Monthly weather forecast and climate
Brentwood, CA

Scenic and organized home community in Brentwood City, California
Scenic and organized home community in Brentwood City, California

Weather in January

January is a mild winter month in Brentwood, California, with average temperature varying between 41.5°F (5.3°C) and 56.1°F (13.4°C). In January, the average high-temperature is almost the same as in December - a moderate 56.1°F (13.4°C). Weather in January »

Weather in February

February, the last month of the winter, in Brentwood, is another mild month, with average temperature ranging between max 59.7°F (15.4°C) and min 42.4°F (5.8°C). In Brentwood, the average high-temperature in February is almost the same as in January - a still mild 59.7°F (15.4°C). Weather in February »

Weather in March

March, the first month of the spring, in Brentwood, is a comfortable month, with average temperature varying between 43.9°F (6.6°C) and 63.5°F (17.5°C). In Brentwood, California, the average high-temperature is practically the same as in February - a comfortable 63.5°F (17.5°C). Weather in March »

Weather in April

April is an agreeable spring month in Brentwood, California, with average temperature ranging between min 46.6°F (8.1°C) and max 69.4°F (20.8°C). In Brentwood, the average high-temperature slightly increases, from an enjoyable 63.5°F (17.5°C) in March, to a pleasant 69.4°F (20.8°C). Weather in April »

Weather in May

May, the last month of the spring, in Brentwood, is a moderately hot month, with average temperature ranging between min 50.5°F (10.3°C) and max 75.6°F (24.2°C). In Brentwood, the average high-temperature marginally rises, from an agreeable 69.4°F (20.8°C) in April, to a warm 75.6°F (24.2°C). Weather in May »

Weather in June

June, the first month of the summer, in Brentwood, is also a moderately hot month, with temperature in the range of an average high of 84.4°F (29.1°C) and an average low of 55°F (12.8°C). In Brentwood, the average high-temperature slightly increases, from 75.6°F (24.2°C) in May, to a still moderately hot 84.4°F (29.1°C). Weather in June »

Weather in July

July is a hot summer month in Brentwood, California, with average temperature varying between 88.5°F (31.4°C) and 56.5°F (13.6°C). The warmest month is July, with an average high-temperature of 88.5°F (31.4°C) and an average low-temperature of 56.5°F (13.6°C). In July, the average heat index is evaluated at a hot 93.2°F (34°C). Weather in July »

Weather in August

The last month of the summer, August, is also a hot month in Brentwood, California, with average temperature ranging between max 87.4°F (30.8°C) and min 57.4°F (14.1°C). In Brentwood, the average high-temperature is practically the same as in July - a still tropical 87.4°F (30.8°C). Weather in August »

Weather in September

September, the first month of the autumn, in Brentwood, is still a warm month, with average temperature fluctuating between 85.3°F (29.6°C) and 57.7°F (14.3°C). In Brentwood, the average high-temperature is essentially the same as in August - a moderately hot 85.3°F (29.6°C). Weather in September »

Weather in October

October, like September, in Brentwood, California, is a moderately hot autumn month, with temperature in the range of an average low of 54°F (12.2°C) and an average high of 75.9°F (24.4°C). In October, the average high-temperature drops, from 85.3°F (29.6°C) in September, to a still warm 75.9°F (24.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is another comfortable month in Brentwood, California, with average temperature varying between 46.6°F (8.1°C) and 63.9°F (17.7°C). In November, the average high-temperature decreases, from a warm 75.9°F (24.4°C) in October, to an enjoyable 63.9°F (17.7°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cool month in Brentwood, California, with average temperature fluctuating between 41.7°F (5.4°C) and 55°F (12.8°C). December is the coldest month, with an average high-temperature of 55°F (12.8°C) and an average low-temperature of 41.7°F (5.4°C). Weather in December »
[Resources]

FAQ

What is the most humid month in Brentwood?

January is the most humid month, with an average relative humidity of 74%.

How much does it rain in Brentwood?

Throughout the year, there are 62 rainfall days, and 10.16" (258mm) of precipitation is accumulated.

How many days does it snow in Brentwood?

Throughout the year, there are 0.1 snowfall days.

When it does not snow in Brentwood?

January through November are months without snowfall.

When is the lowest UV index in Brentwood?

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Brentwood, California.

What is the rainiest month in Brentwood?

The month with the most rainfall is February when the rain falls for 7.8 days and typically aggregates up to 2.09" (53mm) of precipitation.

When are the longest days in Brentwood?

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

What are the months with the highest UV index in Brentwood?

Months with the highest UV index in Brentwood, California, are June through August, with an average maximum UV index of 6.

What is the warmest month in Brentwood?

With an average high-temperature of 88.5°F (31.4°C) and an average low-temperature of 56.5°F (13.6°C), July is the warmest month.

What is the driest month in Brentwood?

Months with the least rainfall in Brentwood, California, are July and August Rain falls for 1.3 days and accumulates 0.04" (1mm) of rain.

What month has the most sunshine in Brentwood?

With an average of 12.1h of sunshine, July has the most sunshine of the year in Brentwood.

What is the least humid month in Brentwood?

September is the least humid month in Brentwood, California, with an average relative humidity of 52%.

What is the coldest month in Brentwood?

December is the coldest month, with an average high-temperature of 55°F (12.8°C) and an average low-temperature of 41.7°F (5.4°C).

When does it snow in Brentwood?

The only month with snowfall in Brentwood, California, is December.

When does it snow the most in Brentwood?

The month with the most snowfall days is December when snow falls for 0.1 days.

What is the month with the shortest days in Brentwood?

The month with the shortest days is December, with an average of 9.6h of daylight.

What is the month with the least sunshine in Brentwood?

December has the least sunshine of the year in Brentwood, California, with an average of 5.8h of sunshine.

Average temperature
Brentwood, CA

Average temperature - Brentwood, CA

The warmest month (with the highest average high temperature) is July (31.4°C).
The month with the lowest average high temperature is December (12.8°C).

The month with the highest average low temperature is September (14.3°C).
The coldest month (with the lowest average low temperature) is January (5.3°C).

[Resources]

Average pressure
Brentwood, CA

Average pressure - Brentwood, CA

The month with the highest atmospheric pressure is January (1020.6mbar).
The month with the lowest atmospheric pressure is June (1012.9mbar).

[Resources]

Average wind speed
Brentwood, CA

Average wind speed - Brentwood, CA

The windiest month (with the highest average wind speed) is June (12.5km/h).
The calmest months (with the lowest average wind speed) are January and November (7.3km/h).

[Resources]

Average humidity
Brentwood, CA

Average humidity - Brentwood, CA

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

[Resources]

Average rainfall
Brentwood, CA

Average rainfall - Brentwood, CA

The wettest month (with the highest rainfall) is February (53mm).
The driest months (with the least rainfall) are July and August (1mm).

[Resources]

Average rainfall days
Brentwood, CA

Average rainfall days - Brentwood, CA

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

[Resources]

Average snowfall days
Brentwood, CA

Average snowfall days - Brentwood, CA

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

[Resources]

Average daylight / Average sunshine
Brentwood, CA

Average daylight / Average sunshine - Brentwood, CA

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

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

[Resources]

Average sunshine days
Brentwood, CA

Average sunshine days - Brentwood, CA

The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is March (17.7 days).

[Resources]

Average UV index
Brentwood, CA

Average UV index - Brentwood, CA

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).

[Resources]

Average visibility
Brentwood, CA

Average visibility - Brentwood, CA

Months with the highest visibility are May, June, July, August, September, October and November (10km).
Months with the lowest visibility are January, February, March, April and December (9km).

[Resources]