January weather forecast
Durham, NH

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Weather in January

January marks the beginning of winter in Durham, New Hampshire, presenting a frigid climate. Compared to the later February, January exhibits a lower average temperature, with temperatures flowing from a high of 31.5°F (-0.3°C) to a cold low of 19.8°F (-6.8°C). Sunshine hours are limited during this month, providing little relief from the cold. Snowfall is quite common, painting the city white. As the city eases into the year, residents typically prepare for icy conditions and snowy landscapes.

Temperature

Durham experiences its lowest average temperatures in January, reaching a peak of 31.5°F (-0.3°C) and a minimum of 19.8°F (-6.8°C).

Humidity

January and February, with an average relative humidity of 80%, are the most humid months.

Rainfall

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

Snowfall

January through April, October through December are months with snowfall in Durham. In Durham, during January, snow falls for 8.7 days and regularly aggregates up to 3.9" (99mm) of snow. In Durham, during the entire year, snow falls for 35.1 days and aggregates up to 18.78" (477mm) of snow.

Daylight

In Durham, the average length of the day in January is 9h and 26min.
On the first day of the month, sunrise is at 7:15 am and sunset at 4:18 pm. On the last day of January, sunrise is at 7:00 am and sunset at 4:53 pm EST.

Sunshine

In Durham, New Hampshire, the average sunshine in January is 5.1h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In January, the maximum UV index of 2 transforms into these recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest in Durham?

The coldest temperatures in Durham occur during January, when averages reach a peak of 31.5°F (-0.3°C) and a low of 19.8°F (-6.8°C).

How cold is January in Durham?

The high-temperature, in January, in Durham, records 31.5°F (-0.3°C), while the low-temperature is 19.8°F (-6.8°C).

What is the most humid month in Durham?

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

What is the average humidity in January in Durham?

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

How many days does it rain in January in Durham?

In Durham, New Hampshire, in January, it is raining for 8 days, with typically 2.05" (52mm) of accumulated precipitation.

How many days does it snow in January in Durham?

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

How many hours of daylight does Durham have in January?

In January, the average day length in Durham, New Hampshire, is 9h and 26min.

When is the sunrise / sunset in January in Durham?

In January, on the first day of the month, sunrise is at 7:15 am and sunset at 4:18 pm. On the last day of the month, in Durham, sunrise is at 7:00 am and sunset at 4:53 pm EST.

How long on average sun shines in January in Durham?

In Durham, New Hampshire, the average sunshine duration in January is 5.1h.

When is the lowest UV index in Durham?

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

What is the UV index reading in January in Durham?

The average daily maximum UV index in January in Durham, New Hampshire, is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Durham, NH

Average temperature in January - Durham, 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).

Average pressure in January
Durham, NH

Average pressure in January - Durham, 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).

Average wind speed in January
Durham, NH

Average wind speed in January - Durham, 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).

Average humidity in January
Durham, NH

Average humidity in January - Durham, 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%).

Average rainfall in January
Durham, NH

Average rainfall in January - Durham, 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").

Average rainfall days in January
Durham, NH

Average rainfall days in January - Durham, 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).

Average snowfall in January
Durham, NH

Average snowfall in January - Durham, 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").

Average snowfall days in January
Durham, NH

Average snowfall days in January - Durham, 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).

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

Average daylight in January / Average sunshine in January - Durham, 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).

Average sunshine days in January
Durham, NH

Average sunshine days in January - Durham, 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).

Average UV index in January
Durham, NH

Average UV index in January - Durham, 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).

Average cloud cover in January
Durham, NH

Average cloud cover in January - Durham, 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).

Average visibility in January
Durham, NH

Average visibility in January - Durham, 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).

Durham, New Hampshire, USA

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