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
Greendale's progression into December involves a drop in the average high-temperature, receding from a cool 51.3°F (10.7°C) in November to an icy 41.2°F (5.1°C). During December, Greendale's temperature falls to a steady low-temperature average of 30.4°F (-0.9°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 81%.Rainfall
In Greendale, in December, during 11.2 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. In Greendale, during the entire year, the rain falls for 157.3 days and collects up to 26.81" (681mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Greendale, during December, snow falls for 7.5 days and regularly aggregates up to 1.54" (39mm) of snow. Throughout the year, there are 32.4 snowfall days, and 7.87" (200mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:40 am and sunset at 5:17 pm. On the last day of December, in Greendale, sunrise is at 7:58 am and sunset at 5:27 pm EST.
Sunshine
In December, the average sunshine is 4.1h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 1 in December transforms into the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
How cold does it get in Greendale in December?
What are the most humid months in Greendale?
What is the average humidity in December in Greendale?
How much does it rain in Greendale in December?
How much does it snow in Greendale in December?
What is the month with the shortest days in Greendale?
What is the average length of the day in December in Greendale?
What time are sunrise and sunset in December in Greendale?
How many hours of sunshine does Greendale have in December?
When is the lowest UV index in Greendale?
What is the UV index reading in December in Greendale?
Average temperature in December
Greendale, IN
- Average high temperature in December: 41.2°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in December: 30.4°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Greendale, IN
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Greendale, IN
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).
Average humidity in December
Greendale, IN
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are September and October (75%).
Average rainfall in December
Greendale, IN
- Average rainfall in December: 2.13"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Greendale, IN
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (8.7 days).
Average snowfall in December
Greendale, IN
- Average snowfall in December: 1.54"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Greendale, IN
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Greendale, IN
- Average daylight in December: 9h and 3min
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 30min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Greendale, IN
- Average sunshine days in December: 13.4 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in December
Greendale, IN
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Greendale, IN
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Greendale, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Greendale, Indiana, USA
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