December weather forecast
Gratz, KY

Share

Weather in December

The first month of the winter, December, is also a frosty month in Gratz, Kentucky, with an average temperature varying between 31.1°F (-0.5°C) and 43.7°F (6.5°C).

Temperature

December involves a decrease in temperature, down from a fresh 52.7°F (11.5°C) in November to a frosty 43.7°F (6.5°C). During December nights, Gratz records an average temperature of 31.1°F (-0.5°C).

Humidity

February and December, with an average relative humidity of 81%, are the most humid months.

Rainfall

In Gratz, in December, it is raining for 12.3 days, with typically 3.27" (83mm) of accumulated precipitation. In Gratz, during the entire year, the rain falls for 168.6 days and collects up to 36.81" (935mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Gratz, Kentucky. In December, in Gratz, it is snowing for 7.3 days. Throughout December, 1.81" (46mm) of snow is accumulated. In Gratz, Kentucky, during the entire year, snow falls for 31.6 days and aggregates up to 10.94" (278mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:38 am and sunset at 5:19 pm. On the last day of December, sunrise is at 7:57 am and sunset at 5:29 pm EST.

Sunshine

In December, the average sunshine in Gratz is 4.2h.

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 threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Gratz?

In Gratz, in December, the average high-temperature is 43.7°F (6.5°C), and the average low-temperature is 31.1°F (-0.5°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is computed to be 93.2°F (34°C).

What is the most humid month in Gratz?

The months with the highest humidity in Gratz are February and December, with an average relative humidity of 81%.

What is the average humidity in December in Gratz?

The average relative humidity in December in Gratz is 81%.

How much does it rain in Gratz in December?

In December, in Gratz, the rain falls for 12.3 days. Throughout December, 3.27" (83mm) of precipitation is accumulated.

How many days does it snow in December in Gratz?

In Gratz, Kentucky, in December, snow falls for 7.3 days, with typically accumulated 1.81" (46mm) of snow.

What is the month with the shortest days in Gratz?

December has the shortest days of the year, with an average of 9h and 30min of daylight.

How many hours of daylight does Gratz have in December?

In Gratz, Kentucky, the average day length in December is 9h and 32min.

When is the sunrise / sunset in December in Gratz?

On the first day of December, sunrise is at 7:38 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 5:29 pm EST.

How long on average sun shines in December in Gratz?

The average sunshine duration in December in Gratz is 4.2h.

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

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

What is the UV index reading in December in Gratz?

The average daily maximum UV index in December in Gratz is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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 December
Gratz, KY

Average temperature in December - Gratz, KY
  • Average high temperature in December: 43.7°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in December: 31.1°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in December
Gratz, KY

Average pressure in December - Gratz, KY
  • Average pressure in December: 30.13"Hg

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

Average wind speed in December
Gratz, KY

Average wind speed in December - Gratz, KY
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

Average humidity in December
Gratz, KY

Average humidity in December - Gratz, KY
  • Average humidity in December: 81%

The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August, September and October (75%).

Average rainfall in December
Gratz, KY

Average rainfall in December - Gratz, KY
  • Average rainfall in December: 3.27"

The wettest month (with the highest rainfall) is April (3.98").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in December
Gratz, KY

Average rainfall days in December - Gratz, KY
  • Average rainfall days in December: 12.3 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is November (10.5 days).

Average snowfall in December
Gratz, KY

Average snowfall in December - Gratz, KY
  • Average snowfall in December: 1.81"

The month with the highest snowfall is February (2.99").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Gratz, KY

Average snowfall days in December - Gratz, KY
  • Average snowfall days in December: 7.3 days

The month with the highest number of snowfall days is January (8.8 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
Gratz, KY

Average daylight in December / Average sunshine in December - Gratz, KY
  • Average daylight in December: 9h and 3min

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 30min).

  • Average sunshine in December: 4h and 1min

The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in December
Gratz, KY

Average sunshine days in December - Gratz, KY
  • Average sunshine days in December: 13 days

The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in December
Gratz, KY

Average UV index in December - Gratz, 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, November and December (UV index 2).

Average cloud cover in December
Gratz, KY

Average cloud cover in December - Gratz, KY
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December
Gratz, KY

Average visibility in December - Gratz, KY
  • Average visibility in December: 5mi

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

Gratz, Kentucky, USA

Weather forecast for your location

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