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
Transition into December marks a drop in the average high-temperature, moving from a frosty 47.8°F (8.8°C) in November to a wintry 36.9°F (2.7°C). In December, Greentown's temperature tends to fall to an average low of 27.3°F (-2.6°C) during the night.Humidity
In December, the average relative humidity is 82%.Rainfall
In Greentown, in December, during 6.4 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. Throughout the year, in Greentown, there are 127.3 rainfall days, and 14.37" (365mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Greentown, during December, snow falls for 6.3 days and regularly aggregates up to 1.02" (26mm) of snow. In Greentown, Indiana, during the entire year, snow falls for 31.6 days and aggregates up to 5.59" (142mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:48 am and sunset at 5:17 pm. On the last day of December, in Greentown, sunrise is at 8:07 am and sunset at 5:27 pm EST.
Sunshine
In December, the average sunshine in Greentown is 4h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Greentown in December?
What is the average humidity in December in Greentown?
How much does it rain in Greentown in December?
How much does it snow in Greentown in December?
What is the month with the shortest days in Greentown?
How many hours of daylight does Greentown have in December?
What time are sunrise and sunset in December in Greentown?
How many hours of sunshine does Greentown have in December?
When is the lowest UV index in Greentown?
What is the UV index intensity in December in Greentown?
Average temperature in December
Greentown, IN
- Average high temperature in December: 36.9°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in December
Greentown, IN
- Average pressure in December: 30.11"Hg
The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Greentown, IN
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in December
Greentown, IN
- Average humidity in December: 82%
The months with the highest relative humidity are January, February, July and August (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Greentown, IN
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in December
Greentown, IN
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in December
Greentown, IN
- Average snowfall in December: 1.02"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Greentown, IN
- Average snowfall days in December: 6.3 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Greentown, IN
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Greentown, IN
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in December
Greentown, 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
Greentown, IN
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are June, July and August (Cloud cover 34).
Average visibility in December
Greentown, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Greentown, Indiana, USA
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