January weather forecast
Jackson, KY

Weather in January

January, like December, in Jackson, Kentucky, is a wintry winter month, with temperature in the range of an average high of 40.3°F (4.6°C) and an average low of 27°F (-2.8°C).

Temperature

With an average high-temperature of 40.3°F (4.6°C) and an average low-temperature of 27°F (-2.8°C), January is the coldest month.

Humidity

In January, the average relative humidity is 78%.

Rainfall

In January, the rain falls for 12.7 days. Throughout January, 2.72" (69mm) of precipitation is accumulated. In Jackson, during the entire year, the rain falls for 178 days and collects up to 35.47" (901mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Jackson, during January, snow falls for 11.7 days and regularly aggregates up to 3.86" (98mm) of snow. In Jackson, during the entire year, snow falls for 39.8 days and aggregates up to 17.32" (440mm) of snow.

Daylight

In January, the average length of the day is 9h and 55min.
On the first day of the month, sunrise is at 7:48 am and sunset at 5:26 pm. On the last day of January, in Jackson, sunrise is at 7:37 am and sunset at 5:56 pm EST.

Sunshine

The month with the least sunshine is January, with an average of 4.1h of sunshine.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Jackson. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In January, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Jackson?

The coldest month is January, with an average high-temperature of 40.3°F (4.6°C) and an average low-temperature of 27°F (-2.8°C).

What is the average humidity in January in Jackson?

In Jackson, the average relative humidity in January is 78%.

How many days does it rain in January in Jackson?

In Jackson, Kentucky, in January, it is raining for 12.7 days, with typically 2.72" (69mm) of accumulated precipitation.

How many days does it snow in January in Jackson?

In Jackson, during January, snow falls for 11.7 days and regularly aggregates up to 3.86" (98mm) of snow.

How many hours of daylight does Jackson have in January?

In Jackson, Kentucky, the average day length in January is 9h and 55min.

When are sunrise and sunset in January in Jackson?

On the first day of January in Jackson, sunrise is at 7:48 am and sunset at 5:26 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:56 pm EST.

What is the month with the least sunshine in Jackson?

January has the least sunshine of the year in Jackson, with an average of 4.1h of sunshine.

How long on average sun shines in January in Jackson?

In Jackson, the average sunshine duration in January is 4.1h.

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

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

What is the UV index reading in January in Jackson?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Jackson, KY

Average temperature in January - Jackson, KY
  • Average high temperature in January: 40.3°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 (40.3°F).

  • Average low temperature in January: 27°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (27°F).

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Average pressure in January
Jackson, KY

Average pressure in January - Jackson, 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 (29.98"Hg).

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Average wind speed in January
Jackson, KY

Average wind speed in January - Jackson, KY
  • Average wind speed in January: 6.9mph

The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in January
Jackson, KY

Average humidity in January - Jackson, KY
  • Average humidity in January: 78%

The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are August and November (74%).

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Average rainfall in January
Jackson, KY

Average rainfall in January - Jackson, KY
  • Average rainfall in January: 2.72"

The wettest month (with the highest rainfall) is February (3.9").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in January
Jackson, KY

Average rainfall days in January - Jackson, KY
  • Average rainfall days in January: 12.7 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (11.5 days).

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Average snowfall in January
Jackson, KY

Average snowfall in January - Jackson, KY
  • Average snowfall in January: 3.86"

The month with the highest snowfall is February (4.8").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Jackson, KY

Average snowfall days in January - Jackson, KY
  • Average snowfall days in January: 11.7 days

The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Jackson, KY
  • Average daylight in January: 9h and 55min

The month with the longest days is June (Average daylight: 14h and 43min).
The month with the shortest days is December (Average daylight: 9h and 37min).

  • Average sunshine in January: 4h and 6min

The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in January
Jackson, KY

Average sunshine days in January - Jackson, KY
  • Average sunshine days in January: 10.8 days

The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is February (9 days).

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Average UV index in January
Jackson, KY

Average UV index in January - Jackson, 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 and December (UV index 2).

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Average cloud cover in January
Jackson, KY

Average cloud cover in January - Jackson, KY
  • Average cloud cover in January: 58

The months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in January
Jackson, KY

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

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

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