December Weather in Saint Augustine Shores, United States

Last updated: June 24, 2025

In December, the average temperature in Saint Augustine Shores, United States is a pleasant 17°C (63°F). Expect temperatures to range from a cool 4°C (39°F) at night to a comfortable 26°C (78°F) during the day. With 70 mm (2.7 in) of precipitation spread over 8 days, don't forget to pack your umbrella. The average humidity is quite high at 84%, so be prepared for a muggy atmosphere!

December Temperature in Saint Augustine Shores

In December, in Saint Augustine Shores, the average temperature is 17°C (63°F). Maximums can reach 26°C (78°F), while minimums can drop to as low as 4°C (39°F). This pleasant climate makes Saint Augustine Shores an ideal destination for travelers seeking comfortable weather.

December Weather in Saint Augustine Shores: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Saint Augustine Shores, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Augustine Shores, December typically has an average temperature of 17°C (63°F), with highs reaching up to 26°C (78°F) and lows dropping to around 4°C (39°F).

Data source: Temperature data for Saint Augustine Shores generated using information from the Copernicus Climate Change Service.

December Precipitation in Saint Augustine Shores

In Saint Augustine Shores in December, the precipitation amount is 70 mm (2.7 in) spread over 8 days.

December Precipitation Trends in Saint Augustine Shores

The chart displays monthly precipitation patterns in Saint Augustine Shores, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Saint Augustine Shores, December typically receives around 70 mm (2.7 inches) of precipitation spread over approximately 8 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Saint Augustine Shores

In Saint Augustine Shores in December, humidity is 84%. With an average temperature of 17°C (63°F), this humidity feels like a warm, sticky embrace that can make traveling feel heavy and cumbersome, often leaving visitors yearning for refreshing breezes and shade.

December Average Humidity in Saint Augustine Shores

This chart illustrates the average monthly humidity levels in Saint Augustine Shores, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Saint Augustine Shores is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Saint Augustine Shores

In Saint Augustine Shores in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Saint Augustine Shores.

Maximum UV Index Levels in Saint Augustine Shores for December

The chart shows the monthly maximum UV Index (UVI) for Saint Augustine Shores in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Saint Augustine Shores typically reaches 5, which falls under the moderate exposure category.

Data source: Saint Augustine Shores December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How December Weather in Saint Augustine Shores Compares to Other Months

Weather in Saint Augustine Shores varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Saint Augustine Shores, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Saint Augustine Shores, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	15°C (60°F)	47 mm (1.9 inches)	83%	moderate
February Weather	17°C (63°F)	61 mm (2.4 inches)	80%	very high
March Weather	18°C (66°F)	34 mm (1.3 inches)	75%	very high
April Weather	21°C (70°F)	82 mm (3.2 inches)	70%	extreme
May Weather	24°C (76°F)	77 mm (3.0 inches)	68%	extreme
June Weather	26°C (80°F)	143 mm (5.6 inches)	75%	extreme
July Weather	27°C (82°F)	161 mm (6.3 inches)	79%	extreme
August Weather	28°C (82°F)	146 mm (5.8 inches)	81%	extreme
September Weather	27°C (81°F)	162 mm (6.4 inches)	83%	extreme
October Weather	25°C (77°F)	123 mm (4.9 inches)	81%	very high
November Weather	20°C (68°F)	91 mm (3.6 inches)	82%	high
December Weather	17°C (63°F)	70 mm (2.7 inches)	84%	moderate