January weather forecastWilmington, MA
January
Weather in January
January, the same as December, is another cold winter month in Wilmington, Massachusetts, with temperature in the range of an average low of 21.6°F (-5.8°C) and an average high of 33.1°F (0.6°C).Temperature
January is the coldest month of the year, registering average temperatures as high as 33.1°F (0.6°C) and as low as 21.6°F (-5.8°C).Humidity
In January, the average relative humidity is 77%.Rainfall
In Wilmington, during January, the rain falls for 7.4 days and regularly aggregates up to 2.2" (56mm) of precipitation. In Wilmington, during the entire year, the rain falls for 138.8 days and collects up to 26.85" (682mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Wilmington, in January, during 7.5 snowfall days, 3.03" (77mm) of snow is typically accumulated. Throughout the year, there are 30.6 snowfall days, and 18.86" (479mm) of snow is accumulated.Daylight
In Wilmington, the average length of the day in January is 9h and 29min.On the first day of the month, sunrise is at 7:14 am and sunset at 4:21 pm. On the last day of January, sunrise is at 6:59 am and sunset at 4:56 pm EST.
Sunshine
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. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 2 in January leads to these recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. When the Sun is at its strongest around midday, find shade and limit exposure. Enhance your sun protection with tightly woven, yet airy clothing. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Wilmington, MA
- Average high temperature in January: 33.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in January: 21.6°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in January
Wilmington, MA
- Average pressure in January: 30.01"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Wilmington, MA
- Average wind speed in January: 9.4mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in January
Wilmington, MA
- Average humidity in January: 77%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (69%).
Average rainfall in January
Wilmington, MA
- Average rainfall in January: 2.2"
The wettest month (with the highest rainfall) is December (2.87").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in January
Wilmington, MA
- Average rainfall days in January: 7.4 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in January
Wilmington, MA
- Average snowfall in January: 3.03"
The month with the highest snowfall is February (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Wilmington, MA
- Average snowfall days in January: 7.5 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Wilmington, MA
- Average daylight in January: 9h and 30min
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: 5h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in January
Wilmington, MA
- Average sunshine days in January: 17.6 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is April (13.3 days).
Average UV index in January
Wilmington, MA
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Wilmington, MA
- Average cloud cover in January: 46
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Wilmington, MA
- Average visibility in January: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
