Climate and monthly weather forecast
Water Mill, NY

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Weather in January

January, like December, in Water Mill, New York, is another cold winter month, with an average temperature varying between 39°F (3.9°C) and 31.5°F (-0.3°C). The coldest period tends to be January, when average temperatures fluctuate between a high of 39°F (3.9°C) and a low of 31.5°F (-0.3°C). Weather in January »

Weather in February

February, the last month of the winter in Water Mill, is another cold month, with an average temperature ranging between max 39.7°F (4.3°C) and min 32°F (0°C). Water Mill records an average high-temperature of a still wintry 39.7°F (4.3°C) in February, closely mirroring the climate of the previous month. Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Water Mill, New York, with an average temperature varying between 42.8°F (6°C) and 36.7°F (2.6°C). The shift into March records an average high-temperature of a chilly 42.8°F (6°C), subtly varied from February's 39.7°F (4.3°C). Weather in March »

Weather in April

April is a fresh spring month in Water Mill, New York, with an average temperature ranging between max 50.2°F (10.1°C) and min 44.6°F (7°C). With the start of April, the average high-temperature marginally shifts from March's frosty 42.8°F (6°C) to a fresh 50.2°F (10.1°C). Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in Water Mill, New York, with an average temperature ranging between min 53.2°F (11.8°C) and max 58.3°F (14.6°C). May's arrival brings a modest temperature shift, moving from a cool 50.2°F (10.1°C) in April to a refreshing 58.3°F (14.6°C). Weather in May »

Weather in June

The first month of the summer, June, is a refreshing month in Water Mill, New York, with an average temperature ranging between max 67.5°F (19.7°C) and min 63°F (17.2°C). Water Mill's transition into June is marked by a temperature shift, moving from a moderate 58.3°F (14.6°C) in May to an enjoyable 67.5°F (19.7°C). Weather in June »

Weather in July

July in Water Mill, New York, is a moderately hot summer month, with temperature in the range of an average high of 75.4°F (24.1°C) and an average low of 71.1°F (21.7°C). July signifies a subtle uplift in the average high-temperature, adjusting from an enjoyable 67.5°F (19.7°C) in June to a moderately hot 75.4°F (24.1°C). Weather in July »

Weather in August

August, the last month of the summer in Water Mill, is also a moderately hot month, with an average temperature varying between 71.2°F (21.8°C) and 75.7°F (24.3°C). The warmest time of the year is August, with temperatures averaging a high of 75.7°F (24.3°C) and a low of 71.2°F (21.8°C). Weather in August »

Weather in September

September, the first month of the autumn in Water Mill, is still a pleasant month, with an average temperature ranging between min 66°F (18.9°C) and max 70.5°F (21.4°C). Water Mill's entry into September measures an average high-temperature of a pleasant 70.5°F (21.4°C), closely parallel to the preceding month. Weather in September »

Weather in October

October, like September, in Water Mill, New York, is another comfortable autumn month, with temperature in the range of an average low of 56.7°F (13.7°C) and an average high of 62.6°F (17°C). In October, the meteorological conditions change slightly, with the average high-temperature moving from an agreeable 70.5°F (21.4°C) in September to an enjoyable 62.6°F (17°C). Weather in October »

Weather in November

November, the last month of the autumn in Water Mill, is another cool month, with an average temperature fluctuating between 52.9°F (11.6°C) and 45.9°F (7.7°C). Observing a mild shift, the average high-temperature during November reduces from October's comfortable 62.6°F (17°C) to a fresh 52.9°F (11.6°C). Weather in November »

Weather in December

December, the first month of the winter in Water Mill, is also a frosty month, with an average temperature ranging between min 38.3°F (3.5°C) and max 45.3°F (7.4°C). The transition into December subtly indicates a reduction in the average high-temperature, down to a chilly 45.3°F (7.4°C) from November's cool 52.9°F (11.6°C). Weather in December »
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

The coldest month is January, with an average high-temperature of 39°F (3.9°C) and an average low-temperature of 31.5°F (-0.3°C).

How many days does it rain?

Throughout the year, there are 145 rainfall days, and 24.69" (627mm) of precipitation is accumulated.

When does it snow?

Months with snowfall in Water Mill are January through March, May, November and December.

How much does it snow?

Throughout the year, there are 15.6 snowfall days, and 5.16" (131mm) of snow is accumulated.

What is the month with the lowest UV index?

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

When does it snow the most?

March is the month with the most snowfall in Water Mill. Snow falls for 3 days and accumulates 1.57" (40mm) 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 Water Mill?

In Water Mill, snow does not fall in April, June through October.

What is the most humid month?

The most humid month is May, with an average relative humidity of 82%.

When are the longest days?

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

What is the month with the highest UV index?

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

What is the warmest month?

August, with average temperatures reaching a high of 75.7°F (24.3°C) and a low of 71.2°F (21.8°C), is the warmest month.

What month has the most sunshine?

With an average of 10.7h of sunshine, August has the most sunshine of the year.

What is the driest month?

September is the month with the least rainfall. Rain falls for 12.6 days and accumulates 1.5" (38mm) of precipitation.

What is the wettest month?

The wettest months are October and December, with an average 2.6" (66mm) of rainfall.

What is the least humid month?

With an average relative humidity of 72%, November is the least humid month.

What is the month with the shortest days?

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

What is the month with the least sunshine?

With an average of 4.7h of sunshine, December has the least sunshine of the year.

Average temperature
Water Mill, NY

Average temperature - Water Mill, NY

The warmest month (with the highest average high temperature) is August (75.7°F).
The month with the lowest average high temperature is January (39°F).

The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

Average pressure
Water Mill, NY

Average pressure - Water Mill, NY

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Water Mill, NY

Average wind speed - Water Mill, NY

The windiest month (with the highest average wind speed) is January (16.3mph).
The calmest month (with the lowest average wind speed) is July (10.7mph).

Average humidity
Water Mill, NY

Average humidity - Water Mill, NY

The month with the highest relative humidity is May (82%).
The month with the lowest relative humidity is November (72%).

Average rainfall
Water Mill, NY

Average rainfall - Water Mill, NY

The wettest months (with the highest rainfall) are October and December (2.6").
The driest month (with the least rainfall) is September (1.5").

Average rainfall days
Water Mill, NY

Average rainfall days - Water Mill, NY

The months with the highest number of rainy days are May and July (14.8 days).
The months with the least rainy days are January and February (8.8 days).

Average snowfall
Water Mill, NY

Average snowfall - Water Mill, NY

The month with the highest snowfall is March (1.57").
The months with the least snowfall are April, June, July, August, September and October (0").

Average snowfall days
Water Mill, NY

Average snowfall days - Water Mill, NY

The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight / Average sunshine
Water Mill, NY

Average daylight / Average sunshine - Water Mill, 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 August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

Average sunshine days
Water Mill, NY

Average sunshine days - Water Mill, NY

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (13.9 days).

Average UV index
Water Mill, NY

Average UV index - Water Mill, 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
Water Mill, NY

Average visibility - Water Mill, 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).

Water Mill, New York, USA

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