January weather forecast
Plum, KY

Share

Weather in January

January, like December, in Plum, Kentucky, is a wintry winter month, with an average temperature ranging between min 25.9°F (-3.4°C) and max 39°F (3.9°C).

Temperature

With its high average temperature of 39°F (3.9°C) and a low of 25.9°F (-3.4°C), January is regarded as the coldest month.

Humidity

The average relative humidity in January is 79%.

Rainfall

In January, the rain falls for 10.8 days. Throughout January, 2.48" (63mm) of precipitation is accumulated. In Plum, Kentucky, during the entire year, the rain falls for 169.6 days and collects up to 35.67" (906mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In January, it is snowing for 10.2 days. Throughout January, 2.99" (76mm) of snow is accumulated. Throughout the year, there are 37.8 snowfall days, and 12.72" (323mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 52min.
On the first day of the month, sunrise is at 7:52 am and sunset at 5:26 pm. On the last day of January, sunrise is at 7:41 am and sunset at 5:57 pm EST.

Sunshine

With an average of 3.9h of sunshine, January has the least sunshine of the year.

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 reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 2 in January interprets into the following advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in Plum?

January is the month when Plum sees the average lowest temperatures, with a high of 39°F (3.9°C) and a low of 25.9°F (-3.4°C).

How cold is January in Plum?

During January, Plum experiences an average high-temperature of 39°F (3.9°C) and a low-temperature of 25.9°F (-3.4°C).

What is the average humidity in January?

In Plum, the average relative humidity in January is 79%.

How many days does it rain in January?

In Plum, in January, it is raining for 10.8 days, with typically 2.48" (63mm) of accumulated precipitation.

How much does it snow in January?

In Plum, during January, snow falls for 10.2 days and regularly aggregates up to 2.99" (76mm) of snow.

What is the average length of the day in January?

In Plum, the average day length in January is 9h and 52min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:52 am and sunset at 5:26 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:57 pm EST.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 3.9h of sunshine.

How long on average sun shines in January?

In Plum, the average sunshine duration in January is 3.9h.

When is the lowest UV index?

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

What is the UV index intensity in January in Plum?

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

Average temperature in January - Plum, KY
  • Average high temperature in January: 39°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in January: 25.9°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).

Average pressure in January
Plum, KY

Average pressure in January - Plum, 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 (29.96"Hg).

Average wind speed in January
Plum, KY

Average wind speed in January - Plum, KY
  • Average wind speed in January: 8.2mph

The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in January
Plum, KY

Average humidity in January - Plum, KY
  • Average humidity in January: 79%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (75%).

Average rainfall in January
Plum, KY

Average rainfall in January - Plum, KY
  • Average rainfall in January: 2.48"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (2.17").

Average rainfall days in January
Plum, KY

Average rainfall days in January - Plum, KY
  • Average rainfall days in January: 10.8 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (9.9 days).

Average snowfall in January
Plum, KY

Average snowfall in January - Plum, KY
  • Average snowfall in January: 2.99"

The month with the highest snowfall is February (3.07").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Plum, KY

Average snowfall days in January - Plum, KY
  • Average snowfall days in January: 10.2 days

The month with the highest number of snowfall days is January (10.2 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
Plum, KY

Average daylight in January / Average sunshine in January - Plum, KY
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in January
Plum, KY

Average sunshine days in January - Plum, KY
  • Average sunshine days in January: 11.7 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is February (9.4 days).

Average UV index in January
Plum, KY

Average UV index in January - Plum, 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
Plum, KY

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

The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in January
Plum, KY

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

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

Plum, Kentucky, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location