December weather forecastHorn, MS

December

Weather in December

The first month of the winter, December, is still a refreshing month in Horn, Mississippi, with an average temperature ranging between max 57.9°F (14.4°C) and min 42.6°F (5.9°C).

Temperature

In Horn, entering December brings a subtle temperature decrement, reducing from November's refreshing 65.3°F (18.5°C) to a moderate 57.9°F (14.4°C). Horn records an average temperature drop to a cold 42.6°F (5.9°C) in December.

Humidity

With an average relative humidity of 81%, December is the most humid month.

Rainfall

December is the month with the most rainfall in Horn. Rain falls for 13.1 days and accumulates 3.86" (98mm) of precipitation.

Snowfall

Months with snowfall are January through March and December. December is the month with the most snowfall. Snow falls for 0.8 days and accumulates 0.43" (11mm) of snow.

Daylight

With an average of 10h and 6min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:37 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 5:00 pm CST.

Sunshine

The month with the least sunshine in Horn is December, with an average of 4.8h of sunshine.

UV index

December is the month with the lowest UV index in Horn, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 2 in December translates into these instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. To protect against the Sun's most potent rays, avoid direct exposure around midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.

Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

During December, Horn experiences an average high-temperature of 57.9°F (14.4°C) and a low-temperature of 42.6°F (5.9°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 102.2°F (39°C).

The most humid month in Horn is December, with an average relative humidity of 81%.

In December, the average relative humidity is 81%.

The month with the most rainfall in Horn is December, when the rain falls for 13.1 days and typically aggregates up to 3.86" (98mm) of precipitation.

In Horn, in December, during 13.1 rainfall days, 3.86" (98mm) of precipitation is typically accumulated.

The month with the most snowfall in Horn, Mississippi, is December, when snow falls for 0.8 days and typically aggregates up to 0.43" (11mm) of snow.

December is the first month it typically snows. Throughout December, in the average 0.8 snowfall days, it receives 0.43" (11mm) of snow.

December has the shortest days of the year, with an average of 10h and 6min of daylight.

In Horn, Mississippi, the average day length in December is 10h and 6min.

In December, on the first day of the month, sunrise is at 6:37 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 5:00 pm CST.

With an average of 4.8h of sunshine, December has the least sunshine of the year in Horn.

In December, the average sunshine duration is 4.8h.

The month with the lowest UV index in Horn is December, with an average maximum UV index of 2.

In December, the average daily maximum UV index in Horn, Mississippi, is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

65.3°F

57.9°F

55°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6.8mph

7.1mph

7.3mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

20.4

17.8

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Horn, MS

Average high temperature in December: 57.9°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (55°F).

Average low temperature in December: 42.6°F

The months with the highest average low temperature are July and August (71.8°F).
The coldest month (with the lowest average low temperature) is January (38.3°F).

Average pressure in December
Horn, MS

Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in December
Horn, MS

Average wind speed in December: 6.6mph

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

Average humidity in December
Horn, MS

Average humidity in December: 81%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Horn, MS

Average rainfall in December: 3.86"

The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is November (2.09").

Average rainfall days in December
Horn, MS

Average rainfall days in December: 13.1 days

The month with the highest number of rainy days is July (21.7 days).
The month with the least rainy days is November (8 days).

Average snowfall in December
Horn, MS

Average snowfall in December: 0.43"

The month with the highest snowfall is December (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Horn, MS

Average snowfall days in December: 0.8 days

The months with the highest number of snowfall days are January and December (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Horn, MS

Average daylight in December: 10h and 6min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

Average sunshine in December: 4h and 48min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

Average sunshine days in December
Horn, MS

Average sunshine days in December: 16 days

The months with the most sunshine days are October and November (20.4 days).
The month with the least sunshine days is July (7.5 days).

Average UV index in December
Horn, MS

Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in December
Horn, MS

Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 31).

Average visibility in December
Horn, MS

Average visibility in December: 5mi

The months with the highest visibility are February, March, April, June, October and November (6mi).
The months with the lowest visibility are January, May, July, August, September and December (5mi).