Glynn Isles
Georgia, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Glynn Isles, GA

The first month of the winter, December, is still a cool month in Glynn Isles, Georgia, with average temperature varying between 55°F (12.8°C) and 40.3°F (4.6°C).

Temperature

In Glynn Isles, Georgia, the average high-temperature marginally drops, from an enjoyable 62.2°F (16.8°C) in November, to a fresh 55°F (12.8°C). In Glynn Isles, in December, the average low-temperature is 40.3°F (4.6°C).

Humidity

The most humid month in Glynn Isles is December, with an average relative humidity of 77%.

Rainfall

In December, in Glynn Isles, the rain falls for 8.8 days. Throughout December, 1.18" (30mm) of precipitation is accumulated. In Glynn Isles, during the entire year, the rain falls for 132.6 days and collects up to 14.41" (366mm) of precipitation.

Snowfall

March through December are months without snowfall.

Daylight

The month with the shortest days is December, with an average of 10h of daylight.

Sunshine

The month with the least sunshine in Glynn Isles is December, with an average of 5.1h of sunshine.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Glynn Isles, Georgia. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in December in Glynn Isles?

In December, in Glynn Isles, Georgia, the average high-temperature is 55°F (12.8°C), and the average low-temperature is 40.3°F (4.6°C).

What is the most humid month in Glynn Isles?

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

What is the average humidity in December in Glynn Isles?

In Glynn Isles, the average relative humidity in December is 77%.

How much does it rain in Glynn Isles in December?

In Glynn Isles, in December, during 8.8 rainfall days, 1.18" (30mm) of precipitation is typically accumulated.

Does it snow in Glynn Isles in December?

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

When it does not snow in Glynn Isles?

March through December are months without snowfall in Glynn Isles.

What is the month with the shortest days in Glynn Isles?

The month with the shortest days in Glynn Isles is December, with an average of 10h of daylight.

How many hours of daylight does Glynn Isles have in December?

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

What is the month with the least sunshine in Glynn Isles?

The month with the least sunshine in Glynn Isles, Georgia, is December, with an average of 5.1h of sunshine.

How many hours of sunshine does Glynn Isles have in December?

The average sunshine in December is 5.1h.

What is the month with the lowest UV index in Glynn Isles?

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Glynn Isles, Georgia.

What is the UV index intensity in December in Glynn Isles?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from the exposure to the Sun's UV radiation.
Average temperature in December - Glynn Isles, GA
  • Average high temperature in December: 55°F

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (51.6°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 (35.6°F).

Average humidity in December - Glynn Isles, GA
  • Average humidity in December: 77%

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

Average rainfall in December - Glynn Isles, GA
  • Average rainfall in December: 1.18"

The wettest month (with the highest rainfall) is August (2.2").
The driest month (with the least rainfall) is October (0.75").

Average rainfall days in December - Glynn Isles, GA
  • Average rainfall days in December: 8.8 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is November (6 days).

Average snowfall in December - Glynn Isles, GA
  • Average snowfall in December: 0"

The month with the highest snowfall is January (0.08").
Months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in December - Glynn Isles, GA
  • Average snowfall days in December: 0 days

Months with the highest number of snowfall days are January and February (0.4 days).
Months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).

Average daylight in December / Average sunshine in December - Glynn Isles, GA
  • Average daylight in December: 10h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in December: 5.1h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is December (Average sunshine: 5.1h).

Average UV index in December - Glynn Isles, GA
  • Average UV index in December: 2

The month with the highest UV index is June (UV index 7).
Months with the lowest UV index are January and December (UV index 2).