January weather forecast
Windsor, NJ

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Weather in January

January, like December, in Windsor, New Jersey, is an icy winter month, with temperature in the range of an average high of 37.4°F (3°C) and an average low of 25°F (-3.9°C).

Temperature

January, with its average high-temperature of 37.4°F (3°C) and an average low-temperature of 25°F (-3.9°C), holds the record as the coldest month.

Humidity

The average relative humidity in January is 75%.

Rainfall

In January, in Windsor, the rain falls for 8.3 days. Throughout January, 1.73" (44mm) of precipitation is accumulated. Throughout the year, in Windsor, there are 152.9 rainfall days, and 28.78" (731mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall in Windsor. In Windsor, in January, during 5.3 snowfall days, 1.89" (48mm) of snow is typically accumulated. In Windsor, New Jersey, during the entire year, snow falls for 17.7 days and aggregates up to 8.43" (214mm) of snow.

Daylight

In Windsor, the average length of the day in January is 9h and 41min.
On the first day of the month, sunrise is at 7:20 am and sunset at 4:42 pm. On the last day of January, in Windsor, sunrise is at 7:08 am and sunset at 5:15 pm EST.

Sunshine

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

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum daily UV index of 2 during January morphs into the following directions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What part of the year is the coldest in Windsor?

January, with its high-temperature average of 37.4°F (3°C) and a low-temperature average of 25°F (-3.9°C), is the coldest month.

How cold is it in Windsor in January?

The high-temperature, in January, in Windsor, is 37.4°F (3°C), while the low-temperature averages to 25°F (-3.9°C).

What is the average humidity in January in Windsor?

The average relative humidity in January in Windsor is 75%.

How many days does it rain in January in Windsor?

In January, in Windsor, New Jersey, the rain falls for 8.3 days. Throughout January, 1.73" (44mm) of precipitation is accumulated.

How much does it snow in Windsor in January?

In Windsor, New Jersey, in January, snow falls for 5.3 days, with typically accumulated 1.89" (48mm) of snow.

How many hours of daylight does Windsor have in January?

The average day length in January is 9h and 41min.

When is the sunrise / sunset in January in Windsor?

On the first day of January in Windsor, sunrise is at 7:20 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:15 pm EST.

How many hours of sunshine does Windsor have in January?

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

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

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

What is the UV index reading in January in Windsor?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes 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
Windsor, NJ

Average temperature in January - Windsor, NJ
  • Average high temperature in January: 37.4°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in January: 25°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25°F).

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Average pressure in January
Windsor, NJ

Average pressure in January - Windsor, NJ
  • Average pressure in January: 30.07"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in January
Windsor, NJ

Average wind speed in January - Windsor, NJ
  • Average wind speed in January: 8.5mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in January
Windsor, NJ

Average humidity in January - Windsor, NJ
  • Average humidity in January: 75%

The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in January
Windsor, NJ

Average rainfall in January - Windsor, NJ
  • Average rainfall in January: 1.73"

The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is September (1.65").

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Average rainfall days in January
Windsor, NJ

Average rainfall days in January - Windsor, NJ
  • Average rainfall days in January: 8.3 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in January
Windsor, NJ

Average snowfall in January - Windsor, NJ
  • Average snowfall in January: 1.89"

The month with the highest snowfall is March (3.11").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in January
Windsor, NJ

Average snowfall days in January - Windsor, NJ
  • Average snowfall days in January: 5.3 days

The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Windsor, NJ
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in January
Windsor, NJ

Average sunshine days in January - Windsor, NJ
  • Average sunshine days in January: 19.1 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11 days).

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Average UV index in January
Windsor, NJ

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

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in January
Windsor, NJ

Average cloud cover in January - Windsor, NJ
  • Average cloud cover in January: 44

The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in January
Windsor, NJ

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

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

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Windsor, New Jersey, USA

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