December Weather in Seabrook Island

Last updated: March 2, 2024

The weather in Seabrook Island, United States, during December is characterized by an average temperature of 13°C (56°F). Highs can soar to 20°C (68°F), while lows may dip to 4°C (40°F). Typically, the humidity level in Seabrook Island throughout December hovers around 87%.

4°C (40°F)

Minimum temperature

13°C (56°F)

Average temperature

20°C (68°F)

Maximum temperature

87%

Humidity

Precipitation and Sunshine hours

In December, Seabrook Island averages 145 mm (5.7 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 10 hours 2 minutes of daylight, with the sun shining for approximately 7 hours 9 minutes each day. Additionally, there is a 45% probability of sunny days during this period.

145 mm (5.7 inches)

Precipitation

11 rainy days

Rainy days

7 hours 9 minutes

Sunshine hours

45%

Chance of sun

UV Index

In December, the UV Index in Seabrook Island reaches a maximum of 4, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 30 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 0 1 2 3 4 4 4 3 2 1 1 0 0
Exposure Low Moderate Low
Time to burn 45 min 30 min 45 min

Compare Seabrook Island's Climate with Cities Worldwide