January weather forecast
Williston, VT

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Weather in January

January in Williston, Vermont exhibits a quiet weather distinction characterized by relatively cold conditions. The peak temperature averages hover around 24.3°F (-4.3°C), providing an opportunity to indulge in winter activities. As the month continues, there is an expectation of increased snowfall as we transition out of the holiday season. Due to the prevalent winter ambiance, it is advisable to have warm attire. Visibility may be reduced at times, requiring attentive navigation while commuting.

Temperature

January, marked by an average high-temperature of 24.3°F (-4.3°C) and a low-temperature of 12°F (-11.1°C), is the coldest month.

Humidity

January and February, with an average relative humidity of 87%, are the most humid months.

Rainfall

In Williston, in January, it is raining for 7.5 days, with typically 2.24" (57mm) of accumulated precipitation. Throughout the year, there are 161.7 rainfall days, and 29.33" (745mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Williston, in January, snow falls for 20.7 days, with typically accumulated 10.98" (279mm) of snow. Throughout the year, there are 94.7 snowfall days, and 50.91" (1293mm) of snow is accumulated.

Daylight

In Williston, Vermont, the average length of the day in January is 9h and 18min.
On the first day of the month, sunrise is at 7:28 am and sunset at 4:23 pm. On the last day of January, in Williston, sunrise is at 7:12 am and sunset at 4:59 pm EST.

Sunshine

The average sunshine in January is 2.9h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In January, a daily UV index of 1 turns into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Feb 14, 2024 | Published by: Weather Atlas | Resources

Frequently asked questions

What month is the coldest in Williston?

January proves to be the coldest month, recording an average maximum temperature of 24.3°F (-4.3°C) and a minimum temperature of 12°F (-11.1°C).

How cold is January in Williston?

The high-temperature in Williston, Vermont, during January is 24.3°F (-4.3°C) and the low-temperature is 12°F (-11.1°C).

What are the most humid months in Williston?

January and February, with an average relative humidity of 87%, are most humid months in Williston, Vermont.

What is the average humidity in January in Williston?

In January, the average relative humidity in Williston, Vermont, is 87%.

How much does it rain in Williston in January?

In January, the rain falls for 7.5 days. Throughout January, 2.24" (57mm) of precipitation is accumulated.

How much does it snow in Williston in January?

In Williston, Vermont, during January, snow falls for 20.7 days and regularly aggregates up to 10.98" (279mm) of snow.

How many hours of daylight does Williston have in January?

In January, the average day length in Williston, Vermont, is 9h and 18min.

When is the sunrise / sunset in January in Williston?

In January, on the first day of the month, sunrise is at 7:28 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.

How many hours of sunshine does Williston have in January?

In Williston, the average sunshine duration in January is 2.9h.

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

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

How high is the UV index in January in Williston?

In Williston, Vermont, the average daily maximum UV index in January is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Williston, VT

Average temperature in January - Williston, VT
  • Average high temperature in January: 24.3°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in January: 12°F

The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (12°F).

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Average pressure in January
Williston, VT

Average pressure in January - Williston, 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).

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Average wind speed in January
Williston, VT

Average wind speed in January - Williston, VT
  • Average wind speed in January: 7.1mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in January
Williston, VT

Average humidity in January - Williston, VT
  • Average humidity in January: 87%

The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and May (76%).

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Average rainfall in January
Williston, VT

Average rainfall in January - Williston, VT
  • Average rainfall in January: 2.24"

The wettest month (with the highest rainfall) is June (3.19").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in January
Williston, VT

Average rainfall days in January - Williston, VT
  • Average rainfall days in January: 7.5 days

The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (6.2 days).

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Average snowfall in January
Williston, VT

Average snowfall in January - Williston, VT
  • Average snowfall in January: 10.98"

The month with the highest snowfall is February (11.73").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Williston, VT

Average snowfall days in January - Williston, VT
  • Average snowfall days in January: 20.7 days

The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Williston, 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: 2h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).

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Average sunshine days in January
Williston, VT

Average sunshine days in January - Williston, VT
  • Average sunshine days in January: 7.7 days

The month with the most sunshine days is September (15.9 days).
The month with the least sunshine days is February (6.8 days).

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Average UV index in January
Williston, VT

Average UV index in January - Williston, 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).

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Average cloud cover in January
Williston, VT

Average cloud cover in January - Williston, VT
  • Average cloud cover in January: 71

The month with the most cloud cover is February (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 35).

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Average visibility in January
Williston, VT

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

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

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Williston, Vermont, USA

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