December Weather in Jacksonville Beach

Last updated: March 2, 2024

The weather in Jacksonville Beach, United States, during December is characterized by an average temperature of 15°C (60°F). Highs can soar to 26°C (79°F), while lows may dip to 3°C (38°F). Typically, the humidity level in Jacksonville Beach throughout December hovers around 85%.

3°C (38°F)

Minimum temperature

15°C (60°F)

Average temperature

26°C (79°F)

Maximum temperature

85%

Humidity

Precipitation and Sunshine hours

In December, Jacksonville Beach averages 75 mm (2.9 inches) of rainfall, typically over the course of 8 rainy days. The month enjoys an average of 10 hours 12 minutes of daylight, with the sun shining for approximately 7 hours 27 minutes each day. Additionally, there is a 47% probability of sunny days during this period.

75 mm (2.9 inches)

Precipitation

8 rainy days

Rainy days

7 hours 27 minutes

Sunshine hours

47%

Chance of sun

UV Index

In December, the UV Index in Jacksonville Beach reaches a maximum of 5, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 5 4 3 2 1 1 0 0
Exposure Low Moderate Low
Time to burn 45 min 30 min 45 min

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