January weather forecast
Winooski, VT

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Weather in January

January in Winooski, Vermont, is often cloudy with temperatures somewhat chillier than in other months, producing an average high of 24.6°F (-4.1°C). Snowfall is quite frequent, giving the city a quiet, wintery wonderland feel. Despite the lower temperatures, some residents take this opportunity to partake in winter sports. Interestingly, this month deviates from the general rule of high precipitation alongside high humidity. As temperatures rise towards February, citizens tend to enjoy winter activities less.

Temperature

During the coldest month, January, temperatures average a high of 24.6°F (-4.1°C) and a low of 12.4°F (-10.9°C).

Humidity

In January, the average relative humidity is 86%.

Rainfall

In Winooski, in January, it is raining for 7.4 days, with typically 1.06" (27mm) of accumulated precipitation. In Winooski, during the entire year, the rain falls for 153.4 days and collects up to 17.01" (432mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. January is the month with the most snowfall in Winooski. Snow falls for 19.8 days and accumulates 5.16" (131mm) of snow.

Daylight

In Winooski, the average length of the day in January is 9h and 17min.
On the first day of the month, sunrise is at 7:29 am and sunset at 4:23 pm. On the last day of January, sunrise is at 7:12 am and sunset at 4:59 pm EST.

Sunshine

The months with the least sunshine are January and February, with an average of 3h of sunshine.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Winooski. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 1 during January translates into the following directions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in Winooski?

Winooski's coldest month, January, generally records average temperatures ranging from a high of 24.6°F (-4.1°C) to a low of 12.4°F (-10.9°C).

How cold is it in Winooski in January?

The high-temperature in Winooski during January is 24.6°F (-4.1°C) and the low-temperature is 12.4°F (-10.9°C).

What is the average humidity in January in Winooski?

The average relative humidity in January is 86%.

How much does it rain in Winooski in January?

In Winooski, Vermont, in January, during 7.4 rainfall days, 1.06" (27mm) of precipitation is typically accumulated.

When does it snow the most in Winooski?

The month with the most snowfall in Winooski is January, when snow falls for 19.8 days and typically aggregates up to 5.16" (131mm) of snow.

How many days does it snow in January in Winooski?

In January, in Winooski, it is snowing for 19.8 days. Throughout January, 5.16" (131mm) of snow is accumulated.

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

The average day length in January in Winooski is 9h and 17min.

When are sunrise and sunset in January in Winooski?

On the first day of January in Winooski, Vermont, sunrise is at 7:29 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:59 pm EST.

What is the month with the least sunshine in Winooski?

The months with the least sunshine in Winooski are January and February, with an average of 3h of sunshine.

How long on average sun shines in January in Winooski?

In Winooski, Vermont, the average sunshine duration in January is 3h.

What is the month with the lowest UV index in Winooski?

The months with the lowest UV index in Winooski are January and December, with an average maximum UV index of 1.

What is the UV index reading in January in Winooski?

In January, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to 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
Winooski, VT

Average temperature in January - Winooski, VT
  • Average high temperature in January: 24.6°F

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (24.6°F).

  • Average low temperature in January: 12.4°F

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

Average pressure in January
Winooski, VT

Average pressure in January - Winooski, VT
  • Average pressure in January: 30.02"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in January
Winooski, VT

Average wind speed in January - Winooski, VT
  • Average wind speed in January: 7.2mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in January
Winooski, VT

Average humidity in January - Winooski, VT
  • Average humidity in January: 86%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (75%).

Average rainfall in January
Winooski, VT

Average rainfall in January - Winooski, VT
  • Average rainfall in January: 1.06"

The wettest month (with the highest rainfall) is June (2.09").
The driest month (with the least rainfall) is February (0.87").

Average rainfall days in January
Winooski, VT

Average rainfall days in January - Winooski, VT
  • Average rainfall days in January: 7.4 days

The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is January (7.4 days).

Average snowfall in January
Winooski, VT

Average snowfall in January - Winooski, VT
  • Average snowfall in January: 5.16"

The month with the highest snowfall is January (5.16").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Winooski, VT

Average snowfall days in January - Winooski, VT
  • Average snowfall days in January: 19.8 days

The months with the highest number of snowfall days are January and February (19.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Winooski, VT

Average daylight in January / Average sunshine in January - Winooski, VT
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in January: 3h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 0min).

Average sunshine days in January
Winooski, VT

Average sunshine days in January - Winooski, VT
  • Average sunshine days in January: 9.3 days

The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is February (7.3 days).

Average UV index in January
Winooski, VT

Average UV index in January - Winooski, VT
  • Average UV index in January: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in January
Winooski, VT

Average cloud cover in January - Winooski, VT
  • Average cloud cover in January: 69

The month with the most cloud cover is February (Cloud cover 70).
The months with the least cloud cover are July, August and September (Cloud cover 35).

Average visibility in January
Winooski, VT

Average visibility in January - Winooski, VT
  • Average visibility in January: 4mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).

Winooski, Vermont, USA

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