January weather forecast
Southbury, CT

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Weather in January

January, like December, in Southbury, Connecticut, is another cold winter month, with temperature in the range of an average low of 21.4°F (-5.9°C) and an average high of 33.1°F (0.6°C).

Temperature

Southbury witnesses the coldest weather in January, with temperatures averaging a high of 33.1°F (0.6°C) and a low of 21.4°F (-5.9°C).

Humidity

In Southbury, the average relative humidity in January is 77%.

Rainfall

In Southbury, Connecticut, in January, it is raining for 9.5 days, with typically 2.4" (61mm) of accumulated precipitation. In Southbury, Connecticut, during the entire year, the rain falls for 171.2 days and collects up to 36.3" (922mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. In January, in Southbury, it is snowing for 8.8 days. Throughout January, 3.62" (92mm) of snow is accumulated. In Southbury, during the entire year, snow falls for 34.8 days and aggregates up to 17.48" (444mm) of snow.

Daylight

In January, the average length of the day in Southbury is 9h and 35min.
On the first day of January in Southbury, Connecticut, sunrise is at 7:19 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:06 pm EST.

Sunshine

In Southbury, the average sunshine in January is 4.8h.

UV index

The months with the lowest UV index in Southbury 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 health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In January, a daily UV index of 2 turns into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Frequently asked questions

What is the coldest month in Southbury?

January, with average temperatures reaching a high of 33.1°F (0.6°C) and a low of 21.4°F (-5.9°C), is the coldest month in Southbury.

How cold is January in Southbury?

Southbury in January has an average high-temperature of 33.1°F (0.6°C) and an average low-temperature of 21.4°F (-5.9°C).

What is the average humidity in January in Southbury?

The average relative humidity in January in Southbury, Connecticut, is 77%.

How many days does it rain in January in Southbury?

In Southbury, in January, during 9.5 rainfall days, 2.4" (61mm) of precipitation is typically accumulated.

How many days does it snow in January in Southbury?

In Southbury, during January, snow falls for 8.8 days and regularly aggregates up to 3.62" (92mm) of snow.

How many hours of daylight does Southbury have in January?

The average day length in January in Southbury, Connecticut, is 9h and 35min.

When is the sunrise / sunset in January in Southbury?

On the first day of January in Southbury, sunrise is at 7:19 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:06 pm EST.

How long on average sun shines in January in Southbury?

In January, the average sunshine duration is 4.8h.

What is the month with the lowest UV index in Southbury?

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 Southbury?

In Southbury, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Southbury, CT

Average temperature in January - Southbury, CT
  • 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: 21.4°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).

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Average pressure in January
Southbury, CT

Average pressure in January - Southbury, CT
  • Average pressure in January: 30.04"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
Southbury, CT

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

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in January
Southbury, CT

Average humidity in January - Southbury, CT
  • Average humidity in January: 77%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in January
Southbury, CT

Average rainfall in January - Southbury, CT
  • Average rainfall in January: 2.4"

The wettest month (with the highest rainfall) is December (3.9").
The driest month (with the least rainfall) is September (2.28").

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Average rainfall days in January
Southbury, CT

Average rainfall days in January - Southbury, CT
  • Average rainfall days in January: 9.5 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is January (9.5 days).

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Average snowfall in January
Southbury, CT

Average snowfall in January - Southbury, CT
  • Average snowfall in January: 3.62"

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

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Average snowfall days in January
Southbury, CT

Average snowfall days in January - Southbury, CT
  • Average snowfall days in January: 8.8 days

The month with the highest number of snowfall days is February (9.4 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
Southbury, CT

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in January: 4h and 5min

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in January
Southbury, CT

Average sunshine days in January - Southbury, CT
  • Average sunshine days in January: 16.5 days

The month with the most sunshine days is November (17 days).
The months with the least sunshine days are May and June (10.3 days).

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Average UV index in January
Southbury, CT

Average UV index in January - Southbury, 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
Southbury, CT

Average cloud cover in January - Southbury, CT
  • Average cloud cover in January: 47

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in January
Southbury, CT

Average visibility in January - Southbury, CT
  • Average visibility in January: 5mi

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

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Southbury, Connecticut, USA

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