature fluctuating between 45°F (7.2°C) and 66°F (18.9°C). In March, the average high-temperature is 66°F (18.9°C), and the average low-temperature is 45°F (7.2°C). Weather in March »

April in Brentwood, California, is a pleasant spring month, with temperature in the range of an average high of 71.1°F (21.7°C) and an average low of 48°F (8.9°C). In Brentwood, the average high-temperature is 71.1°F (21.7°C), and the average low-temperature is 48°F (8.9°C). Weather in April »

The last month of the spring, May, is a warm month in Brentwood, California, with average temperature varying between 79°F (26.1°C) and 54°F (12.2°C). The average high-temperature, is 79°F (26.1°C), while the average low-temperature is 54°F (12.2°C). Weather in May »

June, the first month of the summer, in Brentwood, is a hot month, with average temperature varying between 57.9°F (14.4°C) and 86°F (30°C). The average high-temperature, is 86°F (30°C), while the average low-temperature is 57.9°F (14.4°C). Weather in June »

July, like June, is a hot summer month in Brentwood, California, with average temperature varying between 59°F (15°C) and 91.9°F (33.3°C). The warmest month is July, with an average high-temperature of 91.9°F (33.3°C) and an average low-temperature of 59°F (15°C). Weather in July »

The last month of the summer, August, is also a hot month in Brentwood, California, with average temperature varying between 59°F (15°C) and 90°F (32.2°C). In Brentwood, the average high-temperature is 90°F (32.2°C), and the average low-temperature is 59°F (15°C). Weather in August »

September, the first month of the autumn, in Brentwood, is still a hot month, with average temperature fluctuating between 86°F (30°C) and 57°F (13.9°C). In September, the average high-temperature is 86°F (30°C), and the average low-temperature is 57°F (13.9°C). Weather in September »

October, like September, in Brentwood, California, is another warm autumn month, with average temperature varying between 77°F (25°C) and 52°F (11.1°C). In October, the average high-temperature is 77°F (25°C), and the average low-temperature is 52°F (11.1°C). Weather in October »

November, the last month of the autumn, in Brentwood, is also a comfortable month, with average temperature varying between 64°F (17.8°C) and 45°F (7.2°C). In Brentwood, the average high-temperature is 64°F (17.8°C), and the average low-temperature is 45°F (7.2°C). Weather in November »

The first month of the winter, December, is still a cool month in Brentwood, California, with average temperature varying between 55°F (12.8°C) and 39°F (3.9°C). In Brentwood, the average high-temperature is 55°F (12.8°C), and the average low-temperature is 39°F (3.9°C). Weather in December »

What is the coldest month in Brentwood?

The coldest month is January, with an average high-temperature of 54°F (12.2°C) and an average low-temperature of 39°F (3.9°C).

How much does it rain in Brentwood?

Throughout the year, in Brentwood, 13.3" (337.7mm) of rain is accumulated.

What is the rainiest month in Brentwood?

The month with the most rainfall in Brentwood, California, is January when 2.7" (67.6mm) of precipitation is typically aggregated.

When are the longest days in Brentwood?

The month with the longest days is June, with an average of 14.8h of daylight.

What is the warmest month in Brentwood?

July is the warmest month in Brentwood, with an average high-temperature of 91.9°F (33.3°C) and an average low-temperature of 59°F (15°C).

What is the driest month in Brentwood?

July is the only month when rain does not fall in Brentwood.

When does it rain in Brentwood?

January through June, August through December are months with rainfall.

What is the month with the shortest days in Brentwood?

The month with the shortest days in Brentwood, California, is December, with an average of 9.6h of daylight.
Average rainfall - Brentwood, CA
Average daylight - Brentwood, CA

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

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