January weather forecast
Norwich, CT

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Weather in January

Connecticut's velvet winters roll out in full swing during January in Norwich. Trees disrobe their foliage welcoming a snowy mantle with snowfall peaking at 2.52" (64mm). Slight chills escalate as this month experiences lower temperatures compared to December. Flurries of snow and cold winds create picturesque landscapes, turning the city into a winter wonderland. The sun peeks out of the clouds barely for 5 hours making the days shorter and colder.

Temperature

January, characterized by an average high temperature of 34.9°F (1.6°C) and a low temperature of 23.4°F (-4.8°C), is generally the coldest month in Norwich.

Humidity

In January, the average relative humidity in Norwich is 75%.

Rainfall

In January, the rain falls for 9 days. Throughout January, 2.6" (66mm) of precipitation is accumulated. In Norwich, during the entire year, the rain falls for 156.4 days and collects up to 33.54" (852mm) of precipitation.

Snowfall

Months with snowfall in Norwich are January through May, November and December. In Norwich, in January, during 6.6 snowfall days, 2.52" (64mm) of snow is typically accumulated. In Norwich, during the entire year, snow falls for 26.4 days and aggregates up to 11.14" (283mm) of snow.

Daylight

In Norwich, the average length of the day in January is 9h and 35min.
On the first day of January, sunrise is at 7:14 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:02 pm EST.

Sunshine

In Norwich, Connecticut, the average sunshine in January is 5h.

UV index

The months with the lowest UV index 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 minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A daily high UV index of 2 in January leads to these guidelines:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Frequently asked questions

What time of the year is the coldest in Norwich?

The lowest temperatures are recorded in January, with averages reaching a high of 34.9°F (1.6°C) and a low of 23.4°F (-4.8°C).

How cold is it in Norwich in January?

The high-temperature, in January, in Norwich, is 34.9°F (1.6°C), while the low-temperature averages to 23.4°F (-4.8°C).

What is the average humidity in January in Norwich?

The average relative humidity in January in Norwich, Connecticut, is 75%.

How many days does it rain in January in Norwich?

In January, the rain falls for 9 days. Throughout January, 2.6" (66mm) of precipitation is accumulated.

How many days does it snow in January in Norwich?

In Norwich, Connecticut, during January, snow falls for 6.6 days and regularly aggregates up to 2.52" (64mm) of snow.

What is the average length of the day in January in Norwich?

In January, the average day length in Norwich, Connecticut, is 9h and 35min.

When are sunrise and sunset in January in Norwich?

On the first day of January, sunrise is at 7:14 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:02 pm EST.

How long on average sun shines in January in Norwich?

The average sunshine duration in January is 5h.

When is the lowest UV index in Norwich?

The months with the lowest UV index in Norwich, Connecticut, are January through March, November and December, with an average maximum UV index of 2.

What is the UV index intensity in January in Norwich?

The average daily maximum UV index in January in Norwich, Connecticut, is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
40.8°F 4.9°C
34.9°F 1.6°C
37.8°F 3.2°C
Average low temperature
29.8°F -1.2°C
23.4°F -4.8°C
24.1°F -4.4°C
Average pressure
30.05" 763mmHg
30.02" 763mmHg
30" 762mmHg
Average wind speed
8.9mph 14.3km/h
9.4mph 15.1km/h
9.2mph 14.8km/h
Average max. wind speed
9.6mph 15.4km/h
10.1mph 16.3km/h
9.8mph 15.8km/h
Average wind speed gusts
14.5mph 23.3km/h
15.1mph 24.3km/h
14.8mph 23.8km/h
Average humidity
76%
75%
78%
Average rainfall
3.7" 94mm
2.6" 66mm
2.48" 63mm
Average rainfall days
11.3
9
9.4
Average snowfall
1.73" 44mm
2.52" 64mm
2.8" 71mm
Average snowfall days
4.8
6.6
7.3
Average daylight
9h 1min
9h 4min
10h 4min
Average sunshine
4h 4min
5h 0min
4h 4min
Average sunshine days
15.9
16.7
13.2
Average UV index
2
2
2
Average cloud cover
49%
46%
49%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Norwich, CT

Average temperature in January - Norwich, CT
  • Average high temperature in January: 34.9°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (34.9°F).

  • Average low temperature in January: 23.4°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

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Average pressure in January
Norwich, CT

Average pressure in January - Norwich, 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).

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Average wind speed in January
Norwich, CT

Average wind speed in January - Norwich, CT
  • Average wind speed in January: 9.4mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

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Average humidity in January
Norwich, CT

Average humidity in January - Norwich, CT
  • Average humidity in January: 75%

The months with the highest relative humidity are February, June, July and September (78%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in January
Norwich, CT

Average rainfall in January - Norwich, CT
  • Average rainfall in January: 2.6"

The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.61").

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Average rainfall days in January
Norwich, CT

Average rainfall days in January - Norwich, CT
  • Average rainfall days in January: 9 days

The months with the highest number of rainy days are May and July (16.3 days).
The month with the least rainy days is January (9 days).

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Average snowfall in January
Norwich, CT

Average snowfall in January - Norwich, CT
  • Average snowfall in January: 2.52"

The month with the highest snowfall is March (3.43").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in January
Norwich, CT

Average snowfall days in January - Norwich, CT
  • Average snowfall days in January: 6.6 days

The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Norwich, CT

Average daylight in January / Average sunshine in January - Norwich, 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 0min

The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

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Average sunshine days in January
Norwich, CT

Average sunshine days in January - Norwich, CT
  • Average sunshine days in January: 16.7 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (11.6 days).

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Average UV index in January
Norwich, CT

Average UV index in January - Norwich, 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).

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Average cloud cover in January
Norwich, CT

Average cloud cover in January - Norwich, CT
  • Average cloud cover in January: 46

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in January
Norwich, CT

Average visibility in January - Norwich, CT
  • Average visibility in January: 6mi

The months with the highest visibility are January, February, March, April, September, October, November and December (6mi).
The months with the lowest visibility are May, June, July and August (5mi).

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Norwich, Connecticut, USA

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