December Weather in Saint John's

Last updated: March 2, 2024

The weather in Saint John's, Antigua and Barbuda, during December is characterized by an average temperature of 26°C (79°F). Highs can soar to 27°C (81°F), while lows may dip to 24°C (75°F). Typically, the humidity level in Saint John's throughout December hovers around 78%.

24°C (75°F)

Minimum temperature

26°C (79°F)

Average temperature

27°C (81°F)

Maximum temperature

78%

Humidity

Precipitation and Sunshine hours

In December, Saint John's averages 52 mm (2.1 inches) of rainfall, typically over the course of 18 rainy days. The month enjoys an average of 11 hours 7 minutes of daylight, with the sun shining for approximately 10 hours 29 minutes each day. Additionally, there is a 67% probability of sunny days during this period.

52 mm (2.1 inches)

Precipitation

18 rainy days

Rainy days

10 hours 29 minutes

Sunshine hours

67%

Chance of sun

UV Index

In December, the UV Index in Saint John's reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 15 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 1 2 4 6 8 9 8 6 3 2 1 0 0
Exposure Low Moderate High VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 25 min 30 min 45 min

Compare Saint John's's Climate with Cities Worldwide