Climate and monthly weather forecast
New Haven, NY

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Weather in January

January, like December, is another subzero cold winter month in New Haven, New York, with an average temperature ranging between min 18°F (-7.8°C) and max 27.9°F (-2.3°C). New Haven's coldest temperatures are experienced in January, with average high temperatures of 27.9°F (-2.3°C) and lows of 18°F (-7.8°C). Weather in January »

Weather in February

February, the last month of the winter in New Haven, is also a subzero cold month, with an average temperature fluctuating between 19.6°F (-6.9°C) and 29.7°F (-1.3°C). New Haven, New York, experiences an average high-temperature of a still subzero cold 29.7°F (-1.3°C) in February, marking an insignificant shift from 27.9°F (-2.3°C) in January. Weather in February »

Weather in March

March, the first month of the spring in New Haven, is a cold month, with temperature in the range of an average high of 37°F (2.8°C) and an average low of 26.4°F (-3.1°C). The onset of March brings a minor temperature shift, with the average high-temperature moving from a subzero cold 29.7°F (-1.3°C) in February to an icy 37°F (2.8°C). Weather in March »

Weather in April

April is a frosty spring month in New Haven, New York, with temperature in the range of an average high of 49.6°F (9.8°C) and an average low of 36.1°F (2.3°C). New Haven's transition into April sees a rise in the average high-temperature, advancing from a cold 37°F (2.8°C) in March to a chilly 49.6°F (9.8°C). Weather in April »

Weather in May

May, the last month of the spring in New Haven, is an enjoyable month, with temperature in the range of an average high of 61.9°F (16.6°C) and an average low of 46.9°F (8.3°C). May brings a rise in New Haven's average high-temperature, moving from a chilly 49.6°F (9.8°C) in April to a comfortable 61.9°F (16.6°C). Weather in May »

Weather in June

June, the first month of the summer in New Haven, is an agreeable month, with temperature in the range of an average high of 68.5°F (20.3°C) and an average low of 54.9°F (12.7°C). As New Haven enters June, the average high-temperature marginally increases from the an enjoyable 61.9°F (16.6°C) of May to a pleasant 68.5°F (20.3°C). Weather in June »

Weather in July

July in New Haven, New York, is a moderately hot summer month, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 75.2°F (24°C). Temperature records mark July as the warmest month, with highs averaging 75.2°F (24°C) and lows at 62.2°F (16.8°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in New Haven, New York, with an average temperature ranging between min 61.2°F (16.2°C) and max 74.8°F (23.8°C). New Haven, New York, observes a minor difference in average high-temperatures between July's 75.2°F (24°C) and August's 74.8°F (23.8°C). Weather in August »

Weather in September

September, the first month of the autumn in New Haven, is still a pleasant month, with an average temperature fluctuating between 68.9°F (20.5°C) and 55.2°F (12.9°C). September's onset brings a negligible change in high-temperatures, falling from a moderately hot 74.8°F (23.8°C) in August to an agreeable 68.9°F (20.5°C). Weather in September »

Weather in October

October, like September, is another refreshing autumn month in New Haven, New York, with an average temperature ranging between max 57°F (13.9°C) and min 46°F (7.8°C). The beginning of October involves a decrease in the average high-temperature, transitioning from an agreeable 68.9°F (20.5°C) in September to a moderate 57°F (13.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in New Haven, New York, with an average temperature ranging between min 34.5°F (1.4°C) and max 44.2°F (6.8°C). November ushers in a slight temperature change, with average high-temperatures reducing from October's mild 57°F (13.9°C) to a frosty 44.2°F (6.8°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in New Haven, New York, with an average temperature ranging between max 34.3°F (1.3°C) and min 26.4°F (-3.1°C). With the onset of December, New Haven's average high-temperature adjusts, receding from November's chilly 44.2°F (6.8°C) to a cold 34.3°F (1.3°C). Weather in December »
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest in New Haven?

In New Haven, January is the coldest month, with temperatures averaging a high of 27.9°F (-2.3°C) and a low of 18°F (-7.8°C).

What are the most humid months in New Haven?

January and February, with an average relative humidity of 86%, are most humid months in New Haven, New York.

How much does it rain in New Haven?

Throughout the year, in New Haven, New York, there are 171 rainfall days, and 39.21" (996mm) of precipitation is accumulated.

When does it snow in New Haven?

Months with snowfall in New Haven are January through May, October through December.

What is the snowiest month in New Haven?

The month with the most snowfall is January, when snow falls for 18.9 days and typically aggregates up to 8.98" (228mm) of snow.

How much does it snow in New Haven?

Throughout the year, in New Haven, New York, there are 76.2 snowfall days, and 36.61" (930mm) of snow is accumulated.

What is the month with the least sunshine in New Haven?

With an average of 2.4h of sunshine, January has the least sunshine of the year.

What are the months with the lowest UV index in New Haven?

January and December, with an average maximum UV index of 1, are months with the lowest UV index.

When is Daylight Saving Time (DST) in New Haven?

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 New Haven?

In New Haven, snow does not fall in June through September.

When are the longest days in New Haven?

The month with the longest days is June, with an average of 15h and 24min of daylight.

What is the warmest month in New Haven?

With average high temperatures of 75.2°F (24°C) and lows of 62.2°F (16.8°C), July is the warmest month in New Haven.

What month has the most sunshine in New Haven?

The month with the most sunshine in New Haven is July, with an average of 10.4h of sunshine.

When is the highest UV index in New Haven?

July is the month with the highest UV index, with an average maximum UV index of 6.

What is the least humid month in New Haven?

With an average relative humidity of 77%, September is the least humid month in New Haven.

What is the driest month in New Haven?

September is the month with the least rainfall. Rain falls for 14.2 days and accumulates 2.36" (60mm) of precipitation.

What is the wettest month in New Haven?

October is the month with the most rainfall in New Haven, New York. Rain falls for 19.1 days and accumulates 4.02" (102mm) of precipitation.

What is the month with the shortest days in New Haven?

The month with the shortest days is December, with an average of 9h and 0min of daylight.

Average temperature
New Haven, NY

Average temperature - New Haven, NY

The warmest month (with the highest average high temperature) is July (75.2°F).
The month with the lowest average high temperature is January (27.9°F).

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure
New Haven, NY

Average pressure - New Haven, NY

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed
New Haven, NY

Average wind speed - New Haven, NY

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

Average humidity
New Haven, NY

Average humidity - New Haven, NY

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is September (77%).

Average rainfall
New Haven, NY

Average rainfall - New Haven, NY

The wettest month (with the highest rainfall) is October (4.02").
The driest month (with the least rainfall) is September (2.36").

Average rainfall days
New Haven, NY

Average rainfall days - New Haven, NY

The month with the highest number of rainy days is October (19.1 days).
The month with the least rainy days is February (7.8 days).

Average snowfall
New Haven, NY

Average snowfall - New Haven, NY

The month with the highest snowfall is January (8.98").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
New Haven, NY

Average snowfall days - New Haven, NY

The month with the highest number of snowfall days is January (18.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
New Haven, NY

Average daylight / Average sunshine - New Haven, NY

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).

Average sunshine days
New Haven, NY

Average sunshine days - New Haven, NY

The month with the most sunshine days is September (14 days).
The month with the least sunshine days is January (6.3 days).

Average visibility
New Haven, NY

Average visibility - New Haven, NY

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

New Haven, New York, USA

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