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
Gwynneville's progression into December includes a drop in the average high-temperature, from a chilly 49.5°F (9.7°C) in November to an icy 39.2°F (4°C). Throughout December, an average low-temperature of 28.6°F (-1.9°C) is expected in Gwynneville.Humidity
The months with the highest humidity in Gwynneville, Indiana, are January, July and December, with an average relative humidity of 82%.Rainfall
In December, in Gwynneville, the rain falls for 9.3 days. Throughout December, 1.89" (48mm) of precipitation is accumulated. In Gwynneville, during the entire year, the rain falls for 153.4 days and collects up to 26.81" (681mm) of precipitation.Snowfall
Months with snowfall in Gwynneville are January through April, November and December. In Gwynneville, in December, during 6.8 snowfall days, 2.01" (51mm) of snow is typically accumulated. In Gwynneville, Indiana, during the entire year, snow falls for 28.6 days and aggregates up to 9.13" (232mm) of snow.Daylight
December has the shortest days of the year in Gwynneville, Indiana, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:44 am and sunset at 5:18 pm. On the last day of December, sunrise is at 8:03 am and sunset at 5:28 pm EST.
Sunshine
In Gwynneville, the average sunshine in December is 4.2h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Gwynneville, Indiana. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 1 in December translates into this advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need 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. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
Is it cold in Gwynneville during December?
What are the most humid months in Gwynneville?
What is the average humidity in December in Gwynneville?
How much does it rain in Gwynneville in December?
How much does it snow in Gwynneville in December?
What is the month with the shortest days in Gwynneville?
What is the average length of the day in December in Gwynneville?
What time are sunrise and sunset in December in Gwynneville?
How long on average sun shines in December in Gwynneville?
What is the month with the lowest UV index in Gwynneville?
What is the UV index intensity in December in Gwynneville?
Average temperature in December
Gwynneville, IN
- Average high temperature in December: 39.2°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in December
Gwynneville, 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
Gwynneville, IN
- Average wind speed in December: 9mph
The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in December
Gwynneville, IN
- Average humidity in December: 82%
The months with the highest relative humidity are January, July and December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Gwynneville, IN
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days in December
Gwynneville, IN
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (8 days).
Average snowfall in December
Gwynneville, IN
- Average snowfall in December: 2.01"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Gwynneville, IN
- Average snowfall days in December: 6.8 days
The month with the highest number of snowfall days is January (7.8 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
Gwynneville, IN
- Average daylight in December: 9h and 2min
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 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Gwynneville, IN
- Average sunshine days in December: 16 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in December
Gwynneville, IN
- Average UV index in December: 1
The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Gwynneville, IN
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Gwynneville, 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).
Gwynneville, Indiana, USA
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