January weather forecast
Lancaster, NH

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Weather in January

January brings the coldest weather to Lancaster, New Hampshire with the lowest average temperatures of the year. With the thermometer fluctuating between 9°F (-12.8°C) and 22.5°F (-5.3°C), residents bundle up in their warmest clothes. This chilly month also sees the highest average snowfall of 13.23" (336mm), resulting in a winter wonderland. The wintry conditions are intensified by a high relative humidity of 90% and wind speeds averaging 6.1mph (9.8km/h). Despite the predominance of cold weather, there are few clear days with just 2.6 hours of sunshine daily, making for a gloomy start to the year.

Temperature

Lancaster witnesses the coldest weather in January, with temperatures averaging a high of 22.5°F (-5.3°C) and a low of 9°F (-12.8°C).

Humidity

January is the most humid month in Lancaster, with an average relative humidity of 90%.

Rainfall

In Lancaster, during January, the rain falls for 5.7 days and regularly aggregates up to 2.36" (60mm) of precipitation. In Lancaster, during the entire year, the rain falls for 150.5 days and collects up to 27.99" (711mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In January, it is snowing for 21.4 days. Throughout January, 13.23" (336mm) of snow is accumulated. Throughout the year, in Lancaster, there are 104.2 snowfall days, and 61.02" (1550mm) of snow is accumulated.

Daylight

The average length of the day in January in Lancaster is 9h and 17min.
On the first day of January, sunrise is at 7:22 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 4:53 pm EST.

Sunshine

The months with the least sunshine in Lancaster are January and February, with an average of 2.6h of sunshine.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 1 during January leads to these advisories:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Frequently asked questions

What are the coldest months in Lancaster?

In Lancaster, the average lowest temperatures are observed in January, with a high of 22.5°F (-5.3°C) and a low of 9°F (-12.8°C).

How cold is January in Lancaster?

The high-temperature, in January, in Lancaster, records 22.5°F (-5.3°C), while the low-temperature is 9°F (-12.8°C).

What is the most humid month in Lancaster?

The most humid month in Lancaster is January, with an average relative humidity of 90%.

What is the average humidity in January in Lancaster?

In Lancaster, New Hampshire, the average relative humidity in January is 90%.

How much does it rain in Lancaster in January?

In Lancaster, New Hampshire, in January, during 5.7 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

How many days does it snow in January in Lancaster?

In Lancaster, New Hampshire, in January, snow falls for 21.4 days, with typically accumulated 13.23" (336mm) of snow.

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

The average day length in January in Lancaster is 9h and 17min.

What time are sunrise and sunset in January in Lancaster?

On the first day of January in Lancaster, New Hampshire, sunrise is at 7:22 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 4:53 pm EST.

What is the month with the least sunshine in Lancaster?

January and February, with an average of 2.6h of sunshine, are months with the least sunshine.

How many hours of sunshine does Lancaster have in January?

In January, the average sunshine duration is 2.6h.

When is the lowest UV index in Lancaster?

The months with the lowest UV index in Lancaster, New Hampshire, are January, February and December, with an average maximum UV index of 1.

What is the UV index intensity in January in Lancaster?

In January, the average daily maximum UV index in Lancaster, New Hampshire, is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Lancaster, NH

Average temperature in January - Lancaster, NH
  • Average high temperature in January: 22.5°F

The warmest month (with the highest average high temperature) is July (75.6°F).
The month with the lowest average high temperature is January (22.5°F).

  • Average low temperature in January: 9°F

The month with the highest average low temperature is July (53.2°F).
The coldest month (with the lowest average low temperature) is January (9°F).

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Average pressure in January
Lancaster, NH

Average pressure in January - Lancaster, 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 (29.91"Hg).

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Average wind speed in January
Lancaster, NH

Average wind speed in January - Lancaster, NH
  • Average wind speed in January: 6.1mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in January
Lancaster, NH

Average humidity in January - Lancaster, NH
  • Average humidity in January: 90%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is May (76%).

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Average rainfall in January
Lancaster, NH

Average rainfall in January - Lancaster, NH
  • Average rainfall in January: 2.36"

The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is August (1.97").

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Average rainfall days in January
Lancaster, NH

Average rainfall days in January - Lancaster, NH
  • Average rainfall days in January: 5.7 days

The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (5 days).

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Average snowfall in January
Lancaster, NH

Average snowfall in January - Lancaster, NH
  • Average snowfall in January: 13.23"

The month with the highest snowfall is February (13.43").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Lancaster, NH

Average snowfall days in January - Lancaster, NH
  • Average snowfall days in January: 21.4 days

The month with the highest number of snowfall days is January (21.4 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
Lancaster, NH

Average daylight in January / Average sunshine in January - Lancaster, 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 4min

The month with the most sunshine is August (Average sunshine: 9h and 30min).
The months with the least sunshine are January and February (Average sunshine: 2h and 36min).

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Average sunshine days in January
Lancaster, NH

Average sunshine days in January - Lancaster, NH
  • Average sunshine days in January: 8.2 days

The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is February (6.3 days).

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Average UV index in January
Lancaster, NH

Average UV index in January - Lancaster, 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 and December (UV index 1).

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Average cloud cover in January
Lancaster, NH

Average cloud cover in January - Lancaster, NH
  • Average cloud cover in January: 75

The month with the most cloud cover is February (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 42).

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Average visibility in January
Lancaster, NH

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

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

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Lancaster, New Hampshire, USA

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