January weather forecast
North Granby, CT

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Weather in January

January, like December, is a freezing cold winter month in North Granby, Connecticut, with an average temperature varying between 18.3°F (-7.6°C) and 30.9°F (-0.6°C).

Temperature

January, noted for its average high-temperature of 30.9°F (-0.6°C) and an average low-temperature of 18.3°F (-7.6°C), is considered the coldest month.

Humidity

In January, the average relative humidity is 79%.

Rainfall

In North Granby, in January, during 7.8 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. Throughout the year, there are 165.4 rainfall days, and 34.45" (875mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In North Granby, in January, snow falls for 9.1 days, with typically accumulated 4.65" (118mm) of snow. Throughout the year, there are 37.5 snowfall days, and 21.26" (540mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 32min.
On the first day of January, sunrise is at 7:19 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:04 pm EST.

Sunshine

The average sunshine in January is 4.7h.

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: The maximum daily UV index of 2 in January converts into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

The coldest temperatures occur during January, when averages reach a peak of 30.9°F (-0.6°C) and a low of 18.3°F (-7.6°C).

How cold is January?

In North Granby, in January, the average high-temperature is 30.9°F (-0.6°C), and the average low-temperature is 18.3°F (-7.6°C).

What is the average humidity in January?

In North Granby, the average relative humidity in January is 79%.

How many days does it rain in January?

In North Granby, in January, during 7.8 rainfall days, 2.28" (58mm) of precipitation is typically accumulated.

How many days does it snow in January in North Granby?

In North Granby, in January, snow falls for 9.1 days, with typically accumulated 4.65" (118mm) of snow.

How many hours of daylight does North Granby have in January?

The average day length in January is 9h and 32min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:19 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:04 pm EST.

How long on average sun shines in January?

The average sunshine duration in January is 4.7h.

What is the month with the lowest UV index?

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

What is the UV index reading in January?

The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health threat 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
North Granby, CT

Average temperature in January - North Granby, CT
  • Average high temperature in January: 30.9°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 (30.9°F).

  • Average low temperature in January: 18.3°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in January
North Granby, CT

Average pressure in January - North Granby, 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).

Average wind speed in January
North Granby, CT

Average wind speed in January - North Granby, CT
  • Average wind speed in January: 8.4mph

The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in January
North Granby, CT

Average humidity in January - North Granby, CT
  • Average humidity in January: 79%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (73%).

Average rainfall in January
North Granby, CT

Average rainfall in January - North Granby, CT
  • Average rainfall in January: 2.28"

The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (2.17").

Average rainfall days in January
North Granby, CT

Average rainfall days in January - North Granby, CT
  • Average rainfall days in January: 7.8 days

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in January
North Granby, CT

Average snowfall in January - North Granby, CT
  • Average snowfall in January: 4.65"

The month with the highest snowfall is February (5.59").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
North Granby, CT

Average snowfall days in January - North Granby, CT
  • Average snowfall days in January: 9.1 days

The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
North Granby, CT

Average daylight in January / Average sunshine in January - North Granby, CT
  • Average daylight in January: 9h and 3min

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: 4h and 4min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in January
North Granby, CT

Average sunshine days in January - North Granby, CT
  • Average sunshine days in January: 16.6 days

The month with the most sunshine days is January (16.6 days).
The month with the least sunshine days is June (10.9 days).

Average UV index in January
North Granby, CT

Average UV index in January - North Granby, CT
  • Average UV index in January: 2

The month with the highest UV index is June (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
North Granby, CT

Average cloud cover in January - North Granby, CT
  • Average cloud cover in January: 49

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in January
North Granby, CT

Average visibility in January - North Granby, CT
  • Average visibility in January: 5mi

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

North Granby, Connecticut, USA

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