Herndonville
Georgia, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Herndonville, GA

The first month of the winter, December, is also a fresh month in Herndonville, Georgia, with average temperature ranging between min 40.3°F (4.6°C) and max 54.9°F (12.7°C).

Temperature

In Herndonville, the average high-temperature slightly decreases, from a comfortable 61.7°F (16.5°C) in November, to a cool 54.9°F (12.7°C). In Herndonville, in December, the average low-temperature is 40.3°F (4.6°C).

Humidity

December is the most humid month in Herndonville, with an average relative humidity of 77%.

Rainfall

In Herndonville, it is raining for 13.5 days, with typically 3.82" (97mm) of accumulated precipitation. Throughout the year, in Herndonville, Georgia, there are 179.3 rainfall days, and 39.84" (1012mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Herndonville, Georgia, are January through March and December. Months with the most snowfall are January and December, with an average 0.35" (9mm) of accumulated snow.

Daylight

With an average of 9.9h of daylight, December has the shortest days of the year in Herndonville, Georgia.

Sunshine

December has the least sunshine of the year in Herndonville, with an average of 5.2h of sunshine.

UV index

In December, the average daily maximum UV index in Herndonville is 3. A UV Index reading of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: In December, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Herndonville?

In Herndonville, in December, the average high-temperature is 54.9°F (12.7°C), and the average low-temperature is 40.3°F (4.6°C).

What is the most humid month in Herndonville?

With an average relative humidity of 77%, December is the most humid month in Herndonville, Georgia.

What is the average humidity in December in Herndonville?

In Herndonville, Georgia, the average relative humidity in December is 77%.

How much does it rain in Herndonville in December?

In Herndonville, Georgia, in December, during 13.5 rainfall days, 3.82" (97mm) of precipitation is typically accumulated.

When does it start snowing in Herndonville?

December is the first month it typically snows in Herndonville, Georgia. Throughout December, in the average 0.4 snowfall days, it receives 0.35" (9mm) of snow.

When does it snow the most in Herndonville?

Months with the most snowfall in Herndonville, Georgia, are January and December, with an average 0.35" (9mm) of accumulated snow.

What is the month with the shortest days in Herndonville?

With an average of 9.9h of daylight, December has the shortest days of the year in Herndonville.

What is the average length of the day in December in Herndonville?

In December, the average length of the day in Herndonville, Georgia, is 9.9h.

What is the month with the least sunshine in Herndonville?

The month with the least sunshine in Herndonville is December, with an average of 5.2h of sunshine.

How long on average sun shines in December in Herndonville?

The average sunshine in December in Herndonville is 5.2h.

What is the UV index reading in December in Herndonville?

In December, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV rays.
Average temperature in December - Herndonville, GA
  • Average high temperature in December: 54.9°F

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (51.4°F).

  • Average low temperature in December: 40.3°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).

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

The month with the highest relative humidity is December (77%).
Months with the lowest relative humidity are July, October and November (72%).

Average rainfall in December - Herndonville, GA
  • Average rainfall in December: 3.82"

The wettest month (with the highest rainfall) is August (4.96").
The driest month (with the least rainfall) is October (2.2").

Average rainfall days in December - Herndonville, GA
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is July (22.3 days).
The month with the least rainy days is October (9.3 days).

Average snowfall in December - Herndonville, GA
  • Average snowfall in December: 0.35"

Months with the highest snowfall are January and December (0.35").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December - Herndonville, GA
  • Average snowfall days in December: 0.4 days

The month with the highest number of snowfall days is January (0.8 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December / Average sunshine in December - Herndonville, GA
  • Average daylight in December: 9.9h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in December: 5.2h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is December (Average sunshine: 5.2h).

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

Months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).