December weather forecast
Santee, MS

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Weather in December

December, the first month of the winter in Santee, is also a moderate month, with an average temperature fluctuating between 43.2°F (6.2°C) and 59°F (15°C).

Temperature

In Santee, entering December brings a subtle temperature decrement, reducing from November's enjoyable 66°F (18.9°C) to a still refreshing 59°F (15°C). An average nighttime temperature of 43.2°F (6.2°C) is recorded during December.

Humidity

The most humid month is December, with an average relative humidity of 82%.

Rainfall

December is the month with the most rainfall. Rain falls for 13.5 days and accumulates 3.74" (95mm) of precipitation.

Snowfall

January through March and December are months with snowfall. December is the first month it typically snows in Santee. Throughout December, in the average 0.1 snowfall days, it receives 0.12" (3mm) of snow. In Santee, during the entire year, snow falls for 0.9 days and aggregates up to 0.55" (14mm) of snow.

Daylight

December has the shortest days of the year, with an average of 10h and 6min of daylight.
On the first day of the month, sunrise is at 6:41 am and sunset at 4:55 pm. On the last day of December, sunrise is at 6:58 am and sunset at 5:06 pm CST.

Sunshine

February and December, with an average of 4.9h of sunshine, are months with the least sunshine in Santee, Mississippi.

UV index

The months with the lowest UV index in Santee are January and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 3 during December translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. To guard against the harmful effects of the Sun, minimize exposure during midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature?

In Santee, in December, the average high-temperature is 59°F (15°C), and the average low-temperature is 43.2°F (6.2°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 102.2°F (39°C).

What is the most humid month?

December is the most humid month, with an average relative humidity of 82%.

What is the average humidity in December?

In December, the average relative humidity is 82%.

What is the rainiest month?

December is the month with the most rainfall. Rain falls for 13.5 days and accumulates 3.74" (95mm) of precipitation.

How many days does it rain in December?

In December, the rain falls for 13.5 days. Throughout December, 3.74" (95mm) of precipitation is accumulated.

When does it start snowing?

December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.12" (3mm) of snow.

What is the month with the shortest days in Santee?

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

How many hours of daylight does Santee have in December?

In December, the average day length is 10h and 8min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 6:41 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 5:06 pm CST.

What is the month with the least sunshine?

The months with the least sunshine are February and December, with an average of 4.9h of sunshine.

How long on average sun shines in December?

The average sunshine duration in December is 4.9h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index in Santee is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Santee, MS

Average temperature in December - Santee, MS
  • Average high temperature in December: 59°F

The warmest month (with the highest average high temperature) is August (91.4°F).
The month with the lowest average high temperature is January (55.9°F).

  • Average low temperature in December: 43.2°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 (39°F).

Average pressure in December
Santee, MS

Average pressure in December - Santee, MS
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

Average wind speed in December
Santee, MS

Average wind speed in December - Santee, MS
  • Average wind speed in December: 7.1mph

The windiest months (with the highest average wind speed) are January, February and April (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in December
Santee, MS

Average humidity in December - Santee, MS
  • Average humidity in December: 82%

The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Santee, MS

Average rainfall in December - Santee, MS
  • Average rainfall in December: 3.74"

The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is November (2.01").

Average rainfall days in December
Santee, MS

Average rainfall days in December - Santee, MS
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is August (20.3 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in December
Santee, MS

Average snowfall in December - Santee, MS
  • Average snowfall in December: 0.12"

The month with the highest snowfall is January (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Santee, MS

Average snowfall days in December - Santee, MS
  • Average snowfall days in December: 0.1 days

The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December / Average sunshine in December - Santee, 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 months with the least sunshine are February and December (Average sunshine: 4h and 54min).

Average sunshine days in December
Santee, MS

Average sunshine days in December - Santee, MS
  • Average sunshine days in December: 15.9 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is August (9 days).

Average UV index in December
Santee, MS

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

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

Average cloud cover in December
Santee, MS

Average cloud cover in December - Santee, MS
  • Average cloud cover in December: 49

The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in December
Santee, MS

Average visibility in December - Santee, MS
  • Average visibility in December: 6mi

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

Santee, Mississippi, USA

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