Climate and monthly weather forecast
Brentwood, NY

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Weather in January

January, like December, in Brentwood, New York, is an icy winter month, with an average temperature varying between 30°F (-1.1°C) and 37.9°F (3.3°C). Brentwood's temperature records reveal January as the coldest month, marked by average highs of 37.9°F (3.3°C) and lows of 30°F (-1.1°C). Weather in January »

Weather in February

February, the last month of the winter in Brentwood, is another cold month, with temperature in the range of an average low of 31.1°F (-0.5°C) and an average high of 39.7°F (4.3°C). Brentwood experiences a minor change to a still icy 39.7°F (4.3°C) in average high-temperature during February, closely reflecting January. Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Brentwood, New York, with an average temperature fluctuating between 36.1°F (2.3°C) and 44.2°F (6.8°C). The advent of March brings an average high-temperature of a chilly 44.2°F (6.8°C), exhibiting minor difference from the previous month. Weather in March »

Weather in April

April in Brentwood, New York, is a fresh spring month, with an average temperature fluctuating between 52.9°F (11.6°C) and 45.1°F (7.3°C). With the transition into April, Brentwood experiences a subtle uplift in average high-temperatures, adjusting from a chilly 44.2°F (6.8°C) in March to a fresh 52.9°F (11.6°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Brentwood, New York, with an average temperature varying between 54.5°F (12.5°C) and 62.2°F (16.8°C). Brentwood's transition into May is marked by a rise in the average high-temperature, advancing from a fresh 52.9°F (11.6°C) in April to a refreshing 62.2°F (16.8°C). Weather in May »

Weather in June

June, the first month of the summer in Brentwood, is an agreeable month, with an average temperature fluctuating between 71.4°F (21.9°C) and 63.9°F (17.7°C). The commencement of June sees a shift in the average high-temperature, moving from a comfortable 62.2°F (16.8°C) in May to an agreeable 71.4°F (21.9°C). Weather in June »

Weather in July

July is a warm summer month in Brentwood, New York, with an average temperature fluctuating between 71.8°F (22.1°C) and 79°F (26.1°C). With an average high-temperature of 79°F (26.1°C) and an average low-temperature of 71.8°F (22.1°C), July is the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Brentwood, New York, with an average temperature varying between 72°F (22.2°C) and 78.4°F (25.8°C). Brentwood's average high-temperature in August is a still moderately hot 78.4°F (25.8°C), indicating a subtle variation from July. Weather in August »

Weather in September

September, the first month of the autumn in Brentwood, is still a pleasant month, with an average temperature ranging between max 72.1°F (22.3°C) and min 65.3°F (18.5°C). The transition to September results in a modest reduction in average high-temperature, moving from a warm 78.4°F (25.8°C) in August to a pleasant 72.1°F (22.3°C). Weather in September »

Weather in October

October, like September, in Brentwood, New York, is another comfortable autumn month, with an average temperature ranging between max 62.4°F (16.9°C) and min 55.8°F (13.2°C). The average high-temperature decreases in October, shifting from a pleasant 72.1°F (22.3°C) in September to a refreshing 62.4°F (16.9°C). Weather in October »

Weather in November

November, the last month of the autumn in Brentwood, is also a fresh month, with an average temperature varying between 52°F (11.1°C) and 44.2°F (6.8°C). As November commences, the average high-temperature shows a reduction, transitioning from an enjoyable 62.4°F (16.9°C) in October to a fresh 52°F (11.1°C). Weather in November »

Weather in December

December, the first month of the winter in Brentwood, is still a chilly month, with an average temperature varying between 36.9°F (2.7°C) and 43.9°F (6.6°C). The transition to December results in a modest reduction in average high-temperature, moving from a fresh 52°F (11.1°C) in November to a frosty 43.9°F (6.6°C). Weather in December »
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

In Brentwood, January is known for its average lowest temperatures, reaching a high of 37.9°F (3.3°C) and a low of 30°F (-1.1°C).

What is the driest month?

January is the month with the least rainfall. Rain falls for 7.6 days and accumulates 2.05" (52mm) of precipitation.

How many days does it rain?

In Brentwood, during the entire year, the rain falls for 153.2 days and collects up to 34.45" (875mm) of precipitation.

When does it snow in Brentwood?

January through March, October through December are months with snowfall.

How many days does it snow?

In Brentwood, during the entire year, snow falls for 13 days and aggregates up to 5.87" (149mm) of snow.

What is the month with the lowest UV index?

January through March and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the month with the least sunshine?

With an average of 4.8h of sunshine, February has the least sunshine of the year in Brentwood.

What is the snowiest month?

March is the month with the most snowfall. Snow falls for 2.6 days and accumulates 1.97" (50mm) of snow.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

When it does not snow?

In Brentwood, snow does not fall in April through September.

What is the most humid month?

May and June, with an average relative humidity of 77%, are most humid months.

When are the longest days?

With an average of 15h and 6min of daylight, June has the longest days of the year.

What are the months with the highest UV index?

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

What time of the year is the hottest?

With its average high temperature of 79°F (26.1°C) and a low of 71.8°F (22.1°C), July is regarded as the warmest month in Brentwood.

What is the rainiest month?

July is the month with the most rainfall. Rain falls for 17.9 days and accumulates 3.86" (98mm) of precipitation.

What month has the most sunshine?

With an average of 10.8h of sunshine, July has the most sunshine of the year.

What is the least humid month?

The least humid month is November, with an average relative humidity of 71%.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

Average temperature
Brentwood, NY

Average temperature - Brentwood, NY

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (37.9°F).

The month with the highest average low temperature is August (72°F).
The coldest month (with the lowest average low temperature) is January (30°F).

Average pressure
Brentwood, NY

Average pressure - Brentwood, NY

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Brentwood, NY

Average wind speed - Brentwood, NY

The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is July (8.6mph).

Average humidity
Brentwood, NY

Average humidity - Brentwood, NY

The months with the highest relative humidity are May and June (77%).
The month with the lowest relative humidity is November (71%).

Average rainfall
Brentwood, NY

Average rainfall - Brentwood, NY

The wettest month (with the highest rainfall) is July (3.86").
The driest month (with the least rainfall) is January (2.05").

Average rainfall days
Brentwood, NY

Average rainfall days - Brentwood, NY

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.6 days).

Average snowfall
Brentwood, NY

Average snowfall - Brentwood, NY

The month with the highest snowfall is March (1.97").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days
Brentwood, NY

Average snowfall days - Brentwood, NY

The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Brentwood, NY

Average daylight / Average sunshine - Brentwood, NY

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days
Brentwood, NY

Average sunshine days - Brentwood, NY

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.2 days).

Average UV index
Brentwood, NY

Average UV index - Brentwood, NY

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, March and December (UV index 2).

Average visibility
Brentwood, NY

Average visibility - Brentwood, NY

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).

Brentwood, New York, USA

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