December weather forecast
Irwinville, GA

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Weather in December

December, the first month of the winter in Irwinville, is still a mild month, with an average temperature ranging between max 60.4°F (15.8°C) and min 45.5°F (7.5°C).

Temperature

In December, the meteorological conditions change slightly, with the average high-temperature moving from an enjoyable 66.6°F (19.2°C) in November to a mild 60.4°F (15.8°C). An average temperature of 45.5°F (7.5°C) is recorded during the nights in December.

Humidity

August and December, with an average relative humidity of 77%, are the most humid months in Irwinville.

Rainfall

In December, in Irwinville, Georgia, the rain falls for 8.8 days. Throughout December, 1.54" (39mm) of precipitation is accumulated. Throughout the year, there are 134.5 rainfall days, and 14.61" (371mm) of precipitation is accumulated.

Snowfall

In Irwinville, snow does not fall in March through December.

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 7:15 am and sunset at 5:29 pm. On the last day of December, sunrise is at 7:33 am and sunset at 5:40 pm EST.

Sunshine

The month with the least sunshine is December, with an average of 5.4h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 3 in December interprets into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

The high-temperature during December is 60.4°F (15.8°C) and the low-temperature is 45.5°F (7.5°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in September is calculated to be 95°F (35°C).

What is the most humid month?

August and December, with an average relative humidity of 77%, are most humid months.

What is the average humidity in December?

The average relative humidity in December is 77%.

How many days does it rain in December?

In December, the rain falls for 8.8 days. Throughout December, 1.54" (39mm) of precipitation is accumulated.

When it does not snow?

March through December are months without snowfall.

Does it snow in December?

In Irwinville, in December, it doesn't snow. In January, it regularly snows.

What is the month with the shortest days?

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

What is the average length of the day in December?

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

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:15 am and sunset at 5:29 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:40 pm EST.

What is the month with the least sunshine?

With an average of 5.4h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December?

The average sunshine duration in December is 5.4h.

What is the month with the lowest UV index?

The months with the lowest UV index are January 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 in Irwinville is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Irwinville, GA

Average temperature in December - Irwinville, GA
  • Average high temperature in December: 60.4°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (57.4°F).

  • Average low temperature in December: 45.5°F

The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).

Average pressure in December
Irwinville, GA

Average pressure in December - Irwinville, GA
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).

Average wind speed in December
Irwinville, GA

Average wind speed in December - Irwinville, GA
  • Average wind speed in December: 7.8mph

The windiest months (with the highest average wind speed) are February and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in December
Irwinville, GA

Average humidity in December - Irwinville, GA
  • Average humidity in December: 77%

The months with the highest relative humidity are August and December (77%).
The months with the lowest relative humidity are January, October and November (72%).

Average rainfall in December
Irwinville, GA

Average rainfall in December - Irwinville, GA
  • Average rainfall in December: 1.54"

The wettest month (with the highest rainfall) is August (1.89").
The driest month (with the least rainfall) is November (0.71").

Average rainfall days in December
Irwinville, GA

Average rainfall days in December - Irwinville, GA
  • Average rainfall days in December: 8.8 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (5.5 days).

Average snowfall in December
Irwinville, GA

Average snowfall in December - Irwinville, GA
  • Average snowfall in December: 0"

The months with the highest snowfall are January and February (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in December
Irwinville, GA

Average snowfall days in December - Irwinville, GA
  • Average snowfall days in December: 0.1 days

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

Average daylight in December /
Average sunshine in December
Irwinville, GA

Average daylight in December / Average sunshine in December - Irwinville, GA
  • 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: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in December
Irwinville, GA

Average sunshine days in December - Irwinville, GA
  • Average sunshine days in December: 20.4 days

The month with the most sunshine days is November (22.4 days).
The month with the least sunshine days is July (8.9 days).

Average UV index in December
Irwinville, GA

Average UV index in December - Irwinville, GA
  • Average UV index in December: 3

The months with the highest UV index are May, 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
Irwinville, GA

Average cloud cover in December - Irwinville, GA
  • Average cloud cover in December: 41

The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 28).

Average visibility in December
Irwinville, GA

Average visibility in December - Irwinville, GA
  • 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).

Irwinville, Georgia, USA

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