January weather forecast and climate
Westford, NY

Weather in January

January, the same as December, in Westford, New York, is another subzero cold winter month, with average temperature fluctuating between 14.7°F (-9.6°C) and 26.8°F (-2.9°C).

Temperature

January is the coldest month, with an average high-temperature of 26.8°F (-2.9°C) and an average low-temperature of 14.7°F (-9.6°C).

Humidity

The average relative humidity in Westford is 87%.

Rainfall

In Westford, it is raining for 8.1 days, with typically 2.44" (62mm) of accumulated precipitation. In Westford, during the entire year, the rain falls for 166.3 days and collects up to 33.7" (856mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. The month with the most snowfall in Westford is January when snow falls for 19 days and typically aggregates up to 9.41" (239mm) of snow.

Daylight

The average length of the day in January is 9.5h.

Sunshine

The average sunshine in Westford, New York, is 3.1h.

UV index

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 1 in January transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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 Westford?

The coldest month in Westford, New York, is January, with an average high-temperature of 26.8°F (-2.9°C) and an average low-temperature of 14.7°F (-9.6°C).

What is the temperature in January in Westford?

In Westford, New York, in January, the average high-temperature is 26.8°F (-2.9°C), and the average low-temperature is 14.7°F (-9.6°C).

What is the average humidity in January in Westford?

In January, the average relative humidity in Westford is 87%.

How much does it rain in Westford in January?

In Westford, in January, it is raining for 8.1 days, with typically 2.44" (62mm) of accumulated precipitation.

How much does it snow in Westford in January?

In Westford, New York, during January, snow falls for 19 days and regularly aggregates up to 9.41" (239mm) of snow.

What is the snowiest month in Westford?

January is the month with the most snowfall in Westford, New York. Snow falls for 19 days and accumulates 9.41" (239mm) of snow.

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

In January, the average length of the day in Westford, New York, is 9.5h.

How many hours of sunshine does Westford have in January?

The average sunshine in January in Westford is 3.1h.

What are the months with the lowest UV index in Westford?

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Westford.

How high is the UV index in January in Westford?

In Westford, New York, the average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV radiation.

Average temperature in January
Westford, NY

Average temperature in January - Westford, NY
  • Average high temperature in January: 26.8°F

The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (26.8°F).

  • Average low temperature in January: 14.7°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 (14.7°F).

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Average pressure in January
Westford, NY

Average pressure in January - Westford, NY
  • 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
Westford, NY

Average wind speed in January - Westford, NY
  • Average wind speed in January: 9.8mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity in January
Westford, NY

Average humidity in January - Westford, NY
  • Average humidity in January: 87%

The month with the highest relative humidity is February (88%).
Months with the lowest relative humidity are April, May and July (79%).

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Average rainfall in January
Westford, NY

Average rainfall in January - Westford, NY
  • Average rainfall in January: 2.44"

The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is September (2.09").

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Average rainfall days in January
Westford, NY

Average rainfall days in January - Westford, NY
  • Average rainfall days in January: 8.1 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (7.8 days).

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Average snowfall in January
Westford, NY

Average snowfall in January - Westford, NY
  • Average snowfall in January: 9.41"

The month with the highest snowfall is January (9.41").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Westford, NY

Average snowfall days in January - Westford, NY
  • Average snowfall days in January: 19 days

The month with the highest number of snowfall days is January (19 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
Westford, NY

Average daylight in January / Average sunshine in January - Westford, NY
  • Average daylight in January: 9.5h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in January: 3.1h

The month with the most sunshine is July (Average sunshine: 10.1h).
The month with the least sunshine is February (Average sunshine: 2.7h).

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Average sunshine days in January
Westford, NY

Average sunshine days in January - Westford, NY
  • Average sunshine days in January: 6.9 days

The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (5.8 days).

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Average UV index in January
Westford, NY

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

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 1).

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Average cloud cover in January
Westford, NY

Average cloud cover in January - Westford, NY
  • Average cloud cover in January: 71

The month with the most cloud cover is February (Cloud cover 72).
Months with the least cloud cover are July and August (Cloud cover 37).

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Average visibility in January
Westford, NY

Average visibility in January - Westford, NY
  • Average visibility in January: 4mi

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

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