May 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 May

The last month of the spring, May, is a moderately hot month in Brentwood, California, with temperature in the range of an average low of 50.5°F (10.3°C) and an average high of 75.6°F (24.2°C).

Temperature

In May, the average high-temperature marginally rises, from a pleasant 69.4°F (20.8°C) in April, to a moderately hot 75.6°F (24.2°C). In Brentwood, the average low-temperature is 50.5°F (10.3°C).

Humidity

In Brentwood, California, the average relative humidity is 60%.

Rainfall

In Brentwood, during May, the rain falls for 4 days and regularly aggregates up to 0.43" (11mm) of precipitation. Throughout the year, in Brentwood, there are 62 rainfall days, and 10.16" (258mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in May is 14.2h.

Sunshine

In Brentwood, the average sunshine is 11.2h.

UV index

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 average humidity in May in Brentwood?

In May, the average relative humidity is 60%.

How much does it rain in Brentwood in May?

In Brentwood, California, in May, during 4 rainfall days, 0.43" (11mm) of precipitation is typically accumulated.

When it does not snow in Brentwood?

In Brentwood snow does not fall in January through November.

What is the average length of the day in May in Brentwood?

The average length of the day in May in Brentwood is 14.2h.

How many hours of sunshine does Brentwood have in May?

In May, the average sunshine in Brentwood, California, is 11.2h.

What is the UV index intensity in May in Brentwood?

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV radiation.

Average temperature in May
Brentwood, CA

Average temperature in May - Brentwood, CA
  • Average high temperature in May: 75.6°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 May: 50.5°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 May
Brentwood, CA

Average pressure in May - Brentwood, CA
  • Average pressure in May: 29.97"

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 May
Brentwood, CA

Average wind speed in May - Brentwood, CA
  • Average wind speed in May: 7.6mph

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 May
Brentwood, CA

Average humidity in May - Brentwood, CA
  • Average humidity in May: 60%

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 May
Brentwood, CA

Average rainfall in May - Brentwood, CA
  • Average rainfall in May: 0.43"

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 May
Brentwood, CA

Average rainfall days in May - Brentwood, CA
  • Average rainfall days in May: 4 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 May
Brentwood, CA

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

Average daylight in May / Average sunshine in May - Brentwood, CA
  • Average daylight in May: 14.2h

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 May: 11.2h

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 May
Brentwood, CA

Average sunshine days in May - Brentwood, CA
  • Average sunshine days in May: 26.6 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 May
Brentwood, CA

Average UV index in May - Brentwood, CA
  • Average UV index in May: 5

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 May
Brentwood, CA

Average cloud cover in May - Brentwood, CA
  • Average cloud cover in May: 19

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 May
Brentwood, CA

Average visibility in May - Brentwood, CA
  • Average visibility in May: 6mi

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

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