January weather forecast
Westport, NY

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Weather in January

January, like December, is another subzero cold winter month in Westport, New York, with an average temperature varying between 12.4°F (-10.9°C) and 24.8°F (-4°C).

Temperature

In Westport, the month of January is known for its lowest average temperatures, reaching a high of 24.8°F (-4°C) and a low of 12.4°F (-10.9°C).

Humidity

The months with the highest humidity in Westport are January and February, with an average relative humidity of 86%.

Rainfall

In Westport, in January, during 11.6 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, there are 176.9 rainfall days, and 28.27" (718mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Westport. In Westport, in January, during 19.9 snowfall days, 8.54" (217mm) of snow is typically accumulated. In Westport, during the entire year, snow falls for 85.1 days and aggregates up to 43.03" (1093mm) of snow.

Daylight

In Westport, New York, the average length of the day in January is 9h and 19min.
On the first day of the month, sunrise is at 7:28 am and sunset at 4:25 pm. On the last day of January, sunrise is at 7:12 am and sunset at 5:01 pm EST.

Sunshine

The average sunshine in January is 3.9h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.
Note: In January, an average UV index of 1 transforms into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

What is the coldest month?

Westport's coldest weather arrives in January, when temperatures average a high of 24.8°F (-4°C) and a low of 12.4°F (-10.9°C).

How cold is it in January?

In Westport, 24.8°F (-4°C) is the average high-temperature and 12.4°F (-10.9°C) is the average low-temperature during January.

What is the most humid month?

January and February, with an average relative humidity of 86%, are most humid months.

What is the average humidity in January?

The average relative humidity in January is 86%.

How many days does it rain in January?

In January, the rain falls for 11.6 days. Throughout January, 1.89" (48mm) of precipitation is accumulated.

How much does it snow in January?

In Westport, in January, during 19.9 snowfall days, 8.54" (217mm) of snow is typically accumulated.

How many hours of daylight does Westport have in January?

In January, the average day length is 9h and 19min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:28 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:01 pm EST.

How long on average sun shines in January in Westport?

The average sunshine duration in January is 3.9h.

When is the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

How high is the UV index in January?

The average daily maximum UV index in January is 1. A UV Index reading of 2, and below, represents a low health risk 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
Westport, NY

Average temperature in January - Westport, NY
  • Average high temperature in January: 24.8°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (24.8°F).

  • Average low temperature in January: 12.4°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

Average pressure in January
Westport, NY

Average pressure in January - Westport, NY
  • Average pressure in January: 30.03"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in January
Westport, NY

Average wind speed in January - Westport, NY
  • Average wind speed in January: 6.3mph

The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in January
Westport, NY

Average humidity in January - Westport, NY
  • Average humidity in January: 86%

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (75%).

Average rainfall in January
Westport, NY

Average rainfall in January - Westport, NY
  • Average rainfall in January: 1.89"

The wettest month (with the highest rainfall) is June (3.19").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in January
Westport, NY

Average rainfall days in January - Westport, NY
  • Average rainfall days in January: 11.6 days

The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is February (10.4 days).

Average snowfall in January
Westport, NY

Average snowfall in January - Westport, NY
  • Average snowfall in January: 8.54"

The month with the highest snowfall is February (12.05").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Westport, NY

Average snowfall days in January - Westport, NY
  • Average snowfall days in January: 19.9 days

The month with the highest number of snowfall days is January (19.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Westport, NY

Average daylight in January / Average sunshine in January - Westport, NY
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

Average sunshine days in January
Westport, NY

Average sunshine days in January - Westport, NY
  • Average sunshine days in January: 9.1 days

The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is February (7.6 days).

Average UV index in January
Westport, NY

Average UV index in January - Westport, NY
  • Average UV index in January: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in January
Westport, NY

Average cloud cover in January - Westport, NY
  • Average cloud cover in January: 60

The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in January
Westport, NY

Average visibility in January - Westport, NY
  • Average visibility in January: 5mi

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).

Westport, New York, USA

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