January weather forecast
Saint Johnsbury, VT

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The fall beauty has descended upon the small village near St. Johnsbury, Vermont
The fall beauty has descended upon the small village near St. Johnsbury, Vermont

Weather in January

January in Saint Johnsbury, Vermont, witnesses severe winter conditions, characterized by a chill in the air. A snow-draped landscape is a common sight, considering it experiences considerable snowfall. It is a time when bundling up in warm clothes becomes a necessity, given the low temperatures. The month experiences the longest stretch of snowfall days at 20.5, with accumulated snowfall reaching 12.44" (316mm). As it sits in the middle of winter, January witnesses shorter daylight hours, which limits outdoor activities.

Temperature

Saint Johnsbury's coldest temperatures are experienced in January, with average high temperatures of 22.8°F (-5.1°C) and lows of 9.7°F (-12.4°C).

Humidity

January and February, with an average relative humidity of 89%, are the most humid months in Saint Johnsbury.

Rainfall

In Saint Johnsbury, in January, during 6.1 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. Throughout the year, there are 157.2 rainfall days, and 28.35" (720mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Saint Johnsbury are January through May, October through December. The month with the most snowfall in Saint Johnsbury is January, when snow falls for 20.5 days and typically aggregates up to 12.44" (316mm) of snow.

Daylight

The average length of the day in January in Saint Johnsbury, Vermont, is 9h and 18min.
On the first day of the month, sunrise is at 7:24 am and sunset at 4:18 pm. On the last day of January, sunrise is at 7:07 am and sunset at 4:55 pm EST.

Sunshine

In Saint Johnsbury, Vermont, the average sunshine in January is 2.9h.

UV index

January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 1 during January translates into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Frequently asked questions

What part of the year is the coldest in Saint Johnsbury?

January is the coldest month of the year in Saint Johnsbury, registering average temperatures as high as 22.8°F (-5.1°C) and as low as 9.7°F (-12.4°C).

How cold is January in Saint Johnsbury?

In Saint Johnsbury, in January, the average high-temperature is 22.8°F (-5.1°C), and the average low-temperature is 9.7°F (-12.4°C).

What is the most humid month in Saint Johnsbury?

January and February, with an average relative humidity of 89%, are most humid months in Saint Johnsbury.

What is the average humidity in January in Saint Johnsbury?

In Saint Johnsbury, Vermont, the average relative humidity in January is 89%.

How many days does it rain in January in Saint Johnsbury?

In Saint Johnsbury, in January, it is raining for 6.1 days, with typically 2.32" (59mm) of accumulated precipitation.

What is the snowiest month in Saint Johnsbury?

The month with the most snowfall in Saint Johnsbury is January, when snow falls for 20.5 days and typically aggregates up to 12.44" (316mm) of snow.

How much does it snow in Saint Johnsbury in January?

In January, it is snowing for 20.5 days. Throughout January, 12.44" (316mm) of snow is accumulated.

How many hours of daylight does Saint Johnsbury have in January?

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

What time are sunrise and sunset in January in Saint Johnsbury?

In January, on the first day of the month, sunrise is at 7:24 am and sunset at 4:18 pm. On the last day of the month, in Saint Johnsbury, sunrise is at 7:07 am and sunset at 4:55 pm EST.

How long on average sun shines in January in Saint Johnsbury?

The average sunshine duration in January in Saint Johnsbury, Vermont, is 2.9h.

What are the months with the lowest UV index in Saint Johnsbury?

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

What is the UV index reading in January in Saint Johnsbury?

In Saint Johnsbury, the average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Saint Johnsbury, VT

Average temperature in January - Saint Johnsbury, VT
  • Average high temperature in January: 22.8°F

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (22.8°F).

  • Average low temperature in January: 9.7°F

The month with the highest average low temperature is July (54.5°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).

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Average pressure in January
Saint Johnsbury, VT

Average pressure in January - Saint Johnsbury, VT
  • Average pressure in January: 30.01"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in January
Saint Johnsbury, VT

Average wind speed in January - Saint Johnsbury, VT
  • Average wind speed in January: 6.3mph

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in January
Saint Johnsbury, VT

Average humidity in January - Saint Johnsbury, VT
  • Average humidity in January: 89%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (76%).

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Average rainfall in January
Saint Johnsbury, VT

Average rainfall in January - Saint Johnsbury, VT
  • Average rainfall in January: 2.32"

The wettest months (with the highest rainfall) are June and October (2.87").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in January
Saint Johnsbury, VT

Average rainfall days in January - Saint Johnsbury, VT
  • Average rainfall days in January: 6.1 days

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is January (6.1 days).

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Average snowfall in January
Saint Johnsbury, VT

Average snowfall in January - Saint Johnsbury, VT
  • Average snowfall in January: 12.44"

The month with the highest snowfall is January (12.44").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Saint Johnsbury, VT

Average snowfall days in January - Saint Johnsbury, VT
  • Average snowfall days in January: 20.5 days

The month with the highest number of snowfall days is February (20.8 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
Saint Johnsbury, VT

Average daylight in January / Average sunshine in January - Saint Johnsbury, 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 months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).

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Average sunshine days in January
Saint Johnsbury, VT

Average sunshine days in January - Saint Johnsbury, VT
  • Average sunshine days in January: 8.3 days

The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (6.6 days).

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Average UV index in January
Saint Johnsbury, VT

Average UV index in January - Saint Johnsbury, VT
  • Average UV index in January: 1

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

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Average cloud cover in January
Saint Johnsbury, VT

Average cloud cover in January - Saint Johnsbury, VT
  • Average cloud cover in January: 71

The month with the most cloud cover is February (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 39).

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Average visibility in January
Saint Johnsbury, VT

Average visibility in January - Saint Johnsbury, VT
  • Average visibility in January: 4mi

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

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Saint Johnsbury, Vermont, USA

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