January weather forecast
Manchester, CT

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Weather in January

January ushers in the coldest temperatures in Manchester, Connecticut, USA, with a chillier atmosphere quite pervasive throughout the month. This is a month characterized by fresh snowfall, transforming the city into a winter wonderland. The daylight is condensed, rendering most days with shorter periods of sunshine. January also marks the beginning of the year with pressure shifts in the atmosphere. All these factors, coupled with an average low temperature of 21.2°F (-6°C) and a snowfall of 3.39" (86mm), contribute to the crisp and frosty conditions of the month.

Temperature

January is the coldest month, exhibiting average temperatures of 32.9°F (0.5°C) at the peak and 21.2°F (-6°C) at the base.

Humidity

In Manchester, the average relative humidity in January is 76%.

Rainfall

In January, the rain falls for 10 days. Throughout January, 2.28" (58mm) of precipitation is accumulated. In Manchester, during the entire year, the rain falls for 164.8 days and collects up to 31.77" (807mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Manchester, in January, during 7.8 snowfall days, 3.39" (86mm) of snow is typically accumulated. In Manchester, during the entire year, snow falls for 31.6 days and aggregates up to 17.13" (435mm) of snow.

Daylight

In Manchester, the average length of the day in January is 9h and 34min.
On the first day of January in Manchester, Connecticut, sunrise is at 7:17 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 5:03 pm EST.

Sunshine

The average sunshine in January in Manchester, Connecticut, 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 in Manchester. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: During January, 2 as the daily maximum UV index converts into the following advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are the coldest months in Manchester?

Manchester, Connecticut, records the coldest temperatures in January, averaging a high of 32.9°F (0.5°C) and a low of 21.2°F (-6°C).

How cold is it in Manchester in January?

An average high-temperature, in January, in Manchester, is 32.9°F (0.5°C) and the average low-temperature is 21.2°F (-6°C).

What is the average humidity in January in Manchester?

The average relative humidity in January in Manchester is 76%.

How many days does it rain in January in Manchester?

In Manchester, Connecticut, in January, during 10 rainfall days, 2.28" (58mm) of precipitation is typically accumulated.

How many days does it snow in January in Manchester?

In January, it is snowing for 7.8 days. Throughout January, 3.39" (86mm) of snow is accumulated.

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

In January, the average day length in Manchester, Connecticut, is 9h and 34min.

When is the sunrise / sunset in January in Manchester?

On the first day of January, sunrise is at 7:17 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 5:03 pm EST.

How long on average sun shines in January in Manchester?

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

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

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

How high is the UV index in January in Manchester?

In Manchester, Connecticut, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Manchester, CT

Average temperature in January - Manchester, CT
  • Average high temperature in January: 32.9°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in January: 21.2°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

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Average pressure in January
Manchester, CT

Average pressure in January - Manchester, CT
  • Average pressure in January: 30.03"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in January
Manchester, CT

Average wind speed in January - Manchester, CT
  • Average wind speed in January: 8.1mph

The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in January
Manchester, CT

Average humidity in January - Manchester, CT
  • Average humidity in January: 76%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in January
Manchester, CT

Average rainfall in January - Manchester, CT
  • Average rainfall in January: 2.28"

The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in January
Manchester, CT

Average rainfall days in January - Manchester, CT
  • Average rainfall days in January: 10 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (10 days).

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Average snowfall in January
Manchester, CT

Average snowfall in January - Manchester, CT
  • Average snowfall in January: 3.39"

The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Manchester, CT

Average snowfall days in January - Manchester, CT
  • Average snowfall days in January: 7.8 days

The month with the highest number of snowfall days is February (8.5 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
Manchester, CT

Average daylight in January / Average sunshine in January - Manchester, CT
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in January: 5h and 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in January
Manchester, CT

Average sunshine days in January - Manchester, CT
  • Average sunshine days in January: 17 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (11.2 days).

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Average UV index in January
Manchester, CT

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

The months with the highest UV index are June and July (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
Manchester, CT

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

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in January
Manchester, CT

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

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

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Manchester, Connecticut, USA

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