December weather forecast
Hernando, MS

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Weather in December

December in Hernando, Mississippi brings with it the winter chill. This rounds off the cycle of weather patterns for the year. The winter temperatures of December retain a certain iciness that heralds in the New Year. The air is permeated with a high relative humidity of 78%. Despite the frigid weather, the month experiences a high of 4.25in of rainfall.

Temperature

Hernando's progression into December involves a minor drop in the average high-temperature, slightly receding from a refreshing 59.7°F (15.4°C) in November to a cool 51.1°F (10.6°C). The temperature lowers to an average of 38.7°F (3.7°C) during December nights.

Humidity

In Hernando, the average relative humidity in December is 78%.

Rainfall

In Hernando, during December, the rain falls for 12.1 days and regularly aggregates up to 4.25" (108mm) of precipitation. Throughout the year, in Hernando, there are 165.9 rainfall days, and 42.2" (1072mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In Hernando, in December, during 1.2 snowfall days, 0.2" (5mm) of snow is typically accumulated. Throughout the year, there are 5.7 snowfall days, and 1.85" (47mm) of snow is accumulated.

Daylight

With an average of 9h and 54min of daylight, December has the shortest days of the year.
On the first day of December in Hernando, sunrise is at 6:49 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 4:59 pm CST.

Sunshine

In Hernando, the average sunshine in December is 4.9h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily maximum UV index of 3 in December translates into the following instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

In December, in Hernando, the average high-temperature is 51.1°F (10.6°C), and the average low-temperature is 38.7°F (3.7°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is computed to be 93.2°F (34°C).

What is the average humidity in December?

The average relative humidity in December is 78%.

How much does it rain in December?

In Hernando, during December, the rain falls for 12.1 days and regularly aggregates up to 4.25" (108mm) of precipitation.

How many days does it snow in December?

In December, it is snowing for 1.2 days. Throughout December, 0.2" (5mm) of snow is accumulated.

What is the month with the shortest days?

With an average of 9h and 54min of daylight, December has the shortest days of the year in Hernando.

How many hours of daylight does Hernando have in December?

The average day length in December is 9h and 52min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 6:49 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 4:59 pm CST.

How many hours of sunshine does Hernando have in December?

In Hernando, the average sunshine duration in December is 4.9h.

When is the lowest UV index?

The months with the lowest UV index are January, February and December, with an average maximum UV index of 3.

How high is the UV index in December?

The average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Hernando, MS

Average temperature in December - Hernando, MS
  • Average high temperature in December: 51.1°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (47.5°F).

  • Average low temperature in December: 38.7°F

The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (34°F).

Average pressure in December
Hernando, MS

Average pressure in December - Hernando, 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 (29.94"Hg).

Average wind speed in December
Hernando, MS

Average wind speed in December - Hernando, MS
  • Average wind speed in December: 8mph

The windiest month (with the highest average wind speed) is February (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in December
Hernando, MS

Average humidity in December - Hernando, MS
  • Average humidity in December: 78%

The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (69%).

Average rainfall in December
Hernando, MS

Average rainfall in December - Hernando, MS
  • Average rainfall in December: 4.25"

The wettest month (with the highest rainfall) is April (4.72").
The driest month (with the least rainfall) is September (2.17").

Average rainfall days in December
Hernando, MS

Average rainfall days in December - Hernando, MS
  • Average rainfall days in December: 12.1 days

The month with the highest number of rainy days is August (17.2 days).
The month with the least rainy days is November (10.1 days).

Average snowfall in December
Hernando, MS

Average snowfall in December - Hernando, MS
  • Average snowfall in December: 0.2"

The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Hernando, MS

Average snowfall days in December - Hernando, MS
  • Average snowfall days in December: 1.2 days

The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Hernando, MS
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 4h and 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in December
Hernando, MS

Average sunshine days in December - Hernando, MS
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is August (11.2 days).

Average UV index in December
Hernando, MS

Average UV index in December - Hernando, MS
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in December
Hernando, MS

Average cloud cover in December - Hernando, MS
  • Average cloud cover in December: 46

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June, August and September (Cloud cover 27).

Average visibility in December
Hernando, MS

Average visibility in December - Hernando, MS
  • 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).

Hernando, Mississippi, USA

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