December weather forecast
Savannah, MO

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Weather in December

December, the first month of the winter in Savannah, is still a cold month, with an average temperature fluctuating between 25°F (-3.9°C) and 38.3°F (3.5°C).

Temperature

Savannah in December demonstrates a small temperature transition, adjusting from an average high of a cool 50.9°F (10.5°C) in November to an icy 38.3°F (3.5°C). Savannah's nighttime temperature in December falls to an average of 25°F (-3.9°C).

Humidity

The average relative humidity in December is 76%.

Rainfall

In December, the rain falls for 5.5 days. Throughout December, 1.1" (28mm) of precipitation is accumulated. In Savannah, during the entire year, the rain falls for 132.3 days and collects up to 27.28" (693mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 4.9 days. Throughout December, 1.73" (44mm) of snow is accumulated. Throughout the year, in Savannah, there are 25.5 snowfall days, and 10.91" (277mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of December, sunrise is at 7:22 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:04 pm CST.

Sunshine

In December, the average sunshine in Savannah is 5.3h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in Savannah in December?

The high-temperature during December is 38.3°F (3.5°C) and the low-temperature is 25°F (-3.9°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is estimated at 93.2°F (34°C).

What is the average humidity in December?

In December, the average relative humidity is 76%.

How many days does it rain in December in Savannah?

In Savannah, during December, the rain falls for 5.5 days and regularly aggregates up to 1.1" (28mm) of precipitation.

How much does it snow in December?

In Savannah, during December, snow falls for 4.9 days and regularly aggregates up to 1.73" (44mm) of snow.

What is the month with the shortest days?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

The average day length in December is 9h and 23min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:22 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:04 pm CST.

How many hours of sunshine does Savannah have in December?

In December, the average sunshine duration in Savannah is 5.3h.

What is the month with the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health 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
Savannah, MO

Average temperature in December - Savannah, MO
  • Average high temperature in December: 38.3°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in December: 25°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

Average pressure in December
Savannah, MO

Average pressure in December - Savannah, MO
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in December
Savannah, MO

Average wind speed in December - Savannah, MO
  • Average wind speed in December: 9.2mph

The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).

Average humidity in December
Savannah, MO

Average humidity in December - Savannah, MO
  • Average humidity in December: 76%

The month with the highest relative humidity is June (79%).
The months with the lowest relative humidity are October and November (70%).

Average rainfall in December
Savannah, MO

Average rainfall in December - Savannah, MO
  • Average rainfall in December: 1.1"

The wettest month (with the highest rainfall) is May (4.02").
The driest months (with the least rainfall) are January and February (0.94").

Average rainfall days in December
Savannah, MO

Average rainfall days in December - Savannah, MO
  • Average rainfall days in December: 5.5 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (3.8 days).

Average snowfall in December
Savannah, MO

Average snowfall in December - Savannah, MO
  • Average snowfall in December: 1.73"

The month with the highest snowfall is January (3.43").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Savannah, MO

Average snowfall days in December - Savannah, MO
  • Average snowfall days in December: 4.9 days

The month with the highest number of snowfall days is February (7.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Savannah, MO

Average daylight in December / Average sunshine in December - Savannah, MO
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

Average sunshine days in December
Savannah, MO

Average sunshine days in December - Savannah, MO
  • Average sunshine days in December: 21 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (10.8 days).

Average UV index in December
Savannah, MO

Average UV index in December - Savannah, MO
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Savannah, MO

Average cloud cover in December - Savannah, MO
  • Average cloud cover in December: 43

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in December
Savannah, MO

Average visibility in December - Savannah, MO
  • 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).

Savannah, Missouri, USA

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