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
The coldest period tends to be January, when average temperatures fluctuate between a high of 35.4°F (1.9°C) and a low of 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 in Old Mystic are January through May, November and December. In January, in Old Mystic, it is snowing for 7 days. Throughout January, 2.2" (56mm) of snow is accumulated. Throughout the year, in Old Mystic, Connecticut, 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 January in Old Mystic, Connecticut, 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
In January, the average sunshine in Old Mystic, Connecticut, 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. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 2 during January translates into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What is the coldest month in Old Mystic?
How cold is it in Old Mystic in January?
What is the average humidity in January in Old Mystic?
How many days does it rain in January in Old Mystic?
How many days does it snow in January in Old Mystic?
What is the average length of the day in January in Old Mystic?
When are sunrise and sunset in January in Old Mystic?
How many hours of sunshine does Old Mystic have in January?
When is the lowest UV index in Old Mystic?
What is the UV index reading in January in Old Mystic?
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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