January weather forecast
Thornton, KY

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Weather in January

January, like December, in Thornton, Kentucky, is an icy winter month, with an average temperature ranging between min 26.4°F (-3.1°C) and max 40.1°F (4.5°C).

Temperature

With average temperatures fluctuating between a high of 40.1°F (4.5°C) and a low of 26.4°F (-3.1°C), January stands out as the coldest month.

Humidity

In Thornton, the average relative humidity in January is 80%.

Rainfall

In Thornton, during January, the rain falls for 12.9 days and regularly aggregates up to 3.19" (81mm) of precipitation. Throughout the year, in Thornton, there are 195.8 rainfall days, and 40.35" (1025mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Thornton. The month with the most snowfall in Thornton is January, when snow falls for 11.1 days and typically aggregates up to 5" (127mm) of snow.

Daylight

In January, the average length of the day is 9h and 57min.
On the first day of January, sunrise is at 7:44 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:54 pm EST.

Sunshine

The month with the least sunshine in Thornton is January, with an average of 4.3h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Thornton. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 2 in January translates into this advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

What are the coldest months in Thornton?

Thornton, Kentucky, experiences its lowest temperatures in January, with an average peak of 40.1°F (4.5°C) and a low of 26.4°F (-3.1°C).

Is it cold in Thornton during January?

The high-temperature, in January, in Thornton, records 40.1°F (4.5°C), while the low-temperature is 26.4°F (-3.1°C).

What is the average humidity in January in Thornton?

In January, the average relative humidity in Thornton, Kentucky, is 80%.

How many days does it rain in January in Thornton?

In Thornton, during January, the rain falls for 12.9 days and regularly aggregates up to 3.19" (81mm) of precipitation.

What is the snowiest month in Thornton?

The month with the most snowfall in Thornton is January, when snow falls for 11.1 days and typically aggregates up to 5" (127mm) of snow.

How much does it snow in Thornton in January?

In Thornton, in January, during 11.1 snowfall days, 5" (127mm) of snow is typically accumulated.

How many hours of daylight does Thornton have in January?

In January, the average day length in Thornton, Kentucky, is 9h and 57min.

What time are sunrise and sunset in January in Thornton?

In January, on the first day of the month, sunrise is at 7:44 am and sunset at 5:24 pm. On the last day of the month, in Thornton, Kentucky, sunrise is at 7:34 am and sunset at 5:54 pm EST.

What is the month with the least sunshine in Thornton?

January has the least sunshine of the year in Thornton, with an average of 4.3h of sunshine.

How many hours of sunshine does Thornton have in January?

In January, the average sunshine duration in Thornton, Kentucky, is 4.3h.

What are the months with the lowest UV index in Thornton?

The months with the lowest UV index in Thornton, Kentucky, are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in January in Thornton?

In Thornton, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Thornton, KY

Average temperature in January - Thornton, KY
  • Average high temperature in January: 40.1°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in January: 26.4°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).

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Average pressure in January
Thornton, KY

Average pressure in January - Thornton, KY
  • Average pressure in January: 30.16"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

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Average wind speed in January
Thornton, KY

Average wind speed in January - Thornton, KY
  • Average wind speed in January: 6.5mph

The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

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Average humidity in January
Thornton, KY

Average humidity in January - Thornton, KY
  • Average humidity in January: 80%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is November (76%).

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Average rainfall in January
Thornton, KY

Average rainfall in January - Thornton, KY
  • Average rainfall in January: 3.19"

The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is September (2.48").

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Average rainfall days in January
Thornton, KY

Average rainfall days in January - Thornton, KY
  • Average rainfall days in January: 12.9 days

The months with the highest number of rainy days are May and July (20.8 days).
The month with the least rainy days is February (12.6 days).

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Average snowfall in January
Thornton, KY

Average snowfall in January - Thornton, KY
  • Average snowfall in January: 5"

The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Thornton, KY

Average snowfall days in January - Thornton, KY
  • Average snowfall days in January: 11.1 days

The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Thornton, KY

Average daylight in January / Average sunshine in January - Thornton, KY
  • Average daylight in January: 10h and 0min

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 42min).

  • Average sunshine in January: 4h and 2min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

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Average sunshine days in January
Thornton, KY

Average sunshine days in January - Thornton, KY
  • Average sunshine days in January: 10.3 days

The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is May (8 days).

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Average UV index in January
Thornton, KY

Average UV index in January - Thornton, KY
  • Average UV index in January: 2

The months with the highest UV index are May, June and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in January
Thornton, KY

Average cloud cover in January - Thornton, KY
  • Average cloud cover in January: 59

The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in January
Thornton, KY

Average visibility in January - Thornton, KY
  • Average visibility in January: 5mi

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

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Thornton, Kentucky, USA

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