January weather forecast
Windham, CT

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Weather in January

January, like December, in Windham, Connecticut, is another cold winter month, with temperature in the range of an average low of 21.6°F (-5.8°C) and an average high of 33.4°F (0.8°C).

Temperature

During the coldest month, January, temperatures average a high of 33.4°F (0.8°C) and a low of 21.6°F (-5.8°C).

Humidity

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

Rainfall

In Windham, in January, it is raining for 9.1 days, with typically 2.52" (64mm) of accumulated precipitation. Throughout the year, in Windham, there are 164.2 rainfall days, and 33.74" (857mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Windham are January through May, November and December. In Windham, during January, snow falls for 8.3 days and regularly aggregates up to 2.91" (74mm) of snow. Throughout the year, there are 31.6 snowfall days, and 15.98" (406mm) of snow is accumulated.

Daylight

The average length of the day in January in Windham is 9h and 34min.
On the first day of the month, sunrise is at 7:15 am and sunset at 4:28 pm. On the last day of January, sunrise is at 7:01 am and sunset at 5:02 pm EST.

Sunshine

The average sunshine in January is 5h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Windham. A UV Index estimate of 2, and below, represents a minimal health hazard 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:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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 Windham?

In Windham, January records the average lowest temperatures, peaking at 33.4°F (0.8°C) and reaching a low of 21.6°F (-5.8°C).

How cold is it in Windham in January?

During January, Windham experiences an average high-temperature of 33.4°F (0.8°C) and a low-temperature of 21.6°F (-5.8°C).

What is the average humidity in January in Windham?

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

How many days does it rain in January in Windham?

In Windham, in January, during 9.1 rainfall days, 2.52" (64mm) of precipitation is typically accumulated.

How many days does it snow in January in Windham?

In Windham, in January, snow falls for 8.3 days, with typically accumulated 2.91" (74mm) of snow.

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

In January, the average day length is 9h and 34min.

When is the sunrise / sunset in January in Windham?

On the first day of January in Windham, Connecticut, sunrise is at 7:15 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:02 pm EST.

How long on average sun shines in January in Windham?

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

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

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

What is the UV index intensity in January in Windham?

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

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

The warmest month (with the highest average high temperature) is July (81.9°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°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in January
Windham, CT

Average pressure in January - Windham, 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
Windham, CT

Average wind speed in January - Windham, CT
  • Average wind speed in January: 8.8mph

The windiest months (with the highest average wind speed) are January and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in January
Windham, CT

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

The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (72%).

Average rainfall in January
Windham, CT

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

The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in January
Windham, CT

Average rainfall days in January - Windham, CT
  • Average rainfall days in January: 9.1 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.1 days).

Average snowfall in January
Windham, CT

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

The month with the highest snowfall is March (4.41").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in January
Windham, CT

Average snowfall days in January - Windham, CT
  • Average snowfall days in January: 8.3 days

The month with the highest number of snowfall days is January (8.3 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
Windham, CT

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

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 month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

Average sunshine days in January
Windham, CT

Average sunshine days in January - Windham, CT
  • Average sunshine days in January: 16.2 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (10.8 days).

Average UV index in January
Windham, CT

Average UV index in January - Windham, 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
Windham, CT

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

The months with the most cloud cover are February, March, May and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in January
Windham, CT

Average visibility in January - Windham, 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).

Windham, Connecticut, USA

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