Brookhaven
New York, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Brookhaven, NY

January, the same as December, is another cold winter month in Brookhaven, New York, with average temperature fluctuating between 30.6°F (-0.8°C) and 38.7°F (3.7°C). With an average high-temperature of 38.7°F (3.7°C) and an average low-temperature of 30.6°F (-0.8°C), January is the coldest month. Weather in January »

The last month of the winter, February, is another cold month in Brookhaven, New York, with temperature in the range of an average high of 39.6°F (4.2°C) and an average low of 31.5°F (-0.3°C). In February, the average high-temperature is practically the same as in January - a still wintry 39.6°F (4.2°C). Weather in February »

The first month of the spring, March, is a chilly month in Brookhaven, New York, with average temperature varying between 36.3°F (2.4°C) and 43.3°F (6.3°C). In Brookhaven, New York, the average high-temperature is essentially the same as in February - a chilly 43.3°F (6.3°C). Weather in March »

April in Brookhaven, New York, is a cool spring month, with average temperature varying between 44.6°F (7°C) and 51.4°F (10.8°C). In Brookhaven, the average high-temperature marginally rises, from a chilly 43.3°F (6.3°C) in March, to a fresh 51.4°F (10.8°C). Weather in April »

The last month of the spring, May, is a moderate month in Brookhaven, New York, with temperature in the range of an average high of 60.4°F (15.8°C) and an average low of 54.1°F (12.3°C). In May, the average high-temperature increases, from a fresh 51.4°F (10.8°C) in April, to a mild 60.4°F (15.8°C). Weather in May »

June, the first month of the summer, in Brookhaven, is an agreeable month, with average temperature varying between 69.3°F (20.7°C) and 63.1°F (17.3°C). In June, the average high-temperature slightly increases, from a mild 60.4°F (15.8°C) in May, to a pleasant 69.3°F (20.7°C). Weather in June »

July is a moderately hot summer month in Brookhaven, New York, with average temperature varying between 76.8°F (24.9°C) and 71.4°F (21.9°C). In July, the average high-temperature marginally rises, from an agreeable 69.3°F (20.7°C) in June, to a moderately hot 76.8°F (24.9°C). Weather in July »

The last month of the summer, August, is also a moderately hot month in Brookhaven, New York, with average temperature ranging between max 77.5°F (25.3°C) and min 71.4°F (21.9°C). With an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 71.4°F (21.9°C), August is the warmest month. Weather in August »

The first month of the autumn, September, is still a pleasant month in Brookhaven, New York, with average temperature ranging between max 71.4°F (21.9°C) and min 65.3°F (18.5°C). In September, the average high-temperature marginally drops, from a warm 77.5°F (25.3°C) in August, to an agreeable 71.4°F (21.9°C). Weather in September »

October, like September, in Brookhaven, New York, is another comfortable autumn month, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 62.6°F (17°C). In October, the average high-temperature marginally drops, from a pleasant 71.4°F (21.9°C) in September, to a comfortable 62.6°F (17°C). Weather in October »

November, the last month of the autumn, in Brookhaven, is another cool month, with average temperature ranging between max 52.5°F (11.4°C) and min 45.5°F (7.5°C). In November, the average high-temperature decreases, from an enjoyable 62.6°F (17°C) in October, to a cool 52.5°F (11.4°C). Weather in November »

The first month of the winter, December, is still a chilly month in Brookhaven, New York, with temperature in the range of an average high of 44.8°F (7.1°C) and an average low of 37°F (2.8°C). In December, the average high-temperature slightly decreases, from a cool 52.5°F (11.4°C) in November, to a chilly 44.8°F (7.1°C). Weather in December »

What is the coldest month in Brookhaven?

With an average high-temperature of 38.7°F (3.7°C) and an average low-temperature of 30.6°F (-0.8°C), January is the coldest month in Brookhaven, New York.

How much does it rain in Brookhaven?

In Brookhaven, New York, during the entire year, the rain falls for 156.2 days and collects up to 30.2" (767mm) of precipitation.

What is the driest month in Brookhaven?

January, February and September are months with the least rain when the rain falls for 10.1 days and typically aggregates up to 2.01" (51mm) of rain.

When does it snow in Brookhaven?

Months with snowfall in Brookhaven, New York, are January through April, November and December.

How much does it snow in Brookhaven?

In Brookhaven, during the entire year, snow falls for 17.9 days, and aggregates up to 4.57" (116mm) of snow.

When does it snow the most in Brookhaven?

January is the month with the most snowfall in Brookhaven, New York. Snow falls for 5.3 days and accumulates 1.5" (38mm) of snow.

When is the lowest UV index in Brookhaven?

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

What is the month with the least sunshine in Brookhaven?

With an average of 4.8h of sunshine, February has the least sunshine of the year in Brookhaven, New York.

What is the most humid month in Brookhaven?

May is the most humid month in Brookhaven, New York, with an average relative humidity of 80%.

When it does not snow in Brookhaven?

In Brookhaven snow does not fall in May through October.

When are the longest days in Brookhaven?

With an average of 15.1h of daylight, June has the longest days of the year in Brookhaven, New York.

What are the months with the highest UV index in Brookhaven?

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

What is the month with the most sunshine in Brookhaven?

July and August, with an average of 10.8h of sunshine, are months with the most sunshine.

What is the warmest month in Brookhaven?

The warmest month in Brookhaven, New York, is August, with an average high-temperature of 77.5°F (25.3°C) and an average low-temperature of 71.4°F (21.9°C).

What is the least humid month in Brookhaven?

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

What is the wettest month in Brookhaven?

December is the month with the most rainfall. Rain falls for 12.8 days and accumulates 3.31" (84mm) of precipitation.

What is the month with the shortest days in Brookhaven?

The month with the shortest days in Brookhaven is December, with an average of 9.3h of daylight.
Average temperature - Brookhaven, NY
Average rainfall - Brookhaven, NY

The wettest month (with the highest rainfall) is December (3.31").
The driest months (with the least rainfall) are January, February and September (2.01").

Average rainfall days - Brookhaven, NY

The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (9 days).

Average snowfall - Brookhaven, NY
Average snowfall days - Brookhaven, NY

The month with the highest number of snowfall days is February (5.4 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine - Brookhaven, NY

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

Months with the most sunshine are July and August (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 4.8h).

Average UV index - Brookhaven, NY