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
January, marked by an average high-temperature of 39.7°F (4.3°C) and a low-temperature of 26.6°F (-3°C), is the coldest month.Humidity
The average relative humidity in January in Boston is 78%.Rainfall
In Boston, in January, it is raining for 9.8 days, with typically 2.17" (55mm) of accumulated precipitation. Throughout the year, in Boston, there are 160.2 rainfall days, and 32.32" (821mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Boston, during January, snow falls for 6.5 days and regularly aggregates up to 1.57" (40mm) of snow. Throughout the year, in Boston, there are 24.7 snowfall days, and 7.48" (190mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 54min.On the first day of the month, sunrise is at 7:58 am and sunset at 5:34 pm. On the last day of January, sunrise is at 7:47 am and sunset at 6:04 pm EST.
Sunshine
January and December, with an average of 4.5h of sunshine, are months with the least sunshine in Boston.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 estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, a daily maximum UV index of 2 leads to the following instructions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What part of the year is the coldest in Boston?
How cold does it get in Boston in January?
What is the average humidity in January in Boston?
How much does it rain in Boston in January?
How many days does it snow in January in Boston?
What is the average length of the day in January in Boston?
When is the sunrise / sunset in January in Boston?
What is the month with the least sunshine in Boston?
How many hours of sunshine does Boston have in January?
What is the month with the lowest UV index in Boston?
How high is the UV index in January in Boston?
Average temperature in January
Boston, KY
- Average high temperature in January: 39.7°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in January: 26.6°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in January
Boston, KY
- Average pressure in January: 30.15"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Boston, KY
- Average wind speed in January: 8.1mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in January
Boston, KY
- Average humidity in January: 78%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August, September and October (74%).
Average rainfall in January
Boston, KY
- Average rainfall in January: 2.17"
The wettest month (with the highest rainfall) is April (3.46").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in January
Boston, KY
- Average rainfall days in January: 9.8 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in January
Boston, KY
- Average snowfall in January: 1.57"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Boston, KY
- Average snowfall days in January: 6.5 days
The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Boston, KY
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 4h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 30min).
Average sunshine days in January
Boston, KY
- Average sunshine days in January: 15.3 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in January
Boston, KY
- 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, KY
- Average cloud cover in January: 56
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in January
Boston, KY
- Average visibility in January: 5mi
The months with the highest visibility are March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and May (5mi).
Boston, Kentucky, USA
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