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
The onset of December brings a small change in high-temperatures, falling from a frosty 49.3°F (9.6°C) in November to a cold 38.3°F (3.5°C). In December, the nighttime temperature lowers to an average of 27.9°F (-2.3°C).Humidity
The most humid month in Flackville is December, with an average relative humidity of 82%.Rainfall
In Flackville, Indiana, in December, it is raining for 10.4 days, with typically 1.93" (49mm) of accumulated precipitation. In Flackville, during the entire year, the rain falls for 163.9 days and collects up to 27.2" (691mm) of precipitation.Snowfall
Months with snowfall in Flackville, Indiana, are January through May, October through December. In Flackville, in December, during 8.6 snowfall days, 2.56" (65mm) of snow is typically accumulated. In Flackville, Indiana, during the entire year, snow falls for 36.9 days and aggregates up to 10.12" (257mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:47 am and sunset at 5:20 pm. On the last day of December, sunrise is at 8:06 am and sunset at 5:30 pm EST.
Sunshine
In December, the average sunshine in Flackville is 4.2h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: The UV index of 1 during December translates into the following guidance:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. When the Sun is at its strongest around midday, find shade and limit exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
How cold is it in Flackville in December?
What is the most humid month in Flackville?
What is the average humidity in December in Flackville?
How many days does it rain in December in Flackville?
How much does it snow in Flackville in December?
What is the month with the shortest days in Flackville?
How many hours of daylight does Flackville have in December?
What time are sunrise and sunset in December in Flackville?
How many hours of sunshine does Flackville have in December?
When is the lowest UV index in Flackville?
What is the UV index intensity in December in Flackville?
Average temperature in December
Flackville, IN
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in December: 27.9°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 (20.8°F).
Average pressure in December
Flackville, 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
Flackville, IN
- Average wind speed in December: 9.1mph
The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Flackville, 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
Flackville, IN
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is February (1.54").
Average rainfall days in December
Flackville, IN
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in December
Flackville, IN
- Average snowfall in December: 2.56"
The month with the highest snowfall is January (2.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Flackville, IN
- Average snowfall days in December: 8.6 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Flackville, 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 6min).
Average sunshine days in December
Flackville, IN
- Average sunshine days in December: 14.3 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in December
Flackville, 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
Flackville, 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 30).
Average visibility in December
Flackville, 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).
Flackville, Indiana, USA
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