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 Bolton, January is the coldest month, with temperatures averaging a high of 31.5°F (-0.3°C) and a low of 19.8°F (-6.8°C).Humidity
In January, the average relative humidity in Bolton is 79%.Rainfall
In Bolton, in January, during 8.2 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. In Bolton, during the entire year, the rain falls for 150.4 days and collects up to 28.86" (733mm) of precipitation.Snowfall
Months with snowfall in Bolton are January through May, October through December. In Bolton, Massachusetts, in January, snow falls for 8.7 days, with typically accumulated 4.06" (103mm) of snow. Throughout the year, in Bolton, there are 36.5 snowfall days, and 23.82" (605mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 29min.On the first day of the month, sunrise is at 7:15 am and sunset at 4:23 pm. On the last day of January, in Bolton, sunrise is at 7:01 am and sunset at 4:58 pm EST.
Sunshine
In January, the average sunshine is 5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Bolton. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
What are the coldest months in Bolton?
How cold is January in Bolton?
What is the average humidity in January in Bolton?
How many days does it rain in January in Bolton?
How much does it snow in Bolton in January?
How many hours of daylight does Bolton have in January?
When are sunrise and sunset in January in Bolton?
How many hours of sunshine does Bolton have in January?
What is the month with the lowest UV index in Bolton?
What is the UV index intensity in January in Bolton?
Average temperature in January
Bolton, MA
- Average high temperature in January: 31.5°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in January: 19.8°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in January
Bolton, 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
Bolton, MA
- Average wind speed in January: 8.6mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in January
Bolton, MA
- Average humidity in January: 79%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).
Average rainfall in January
Bolton, MA
- Average rainfall in January: 2.24"
The wettest month (with the highest rainfall) is December (2.91").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in January
Bolton, MA
- Average rainfall days in January: 8.2 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in January
Bolton, MA
- Average snowfall in January: 4.06"
The month with the highest snowfall is February (6.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Bolton, MA
- Average snowfall days in January: 8.7 days
The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Bolton, MA
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 5h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in January
Bolton, MA
- Average sunshine days in January: 16.5 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in January
Bolton, 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
Bolton, MA
- Average cloud cover in January: 45
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in January
Bolton, MA
- Average visibility in January: 5mi
The months with the highest visibility are March, April, October, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August and September (5mi).
Bolton, Massachusetts, USA
Weather forecast for your location
2. Allow the app to use your location
