January weather forecast
East Granby, CT

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Weather in January

January, like December, is another subzero cold winter month in East Granby, Connecticut, with an average temperature varying between 31.8°F (-0.1°C) and 19.8°F (-6.8°C).

Temperature

East Granby records the coldest temperatures in January, averaging a high of 31.8°F (-0.1°C) and a low of 19.8°F (-6.8°C).

Humidity

In January, the average relative humidity in East Granby is 78%.

Rainfall

In East Granby, in January, during 6.3 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. In East Granby, during the entire year, the rain falls for 113.2 days and collects up to 10.91" (277mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in East Granby. In East Granby, in January, during 6 snowfall days, 1.1" (28mm) of snow is typically accumulated. Throughout the year, there are 23.9 snowfall days, and 5.63" (143mm) of snow is accumulated.

Daylight

The average length of the day in January in East Granby, Connecticut, is 9h and 32min.
On the first day of the month, sunrise is at 7:18 am and sunset at 4:30 pm. On the last day of January, in East Granby, sunrise is at 7:04 am and sunset at 5:03 pm EST.

Sunshine

In January, the average sunshine in East Granby is 5h.

UV index

The months with the lowest UV index in East Granby are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 2 in January translates into these instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

What time of the year is the coldest in East Granby?

January is the coldest month in East Granby, exhibiting average temperatures of 31.8°F (-0.1°C) at the peak and 19.8°F (-6.8°C) at the base.

How cold is it in East Granby in January?

January temperatures in East Granby, Connecticut, vary between a high-temperature of 31.8°F (-0.1°C) and a low-temperature of 19.8°F (-6.8°C).

What is the average humidity in January in East Granby?

The average relative humidity in January in East Granby, Connecticut, is 78%.

How much does it rain in East Granby in January?

In East Granby, in January, it is raining for 6.3 days, with typically 0.67" (17mm) of accumulated precipitation.

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

In East Granby, in January, snow falls for 6 days, with typically accumulated 1.1" (28mm) of snow.

What is the average length of the day in January in East Granby?

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

When is the sunrise / sunset in January in East Granby?

On the first day of January, sunrise is at 7:18 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:03 pm EST.

How long on average sun shines in January in East Granby?

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

What are the months with the lowest UV index in East Granby?

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

How high is the UV index in January in East Granby?

The average daily maximum UV index in January in East Granby is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe 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
East Granby, CT

Average temperature in January - East Granby, CT
  • Average high temperature in January: 31.8°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 (31.8°F).

  • Average low temperature in January: 19.8°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in January
East Granby, CT

Average pressure in January - East 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).

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Average wind speed in January
East Granby, CT

Average wind speed in January - East Granby, 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 (5.1mph).

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Average humidity in January
East Granby, CT

Average humidity in January - East Granby, CT
  • Average humidity in January: 78%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in January
East Granby, CT

Average rainfall in January - East Granby, CT
  • Average rainfall in January: 0.67"

The wettest months (with the highest rainfall) are July and October (1.14").
The driest month (with the least rainfall) is September (0.43").

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Average rainfall days in January
East Granby, CT

Average rainfall days in January - East Granby, CT
  • Average rainfall days in January: 6.3 days

The month with the highest number of rainy days is June (11.7 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in January
East Granby, CT

Average snowfall in January - East Granby, CT
  • Average snowfall in January: 1.1"

The month with the highest snowfall is February (1.77").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in January
East Granby, CT

Average snowfall days in January - East Granby, CT
  • Average snowfall days in January: 6 days

The month with the highest number of snowfall days is February (6.1 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
East Granby, CT

Average daylight in January / Average sunshine in January - East 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: 5h and 0min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in January
East Granby, CT

Average sunshine days in January - East Granby, CT
  • Average sunshine days in January: 20.8 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is April (16.1 days).

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Average UV index in January
East Granby, CT

Average UV index in January - East Granby, CT
  • 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
East Granby, CT

Average cloud cover in January - East Granby, CT
  • Average cloud cover in January: 46

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in January
East Granby, CT

Average visibility in January - East Granby, CT
  • Average visibility in January: 6mi

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

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East Granby, Connecticut, USA

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