January weather forecast
Derby Line, VT

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Weather in January

January, the same as December, in Derby Line, Vermont, is another subzero cold winter month, with an average temperature ranging between min 8.2°F (-13.2°C) and max 21.6°F (-5.8°C).

Temperature

January stands out as Derby Line's coldest month, with an average high-temperature of 21.6°F (-5.8°C) and a low-temperature of 8.2°F (-13.2°C).

Humidity

The months with the highest humidity in Derby Line are January and February, with an average relative humidity of 91%.

Rainfall

In January, the rain falls for 5.1 days. Throughout January, 2.52" (64mm) of precipitation is accumulated. Throughout the year, there are 166.1 rainfall days, and 33.07" (840mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In January, it is snowing for 24 days. Throughout January, 13.9" (353mm) of snow is accumulated. Throughout the year, in Derby Line, there are 115.7 snowfall days, and 66.57" (1691mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 14min.
On the first day of January, sunrise is at 7:26 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 4:54 pm EST.

Sunshine

In January, the average sunshine is 2.1h.

UV index

January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Derby Line. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index, 1 during January, leads to the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What month is the coldest in Derby Line?

In Derby Line, January is the month with the lowest recorded average temperatures, measuring a high of 21.6°F (-5.8°C) and a low of 8.2°F (-13.2°C).

How cold is January in Derby Line?

The high-temperature in Derby Line, Vermont, during January is 21.6°F (-5.8°C) and the low-temperature is 8.2°F (-13.2°C).

What are the most humid months in Derby Line?

The months with the highest humidity are January and February, with an average relative humidity of 91%.

What is the average humidity in January in Derby Line?

In Derby Line, the average relative humidity in January is 91%.

How many days does it rain in January in Derby Line?

In Derby Line, in January, it is raining for 5.1 days, with typically 2.52" (64mm) of accumulated precipitation.

How many days does it snow in January in Derby Line?

In Derby Line, during January, snow falls for 24 days and regularly aggregates up to 13.9" (353mm) of snow.

How many hours of daylight does Derby Line have in January?

In January, the average day length in Derby Line, Vermont, is 9h and 14min.

What time are sunrise and sunset in January in Derby Line?

On the first day of January, sunrise is at 7:26 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 4:54 pm EST.

How many hours of sunshine does Derby Line have in January?

In January, the average sunshine duration in Derby Line is 2.1h.

When is the lowest UV index in Derby Line?

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

What is the UV index intensity in January in Derby Line?

In January, the average daily maximum UV index in Derby Line, Vermont, is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
27°F -2.8°C
21.6°F -5.8°C
24.3°F -4.3°C
Average low temperature
16.9°F -8.4°C
8.2°F -13.2°C
9.7°F -12.4°C
Average pressure
30.04" 763mmHg
30.01" 762mmHg
30" 762mmHg
Average wind speed
6.8mph 10.9km/h
7.1mph 11.4km/h
7mph 11.3km/h
Average max. wind speed
7.3mph 11.7km/h
7.6mph 12.2km/h
7.6mph 12.2km/h
Average wind speed gusts
10.5mph 16.9km/h
11mph 17.7km/h
10.9mph 17.5km/h
Average humidity
88%
91%
91%
Average rainfall
2.64" 67mm
2.52" 64mm
2.28" 58mm
Average rainfall days
9.7
5.1
5.8
Average snowfall
10.51" 267mm
13.9" 353mm
14.53" 369mm
Average snowfall days
22.4
24
23.5
Average daylight
8h 5min
9h 1min
10h 2min
Average sunshine
2h 4min
2h 1min
2h 0min
Average sunshine days
5.6
5.7
4.3
Average UV index
1
1
1
Average cloud cover
74%
80%
81%
Average visibility
4mi 6.4km
4mi 6.4km
4mi 6.4km

Average temperature in January
Derby Line, VT

Average temperature in January - Derby Line, VT
  • Average high temperature in January: 21.6°F

The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (21.6°F).

  • Average low temperature in January: 8.2°F

The month with the highest average low temperature is July (55°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).

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Average pressure in January
Derby Line, VT

Average pressure in January - Derby Line, 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 (29.9"Hg).

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Average wind speed in January
Derby Line, VT

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

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

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Average humidity in January
Derby Line, VT

Average humidity in January - Derby Line, VT
  • Average humidity in January: 91%

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (77%).

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Average rainfall in January
Derby Line, VT

Average rainfall in January - Derby Line, VT
  • Average rainfall in January: 2.52"

The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is February (2.28").

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Average rainfall days in January
Derby Line, VT

Average rainfall days in January - Derby Line, VT
  • Average rainfall days in January: 5.1 days

The month with the highest number of rainy days is June (20.1 days).
The month with the least rainy days is January (5.1 days).

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Average snowfall in January
Derby Line, VT

Average snowfall in January - Derby Line, VT
  • Average snowfall in January: 13.9"

The month with the highest snowfall is February (14.53").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Derby Line, VT

Average snowfall days in January - Derby Line, VT
  • Average snowfall days in January: 24 days

The month with the highest number of snowfall days is January (24 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
Derby Line, VT

Average daylight in January / Average sunshine in January - Derby Line, VT
  • Average daylight in January: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in January: 2h and 1min

The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 2h and 0min).

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Average sunshine days in January
Derby Line, VT

Average sunshine days in January - Derby Line, VT
  • Average sunshine days in January: 5.7 days

The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (4.3 days).

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Average UV index in January
Derby Line, VT

Average UV index in January - Derby Line, 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
Derby Line, VT

Average cloud cover in January - Derby Line, VT
  • Average cloud cover in January: 80

The month with the most cloud cover is February (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 40).

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Average visibility in January
Derby Line, VT

Average visibility in January - Derby Line, 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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Derby Line, Vermont, USA

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