July weather forecast
Brentwood, CA

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

Weather in July

July in Brentwood, California, is a tropical summer month, with an average temperature ranging between max 88.5°F (31.4°C) and min 56.5°F (13.6°C).

Temperature

July is the warmest month, 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 calculated to be a hot 93.2°F (34°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'apparent temperature', or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, differences in body mass, height, and shape, wind, and pregnancy affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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

The average relative humidity in July is 53%.

Rainfall

July and August are months with the least rain when the rain falls for 1.3 days and typically aggregates up to 0.04" (1mm) of rain.

Snowfall

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

Daylight

The average length of the day in July in Brentwood is 14h and 29min.
On the first day of the month, sunrise is at 5:48 am and sunset at 8:33 pm. On the last day of July, sunrise is at 6:09 am and sunset at 8:16 pm PDT.

Sunshine

The month with the most sunshine in Brentwood, California, is July, with an average of 12.1h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 6 in July interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. 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?

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).

What is the temperature in July in Brentwood?

In Brentwood, California, in July, the average high-temperature is 88.5°F (31.4°C), and the average low-temperature is 56.5°F (13.6°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is calculated to be 93.2°F (34°C).

What is the average humidity in July in Brentwood?

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

What is the driest month in Brentwood?

July and August are months with the least rain when the rain falls for 1.3 days and typically aggregates up to 0.04" (1mm) of rain.

How much does it rain in Brentwood in July?

In July, in Brentwood, California, the rain falls for 1.3 days. Throughout July, 0.04" (1mm) of precipitation is accumulated.

When it does not snow in Brentwood?

January through November are months without snowfall in Brentwood.

How many hours of daylight does Brentwood have in July?

In July, the average day length in Brentwood is 14h and 29min.

What time are sunrise and sunset in July in Brentwood?

On the first day of July in Brentwood, sunrise is at 5:48 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 8:16 pm PDT.

What month has the most sunshine in Brentwood?

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

How long on average sun shines in July in Brentwood?

In July, the average sunshine duration in Brentwood 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, California.

How high is the UV index in July in Brentwood?

The average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.

Average temperature in July
Brentwood, CA

Average temperature in July - Brentwood, CA
  • Average high temperature in July: 88.5°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 July: 56.5°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).

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Average pressure in July
Brentwood, CA

Average pressure in July - Brentwood, CA
  • Average pressure in July: 29.92"

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in July
Brentwood, CA

Average wind speed in July - Brentwood, CA
  • Average wind speed in July: 7.5mph

The windiest month (with the highest average wind speed) is June (7.8mph).
The calmest months (with the lowest average wind speed) are January and November (4.5mph).

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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: 0.04"

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

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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).
The 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: 14h and 29min

The month with the longest days is June (Average daylight: 14h and 45min).
The month with the shortest days is December (Average daylight: 9h and 35min).

  • 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

The months with the highest UV index are June, July and August (UV index 6).
The 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

The 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: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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