December weather forecast
Spring Grove, KY

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Weather in December

December, the first month of the winter in Spring Grove, is still a chilly month, with temperature in the range of an average high of 44.6°F (7°C) and an average low of 32.9°F (0.5°C).

Temperature

December's arrival correlates with a reduction in the average high-temperature, down from a cool 54.1°F (12.3°C) in November to a chilly 44.6°F (7°C). An average nighttime temperature of 32.9°F (0.5°C) is witnessed throughout December.

Humidity

In December, the average relative humidity is 78%.

Rainfall

In Spring Grove, during December, the rain falls for 10.4 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Spring Grove, during the entire year, the rain falls for 146.3 days and collects up to 24.96" (634mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Spring Grove, in December, snow falls for 3.5 days, with typically accumulated 0.63" (16mm) of snow. In Spring Grove, during the entire year, snow falls for 15.9 days and aggregates up to 3.58" (91mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 36min of daylight.
On the first day of December in Spring Grove, sunrise is at 6:49 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 4:43 pm CST.

Sunshine

In Spring Grove, the average sunshine in December is 4.7h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Spring Grove. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: A typical high UV index of 2 in December suggests the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in December?

December temperatures vary between a high-temperature of 44.6°F (7°C) and a low-temperature of 32.9°F (0.5°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is estimated at 95°F (35°C).

What is the average humidity in December?

The average relative humidity in December is 78%.

How much does it rain in December?

In Spring Grove, in December, during 10.4 rainfall days, 2.05" (52mm) of precipitation is typically accumulated.

How much does it snow in December?

In December, it is snowing for 3.5 days. Throughout December, 0.63" (16mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year in Spring Grove, Kentucky, with an average of 9h and 36min of daylight.

What is the average length of the day in December?

The average day length in December is 9h and 37min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:49 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 4:43 pm CST.

How many hours of sunshine does Spring Grove have in December?

In December, the average sunshine duration is 4.7h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index in Spring Grove is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from 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 December
Spring Grove, KY

Average temperature in December - Spring Grove, KY
  • Average high temperature in December: 44.6°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in December: 32.9°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

Average pressure in December
Spring Grove, KY

Average pressure in December - Spring Grove, KY
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in December
Spring Grove, KY

Average wind speed in December - Spring Grove, KY
  • Average wind speed in December: 9.1mph

The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in December
Spring Grove, KY

Average humidity in December - Spring Grove, KY
  • Average humidity in December: 78%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (70%).

Average rainfall in December
Spring Grove, KY

Average rainfall in December - Spring Grove, KY
  • Average rainfall in December: 2.05"

The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is September (1.14").

Average rainfall days in December
Spring Grove, KY

Average rainfall days in December - Spring Grove, KY
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is November (9 days).

Average snowfall in December
Spring Grove, KY

Average snowfall in December - Spring Grove, KY
  • Average snowfall in December: 0.63"

The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Spring Grove, KY

Average snowfall days in December - Spring Grove, KY
  • Average snowfall days in December: 3.5 days

The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Spring Grove, KY

Average daylight in December / Average sunshine in December - Spring Grove, KY
  • Average daylight in December: 9h and 4min

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 December: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in December
Spring Grove, KY

Average sunshine days in December - Spring Grove, KY
  • Average sunshine days in December: 17.2 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (11.2 days).

Average UV index in December
Spring Grove, KY

Average UV index in December - Spring Grove, KY
  • Average UV index in December: 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).

Average cloud cover in December
Spring Grove, KY

Average cloud cover in December - Spring Grove, KY
  • Average cloud cover in December: 50

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in December
Spring Grove, KY

Average visibility in December - Spring Grove, KY
  • Average visibility in December: 6mi

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

Spring Grove, Kentucky, USA

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