December weather forecastLeesburg, IN
December
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 9h and 18min
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 48min
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: 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: 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: 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: 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).
