July 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 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).

Temperature

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).

Heat index

In July, the average heat index is evaluated at a hot 93.2°F (34°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'felt air temperature', or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is individual, with diverse people perceiving weather differently for numerous reasons (pregnancy, wind, metabolic differences), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In July, the average relative humidity is 53%.

Rainfall

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.

Snowfall

In Brentwood snow does not fall in January through November.

Daylight

In Brentwood, California, the average length of the day in July is 14.5h.

Sunshine

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

UV index

Months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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 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 in Brentwood.

What is the temperature in July in Brentwood?

The average high-temperature, in July, in Brentwood, California, is 88.5°F (31.4°C), while the average low-temperature is 56.5°F (13.6°C). In July, the average heat index (a.k.a. 'real feel', 'feels like'), that combines relative humidity and air temperature, is estimated at 93.2°F (34°C).

What is the average humidity in July in Brentwood?

In Brentwood, the average relative humidity in July is 53%.

How much does it rain in Brentwood in July?

In Brentwood, in July, during 1.3 rainfall days, 0.04" (1mm) of precipitation is typically accumulated.

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.

When it does not snow in Brentwood?

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

How many hours of daylight does Brentwood have in July?

In July, the average length of the day in Brentwood, California, is 14.5h.

What month has the most sunshine in Brentwood?

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

How long on average sun shines in July in Brentwood?

In Brentwood, the average sunshine in July is 12.1h.

What is the month with the highest UV index in Brentwood?

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

What is the UV index intensity in July in Brentwood?

In July, the average daily maximum UV index in Brentwood is 6. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV radiation.

Average temperature in July
Brentwood, CA

Average temperature in July - Brentwood, CA
  • Average high temperature in July: 31.4°C

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).

  • Average low temperature in July: 13.6°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).

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Average pressure in July
Brentwood, CA

Average pressure in July - Brentwood, CA
  • Average pressure in July: 1013.3mbar

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

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Average wind speed in July
Brentwood, CA

Average wind speed in July - Brentwood, CA
  • Average wind speed in July: 12km/h

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).

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Average humidity in July
Brentwood, CA

Average humidity in July - Brentwood, CA
  • Average humidity in July: 53%

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

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Average rainfall in July
Brentwood, CA

Average rainfall in July - Brentwood, CA
  • Average rainfall in July: 1mm

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

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Average rainfall days in July
Brentwood, CA

Average rainfall days in July - Brentwood, CA
  • Average rainfall days in July: 1.3 days

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).

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Average snowfall days in July
Brentwood, CA

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

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).

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Average daylight in July /
Average sunshine in July
Brentwood, CA

Average daylight in July / Average sunshine in July - Brentwood, CA
  • Average daylight in July: 14.5h

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 July: 12.1h

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

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Average sunshine days in July
Brentwood, CA

Average sunshine days in July - Brentwood, CA
  • Average sunshine days in July: 29.7 days

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

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Average UV index in July
Brentwood, CA

Average UV index in July - Brentwood, CA
  • Average UV index in July: 6

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).

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Average cloud cover in July
Brentwood, CA

Average cloud cover in July - Brentwood, CA
  • Average cloud cover in July: 5

Months with the most cloud cover are March and December (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).

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Average visibility in July
Brentwood, CA

Average visibility in July - Brentwood, CA
  • Average visibility in July: 10km

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).

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