June 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 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).

Temperature

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). The average low-temperature, in Brentwood, is 55°F (12.8°C).

Heat index

The average heat index in June is estimated at a hot 86.4°F (30.2°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. 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', 'real feel', or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, pregnancy, wind), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, 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

The average relative humidity in June is 53%.

Rainfall

In Brentwood, it is raining for 1.3 days, with typically 0.08" (2mm) of accumulated precipitation. In Brentwood, during the entire year, the rain falls for 62 days and collects up to 10.16" (258mm) of precipitation.

Snowfall

In Brentwood snow does not fall in January through November.

Daylight

With an average of 14.8h of daylight, June has the longest days of the year in Brentwood.

Sunshine

In Brentwood, the average sunshine in June is 11.8h.

UV index

Months with the highest UV index in Brentwood, California, are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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 temperature in June in Brentwood?

In Brentwood, California, in June, the average high-temperature is 84.4°F (29.1°C), and the average low-temperature is 55°F (12.8°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), that combines both air temperature and relative humidity, in June is evaluated at 86.4°F (30.2°C).

What is the average humidity in June in Brentwood?

The average relative humidity in June in Brentwood, California, is 53%.

How much does it rain in Brentwood in June?

In Brentwood, during June, the rain falls for 1.3 days and regularly aggregates up to 0.08" (2mm) of precipitation.

When it does not snow in Brentwood?

January through November are months without snowfall.

When are the longest days in Brentwood?

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

How many hours of daylight does Brentwood have in June?

The average length of the day in June in Brentwood is 14.8h.

How long on average sun shines in June in Brentwood?

In June, the average sunshine is 11.8h.

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 UV index reading in June in Brentwood?

The average daily maximum UV index in June in Brentwood, California, is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from the exposure to the Sun's UV rays.

Average temperature in June
Brentwood, CA

Average temperature in June - Brentwood, CA
  • Average high temperature in June: 29.1°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 June: 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).

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Average pressure in June
Brentwood, CA

Average pressure in June - Brentwood, CA
  • Average pressure in June: 1012.9mbar

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 June
Brentwood, CA

Average wind speed in June - Brentwood, CA
  • Average wind speed in June: 12.5km/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 June
Brentwood, CA

Average humidity in June - Brentwood, CA
  • Average humidity in June: 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 June
Brentwood, CA

Average rainfall in June - Brentwood, CA
  • Average rainfall in June: 2mm

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 June
Brentwood, CA

Average rainfall days in June - Brentwood, CA
  • Average rainfall days in June: 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 June
Brentwood, CA

Average snowfall days in June - Brentwood, CA
  • Average snowfall days in June: 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 June /
Average sunshine in June
Brentwood, CA

Average daylight in June / Average sunshine in June - Brentwood, CA
  • Average daylight in June: 14.8h

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 June: 11.8h

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 June
Brentwood, CA

Average sunshine days in June - Brentwood, CA
  • Average sunshine days in June: 28.5 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 June
Brentwood, CA

Average UV index in June - Brentwood, CA
  • Average UV index in June: 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 June
Brentwood, CA

Average cloud cover in June - Brentwood, CA
  • Average cloud cover in June: 11

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 June
Brentwood, CA

Average visibility in June - Brentwood, CA
  • Average visibility in June: 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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