January weather forecast
Goffstown, NH

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Weather in January

Goffstown, New Hampshire experiences a chilly start to the year in January. The city is in the grip of winter with frequent snowfall. Temperatures often drop to 16.5°F (-8.6°C) at night, making it the coldest month of the year. Add in the fact that it has the fewest daylight hours, and January presents itself as a true winter month indeed. Sunlight averages around 5 hours a day and heavy cloud cover is commonplace.

Temperature

The coldest period in Goffstown is January, when temperatures fluctuate between an average high of 29.5°F (-1.4°C) and a low of 16.5°F (-8.6°C).

Humidity

In Goffstown, the average relative humidity in January is 82%.

Rainfall

In Goffstown, in January, during 6.6 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, in Goffstown, there are 138.6 rainfall days, and 26.18" (665mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Goffstown, in January, snow falls for 10.7 days, with typically accumulated 6.3" (160mm) of snow. In Goffstown, during the entire year, snow falls for 42 days and aggregates up to 25.83" (656mm) of snow.

Daylight

In Goffstown, the average length of the day in January is 9h and 26min.
On the first day of January in Goffstown, sunrise is at 7:17 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 4:56 pm EST.

Sunshine

The average sunshine in January in Goffstown is 5h.

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 value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 2 in January translates into these instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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Frequently asked questions

What time of the year is the coldest in Goffstown?

January is the coldest month, with the temperature often reaching an average high of 29.5°F (-1.4°C) and an average low of 16.5°F (-8.6°C).

How cold is January in Goffstown?

The average high-temperature and low-temperature during January are 29.5°F (-1.4°C) and 16.5°F (-8.6°C) respectively.

What is the average humidity in January in Goffstown?

In January, the average relative humidity is 82%.

How many days does it rain in January in Goffstown?

In Goffstown, during January, the rain falls for 6.6 days and regularly aggregates up to 1.89" (48mm) of precipitation.

How much does it snow in Goffstown in January?

In Goffstown, during January, snow falls for 10.7 days and regularly aggregates up to 6.3" (160mm) of snow.

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

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

What time are sunrise and sunset in January in Goffstown?

On the first day of January in Goffstown, New Hampshire, sunrise is at 7:17 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 4:56 pm EST.

How long on average sun shines in January in Goffstown?

In Goffstown, the average sunshine duration in January is 5h.

When is the lowest UV index in Goffstown?

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

What is the UV index intensity in January in Goffstown?

In January, the average daily maximum UV index in Goffstown is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's 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
Goffstown, NH

Average temperature in January - Goffstown, NH
  • Average high temperature in January: 29.5°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (29.5°F).

  • Average low temperature in January: 16.5°F

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

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Average pressure in January
Goffstown, NH

Average pressure in January - Goffstown, NH
  • Average pressure in January: 30.01"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in January
Goffstown, NH

Average wind speed in January - Goffstown, NH
  • Average wind speed in January: 8mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in January
Goffstown, NH

Average humidity in January - Goffstown, NH
  • Average humidity in January: 82%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in January
Goffstown, NH

Average rainfall in January - Goffstown, NH
  • Average rainfall in January: 1.89"

The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.46").

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Average rainfall days in January
Goffstown, NH

Average rainfall days in January - Goffstown, NH
  • Average rainfall days in January: 6.6 days

The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (6.6 days).

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Average snowfall in January
Goffstown, NH

Average snowfall in January - Goffstown, NH
  • Average snowfall in January: 6.3"

The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Goffstown, NH

Average snowfall days in January - Goffstown, NH
  • Average snowfall days in January: 10.7 days

The month with the highest number of snowfall days is January (10.7 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
Goffstown, NH

Average daylight in January / Average sunshine in January - Goffstown, 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 0min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in January
Goffstown, NH

Average sunshine days in January - Goffstown, NH
  • Average sunshine days in January: 16.6 days

The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is March (12.9 days).

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Average UV index in January
Goffstown, NH

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

The months with the highest UV index are June, 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
Goffstown, NH

Average cloud cover in January - Goffstown, NH
  • Average cloud cover in January: 46

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in January
Goffstown, NH

Average visibility in January - Goffstown, 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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Goffstown, New Hampshire, USA

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