January weather forecast and climate
Boston, KY

January, the same as December, is another cold winter month in Boston, Kentucky, with temperature in the range of an average low of 26.6°F (-3°C) and an average high of 39.7°F (4.3°C).

Temperature

January is the coldest month, with an average high-temperature of 39.7°F (4.3°C) and an average low-temperature of 26.6°F (-3°C).

Humidity

In Boston, Kentucky, the average relative humidity is 78%.

Rainfall

In Boston, Kentucky, during January, the rain falls for 9.8 days and regularly aggregates up to 2.17" (55mm) of precipitation. In Boston, during the entire year, the rain falls for 160.2 days and collects up to 32.32" (821mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Boston. In January, it is snowing for 6.5 days. Throughout January, 1.57" (40mm) of snow is accumulated. In Boston, during the entire year, snow falls for 24.7 days, and aggregates up to 7.48" (190mm) of snow.

Daylight

In Boston, Kentucky, the average length of the day in January is 9.9h.

Sunshine

Months with the least sunshine are January and December, with an average of 4.5h of sunshine.

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 unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 2 in January interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the coldest month in Boston?

The coldest month in Boston, Kentucky, is January, with an average high-temperature of 39.7°F (4.3°C) and an average low-temperature of 26.6°F (-3°C).

What is the temperature in January in Boston?

In Boston, in January, the average high-temperature is 39.7°F (4.3°C), and the average low-temperature is 26.6°F (-3°C).

What is the average humidity in January in Boston?

The average relative humidity in January in Boston is 78%.

How many days does it rain in January in Boston?

In Boston, Kentucky, in January, during 9.8 rainfall days, 2.17" (55mm) of precipitation is typically accumulated.

How much does it snow in Boston in January?

In January, in Boston, Kentucky, it is snowing for 6.5 days. Throughout January, 1.57" (40mm) of snow is accumulated.

How many hours of daylight does Boston have in January?

In Boston, Kentucky, the average length of the day in January is 9.9h.

What is the month with the least sunshine in Boston?

January and December, with an average of 4.5h of sunshine, are months with the least sunshine in Boston, Kentucky.

How long on average sun shines in January in Boston?

In January, the average sunshine in Boston, Kentucky, is 4.5h.

What is the month with the lowest UV index in Boston?

Months with the lowest UV index in Boston are January, February, November and December, with an average maximum UV index of 2.

What is the UV index reading in January in Boston?

In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV radiation.
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"

Months with the highest atmospheric pressure are January and November (30.15").
The month with the lowest atmospheric pressure is June (29.95").

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%

Months with the highest relative humidity are February and December (80%).
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").
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).
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: 9.9h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in January: 4.5h

The month with the most sunshine is June (Average sunshine: 10.3h).
Months with the least sunshine are January and December (Average sunshine: 4.5).

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

Months with the highest UV index are May, June, July and August (UV index 6).
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

Months with the highest visibility are March, April, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February and May (5mi).