Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
In Westford, January is the coldest month, with temperatures averaging a high of 26.8°F (-2.9°C) and a low of 14.7°F (-9.6°C).Humidity
In Westford, the average relative humidity in January is 87%.Rainfall
In Westford, in January, it is raining for 8.1 days, with typically 2.44" (62mm) of accumulated precipitation. Throughout the year, there are 166.3 rainfall days, and 33.7" (856mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall 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 9h and 28min.On the first day of the month, sunrise is at 7:29 am and sunset at 4:36 pm. On the last day of January, sunrise is at 7:14 am and sunset at 5:10 pm EST.
Sunshine
The average sunshine in January is 3.1h.UV index
January, February, November 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 minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, the maximum UV index of 1 suggests these recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is January?
What is the average humidity in January?
How much does it rain in January?
When does it snow the most?
How many days does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Westford have in January?
What is the month with the lowest UV index in Westford?
What is the UV index reading in January?
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).
Average pressure in January
Westford, NY
- Average pressure in January: 30.05"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
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).
Average humidity in January
Westford, NY
- Average humidity in January: 87%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, May and July (79%).
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").
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).
Average snowfall in January
Westford, NY
- Average snowfall in January: 9.41"
The month with the highest snowfall is January (9.41").
The months with the least snowfall are June, July, August and September (0").
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).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Westford, NY
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 3h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
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).
Average UV index in January
Westford, NY
- Average UV index in January: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
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).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in January
Westford, NY
- Average visibility in January: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Westford, New York, USA
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