December weather forecastBlountsville, IN
December
Weather in December
December, the first month of the winter in Blountsville, is also an icy month, with an average temperature fluctuating between 27.5°F (-2.5°C) and 37.8°F (3.2°C).Temperature
The onset of December comes with a shift in the average high-temperature, falling from a chilly 48.4°F (9.1°C) in November to a wintry 37.8°F (3.2°C). Blountsville records a mean low-temperature of 27.5°F (-2.5°C) in December.Humidity
January, February and December, with an average relative humidity of 83%, are the most humid months in Blountsville.Rainfall
In Blountsville, in December, it is raining for 10.5 days, with typically 2.4" (61mm) of accumulated precipitation. In Blountsville, Indiana, during the entire year, the rain falls for 168.3 days and collects up to 33.11" (841mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Blountsville. In Blountsville, in December, snow falls for 8.5 days, with typically accumulated 2.99" (76mm) of snow. Throughout the year, in Blountsville, there are 40.6 snowfall days, and 13.23" (336mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:44 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 5:25 pm EST.
Sunshine
In Blountsville, Indiana, the average sunshine in December is 3.9h.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 exposure to the Sun's UV radiation for the average person.Note: In December, a daily UV index of 1 turns into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Blountsville, IN
- Average high temperature in December: 37.8°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
Blountsville, 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
Blountsville, IN
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Blountsville, IN
- Average humidity in December: 83%
The months with the highest relative humidity are January, February and December (83%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in December
Blountsville, IN
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is February (2.01").
Average rainfall days in December
Blountsville, IN
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in December
Blountsville, IN
- Average snowfall in December: 2.99"
The month with the highest snowfall is February (3.39").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Blountsville, IN
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Blountsville, IN
- Average daylight in December: 9h and 24min
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 24min).
- Average sunshine in December: 3h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Blountsville, IN
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is May (7.7 days).
Average UV index in December
Blountsville, IN
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Blountsville, IN
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Blountsville, IN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).
