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

December weather forecast and climate
Harlem, GA

December, the first month of the winter, in Harlem, is also a moderate month, with temperature in the range of an average high of 57°F (13.9°C) and an average low of 42.1°F (5.6°C).

Temperature

In December, the average high-temperature slightly decreases, from a comfortable 63.5°F (17.5°C) in November, to a moderate 57°F (13.9°C). In December, the average low-temperature is 42.1°F (5.6°C).

Humidity

With an average relative humidity of 76%, December is the most humid month.

Rainfall

In December, in Harlem, the rain falls for 11.7 days. Throughout December, 3.5" (89mm) of precipitation is accumulated. Throughout the year, in Harlem, there are 167.3 rainfall days, and 33.39" (848mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March and December. December is the first month it typically snows in Harlem. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Harlem, Georgia, during the entire year, snow falls for 1.5 days, and aggregates up to 0.87" (22mm) of snow.

Daylight

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

Sunshine

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

UV index

Months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 3 in December interpret into the following advice:
Take precautions - Protection against sun damage is advised. 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 Harlem?

The average high-temperature, in December, in Harlem, is 57°F (13.9°C), while the average low-temperature is 42.1°F (5.6°C).

What is the most humid month in Harlem?

December is the most humid month in Harlem, Georgia, with an average relative humidity of 76%.

What is the average humidity in December in Harlem?

In Harlem, Georgia, the average relative humidity in December is 76%.

How many days does it rain in December in Harlem?

In Harlem, in December, during 11.7 rainfall days, 3.5" (89mm) of precipitation is typically accumulated.

When does it start snowing in Harlem?

December is the first month it typically snows in Harlem, Georgia. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days in Harlem?

December has the shortest days of the year in Harlem, Georgia, with an average of 10h of daylight.

How many hours of daylight does Harlem have in December?

The average length of the day in December in Harlem is 10h.

What is the month with the least sunshine in Harlem?

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

How long on average sun shines in December in Harlem?

In December, the average sunshine in Harlem, Georgia, is 5.4h.

What is the month with the lowest UV index in Harlem?

January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Harlem, Georgia.

What is the UV index reading in December in Harlem?

In December, the average daily maximum UV index in Harlem is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.
Average temperature in December - Harlem, GA
  • Average high temperature in December: 57°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (53.6°F).

  • Average low temperature in December: 42.1°F

The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (37.2°F).

Average humidity in December - Harlem, GA
  • Average humidity in December: 76%

The month with the highest relative humidity is December (76%).
Months with the lowest relative humidity are July and November (70%).

Average rainfall in December - Harlem, GA
  • Average rainfall in December: 3.5"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in December - Harlem, GA
  • Average rainfall days in December: 11.7 days

Months with the highest number of rainy days are July and August (19.5 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in December - Harlem, GA
  • Average snowfall in December: 0.04"

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

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

The month with the highest number of snowfall days is January (0.8 days).
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 - Harlem, GA
  • Average daylight in December: 10h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in December: 5.4h

The month with the most sunshine is July (Average sunshine: 10.9h).
The month with the least sunshine is December (Average sunshine: 5.4h).

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

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January, February and December (UV index 3).