December weather forecast
Leesburg, IN

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Weather in December

The first month of the winter, December, is also a wintry month in Leesburg, Indiana, with an average temperature fluctuating between 26.1°F (-3.3°C) and 36°F (2.2°C).

Temperature

With the onset of December, Leesburg experiences a modest temperature adjustment, with the average high-temperature receding from a frosty 46.8°F (8.2°C) in November to a cold 36°F (2.2°C). Leesburg experiences a mean temperature of 26.1°F (-3.3°C) during December nights.

Humidity

The average relative humidity in December is 84%.

Rainfall

The month with the least rainfall is December, when the rain falls for 10.2 days and typically collects 1.5" (38mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 12.3 days. Throughout December, 2.4" (61mm) of snow is accumulated. Throughout the year, there are 54.5 snowfall days, and 14.33" (364mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 7:50 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 8:09 am and sunset at 5:24 pm EST.

Sunshine

The average sunshine in December is 3.8h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: In December, a regular UV index of 1 translates into these guidelines:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

In Leesburg, in December, the average high-temperature is 36°F (2.2°C), and the average low-temperature is 26.1°F (-3.3°C).

What is the average humidity in December?

In Leesburg, the average relative humidity in December is 84%.

What is the driest month?

The month with the least rainfall in Leesburg, Indiana, is December, when the rain falls for 10.2 days and typically collects 1.5" (38mm) of precipitation.

How much does it rain in December?

In Leesburg, in December, during 10.2 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

How many days does it snow in December?

In December, it is snowing for 12.3 days. Throughout December, 2.4" (61mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

How many hours of daylight does Leesburg have in December?

In Leesburg, Indiana, the average day length in December is 9h and 15min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:50 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 8:09 am and sunset at 5:24 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 3.8h.

When is the lowest UV index in Leesburg?

December is the month with the lowest UV index, with an average maximum UV index of 1.

What is the UV index reading in December?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Leesburg, IN

Average temperature in December - Leesburg, IN
  • Average high temperature in December: 36°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in December: 26.1°F

The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

Average pressure in December
Leesburg, IN

Average pressure in December - Leesburg, IN
  • Average pressure in December: 30.1"Hg

The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Leesburg, IN

Average wind speed in December - Leesburg, IN
  • Average wind speed in December: 9.7mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in December
Leesburg, IN

Average humidity in December - Leesburg, IN
  • Average humidity in December: 84%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (76%).

Average rainfall in December
Leesburg, IN

Average rainfall in December - Leesburg, IN
  • Average rainfall in December: 1.5"

The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is December (1.5").

Average rainfall days in December
Leesburg, IN

Average rainfall days in December - Leesburg, IN
  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in December
Leesburg, IN

Average snowfall in December - Leesburg, IN
  • Average snowfall in December: 2.4"

The month with the highest snowfall is February (3.54").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Leesburg, IN

Average snowfall days in December - Leesburg, IN
  • Average snowfall days in December: 12.3 days

The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Leesburg, IN

Average daylight in December / Average sunshine in December - Leesburg, IN
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 3h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in December
Leesburg, IN

Average sunshine days in December - Leesburg, IN
  • Average sunshine days in December: 12 days

The month with the most sunshine days is November (15.3 days).
The months with the least sunshine days are February and June (9.3 days).

Average UV index in December
Leesburg, IN

Average UV index in December - Leesburg, IN
  • Average UV index in December: 1

The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Leesburg, IN

Average cloud cover in December - Leesburg, IN
  • Average cloud cover in December: 61

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in December
Leesburg, IN

Average visibility in December - Leesburg, IN
  • Average visibility in December: 6mi

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

Leesburg, Indiana, USA

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