January weather forecast
Colebrook, NH

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Weather in January

The initial month of the year in Colebrook, New Hampshire exhibits a thoroughly wintry pattern. Aptly characterized by frequent snowfall with up to 12.4" (315mm) and 21 snowy days on record, January is the epitome of a frosty New England winter. The dominance of overcast skies bears testament to the season, with 80% of the month cloud-covered. The chilly mood is further enhanced by frequent bouts of high humidity, averaging 91%. As January’s grip loosens, the anticipation of a slightly milder yet still frosty February lingers.

Temperature

January is the month when Colebrook sees the lowest average temperatures, with a high of 21°F (-6.1°C) and a low of 7.3°F (-13.7°C).

Humidity

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

Rainfall

In Colebrook, in January, it is raining for 4.4 days, with typically 2.24" (57mm) of accumulated precipitation. Throughout the year, there are 154.3 rainfall days, and 30.87" (784mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. The month with the most snowfall in Colebrook is January, when snow falls for 21 days and typically aggregates up to 12.4" (315mm) of snow.

Daylight

In Colebrook, the average length of the day in January is 9h and 15min.
On the first day of the month, sunrise is at 7:23 am and sunset at 4:15 pm. On the last day of January, in Colebrook, sunrise is at 7:06 am and sunset at 4:51 pm EST.

Sunshine

The months with the least sunshine in Colebrook are January and February, with an average of 2.1h of sunshine.

UV index

January through March and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In January, a regular UV index of 1 translates into these guidelines:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Frequently asked questions

What is the coldest time of year in Colebrook?

January, known for its average high temperature of 21°F (-6.1°C) and an average low temperature of 7.3°F (-13.7°C), is the coldest month in Colebrook, New Hampshire.

How cold is it in Colebrook in January?

In January, the average high-temperature and low-temperature in Colebrook are 21°F (-6.1°C) and 7.3°F (-13.7°C) respectively.

What are the most humid months in Colebrook?

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 Colebrook?

The average relative humidity in January is 91%.

How many days does it rain in January in Colebrook?

In Colebrook, New Hampshire, during January, the rain falls for 4.4 days and regularly aggregates up to 2.24" (57mm) of precipitation.

When does it snow the most in Colebrook?

The month with the most snowfall in Colebrook is January, when snow falls for 21 days and typically aggregates up to 12.4" (315mm) of snow.

How much does it snow in Colebrook in January?

In January, in Colebrook, it is snowing for 21 days. Throughout January, 12.4" (315mm) of snow is accumulated.

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

In Colebrook, the average day length in January is 9h and 15min.

What time are sunrise and sunset in January in Colebrook?

On the first day of January in Colebrook, New Hampshire, sunrise is at 7:23 am and sunset at 4:15 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 4:51 pm EST.

What are the months with the least sunshine in Colebrook?

The months with the least sunshine are January and February, with an average of 2.1h of sunshine.

How many hours of sunshine does Colebrook have in January?

The average sunshine duration in January in Colebrook, New Hampshire, is 2.1h.

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

January through March and December, with an average maximum UV index of 1, are months with the lowest UV index in Colebrook, New Hampshire.

What is the UV index reading in January in Colebrook?

In Colebrook, the average daily maximum UV index in January is 1. A UV Index estimate of 2, and below, represents a low health threat from exposure to Sun's UV rays.
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
Colebrook, NH

Average temperature in January - Colebrook, NH
  • Average high temperature in January: 21°F

The warmest month (with the highest average high temperature) is July (74.5°F).
The month with the lowest average high temperature is January (21°F).

  • Average low temperature in January: 7.3°F

The month with the highest average low temperature is July (53.4°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).

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Average pressure in January
Colebrook, NH

Average pressure in January - Colebrook, NH
  • Average pressure in January: 30"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
Colebrook, NH

Average wind speed in January - Colebrook, NH
  • Average wind speed in January: 7.1mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in January
Colebrook, NH

Average humidity in January - Colebrook, NH
  • 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
Colebrook, NH

Average rainfall in January - Colebrook, NH
  • Average rainfall in January: 2.24"

The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is February (2.01").

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Average rainfall days in January
Colebrook, NH

Average rainfall days in January - Colebrook, NH
  • Average rainfall days in January: 4.4 days

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is February (4.1 days).

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Average snowfall in January
Colebrook, NH

Average snowfall in January - Colebrook, NH
  • Average snowfall in January: 12.4"

The month with the highest snowfall is January (12.4").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Colebrook, NH

Average snowfall days in January - Colebrook, NH
  • Average snowfall days in January: 21 days

The month with the highest number of snowfall days is February (21.3 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
Colebrook, NH

Average daylight in January / Average sunshine in January - Colebrook, NH
  • 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 1min

The month with the most sunshine is July (Average sunshine: 9h and 24min).
The months with the least sunshine are January and February (Average sunshine: 2h and 6min).

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Average sunshine days in January
Colebrook, NH

Average sunshine days in January - Colebrook, NH
  • Average sunshine days in January: 9.2 days

The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (6.2 days).

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Average UV index in January
Colebrook, NH

Average UV index in January - Colebrook, NH
  • 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, March and December (UV index 1).

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Average cloud cover in January
Colebrook, NH

Average cloud cover in January - Colebrook, NH
  • 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 43).

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Average visibility in January
Colebrook, NH

Average visibility in January - Colebrook, NH
  • Average visibility in January: 4mi

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

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Colebrook, New Hampshire, USA

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