Climate and monthly weather forecastSouthampton, NY
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Southampton, New York, with an average temperature ranging between min 31.5°F (-0.3°C) and max 39°F (3.9°C). January, with an average high of 39°F (3.9°C) and a low of 31.5°F (-0.3°C), signifies the coldest month of the year. Weather in January »Weather in February
February, the last month of the winter in Southampton, is also an icy month, with an average temperature ranging between max 39.7°F (4.3°C) and min 32°F (0°C). Southampton's transition from January to February introduces an average high-temperature of a still cold 39.7°F (4.3°C), marking an insignificant variation from the 39°F (3.9°C). Weather in February »Weather in March
March, the first month of the spring in Southampton, is a frosty month, with temperature in the range of an average high of 42.8°F (6°C) and an average low of 36.7°F (2.6°C). Southampton, New York, experiences a recorded average high-temperature of a chilly 42.8°F (6°C) in March, closely aligned with February's 39.7°F (4.3°C). Weather in March »Weather in April
April is a fresh spring month in Southampton, New York, with an average temperature ranging between max 50.2°F (10.1°C) and min 44.6°F (7°C). As March transitions into April, Southampton notices a gentle rise in the average high-temperature, transitioning from a chilly 42.8°F (6°C) to a fresh 50.2°F (10.1°C). Weather in April »Weather in May
May, the last month of the spring in Southampton, is a refreshing month, with an average temperature ranging between min 53.2°F (11.8°C) and max 58.3°F (14.6°C). May's arrival coincides with a marginal rise in the average high-temperature, moving from April's fresh 50.2°F (10.1°C) to a mild 58.3°F (14.6°C). Weather in May »Weather in June
June, the first month of the summer in Southampton, is a comfortable month, with an average temperature ranging between max 67.5°F (19.7°C) and min 63°F (17.2°C). The shift into June is accompanied by a temperature increase, with the average high-temperature rising from a mild 58.3°F (14.6°C) in May to a still refreshing 67.5°F (19.7°C). Weather in June »Weather in July
July in Southampton, New York, is a moderately hot summer month, with an average temperature ranging between min 71.1°F (21.7°C) and max 75.4°F (24.1°C). The embrace of July brings a minor uplift in the average high-temperature, shifting from a refreshing 67.5°F (19.7°C) in June to a moderately hot 75.4°F (24.1°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Southampton, New York, with an average temperature fluctuating between 75.7°F (24.3°C) and 71.2°F (21.8°C). Southampton's warmest month, August, generally records average temperatures ranging from a high of 75.7°F (24.3°C) to a low of 71.2°F (21.8°C). Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Southampton, New York, with an average temperature varying between 66°F (18.9°C) and 70.5°F (21.4°C). Upon the beginning of September, Southampton's high-temperatures register at an agreeable 70.5°F (21.4°C), closely mirroring the preceding month. Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Southampton, New York, 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). October's onset introduces a mild reduction in the average high-temperature, from a pleasant 70.5°F (21.4°C) in September to a refreshing 62.6°F (17°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Southampton, New York, with an average temperature varying between 52.9°F (11.6°C) and 45.9°F (7.7°C). The arrival of November corresponds with a reduction in the average high-temperature, down from October's refreshing 62.6°F (17°C) to a cool 52.9°F (11.6°C). Weather in November »Weather in December
December, the first month of the winter in Southampton, is still a chilly month, with an average temperature varying between 45.3°F (7.4°C) and 38.3°F (3.5°C). December signals a slight drop in average high-temperature, sliding from November's cool 52.9°F (11.6°C) to a frosty 45.3°F (7.4°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Southampton, 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
Southampton, NY
- Average pressure in January:
30.03"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.05"Hg
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
Southampton, NY
- Average wind speed in January:
16.3mph - Average wind speed in February:
15.6mph - Average wind speed in March:
15.5mph - Average wind speed in April:
14.1mph - Average wind speed in May:
12.2mph - Average wind speed in June:
11.1mph
- Average wind speed in July:
10.7mph - Average wind speed in August:
10.9mph - Average wind speed in September:
12.6mph - Average wind speed in October:
14.8mph - Average wind speed in November:
15.6mph - Average wind speed in December:
15.9mph
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
Southampton, NY
The month with the highest relative humidity is May (82%).
The month with the lowest relative humidity is November (72%).
Average rainfall
Southampton, NY
- Average rainfall in January:
1.54" - Average rainfall in February:
1.69" - Average rainfall in March:
2.28" - Average rainfall in April:
2.17" - Average rainfall in May:
2.17" - Average rainfall in June:
1.97"
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
Southampton, NY
- Average rainfall days in January:
8.8 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
10.6 days - Average rainfall days in April:
12.6 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
13.2 days
- Average rainfall days in July:
14.8 days - Average rainfall days in August:
14.4 days - Average rainfall days in September:
12.6 days - Average rainfall days in October:
13.1 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
11.8 days
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
Southampton, 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
Southampton, NY
- Average snowfall days in January:
4.7 days - Average snowfall days in February:
4.8 days - Average snowfall days in March:
3 days - Average snowfall days in April:
0.2 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.3 days - Average snowfall days in December:
2.5 days
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
Southampton, NY
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
4h and 48min - Average sunshine in March:
6h and 18min - Average sunshine in April:
8h and 36min - Average sunshine in May:
8h and 54min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 42min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 12min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 42min
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
Southampton, NY
- Average sunshine days in January:
16.4 days - Average sunshine days in February:
14.2 days - Average sunshine days in March:
15.9 days - Average sunshine days in April:
15.5 days - Average sunshine days in May:
15.2 days - Average sunshine days in June:
15.4 days
- Average sunshine days in July:
13.9 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
15.4 days - Average sunshine days in October:
15.8 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
14.5 days
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
Southampton, 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 cloud cover
Southampton, NY
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility
Southampton, 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).





