January weather forecast
Londonderry, VT

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Weather in January

January, like December, is a freezing cold winter month in Londonderry, Vermont, with an average temperature varying between 12.9°F (-10.6°C) and 25.2°F (-3.8°C).

Temperature

January is the coldest month, with an average high-temperature of 25.2°F (-3.8°C) and an average low-temperature of 12.9°F (-10.6°C).

Humidity

In January, the average relative humidity in Londonderry is 86%.

Rainfall

In Londonderry, in January, it is raining for 7.3 days, with typically 0.94" (24mm) of accumulated precipitation. In Londonderry, during the entire year, the rain falls for 133 days and collects up to 12.95" (329mm) of precipitation.

Snowfall

Months with snowfall in Londonderry, Vermont, are January through May, October through December. In Londonderry, in January, during 14.3 snowfall days, 3.7" (94mm) of snow is typically accumulated. In Londonderry, Vermont, during the entire year, snow falls for 62.9 days and aggregates up to 18.11" (460mm) of snow.

Daylight

In January, the average length of the day in Londonderry is 9h and 25min.
On the first day of the month, sunrise is at 7:23 am and sunset at 4:26 pm. On the last day of January, in Londonderry, sunrise is at 7:07 am and sunset at 5:01 pm EST.

Sunshine

In January, the average sunshine in Londonderry is 3.9h.

UV index

In Londonderry, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: An average UV index of 2 in January transforms into this advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Around midday, solar radiation is most harmful; hence, exposure should be limited. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

What are the coldest months in Londonderry?

January is the coldest month in Londonderry, Vermont, with the temperature often reaching an average high of 25.2°F (-3.8°C) and an average low of 12.9°F (-10.6°C).

How cold is it in Londonderry in January?

During January, Londonderry experiences an average high-temperature of 25.2°F (-3.8°C) and a low-temperature of 12.9°F (-10.6°C).

What is the average humidity in January in Londonderry?

The average relative humidity in January in Londonderry, Vermont, is 86%.

How many days does it rain in January in Londonderry?

In January, in Londonderry, the rain falls for 7.3 days. Throughout January, 0.94" (24mm) of precipitation is accumulated.

How many days does it snow in January in Londonderry?

In Londonderry, in January, snow falls for 14.3 days, with typically accumulated 3.7" (94mm) of snow.

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

The average day length in January in Londonderry is 9h and 25min.

When are sunrise and sunset in January in Londonderry?

On the first day of January in Londonderry, Vermont, sunrise is at 7:23 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:01 pm EST.

How many hours of sunshine does Londonderry have in January?

In January, the average sunshine duration in Londonderry is 3.9h.

How high is the UV index in January in Londonderry?

In January, the average daily maximum UV index in Londonderry is 2. A UV Index value of 2, and less, symbolizes 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
Londonderry, VT

Average temperature in January - Londonderry, VT
  • Average high temperature in January: 25.2°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in January: 12.9°F

The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

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Average pressure in January
Londonderry, VT

Average pressure in January - Londonderry, VT
  • Average pressure in January: 30.03"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in January
Londonderry, VT

Average wind speed in January - Londonderry, VT
  • Average wind speed in January: 7.9mph

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in January
Londonderry, VT

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

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

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Average rainfall in January
Londonderry, VT

Average rainfall in January - Londonderry, VT
  • Average rainfall in January: 0.94"

The wettest months (with the highest rainfall) are April and October (1.26").
The driest month (with the least rainfall) is March (0.79").

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Average rainfall days in January
Londonderry, VT

Average rainfall days in January - Londonderry, VT
  • Average rainfall days in January: 7.3 days

The month with the highest number of rainy days is May (14.6 days).
The months with the least rainy days are January and February (7.3 days).

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Average snowfall in January
Londonderry, VT

Average snowfall in January - Londonderry, VT
  • Average snowfall in January: 3.7"

The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Londonderry, VT

Average snowfall days in January - Londonderry, VT
  • Average snowfall days in January: 14.3 days

The month with the highest number of snowfall days is January (14.3 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
Londonderry, VT

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in January: 3h and 5min

The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

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Average sunshine days in January
Londonderry, VT

Average sunshine days in January - Londonderry, VT
  • Average sunshine days in January: 15.5 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is February (11.7 days).

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Average UV index in January
Londonderry, VT

Average UV index in January - Londonderry, VT
  • Average UV index in January: 2

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

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Average cloud cover in January
Londonderry, VT

Average cloud cover in January - Londonderry, VT
  • Average cloud cover in January: 59

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 37).

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Average visibility in January
Londonderry, VT

Average visibility in January - Londonderry, VT
  • Average visibility in January: 5mi

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

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Londonderry, Vermont, USA

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