January weather forecast
Wethersfield, CT

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Weather in January

Notably, January in Wethersfield, Connecticut, USA, presents the year's lowest average temperatures, dipping to 21.2°F (-6°C) and only rising to a high of 33.4°F (0.8°C). As the heart of winter, the month also has snowfall in the forecast, making the weather cold and crisp. Strikingly, this is the darkest month of the year with sunlight only peeking through for about 9.6 hours per day. The long nights combined with snowy conditions encourage settling in with blanket and hot beverage. However, the tail-end of the month heralds the gradual lengthening of daily sunlight hours, leading towards the warmer months.

Temperature

January, with average temperatures reaching a high of 33.4°F (0.8°C) and a low of 21.2°F (-6°C), is the coldest month in Wethersfield.

Humidity

In Wethersfield, the average relative humidity in January is 76%.

Rainfall

In January, in Wethersfield, the rain falls for 9.2 days. Throughout January, 2.2" (56mm) of precipitation is accumulated. Throughout the year, in Wethersfield, there are 164.5 rainfall days, and 32.09" (815mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall in Wethersfield. In January, in Wethersfield, it is snowing for 7.1 days. Throughout January, 2.87" (73mm) of snow is accumulated. In Wethersfield, during the entire year, snow falls for 29.1 days and aggregates up to 15.63" (397mm) of snow.

Daylight

The average length of the day in January in Wethersfield is 9h and 34min.
On the first day of the month, sunrise is at 7:17 am and sunset at 4:30 pm. On the last day of January, sunrise is at 7:03 am and sunset at 5:04 pm EST.

Sunshine

In Wethersfield, Connecticut, the average sunshine in January is 5.1h.

UV index

The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.
Note: In January, the maximum UV index of 2 suggests this advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month in Wethersfield?

The coldest time of the year is January, with temperatures averaging a high of 33.4°F (0.8°C) and a low of 21.2°F (-6°C).

How cold is it in Wethersfield in January?

The average high-temperature and low-temperature in Wethersfield during January are 33.4°F (0.8°C) and 21.2°F (-6°C) respectively.

What is the average humidity in January in Wethersfield?

The average relative humidity in January in Wethersfield, Connecticut, is 76%.

How many days does it rain in January in Wethersfield?

In January, in Wethersfield, Connecticut, the rain falls for 9.2 days. Throughout January, 2.2" (56mm) of precipitation is accumulated.

How many days does it snow in January in Wethersfield?

In Wethersfield, Connecticut, during January, snow falls for 7.1 days and regularly aggregates up to 2.87" (73mm) of snow.

How many hours of daylight does Wethersfield have in January?

In January, the average day length in Wethersfield, Connecticut, is 9h and 34min.

When is the sunrise / sunset in January in Wethersfield?

In January, on the first day of the month, sunrise is at 7:17 am and sunset at 4:30 pm. On the last day of the month, in Wethersfield, Connecticut, sunrise is at 7:03 am and sunset at 5:04 pm EST.

How many hours of sunshine does Wethersfield have in January?

In Wethersfield, the average sunshine duration in January is 5.1h.

What is the UV index intensity in January in Wethersfield?

In Wethersfield, Connecticut, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Wethersfield, CT

Average temperature in January - Wethersfield, CT
  • Average high temperature in January: 33.4°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in January: 21.2°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

Average pressure in January
Wethersfield, CT

Average pressure in January - Wethersfield, CT
  • Average pressure in January: 30.03"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
Wethersfield, CT

Average wind speed in January - Wethersfield, CT
  • Average wind speed in January: 8.1mph

The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in January
Wethersfield, CT

Average humidity in January - Wethersfield, CT
  • Average humidity in January: 76%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (70%).

Average rainfall in January
Wethersfield, CT

Average rainfall in January - Wethersfield, CT
  • Average rainfall in January: 2.2"

The wettest month (with the highest rainfall) is December (3.19").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in January
Wethersfield, CT

Average rainfall days in January - Wethersfield, CT
  • Average rainfall days in January: 9.2 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is January (9.2 days).

Average snowfall in January
Wethersfield, CT

Average snowfall in January - Wethersfield, CT
  • Average snowfall in January: 2.87"

The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in January
Wethersfield, CT

Average snowfall days in January - Wethersfield, CT
  • Average snowfall days in January: 7.1 days

The month with the highest number of snowfall days is February (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Wethersfield, CT
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in January: 5h and 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in January
Wethersfield, CT

Average sunshine days in January - Wethersfield, CT
  • Average sunshine days in January: 17.6 days

The month with the most sunshine days is January (17.6 days).
The month with the least sunshine days is June (10.7 days).

Average UV index in January
Wethersfield, CT

Average UV index in January - Wethersfield, CT
  • Average UV index in January: 2

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in January
Wethersfield, CT

Average cloud cover in January - Wethersfield, CT
  • Average cloud cover in January: 45

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in January
Wethersfield, CT

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

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

Wethersfield, Connecticut, USA

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