Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Grovertown's weather changes with the onset of December, slightly falling from a chilly 46.9°F (8.3°C) in November to a wintry 35.6°F (2°C). In the month of December, the temperature in Grovertown generally rests at an average low of 26.4°F (-3.1°C).Humidity
In December, the average relative humidity is 83%.Rainfall
The months with the least rainfall are January, February and December Rain falls for 7.4 days and accumulates 0.91" (23mm) of rain.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 11.2 days. Throughout December, 1.61" (41mm) of snow is accumulated. Throughout the year, there are 51.1 snowfall days, and 10.08" (256mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 6:53 am and sunset at 4:17 pm. On the last day of December, sunrise is at 7:11 am and sunset at 4:26 pm CST.
Sunshine
In Grovertown, Indiana, the average sunshine in December is 3.5h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, a daily UV index of 1 turns into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
What is the driest month?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Grovertown have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Grovertown have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Grovertown, IN
- Average high temperature in December: 35.6°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: 26.4°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 (18.9°F).
Average pressure in December
Grovertown, IN
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Grovertown, 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
Grovertown, IN
- Average humidity in December: 83%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Grovertown, IN
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is June (2.68").
The driest months (with the least rainfall) are January, February and December (0.91").
Average rainfall days in December
Grovertown, IN
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in December
Grovertown, IN
- Average snowfall in December: 1.61"
The month with the highest snowfall is January (2.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Grovertown, IN
- Average snowfall days in December: 11.2 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grovertown, IN
- Average daylight in December: 9h and 1min
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 12min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Grovertown, IN
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is November (15.7 days).
The month with the least sunshine days is February (11.3 days).
Average UV index in December
Grovertown, IN
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Grovertown, IN
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in December
Grovertown, 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).
Grovertown, Indiana, USA
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