January weather forecastSouthport, CT
January
Weather in January
Southport, Connecticut, starts the year with a chill in its weather. The relatively high humidity and low temperature make January a cold month. With an average sea temperature of 41.5°F (5.3°C), it is not exactly the time for water-based outdoor activities. The presence of snow, to the tune of 2.13" (54mm) over approximately 7 days, paints the city white making it seem like a winter wonderland. The cold, however, does not dampen Southport's vibrancy; the city retains its charm and beauty throughout the chilly weather.Temperature
January stands out as Southport's coldest month, with an average high-temperature of 36.1°F (2.3°C) and a low-temperature of 26.6°F (-3°C).Humidity
In January, the average relative humidity is 74%.Rainfall
The month with the least rainfall is January, when the rain falls for 9.4 days and typically collects 2.48" (63mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Southport, in January, snow falls for 7.1 days, with typically accumulated 2.13" (54mm) of snow. In Southport, during the entire year, snow falls for 24.9 days and aggregates up to 9.41" (239mm) of snow.Ocean temperature
In Southport, the average seawater temperature in January is 41.5°F (5.3°C).Note: It is advised against swimming in 41.5°F (5.3°C) when it drops below 50°F (10°C). Such temperatures can cause extreme cold shock, leading to hyperventilation.
Daylight
The average length of the day in January in Southport, Connecticut, is 9h and 37min.On the first day of January in Southport, sunrise is at 7:18 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:07 pm EST.
Sunshine
In Southport, the average sunshine in January is 5.1h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Southport. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: During January, 2 as the daily maximum UV index converts into the following advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Southport, CT
- Average high temperature in January: 36.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in January: 26.6°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in January
Southport, CT
- Average pressure in January: 30.04"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Southport, CT
- Average wind speed in January: 10.5mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in January
Southport, CT
- Average humidity in January: 74%
The months with the highest relative humidity are May and June (76%).
The months with the lowest relative humidity are April and November (72%).
Average rainfall in January
Southport, CT
- Average rainfall in January: 2.48"
The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is January (2.48").
Average rainfall days in January
Southport, CT
- Average rainfall days in January: 9.4 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in January
Southport, CT
- Average snowfall in January: 2.13"
The month with the highest snowfall is March (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Southport, CT
- Average snowfall days in January: 7.1 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in January
Southport, CT
- Average sea temperature in January: 41.5°F
The best month for swimming (with the highest average sea temperature) is August (73°F).
The coldest month (with the lowest average sea temperature) is February (39°F).
Average daylight in January /
Average sunshine in January
Southport, CT
- Average daylight in January: 9h and 36min
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 6min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in January
Southport, CT
- Average sunshine days in January: 16.6 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in January
Southport, CT
- 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, November and December (UV index 2).
Average cloud cover in January
Southport, CT
- Average cloud cover in January: 44
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in January
Southport, CT
- 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).
