Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
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.Humidity
In January, the average relative humidity is 73%.Rainfall
In Southampton, during January, the rain falls for 8.8 days and regularly aggregates up to 1.54" (39mm) of precipitation. In Southampton, during the entire year, the rain falls for 145 days and collects up to 24.69" (627mm) of precipitation.Snowfall
January through March, May, November and December are months with snowfall. In January, it is snowing for 4.7 days. Throughout January, 1.54" (39mm) of snow is accumulated. Throughout the year, there are 15.6 snowfall days, and 5.16" (131mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 38min.On the first day of January, sunrise is at 7:13 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:04 pm EST.
Sunshine
In January, the average sunshine is 5h.UV index
The months with the lowest UV index are January through March and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: In January, the maximum UV index of 2 translates into these guidelines:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold does it get in January?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January in Southampton?
How long on average sun shines in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Southampton, NY
- Average high temperature in January: 39°F
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).
- Average low temperature in January: 31.5°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 in January
Southampton, NY
- Average pressure in January: 30.03"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 in January
Southampton, NY
- Average wind speed in January: 16.3mph
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 in January
Southampton, NY
- Average humidity in January: 73%
The month with the highest relative humidity is May (82%).
The month with the lowest relative humidity is November (72%).
Average rainfall in January
Southampton, NY
- Average rainfall in January: 1.54"
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 in January
Southampton, NY
- Average rainfall days in January: 8.8 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 in January
Southampton, NY
- Average snowfall in January: 1.54"
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 in January
Southampton, NY
- Average snowfall days in January: 4.7 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 in January /
Average sunshine in January
Southampton, NY
- Average daylight in January: 9h and 4min
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
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 in January
Southampton, NY
- Average sunshine days in January: 16.4 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 in January
Southampton, NY
- Average UV index in January: 2
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 in January
Southampton, NY
- Average cloud cover in January: 47
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 in January
Southampton, NY
- Average visibility in January: 6mi
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).
Southampton, New York, USA
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