January weather forecastMystic, CT
January
Weather in January
In Mystic, January persists as the coldest month with an average high of only 36.5°F (2.5°C) and sun for just 5.2 hours per day. A crisp wind moving at a monthly average of 12.4mph (20km/h) whisks in the New Year, setting the tone for the frosty month ahead. Those planning outdoor activities may want to account for around 11 snowfall days due to localized weather patterns. Despite the biting winds and chilling temperatures, Mystic has its own charm in January. The thin blanket of snow makes it a scenic winter wonderland, attracting photographers and nature enthusiasts alike.Temperature
Mystic's coldest month, January, generally records average temperatures ranging from a high of 36.5°F (2.5°C) to a low of 26.6°F (-3°C).Humidity
January, March, April and November, with an average relative humidity of 74%, are the least humid months in Mystic.Rainfall
In Mystic, in January, during 10.8 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. Throughout the year, there are 166.1 rainfall days, and 34.09" (866mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Mystic, in January, snow falls for 6.8 days, with typically accumulated 1.65" (42mm) of snow. In Mystic, during the entire year, snow falls for 24.7 days and aggregates up to 7.87" (200mm) of snow.Ocean temperature
In Mystic, in January, the average water temperature is 41.2°F (5.1°C).Note: Swimming in 41.2°F (5.1°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.
Daylight
The average length of the day in January is 9h and 35min.On the first day of January, sunrise is at 7:13 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:02 pm EST.
Sunshine
The average sunshine in January is 5.2h.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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Mystic, CT
- Average high temperature in January: 36.5°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in January: 26.6°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in January
Mystic, CT
- Average pressure in January: 30.02"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
Mystic, CT
- Average wind speed in January: 12.4mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity in January
Mystic, CT
- Average humidity in January: 74%
The month with the highest relative humidity is June (81%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in January
Mystic, CT
- Average rainfall in January: 2.68"
The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in January
Mystic, CT
- Average rainfall days in January: 10.8 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (10.1 days).
Average snowfall in January
Mystic, CT
- Average snowfall in January: 1.65"
The month with the highest snowfall is March (2.44").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Mystic, CT
- Average snowfall days in January: 6.8 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in January
Mystic, CT
- Average sea temperature in January: 41.2°F
The best month for swimming (with the highest average sea temperature) is August (70.3°F).
The coldest month (with the lowest average sea temperature) is February (37.9°F).
Average daylight in January /
Average sunshine in January
Mystic, 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 12min).
- Average sunshine in January: 5h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in January
Mystic, CT
- Average sunshine days in January: 14.8 days
The month with the most sunshine days is November (16.5 days).
The months with the least sunshine days are June and July (11.7 days).
Average UV index in January
Mystic, 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 and December (UV index 2).
Average cloud cover in January
Mystic, CT
- Average cloud cover in January: 44
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in January
Mystic, 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).
