January weather forecast
Putnam, CT

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Weather in January

January, like December, in Putnam, Connecticut, is a wintry winter month, with an average temperature fluctuating between 33.4°F (0.8°C) and 21.6°F (-5.8°C).

Temperature

January, on average, is the coldest month, registering a high temperature of 33.4°F (0.8°C) and a low of 21.6°F (-5.8°C).

Humidity

In January, the average relative humidity is 77%.

Rainfall

In Putnam, during January, the rain falls for 8.3 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, in Putnam, there are 163 rainfall days, and 33.86" (860mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall in Putnam. In Putnam, Connecticut, in January, snow falls for 7.8 days, with typically accumulated 2.91" (74mm) of snow. Throughout the year, in Putnam, there are 30.6 snowfall days, and 14.02" (356mm) of snow is accumulated.

Daylight

In Putnam, the average length of the day in January is 9h and 32min.
On the first day of the month, sunrise is at 7:15 am and sunset at 4:26 pm. On the last day of January, in Putnam, sunrise is at 7:01 am and sunset at 5:00 pm EST.

Sunshine

In January, the average sunshine in Putnam, Connecticut, is 5h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily maximum UV index of 2 in January translates into the following instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Putnam?

The lowest temperatures are recorded in January, with averages reaching a high of 33.4°F (0.8°C) and a low of 21.6°F (-5.8°C).

How cold is January in Putnam?

Putnam in January has an average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 21.6°F (-5.8°C).

What is the average humidity in January in Putnam?

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

How many days does it rain in January in Putnam?

In Putnam, Connecticut, in January, during 8.3 rainfall days, 2.52" (64mm) of precipitation is typically accumulated.

How many days does it snow in January in Putnam?

In Putnam, Connecticut, in January, during 7.8 snowfall days, 2.91" (74mm) of snow is typically accumulated.

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

In Putnam, the average day length in January is 9h and 32min.

When is the sunrise / sunset in January in Putnam?

On the first day of January in Putnam, Connecticut, sunrise is at 7:15 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:00 pm EST.

How many hours of sunshine does Putnam have in January?

The average sunshine duration in January in Putnam, Connecticut, is 5h.

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

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

How high is the UV index in January in Putnam?

The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's 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
Putnam, CT

Average temperature in January - Putnam, CT
  • Average high temperature in January: 33.4°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in January: 21.6°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 (21.6°F).

Average pressure in January
Putnam, CT

Average pressure in January - Putnam, CT
  • Average pressure in January: 30.02"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in January
Putnam, CT

Average wind speed in January - Putnam, CT
  • Average wind speed in January: 9.3mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

Average humidity in January
Putnam, CT

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

The months with the highest relative humidity are February, June, July, September and October (79%).
The month with the lowest relative humidity is April (73%).

Average rainfall in January
Putnam, CT

Average rainfall in January - Putnam, CT
  • Average rainfall in January: 2.52"

The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (1.81").

Average rainfall days in January
Putnam, CT

Average rainfall days in January - Putnam, CT
  • Average rainfall days in January: 8.3 days

The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in January
Putnam, CT

Average snowfall in January - Putnam, CT
  • Average snowfall in January: 2.91"

The month with the highest snowfall is March (3.7").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in January
Putnam, CT

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

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Putnam, 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 12min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in January
Putnam, CT

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

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (10.6 days).

Average UV index in January
Putnam, CT

Average UV index in January - Putnam, 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
Putnam, CT

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

The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in January
Putnam, CT

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

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

Putnam, Connecticut, USA

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