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 Boston, January is the coldest month, with temperatures averaging a high of 41.4°F (5.2°C) and a low of 26.1°F (-3.3°C).Humidity
In Boston, the average relative humidity in January is 73%.Rainfall
In Boston, Virginia, in January, during 8.3 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. Throughout the year, in Boston, there are 144.4 rainfall days, and 25.08" (637mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, November and December. January is the month with the most snowfall. Snow falls for 4.8 days and accumulates 2.36" (60mm) of snow.Daylight
The average length of the day in January is 9h and 50min.On the first day of January, sunrise is at 7:29 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:32 pm EST.
Sunshine
In January, the average sunshine is 5.4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. 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, the maximum UV index of 2 suggests this advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Boston?
How cold is January in Boston?
What is the average humidity in January in Boston?
How much does it rain in Boston in January?
What is the snowiest month in Boston?
How many days does it snow in January in Boston?
How many hours of daylight does Boston have in January?
When are sunrise and sunset in January in Boston?
How many hours of sunshine does Boston have in January?
What is the month with the lowest UV index in Boston?
What is the UV index intensity in January in Boston?
Average temperature in January
Boston, VA
- Average high temperature in January: 41.4°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (41.4°F).
- Average low temperature in January: 26.1°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in January
Boston, VA
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Boston, VA
- Average wind speed in January: 6.1mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in January
Boston, VA
- Average humidity in January: 73%
The months with the highest relative humidity are October and December (77%).
The month with the lowest relative humidity is July (72%).
Average rainfall in January
Boston, VA
- Average rainfall in January: 1.54"
The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is February (1.46").
Average rainfall days in January
Boston, VA
- Average rainfall days in January: 8.3 days
The month with the highest number of rainy days is May (16.1 days).
The months with the least rainy days are January and November (8.3 days).
Average snowfall in January
Boston, VA
- Average snowfall in January: 2.36"
The month with the highest snowfall is January (2.36").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Boston, VA
- Average snowfall days in January: 4.8 days
The months with the highest number of snowfall days are January and February (4.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Boston, VA
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in January
Boston, VA
- Average sunshine days in January: 18.1 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in January
Boston, VA
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Boston, VA
- Average cloud cover in January: 42
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in January
Boston, VA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Boston, Virginia, USA
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