January weather forecast and climate
Manchester, NH

The colorful buildings in the city of Manchester, New Hampshire, right next to scenic trees on the seashore, a beautiful glass image in the river below
The colorful buildings in the city of Manchester, New Hampshire, right next to scenic trees on the seashore, a beautiful glass image in the river below

Weather in January

January, like December, is a freezing cold winter month in Manchester, New Hampshire, with average temperature ranging between max 30.6°F (-0.8°C) and min 18°F (-7.8°C).

Temperature

The coldest month is January, with an average high-temperature of 30.6°F (-0.8°C) and an average low-temperature of 18°F (-7.8°C).

Humidity

The average relative humidity in January is 80%.

Rainfall

The month with the least rainfall in Manchester, New Hampshire, is January when the rain falls for 4.1 days and typically collects 0.75" (19mm) of precipitation.

Snowfall

Months with snowfall in Manchester are January through May, October through December. In Manchester, during January, snow falls for 7.1 days and regularly aggregates up to 2.4" (61mm) of snow. Throughout the year, in Manchester, New Hampshire, there are 26.1 snowfall days, and 11.54" (293mm) of snow is accumulated.

Daylight

The average length of the day in January is 9.4h.

Sunshine

The average sunshine in Manchester is 5.1h.

UV index

Months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 2 transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Manchester?

With an average high-temperature of 30.6°F (-0.8°C) and an average low-temperature of 18°F (-7.8°C), January is the coldest month.

What is the temperature in January in Manchester?

In January, in Manchester, the average high-temperature is 30.6°F (-0.8°C), and the average low-temperature is 18°F (-7.8°C).

What is the average humidity in January in Manchester?

The average relative humidity in January in Manchester is 80%.

How much does it rain in Manchester in January?

In Manchester, New Hampshire, in January, it is raining for 4.1 days, with typically 0.75" (19mm) of accumulated precipitation.

What is the driest month in Manchester?

The month with the least rainfall in Manchester, New Hampshire, is January when the rain falls for 4.1 days and typically collects 0.75" (19mm) of precipitation.

How many days does it snow in January in Manchester?

In Manchester, in January, snow falls for 7.1 days, with typically accumulated 2.4" (61mm) of snow.

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

The average length of the day in January in Manchester is 9.4h.

How long on average sun shines in January in Manchester?

In January, the average sunshine in Manchester is 5.1h.

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

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

What is the UV index intensity in January in Manchester?

The average daily maximum UV index in January in Manchester is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe exposure to the Sun's UV rays.

Average temperature in January
Manchester, NH

Average temperature in January - Manchester, NH
  • Average high temperature in January: 30.6°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in January: 18°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure in January
Manchester, NH

Average pressure in January - Manchester, NH
  • Average pressure in January: 30.01"

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

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Average wind speed in January
Manchester, NH

Average wind speed in January - Manchester, NH
  • Average wind speed in January: 8.3mph

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in January
Manchester, NH

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

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in January
Manchester, NH

Average rainfall in January - Manchester, NH
  • Average rainfall in January: 0.75"

The wettest month (with the highest rainfall) is October (1.38").
The driest month (with the least rainfall) is January (0.75").

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Average rainfall days in January
Manchester, NH

Average rainfall days in January - Manchester, NH
  • Average rainfall days in January: 4.1 days

The month with the highest number of rainy days is June (12.1 days).
The month with the least rainy days is January (4.1 days).

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Average snowfall in January
Manchester, NH

Average snowfall in January - Manchester, NH
  • Average snowfall in January: 2.4"

The month with the highest snowfall is December (2.99").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Manchester, NH

Average snowfall days in January - Manchester, NH
  • Average snowfall days in January: 7.1 days

The month with the highest number of snowfall days is January (7.1 days).
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
Manchester, NH

Average daylight in January / Average sunshine in January - Manchester, NH
  • Average daylight in January: 9.4h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in January: 5.1h

The month with the most sunshine is August (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days in January
Manchester, NH

Average sunshine days in January - Manchester, NH
  • Average sunshine days in January: 21.3 days

Months with the most sunshine days are January and December (21.3 days).
The month with the least sunshine days is June (16.7 days).

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Average UV index in January
Manchester, NH

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

Months with the highest UV index are June, July and August (UV index 6).
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
Manchester, NH

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

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in January
Manchester, NH

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

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

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