December weather forecast
Horn, MS

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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.
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Frequently asked questions

What is the usual temperature for Horn in December?

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).

What is the most humid month in Horn?

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

What is the average humidity in December in Horn?

In December, the average relative humidity is 81%.

What is the wettest month in Horn?

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.

How much does it rain in Horn in December?

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

When does it snow the most in Horn?

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.

When does it start to snow in Horn?

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

What is the month with the shortest days in Horn?

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

How many hours of daylight does Horn have in December?

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

What time are sunrise and sunset in December in Horn?

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.

What is the month with the least sunshine in Horn?

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

How many hours of sunshine does Horn have in December?

In December, the average sunshine duration is 4.8h.

When is the lowest UV index in Horn?

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

What is the UV index intensity in December in Horn?

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
YearJFMAMJJASONDecember
Nov
December
Jan
Average high temperature
65.3°F 18.5°C
57.9°F 14.4°C
55°F 12.8°C
Average low temperature
45.7°F 7.6°C
42.6°F 5.9°C
38.3°F 3.5°C
Average pressure
30.14" 766mmHg
30.14" 766mmHg
30.17" 766mmHg
Average wind speed
6.4mph 10.3km/h
6.6mph 10.6km/h
6.9mph 11.1km/h
Average max. wind speed
6.8mph 10.9km/h
7.1mph 11.4km/h
7.3mph 11.7km/h
Average wind speed gusts
10.7mph 17.2km/h
11.1mph 17.9km/h
11.3mph 18.2km/h
Average humidity
74%
81%
77%
Average rainfall
2.09" 53mm
3.86" 98mm
2.95" 75mm
Average rainfall days
8
13.1
11.3
Average snowfall
0" 0mm
0.43" 11mm
0.35" 9mm
Average snowfall days
0.1
0.8
0.8
Average daylight
10h 3min
10h 1min
10h 2min
Average sunshine
6h 0min
4h 5min
5h 1min
Average sunshine days
20.4
16
17.8
Average UV index
4
2
3
Average cloud cover
35%
49%
44%
Average visibility
6mi 9.7km
5mi 8km
5mi 8km

Average temperature in December
Horn, MS

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).

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Average pressure in December
Horn, MS

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).

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Average wind speed in December
Horn, MS

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).

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Average humidity in December
Horn, MS

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%).

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Average rainfall in December
Horn, MS

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").

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Average rainfall days in December
Horn, MS

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).

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Average snowfall in December
Horn, MS

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").

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Average snowfall days in December
Horn, MS

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).

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

Average daylight in December / Average sunshine in December - Horn, MS
  • Average daylight in December: 10h and 1min

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 5min

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).

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Average sunshine days in December
Horn, MS

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).

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Average UV index in December
Horn, MS

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).

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Average cloud cover in December
Horn, MS

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).

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Average visibility in December
Horn, MS

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).

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Horn, Mississippi, USA

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