December weather forecast
Sylvarena, MS

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Weather in December

The first month of the winter, December, is also a moderate month in Sylvarena, Mississippi, with temperature in the range of an average high of 57.7°F (14.3°C) and an average low of 42.8°F (6°C).

Temperature

A minor decrease in the average high-temperature is observed during December, shifting from an enjoyable 64.8°F (18.2°C) in November to a mild 57.7°F (14.3°C). Sylvarena encounters a steady low-temperature average of 42.8°F (6°C) throughout the month of December.

Humidity

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

Rainfall

The month with the most rainfall in Sylvarena, Mississippi, is December, when the rain falls for 13.1 days and typically aggregates up to 4.02" (102mm) of precipitation.

Snowfall

January through March and December are months with snowfall. The months with the most snowfall in Sylvarena are January and December, with an average 0.39" (10mm) of accumulated snow.

Daylight

The month with the shortest days in Sylvarena is December, with an average of 10h and 6min of daylight.
On the first day of the month, sunrise is at 6:40 am and sunset at 4:52 pm. On the last day of December, sunrise is at 6:57 am and sunset at 5:03 pm CST.

Sunshine

February and December, with an average of 4.8h of sunshine, are months with the least sunshine in Sylvarena.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 3 during December translates into these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures in Sylvarena?

In Sylvarena, 57.7°F (14.3°C) is the average high-temperature and 42.8°F (6°C) is the average low-temperature during December. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is estimated at 100.4°F (38°C).

What is the most humid month in Sylvarena?

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

What is the average humidity in December in Sylvarena?

The average relative humidity in December in Sylvarena, Mississippi, is 81%.

What is the rainiest month in Sylvarena?

The month with the most rainfall in Sylvarena, Mississippi, is December, when the rain falls for 13.1 days and typically aggregates up to 4.02" (102mm) of precipitation.

How many days does it rain in December in Sylvarena?

In Sylvarena, Mississippi, in December, it is raining for 13.1 days, with typically 4.02" (102mm) of accumulated precipitation.

When does it snow the most in Sylvarena?

The months with the most snowfall in Sylvarena are January and December, with an average 0.39" (10mm) of accumulated snow.

When does it start snowing in Sylvarena?

December is the first month it typically snows in Sylvarena. Throughout December, in the average 0.5 snowfall days, it receives 0.39" (10mm) of snow.

What is the month with the shortest days in Sylvarena?

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

How many hours of daylight does Sylvarena have in December?

The average day length in December is 10h and 6min.

When are sunrise and sunset in December in Sylvarena?

On the first day of December in Sylvarena, sunrise is at 6:40 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 5:03 pm CST.

What are the months with the least sunshine in Sylvarena?

The months with the least sunshine in Sylvarena are February and December, with an average of 4.8h of sunshine.

How long on average sun shines in December in Sylvarena?

The average sunshine duration in December in Sylvarena, Mississippi, is 4.8h.

What are the months with the lowest UV index in Sylvarena?

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

What is the UV index intensity in December in Sylvarena?

In December, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
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
Sylvarena, MS

Average temperature in December - Sylvarena, MS
  • Average high temperature in December: 57.7°F

The warmest months (with the highest average high temperature) are July and August (91.4°F).
The month with the lowest average high temperature is January (55°F).

  • Average low temperature in December: 42.8°F

The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (38.7°F).

Average pressure in December
Sylvarena, MS

Average pressure in December - Sylvarena, 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
Sylvarena, MS

Average wind speed in December - Sylvarena, MS
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in December
Sylvarena, MS

Average humidity in December - Sylvarena, 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 (70%).

Average rainfall in December
Sylvarena, MS

Average rainfall in December - Sylvarena, MS
  • Average rainfall in December: 4.02"

The wettest month (with the highest rainfall) is December (4.02").
The driest month (with the least rainfall) is November (2.13").

Average rainfall days in December
Sylvarena, MS

Average rainfall days in December - Sylvarena, MS
  • Average rainfall days in December: 13.1 days

The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is November (8.9 days).

Average snowfall in December
Sylvarena, MS

Average snowfall in December - Sylvarena, MS
  • Average snowfall in December: 0.39"

The months with the highest snowfall are January and December (0.39").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Sylvarena, MS

Average snowfall days in December - Sylvarena, MS
  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is January (0.7 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
Sylvarena, MS

Average daylight in December / Average sunshine in December - Sylvarena, 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 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

Average sunshine days in December
Sylvarena, MS

Average sunshine days in December - Sylvarena, MS
  • Average sunshine days in December: 15.8 days

The month with the most sunshine days is October (20 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in December
Sylvarena, MS

Average UV index in December - Sylvarena, 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 and December (UV index 3).

Average cloud cover in December
Sylvarena, MS

Average cloud cover in December - Sylvarena, 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 30).

Average visibility in December
Sylvarena, MS

Average visibility in December - Sylvarena, 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).

Sylvarena, Mississippi, USA

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