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
As December commences, the average high-temperature shows a reduction, transitioning from a frosty 48.2°F (9°C) in November to an icy 37.6°F (3.1°C). Green Hill experiences an average nighttime temperature of 27.1°F (-2.7°C) in the month of December.Humidity
The average relative humidity in December is 81%.Rainfall
In Green Hill, Indiana, during December, the rain falls for 7.4 days and regularly aggregates up to 0.98" (25mm) of precipitation. In Green Hill, during the entire year, the rain falls for 130.9 days and collects up to 18.23" (463mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Green Hill. In December, in Green Hill, it is snowing for 4.7 days. Throughout December, 1.18" (30mm) of snow is accumulated. In Green Hill, during the entire year, snow falls for 28.3 days and aggregates up to 7.36" (187mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:52 am and sunset at 5:22 pm. On the last day of December, in Green Hill, Indiana, sunrise is at 8:11 am and sunset at 5:32 pm EST.
Sunshine
In Green Hill, the average sunshine in December is 4.3h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 1 in December translates into this advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Green Hill in December?
What is the average humidity in December in Green Hill?
How many days does it rain in December in Green Hill?
How many days does it snow in December in Green Hill?
What is the month with the shortest days in Green Hill?
How many hours of daylight does Green Hill have in December?
What time are sunrise and sunset in December in Green Hill?
How long on average sun shines in December in Green Hill?
What is the month with the lowest UV index in Green Hill?
What is the UV index intensity in December in Green Hill?
Average temperature in December
Green Hill, IN
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in December: 27.1°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in December
Green Hill, IN
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Green Hill, IN
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Green Hill, IN
- Average humidity in December: 81%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Green Hill, IN
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is May (2.36").
The driest months (with the least rainfall) are February and November (0.94").
Average rainfall days in December
Green Hill, IN
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (5.1 days).
Average snowfall in December
Green Hill, IN
- Average snowfall in December: 1.18"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Green Hill, IN
- Average snowfall days in December: 4.7 days
The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Green Hill, 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 2min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Green Hill, IN
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is July (11.7 days).
Average UV index in December
Green Hill, IN
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Green Hill, IN
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are June, August and September (Cloud cover 34).
Average visibility in December
Green Hill, 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).
Green Hill, Indiana, USA
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