December weather forecastGreenwood, IN
December
Weather in December
December in Greenwood is enchanting as the landscapes dress up in their winter best. Snowfall increases to about 2.6" (66mm) distributed over roughly 8 days. The temperature drops further from 39.2°F (4°C) to a chilly 28.6°F (-1.9°C) adding to the pictorial beauty of the city. Despite the cold, the festive spirit in the city overpowers the weather and the city illuminates with holiday lights, marking the end of weather cycle in Greenwood.Temperature
Greenwood experiences a temperature shift at the start of December, with average high-temperatures adjusting from a chilly 49.5°F (9.7°C) in November to a wintry 39.2°F (4°C). December in Greenwood is noted for a mean low-temperature of 28.6°F (-1.9°C).Humidity
With an average relative humidity of 82%, December is the most humid month.Rainfall
In December, the rain falls for 10.7 days. Throughout December, 2.17" (55mm) of precipitation is accumulated. Throughout the year, in Greenwood, Indiana, there are 161.8 rainfall days, and 30.55" (776mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Greenwood. In Greenwood, Indiana, in December, during 8.4 snowfall days, 2.6" (66mm) of snow is typically accumulated. In Greenwood, during the entire year, snow falls for 36.4 days and aggregates up to 10.94" (278mm) of snow.Daylight
December has the shortest days of the year in Greenwood, Indiana, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:46 am and sunset at 5:20 pm. On the last day of December, sunrise is at 8:04 am and sunset at 5:30 pm EST.
Sunshine
The average sunshine in December in Greenwood is 4.3h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Greenwood, IN
- Average high temperature in December: 39.2°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in December: 28.6°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 (21.4°F).
Average pressure in December
Greenwood, IN
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Greenwood, IN
- Average wind speed in December: 8.9mph
The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Greenwood, IN
- Average humidity in December: 82%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Greenwood, IN
- Average rainfall in December: 2.17"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is February (1.81").
Average rainfall days in December
Greenwood, IN
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in December
Greenwood, IN
- Average snowfall in December: 2.6"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Greenwood, IN
- Average snowfall days in December: 8.4 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Greenwood, IN
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Greenwood, IN
- Average sunshine days in December: 14.1 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is May (9.5 days).
Average UV index in December
Greenwood, IN
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Greenwood, IN
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Greenwood, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
