January weather forecast and climate
Westport, CT

The colorful houses on the shores of Westport, Connecticut
The colorful houses on the shores of Westport, Connecticut

Weather in January

January, the same as December, is a wintry winter month in Westport, Connecticut, with average temperature varying between 35.8°F (2.1°C) and 26.4°F (-3.1°C).

Temperature

January is the coldest month, with an average high-temperature of 35.8°F (2.1°C) and an average low-temperature of 26.4°F (-3.1°C).

Humidity

In January, the average relative humidity is 74%.

Rainfall

January and February are months with the least rain in Westport when the rain falls for 8.3 days and typically aggregates up to 2.36" (60mm) of rain.

Snowfall

Months with snowfall are January through April, November and December. In January, it is snowing for 6.7 days. Throughout January, 2.01" (51mm) of snow is accumulated. In Westport, during the entire year, snow falls for 24.6 days, and aggregates up to 9.61" (244mm) of snow.

Daylight

In January, the average length of the day is 9.6h.

Sunshine

In Westport, 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 in Westport. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to the UV radiation for ordinary individuals.
Note: In January, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Westport?

With an average high-temperature of 35.8°F (2.1°C) and an average low-temperature of 26.4°F (-3.1°C), January is the coldest month in Westport, Connecticut.

What is the temperature in January in Westport?

In January, in Westport, the average high-temperature is 35.8°F (2.1°C), and the average low-temperature is 26.4°F (-3.1°C).

What is the average humidity in January in Westport?

The average relative humidity in January is 74%.

How many days does it rain in January in Westport?

In Westport, Connecticut, in January, it is raining for 8.3 days, with typically 2.36" (60mm) of accumulated precipitation.

What is the driest month in Westport?

January and February are months with the least rain in Westport when the rain falls for 8.3 days and typically aggregates up to 2.36" (60mm) of rain.

How much does it snow in Westport in January?

In Westport, during January, snow falls for 6.7 days and regularly aggregates up to 2.01" (51mm) of snow.

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

The average length of the day in January is 9.6h.

How many hours of sunshine does Westport have in January?

In Westport, Connecticut, the average sunshine in January is 5.1h.

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

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

What is the UV index intensity in January in Westport?

In January, the average daily maximum UV index in Westport is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in January
Westport, CT

Average temperature in January - Westport, CT
  • Average high temperature in January: 35.8°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 (35.8°F).

  • Average low temperature in January: 26.4°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).

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Average pressure in January
Westport, CT

Average pressure in January - Westport, CT
  • Average pressure in January: 30.05"

The month with the highest atmospheric pressure is November (30.09").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in January
Westport, CT

Average wind speed in January - Westport, CT
  • Average wind speed in January: 10.1mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

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Average humidity in January
Westport, CT

Average humidity in January - Westport, CT
  • Average humidity in January: 74%

Months with the highest relative humidity are February, May and June (76%).
Months with the lowest relative humidity are April and November (72%).

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Average rainfall in January
Westport, CT

Average rainfall in January - Westport, CT
  • Average rainfall in January: 2.36"

The wettest month (with the highest rainfall) is July (4.13").
The driest months (with the least rainfall) are January and February (2.36").

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Average rainfall days in January
Westport, CT

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

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in January
Westport, CT

Average snowfall in January - Westport, CT
  • Average snowfall in January: 2.01"

The month with the highest snowfall is February (2.83").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
Westport, CT

Average snowfall days in January - Westport, CT
  • Average snowfall days in January: 6.7 days

The month with the highest number of snowfall days is February (7.4 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Westport, CT
  • Average daylight in January: 9.6h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in January: 5.1h

The month with the most sunshine is July (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.7h).

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Average sunshine days in January
Westport, CT

Average sunshine days in January - Westport, CT
  • Average sunshine days in January: 17.8 days

The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is June (10 days).

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Average UV index in January
Westport, CT

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

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

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Average cloud cover in January
Westport, CT

Average cloud cover in January - Westport, CT
  • Average cloud cover in January: 44

Months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in January
Westport, CT

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

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

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