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 is the coldest month, exhibiting average temperatures of 39.7°F (4.3°C) at the peak and 26.6°F (-3°C) at the base.Humidity
In January, the average relative humidity 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, 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, Kentucky, in January, during 6.5 snowfall days, 1.57" (40mm) of snow is typically accumulated. Throughout the year, there are 24.7 snowfall days, and 7.48" (190mm) of snow is accumulated.Daylight
In Boston, the average length of the day in January is 9h and 54min.On the first day of January, sunrise is at 7:58 am and sunset at 5:34 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 6:04 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 4.5h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In January, the maximum UV index of 2 suggests this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Boston?
How cold is January?
What is the average humidity in January?
How much does it rain in Boston in January?
How much does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
What are the months with the least sunshine?
How long on average sun shines in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
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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