January weather forecast
Marlborough, NH

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Weather in January

January, the same as December, in Marlborough, New Hampshire, is another subzero cold winter month, with an average temperature varying between 27.9°F (-2.3°C) and 15.1°F (-9.4°C).

Temperature

January, noted for its average high-temperature of 27.9°F (-2.3°C) and an average low-temperature of 15.1°F (-9.4°C), is considered the coldest month.

Humidity

The average relative humidity in January in Marlborough is 84%.

Rainfall

In Marlborough, during January, the rain falls for 6.3 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, there are 125.1 rainfall days, and 11.69" (297mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Marlborough, New Hampshire, are January through May, October through December. January is the month with the most snowfall in Marlborough. Snow falls for 9.2 days and accumulates 2.64" (67mm) of snow.

Daylight

In Marlborough, the average length of the day in January is 9h and 27min.
On the first day of January in Marlborough, New Hampshire, sunrise is at 7:19 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 4:59 pm EST.

Sunshine

In Marlborough, the average sunshine in January is 4.9h.

UV index

The months with the lowest UV index in Marlborough are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In January, the maximum UV index of 2 transforms into these recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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Frequently asked questions

What is the coldest month in Marlborough?

In Marlborough, the lowest temperatures are generally noted in January, averaging a high of 27.9°F (-2.3°C) and a low of 15.1°F (-9.4°C).

How cold is January in Marlborough?

January temperatures in Marlborough, New Hampshire, vary between a high-temperature of 27.9°F (-2.3°C) and a low-temperature of 15.1°F (-9.4°C).

What is the average humidity in January in Marlborough?

In Marlborough, New Hampshire, the average relative humidity in January is 84%.

How many days does it rain in January in Marlborough?

In Marlborough, during January, the rain falls for 6.3 days and regularly aggregates up to 0.83" (21mm) of precipitation.

What is the snowiest month in Marlborough?

The month with the most snowfall is January, when snow falls for 9.2 days and typically aggregates up to 2.64" (67mm) of snow.

How many days does it snow in January in Marlborough?

In January, in Marlborough, it is snowing for 9.2 days. Throughout January, 2.64" (67mm) of snow is accumulated.

How many hours of daylight does Marlborough have in January?

In Marlborough, New Hampshire, the average day length in January is 9h and 27min.

When is the sunrise / sunset in January in Marlborough?

In January, on the first day of the month, sunrise is at 7:19 am and sunset at 4:24 pm. On the last day of the month, in Marlborough, New Hampshire, sunrise is at 7:04 am and sunset at 4:59 pm EST.

How many hours of sunshine does Marlborough have in January?

In Marlborough, the average sunshine duration in January is 4.9h.

When is the lowest UV index in Marlborough?

The months with the lowest UV index in Marlborough are January through March, October through December, with an average maximum UV index of 2.

What is the UV index intensity in January in Marlborough?

The average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Marlborough, NH

Average temperature in January - Marlborough, NH
  • Average high temperature in January: 27.9°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in January: 15.1°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

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Average pressure in January
Marlborough, NH

Average pressure in January - Marlborough, NH
  • Average pressure in January: 30.02"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
Marlborough, NH

Average wind speed in January - Marlborough, NH
  • Average wind speed in January: 7.9mph

The windiest months (with the highest average wind speed) are January, February and March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in January
Marlborough, NH

Average humidity in January - Marlborough, NH
  • Average humidity in January: 84%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).

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Average rainfall in January
Marlborough, NH

Average rainfall in January - Marlborough, NH
  • Average rainfall in January: 0.83"

The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is March (0.75").

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Average rainfall days in January
Marlborough, NH

Average rainfall days in January - Marlborough, NH
  • Average rainfall days in January: 6.3 days

The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in January
Marlborough, NH

Average snowfall in January - Marlborough, NH
  • Average snowfall in January: 2.64"

The month with the highest snowfall is January (2.64").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Marlborough, NH

Average snowfall days in January - Marlborough, NH
  • Average snowfall days in January: 9.2 days

The month with the highest number of snowfall days is February (9.4 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
Marlborough, NH

Average daylight in January / Average sunshine in January - Marlborough, NH
  • 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 6min).

  • Average sunshine in January: 4h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

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Average sunshine days in January
Marlborough, NH

Average sunshine days in January - Marlborough, NH
  • Average sunshine days in January: 19.6 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (13.8 days).

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Average UV index in January
Marlborough, NH

Average UV index in January - Marlborough, NH
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in January
Marlborough, NH

Average cloud cover in January - Marlborough, NH
  • Average cloud cover in January: 47

The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in January
Marlborough, NH

Average visibility in January - Marlborough, NH
  • Average visibility in January: 5mi

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).

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Marlborough, New Hampshire, USA

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