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
Temperature records mark January as the coldest month, with highs averaging 35.4°F (1.9°C) and lows at 24.8°F (-4°C).Humidity
In January, the average relative humidity is 75%.Rainfall
In Old Mystic, in January, it is raining for 10 days, with typically 2.64" (67mm) of accumulated precipitation. In Old Mystic, during the entire year, the rain falls for 162.1 days and collects up to 33.66" (855mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Old Mystic, in January, during 7 snowfall days, 2.2" (56mm) of snow is typically accumulated. Throughout the year, there are 26.7 snowfall days, and 9.72" (247mm) of snow is accumulated.Daylight
In Old Mystic, Connecticut, the average length of the day in January is 9h and 35min.On the first day of the month, sunrise is at 7:13 am and sunset at 4:28 pm. On the last day of January, sunrise is at 7:00 am and sunset at 5:02 pm EST.
Sunshine
The average sunshine in January is 5.1h.UV index
The months with the lowest UV index in Old Mystic are January through March, November 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 radiation for the ordinary person.Note: A maximum UV index of 2 in January translates into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Old Mystic?
How cold is it in January?
What is the average humidity in January?
How much does it rain in Old Mystic 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?
How many hours of sunshine does Old Mystic have in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Old Mystic, CT
- Average high temperature in January: 35.4°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in January: 24.8°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in January
Old 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
Old Mystic, CT
- Average wind speed in January: 10.6mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in January
Old Mystic, CT
- Average humidity in January: 75%
The months with the highest relative humidity are June and July (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in January
Old Mystic, CT
- Average rainfall in January: 2.64"
The wettest month (with the highest rainfall) is December (3.78").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in January
Old Mystic, CT
- Average rainfall days in January: 10 days
The month with the highest number of rainy days is June (16.6 days).
The month with the least rainy days is January (10 days).
Average snowfall in January
Old Mystic, CT
- Average snowfall in January: 2.2"
The month with the highest snowfall is March (2.56").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Old Mystic, CT
- Average snowfall days in January: 7 days
The month with the highest number of snowfall days is January (7 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
Old Mystic, CT
- 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 12min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in January
Old Mystic, CT
- Average sunshine days in January: 16.5 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in January
Old 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, November and December (UV index 2).
Average cloud cover in January
Old Mystic, CT
- Average cloud cover in January: 45
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Old 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).
Old Mystic, Connecticut, USA
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