December weather forecast
Lexington, IN

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Weather in December

The first month of the winter, December, is still a cold month in Lexington, Indiana, with an average temperature fluctuating between 42.6°F (5.9°C) and 30.9°F (-0.6°C).

Temperature

Onset of December witnesses a reduction in the average high-temperature, falling from a fresh 52.2°F (11.2°C) in November to a cold 42.6°F (5.9°C). Lexington's December nights cool down to an average low-temperature of 30.9°F (-0.6°C).

Humidity

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

Rainfall

In Lexington, during December, the rain falls for 11.9 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, there are 163.7 rainfall days, and 31.77" (807mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Lexington, in December, snow falls for 7 days, with typically accumulated 1.57" (40mm) of snow. Throughout the year, there are 33 snowfall days, and 8.78" (223mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:42 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:31 pm EST.

Sunshine

January and December, with an average of 4.3h of sunshine, are months with the least sunshine in Lexington.

UV index

The months with the lowest UV index in Lexington are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Boost your sun resistance with garments that are densely woven yet spacious. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is December cold?

In December, in Lexington, the average high-temperature is 42.6°F (5.9°C), and the average low-temperature is 30.9°F (-0.6°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is appraised at 95°F (35°C).

What are the most humid months?

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

What is the average humidity in December?

The average relative humidity in December is 81%.

How many days does it rain in December in Lexington?

In Lexington, in December, during 11.9 rainfall days, 2.4" (61mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Lexington, during December, snow falls for 7 days and regularly aggregates up to 1.57" (40mm) of snow.

What is the month with the shortest days?

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

What is the average length of the day in December?

The average day length in December in Lexington is 9h and 31min.

When are sunrise and sunset in December in Lexington?

In December, on the first day of the month, sunrise is at 7:42 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:31 pm EST.

What are the months with the least sunshine?

January and December, with an average of 4.3h of sunshine, are months with the least sunshine.

How many hours of sunshine does Lexington have in December?

In Lexington, the average sunshine duration in December is 4.3h.

When is the lowest UV index?

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

What is the UV index intensity in December?

In Lexington, the average daily maximum UV index in December 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
Lexington, IN

Average temperature in December - Lexington, IN
  • Average high temperature in December: 42.6°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 (37.2°F).

  • Average low temperature in December: 30.9°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in December
Lexington, IN

Average pressure in December - Lexington, IN
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Lexington, IN

Average wind speed in December - Lexington, IN
  • Average wind speed in December: 7.4mph

The windiest months (with the highest average wind speed) are January and February (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).

Average humidity in December
Lexington, IN

Average humidity in December - Lexington, IN
  • Average humidity in December: 81%

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (74%).

Average rainfall in December
Lexington, IN

Average rainfall in December - Lexington, IN
  • Average rainfall in December: 2.4"

The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days in December
Lexington, IN

Average rainfall days in December - Lexington, IN
  • Average rainfall days in December: 11.9 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (9.5 days).

Average snowfall in December
Lexington, IN

Average snowfall in December - Lexington, IN
  • Average snowfall in December: 1.57"

The month with the highest snowfall is February (2.72").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Lexington, IN

Average snowfall days in December - Lexington, IN
  • Average snowfall days in December: 7 days

The month with the highest number of snowfall days is January (9.4 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
Lexington, IN

Average daylight in December / Average sunshine in December - Lexington, IN
  • 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 18min).

Average sunshine days in December
Lexington, IN

Average sunshine days in December - Lexington, IN
  • Average sunshine days in December: 13.7 days

The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is May (10 days).

Average UV index in December
Lexington, IN

Average UV index in December - Lexington, IN
  • Average UV index in December: 2

The months with the highest UV index are 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
Lexington, IN

Average cloud cover in December - Lexington, IN
  • Average cloud cover in December: 55

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in December
Lexington, IN

Average visibility in December - Lexington, IN
  • 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).

Lexington, Indiana, USA

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