January weather forecast
Marion, CT

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Weather in January

January, the same as December, is an icy winter month in Marion, Connecticut, with an average temperature varying between 33.6°F (0.9°C) and 21.9°F (-5.6°C).

Temperature

January is the month when Marion, Connecticut, experiences its coldest temperatures, averaging a high of 33.6°F (0.9°C) and a low of 21.9°F (-5.6°C).

Humidity

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

Rainfall

In Marion, during January, the rain falls for 8.4 days and regularly aggregates up to 2.48" (63mm) of precipitation. In Marion, during the entire year, the rain falls for 162.7 days and collects up to 34.57" (878mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in Marion, Connecticut. In January, in Marion, it is snowing for 7.5 days. Throughout January, 3.07" (78mm) of snow is accumulated. In Marion, during the entire year, snow falls for 30 days and aggregates up to 15.28" (388mm) of snow.

Daylight

In January, the average length of the day in Marion is 9h and 35min.
On the first day of the month, sunrise is at 7:18 am and sunset at 4:32 pm. On the last day of January, sunrise is at 7:04 am and sunset at 5:05 pm EST.

Sunshine

In January, the average sunshine is 4.9h.

UV index

The months with the lowest UV index in Marion are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 2 during January translates into these guidelines:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest in Marion?

During the coldest month in Marion, January, temperatures average a high of 33.6°F (0.9°C) and a low of 21.9°F (-5.6°C).

How cold is it in Marion in January?

The high-temperature, in January, in Marion, is 33.6°F (0.9°C), while the low-temperature averages to 21.9°F (-5.6°C).

What is the average humidity in January in Marion?

The average relative humidity in January in Marion, Connecticut, is 76%.

How much does it rain in Marion in January?

In Marion, during January, the rain falls for 8.4 days and regularly aggregates up to 2.48" (63mm) of precipitation.

How much does it snow in Marion in January?

In Marion, Connecticut, in January, snow falls for 7.5 days, with typically accumulated 3.07" (78mm) of snow.

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

The average day length in January in Marion is 9h and 35min.

When is the sunrise / sunset in January in Marion?

In January, on the first day of the month, sunrise is at 7:18 am and sunset at 4:32 pm. On the last day of the month, in Marion, Connecticut, sunrise is at 7:04 am and sunset at 5:05 pm EST.

How long on average sun shines in January in Marion?

In January, the average sunshine duration in Marion, Connecticut, is 4.9h.

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

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

What is the UV index intensity in January in Marion?

The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Marion, CT

Average temperature in January - Marion, CT
  • Average high temperature in January: 33.6°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in January: 21.9°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

Average pressure in January
Marion, CT

Average pressure in January - Marion, 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
Marion, CT

Average wind speed in January - Marion, CT
  • Average wind speed in January: 8.3mph

The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in January
Marion, CT

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

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).

Average rainfall in January
Marion, CT

Average rainfall in January - Marion, CT
  • Average rainfall in January: 2.48"

The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in January
Marion, CT

Average rainfall days in January - Marion, CT
  • Average rainfall days in January: 8.4 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.4 days).

Average snowfall in January
Marion, CT

Average snowfall in January - Marion, CT
  • Average snowfall in January: 3.07"

The month with the highest snowfall is March (4.06").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in January
Marion, CT

Average snowfall days in January - Marion, CT
  • Average snowfall days in January: 7.5 days

The month with the highest number of snowfall days is February (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Marion, CT

Average daylight in January / Average sunshine in January - Marion, 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 month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in January
Marion, CT

Average sunshine days in January - Marion, CT
  • Average sunshine days in January: 16.8 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (10.9 days).

Average UV index in January
Marion, CT

Average UV index in January - Marion, 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).

Average cloud cover in January
Marion, CT

Average cloud cover in January - Marion, 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 35).

Average visibility in January
Marion, CT

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

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

Marion, Connecticut, USA

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