January weather forecast
Newmarket, NH

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Weather in January

Chilly temperatures, high humidity, and frequent snowfall all characterize Newmarket's January weather. This month stands as one of the coldest, with average high and low temperatures of 31.5°F (-0.3°C) and 19.8°F (-6.8°C) respectively. Locals keep warm clothing handy, particularly to weather the significant snowfall of 3.9" (99mm) typically experienced. Although the sun is less visible during this period, Newmarket's winter beauty is undeniably enhanced with frosty mornings and clear, starlit nights.

Temperature

Newmarket witnesses the coldest weather in January, with temperatures averaging a high of 31.5°F (-0.3°C) and a low of 19.8°F (-6.8°C).

Humidity

The months with the highest humidity in Newmarket are January and February, with an average relative humidity of 80%.

Rainfall

In Newmarket, in January, during 8 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. In Newmarket, during the entire year, the rain falls for 144.8 days and collects up to 27.24" (692mm) of precipitation.

Snowfall

Months with snowfall in Newmarket, New Hampshire, are January through April, October through December. In Newmarket, in January, snow falls for 8.7 days, with typically accumulated 3.9" (99mm) of snow. In Newmarket, during the entire year, snow falls for 35.1 days and aggregates up to 18.78" (477mm) of snow.

Daylight

The average length of the day in January in Newmarket is 9h and 26min.
On the first day of January in Newmarket, sunrise is at 7:15 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 4:54 pm EST.

Sunshine

The average sunshine in January in Newmarket is 5.1h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In January, an average UV index of 2 transforms into the following instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Frequently asked questions

What is the coldest month in Newmarket?

January brings the lowest temperatures in Newmarket, New Hampshire, with an average high of 31.5°F (-0.3°C) and an average low of 19.8°F (-6.8°C).

How cold is it in Newmarket in January?

The high-temperature during January is 31.5°F (-0.3°C) and the low-temperature is 19.8°F (-6.8°C).

What are the most humid months in Newmarket?

January and February, with an average relative humidity of 80%, are most humid months in Newmarket, New Hampshire.

What is the average humidity in January in Newmarket?

In Newmarket, New Hampshire, the average relative humidity in January is 80%.

How much does it rain in Newmarket in January?

In Newmarket, in January, during 8 rainfall days, 2.05" (52mm) of precipitation is typically accumulated.

How many days does it snow in January in Newmarket?

In January, in Newmarket, New Hampshire, it is snowing for 8.7 days. Throughout January, 3.9" (99mm) of snow is accumulated.

How many hours of daylight does Newmarket have in January?

The average day length in January in Newmarket is 9h and 26min.

When is the sunrise / sunset in January in Newmarket?

In January, on the first day of the month, sunrise is at 7:15 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 4:54 pm EST.

How long on average sun shines in January in Newmarket?

The average sunshine duration in January is 5.1h.

What are the months with the lowest UV index in Newmarket?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Newmarket, New Hampshire.

What is the UV index intensity in January in Newmarket?

In Newmarket, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents 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
Newmarket, NH

Average temperature in January - Newmarket, NH
  • Average high temperature in January: 31.5°F

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in January: 19.8°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in January
Newmarket, NH

Average pressure in January - Newmarket, NH
  • Average pressure in January: 29.99"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in January
Newmarket, NH

Average wind speed in January - Newmarket, NH
  • Average wind speed in January: 10.8mph

The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

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Average humidity in January
Newmarket, NH

Average humidity in January - Newmarket, NH
  • Average humidity in January: 80%

The months with the highest relative humidity are January and February (80%).
The months with the lowest relative humidity are April and November (75%).

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Average rainfall in January
Newmarket, NH

Average rainfall in January - Newmarket, NH
  • Average rainfall in January: 2.05"

The wettest months (with the highest rainfall) are October and December (2.87").
The driest month (with the least rainfall) is September (1.46").

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Average rainfall days in January
Newmarket, NH

Average rainfall days in January - Newmarket, NH
  • Average rainfall days in January: 8 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is February (7.6 days).

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Average snowfall in January
Newmarket, NH

Average snowfall in January - Newmarket, NH
  • Average snowfall in January: 3.9"

The month with the highest snowfall is December (4.53").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Newmarket, NH

Average snowfall days in January - Newmarket, NH
  • Average snowfall days in January: 8.7 days

The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Newmarket, NH

Average daylight in January / Average sunshine in January - Newmarket, 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: 5h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

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Average sunshine days in January
Newmarket, NH

Average sunshine days in January - Newmarket, NH
  • Average sunshine days in January: 16 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is April (13.2 days).

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Average UV index in January
Newmarket, NH

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

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

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Average cloud cover in January
Newmarket, NH

Average cloud cover in January - Newmarket, NH
  • Average cloud cover in January: 45

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in January
Newmarket, NH

Average visibility in January - Newmarket, NH
  • Average visibility in January: 6mi

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

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Newmarket, New Hampshire, USA

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