Climate and monthly weather forecast
Southport, NY

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Weather in January

January, like December, is another subzero cold winter month in Southport, New York, with an average temperature fluctuating between 17.2°F (-8.2°C) and 28.8°F (-1.8°C). January is the coldest month of the year, registering average temperatures as high as 28.8°F (-1.8°C) and as low as 17.2°F (-8.2°C). Weather in January »

Weather in February

February, the last month of the winter in Southport, is a wintry month, with temperature in the range of an average high of 32.4°F (0.2°C) and an average low of 18.9°F (-7.3°C). As Southport steps into February, the average high-temperature holds at an icy 32.4°F (0.2°C), hinting at a minor fluctuation from the prior month. Weather in February »

Weather in March

March, the first month of the spring in Southport, is also a wintry month, with an average temperature varying between 41°F (5°C) and 25.9°F (-3.4°C). March witnesses a subtle temperature ascent, adjusting from 32.4°F (0.2°C) in February to a still cold 41°F (5°C). Weather in March »

Weather in April

April is a cool spring month in Southport, New York, with an average temperature ranging between min 35.2°F (1.8°C) and max 53.6°F (12°C). Southport, New York, in April sees a temperature change, with average high-temperatures moving from a cold 41°F (5°C) in March to a cool 53.6°F (12°C). Weather in April »

Weather in May

May, the last month of the spring in Southport, is a comfortable month, with an average temperature ranging between max 67.1°F (19.5°C) and min 46.8°F (8.2°C). The arrival of May signals an increase in the average high-temperature, moving from a fresh 53.6°F (12°C) in April to a refreshing 67.1°F (19.5°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Southport, New York, with temperature in the range of an average high of 74.5°F (23.6°C) and an average low of 53.1°F (11.7°C). With the onset of June, Southport's weather sees a minor temperature rise, transitioning from a refreshing 67.1°F (19.5°C) in May to a warm 74.5°F (23.6°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Southport, New York, with an average temperature varying between 57.7°F (14.3°C) and 80.1°F (26.7°C). July is the month when Southport sees the highest average temperatures, with a high of 80.1°F (26.7°C) and a low of 57.7°F (14.3°C). Weather in July »

Weather in August

August, the last month of the summer in Southport, is another warm month, with an average temperature fluctuating between 55.9°F (13.3°C) and 77.5°F (25.3°C). During August, Southport observes a subtle ascent to a still warm 77.5°F (25.3°C) from July's 80.1°F (26.7°C) in the average high-temperature. Weather in August »

Weather in September

September, the first month of the autumn in Southport, is also an agreeable month, with an average temperature varying between 70.7°F (21.5°C) and 50.4°F (10.2°C). The start of September signals a gentle decrease in the average high-temperature, transitioning from a warm 77.5°F (25.3°C) in August to an agreeable 70.7°F (21.5°C). Weather in September »

Weather in October

October, like September, is another refreshing autumn month in Southport, New York, with temperature in the range of an average high of 58.1°F (14.5°C) and an average low of 41.9°F (5.5°C). October ushers in a slight temperature change, with average high-temperatures reducing from September's agreeable 70.7°F (21.5°C) to a mild 58.1°F (14.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Southport, is also a frosty month, with an average temperature fluctuating between 31.5°F (-0.3°C) and 45.1°F (7.3°C). November involves a decrease in temperature, down from a moderate 58.1°F (14.5°C) in October to a chilly 45.1°F (7.3°C). Weather in November »

Weather in December

December, the first month of the winter in Southport, is also a wintry month, with an average temperature ranging between min 25.3°F (-3.7°C) and max 35.2°F (1.8°C). December comes with a decrease in the average high-temperature, falling from a chilly 45.1°F (7.3°C) in November to an icy 35.2°F (1.8°C). Weather in December »
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

In Southport, January is the coldest month, with temperatures averaging a high of 28.8°F (-1.8°C) and a low of 17.2°F (-8.2°C).

What is the driest month?

The months with the least rainfall are January and November Rain falls for 9.3 days and accumulates 1.89" (48mm) of rain.

How many days does it rain?

In Southport, during the entire year, the rain falls for 172.7 days and collects up to 29.57" (751mm) of precipitation.

When does it snow?

Months with snowfall are January through May, October through December.

How many days does it snow?

In Southport, during the entire year, snow falls for 76.6 days and aggregates up to 34.61" (879mm) of snow.

What is the month with the lowest UV index in Southport?

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

What is the most humid month?

With an average relative humidity of 85%, February is the most humid month.

When does it snow the most?

February is the month with the most snowfall in Southport, New York. Snow falls for 17 days and accumulates 8.82" (224mm) of snow.

What is the month with the least sunshine?

February has the least sunshine of the year, with an average of 3.1h of sunshine.

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.

What is the least humid month?

April through July, with an average relative humidity of 78%, are the least humid months.

What is the rainiest month?

April is the month with the most rainfall. Rain falls for 17.1 days and accumulates 3.07" (78mm) of precipitation.

What are the months with the highest UV index?

May through August, with an average maximum UV index of 5, are months with the highest UV index in Southport, New York.

When it does not snow?

June through September are months without snowfall in Southport.

When are the longest days?

June has the longest days of the year, with an average of 15h and 12min of daylight.

What time of the year is the hottest in Southport?

July, characterized by an average high temperature of 80.1°F (26.7°C) and a low temperature of 57.7°F (14.3°C), is generally the warmest month.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 10.2h of sunshine.

What is the month with the shortest days in Southport?

With an average of 9h and 12min of daylight, December has the shortest days of the year.

Average temperature
Southport, NY

Average temperature - Southport, NY

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (28.8°F).

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).

Average pressure
Southport, NY

Average pressure - Southport, NY

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Southport, NY

Average wind speed - Southport, NY

The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity
Southport, NY

Average humidity - Southport, NY

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, May, June and July (78%).

Average rainfall
Southport, NY

Average rainfall - Southport, NY

The wettest month (with the highest rainfall) is April (3.07").
The driest months (with the least rainfall) are January and November (1.89").

Average rainfall days
Southport, NY

Average rainfall days - Southport, NY

The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is February (8.3 days).

Average snowfall
Southport, NY

Average snowfall - Southport, NY

The month with the highest snowfall is February (8.82").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Southport, NY

Average snowfall days - Southport, NY

The month with the highest number of snowfall days is January (17.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Southport, NY

Average daylight / Average sunshine - Southport, NY

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).

Average sunshine days
Southport, NY

Average sunshine days - Southport, NY

The month with the most sunshine days is September (14.2 days).
The month with the least sunshine days is February (7.3 days).

Average UV index
Southport, NY

Average UV index - Southport, NY

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover
Southport, NY

Average cloud cover - Southport, NY

The months with the most cloud cover are January and February (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 36).

Average visibility
Southport, NY

Average visibility - Southport, NY

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

Southport, New York, USA

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