Manchester
New Hampshire, USA
Long-term weather forecast
Long-term weather forecast

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
January, the same as December, is another cold winter month in Manchester, New Hampshire, with temperature in the range of an average low of 15.6°F (-9.1°C) and an average high of 33.1°F (0.6°C).

Temperature

With an average high-temperature of 33.1°F (0.6°C) and an average low-temperature of 15.6°F (-9.1°C), January is the coldest month.

Rainfall

In Manchester, New Hampshire, in January, it is raining for 9.8 days, with typically 3" (76.7mm) of accumulated precipitation. In Manchester, during the entire year, the rain falls for 120.5 days and collects up to 44.6" (1132.4mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. The month with the most snowfall in Manchester, New Hampshire, is January when snow falls for 5.2 days and typically aggregates up to 14.4" (365.8mm) of snow.

Daylight

In January, the average length of the day is 9.4h.

Sunshine

In January, the average sunshine in Manchester is 5h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Manchester. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to the Sun's UV rays for the ordinary person.
In January, the average maximum UV index of 1 translate into the following recommendations:
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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the coldest month in Manchester?

The coldest month in Manchester, New Hampshire, is January, with an average high-temperature of 33.1°F (0.6°C) and an average low-temperature of 15.6°F (-9.1°C).

What is the temperature in January in Manchester?

In Manchester, in January, the average high-temperature is 33.1°F (0.6°C), and the average low-temperature is 15.6°F (-9.1°C).

How much does it rain in Manchester in January?

In Manchester, in January, it is raining for 9.8 days, with typically 3" (76.7mm) of accumulated precipitation.

How many days does it snow in January in Manchester?

In January, in Manchester, New Hampshire, it is snowing for 5.2 days. Throughout January, 14.4" (365.8mm) of snow is accumulated.

What is the snowiest month in Manchester?

The month with the most snowfall is January when snow falls for 5.2 days and typically aggregates up to 14.4" (365.8mm) of snow.

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

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

How many hours of sunshine does Manchester have in January?

The average sunshine in January in Manchester is 5h.

When is the lowest UV index in Manchester?

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Manchester.

What is the UV index intensity in January in Manchester?

The average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV rays.
Average temperature in January - Manchester, NH
  • Average high temperature in January: 33.1°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.1°F).

  • Average low temperature in January: 15.7°F

The month with the highest average low temperature is July (62.7°F).
The coldest month (with the lowest average low temperature) is January (15.7°F).

Average rainfall in January - Manchester, NH
  • Average rainfall in January: 3"

The wettest month (with the highest rainfall) is March (4.3").
The driest month (with the lowest rainfall) is February (2.8").

Average rainfall days in January - Manchester, NH
  • Average rainfall days in January: 9.8 days

The month with the highest number of rainy days is April (11.2 days).
The month with the lowest number of rainy days is February (8 days).

Average snowfall in January - Manchester, NH
  • Average snowfall in January: 14.4"

The month with the highest snowfall is January (14.4").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average snowfall days in January - Manchester, NH
  • Average snowfall days in January: 5.2 days

The month with the highest number of snowfall days is January (5.2 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

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 shortest days is December (Average daylight: 9.1h).

  • Average sunshine in January: 5h

The month with most sunshine is July (Average sunshine: 10h).
Months with least sunshine are November and December (Average sunshine: 4).

Average UV index in January - Manchester, NH
  • Average UV index in January: 1

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).