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
Billerica notes the coldest temperatures in January, with a high average of 32.5°F (0.3°C) and a low of 19.9°F (-6.7°C).Humidity
In January, the average relative humidity in Billerica is 78%.Rainfall
In Billerica, in January, it is raining for 8 days, with typically 2.2" (56mm) of accumulated precipitation. Throughout the year, in Billerica, there are 145.9 rainfall days, and 27.48" (698mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Billerica, in January, snow falls for 8.2 days, with typically accumulated 4.06" (103mm) of snow. In Billerica, during the entire year, snow falls for 32.6 days and aggregates up to 21.61" (549mm) of snow.Daylight
The average length of the day in January in Billerica is 9h and 29min.On the first day of January in Billerica, sunrise is at 7:14 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 4:56 pm EST.
Sunshine
The average sunshine in January is 5.2h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: In January, an average UV index of 2 transforms into the following instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
What time of the year is the coldest in Billerica?
How cold is January in Billerica?
What is the average humidity in January in Billerica?
How much does it rain in Billerica in January?
How much does it snow in Billerica in January?
How many hours of daylight does Billerica have in January?
What time are sunrise and sunset in January in Billerica?
How long on average sun shines in January in Billerica?
When is the lowest UV index in Billerica?
How high is the UV index in January in Billerica?
Average temperature in January
Billerica, MA
- Average high temperature in January: 32.5°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in January: 19.9°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in January
Billerica, 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
Billerica, MA
- Average wind speed in January: 8.8mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in January
Billerica, MA
- Average humidity in January: 78%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (70%).
Average rainfall in January
Billerica, 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 (1.46").
Average rainfall days in January
Billerica, MA
- Average rainfall days in January: 8 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in January
Billerica, MA
- Average snowfall in January: 4.06"
The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Billerica, MA
- Average snowfall days in January: 8.2 days
The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Billerica, MA
- 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: 5h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in January
Billerica, MA
- Average sunshine days in January: 17.2 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (13.6 days).
Average UV index in January
Billerica, 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
Billerica, MA
- Average cloud cover in January: 44
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Billerica, 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).
Billerica, Massachusetts, USA
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