January weather forecast
Windsor, CT

Share

Weather in January

In Windsor, Connecticut, January marks the height of winter with temperatures often quite low and consistent snowfall. Chilly temperatures can reach an average low of 21.2°F (-6°C) while an average high can go up to 32.9°F (0.5°C). January witnesses an average snowfall of 3.39" (86mm) throughout the city. With the amount of sunlight diminishing fast, the hue of the environment becomes noticeably muted during this time. Safety measures for low temperatures and snow showers should be prioritized by the Windsor residents during this month.

Temperature

The coldest month is January, with an average high-temperature of 32.9°F (0.5°C) and an average low-temperature of 21.2°F (-6°C).

Humidity

In January, the average relative humidity is 76%.

Rainfall

In Windsor, during January, the rain falls for 10 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Windsor, during the entire year, the rain falls for 164.8 days and collects up to 31.77" (807mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Windsor, in January, during 7.8 snowfall days, 3.39" (86mm) of snow is typically accumulated. In Windsor, during the entire year, snow falls for 31.6 days and aggregates up to 17.13" (435mm) of snow.

Daylight

In Windsor, the average length of the day in January is 9h and 33min.
On the first day of January, sunrise is at 7:18 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:03 pm EST.

Sunshine

In Windsor, the average sunshine in January is 5.1h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In January, a daily maximum UV index of 2 leads to the following instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.

Frequently asked questions

What are the coldest months?

January, having an average high-temperature of 32.9°F (0.5°C) and an average low-temperature of 21.2°F (-6°C), is the coldest month.

How cold is January?

January temperatures vary between a high-temperature of 32.9°F (0.5°C) and a low-temperature of 21.2°F (-6°C).

What is the average humidity in January?

In January, the average relative humidity is 76%.

How much does it rain in January?

In January, the rain falls for 10 days. Throughout January, 2.28" (58mm) of precipitation is accumulated.

How much does it snow in January?

In Windsor, in January, during 7.8 snowfall days, 3.39" (86mm) of snow is typically accumulated.

How many hours of daylight does Windsor have in January?

The average day length in January is 9h and 33min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:18 am and sunset at 4:29 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 Windsor, the average sunshine duration in January is 5.1h.

When is the lowest UV index?

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

What is the UV index intensity in January?

In Windsor, the average daily maximum UV index in January is 2. A UV Index value 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
Windsor, CT

Average temperature in January - Windsor, CT
  • Average high temperature in January: 32.9°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in January: 21.2°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

Average pressure in January
Windsor, CT

Average pressure in January - Windsor, 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
Windsor, CT

Average wind speed in January - Windsor, 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 (5.2mph).

Average humidity in January
Windsor, CT

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

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).

Average rainfall in January
Windsor, CT

Average rainfall in January - Windsor, CT
  • Average rainfall in January: 2.28"

The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in January
Windsor, CT

Average rainfall days in January - Windsor, CT
  • Average rainfall days in January: 10 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (10 days).

Average snowfall in January
Windsor, CT

Average snowfall in January - Windsor, CT
  • Average snowfall in January: 3.39"

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

Average snowfall days in January
Windsor, CT

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

The month with the highest number of snowfall days is February (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Windsor, 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 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in January
Windsor, CT

Average sunshine days in January - Windsor, CT
  • Average sunshine days in January: 17 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (11.2 days).

Average UV index in January
Windsor, CT

Average UV index in January - Windsor, CT
  • Average UV index in January: 2

The months with the highest UV index are June and July (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
Windsor, CT

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

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in January
Windsor, CT

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

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

Windsor, Connecticut, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location