December Weather in Saint Andrews, United States

Last updated: June 24, 2025

In December, the average temperature in Saint Andrews, United States hovers around 10°C (51°F). While you may experience a chilly minimum of -4°C (24°F), daytime can delight you with highs reaching up to 25°C (78°F). Be prepared for a bit of rain, as 124 mm (4.9 in) of precipitation often falls over about 11 days, accompanied by a high average humidity of 87%.

December Temperature in Saint Andrews

In December in Saint Andrews, the average temperature is 10°C (51°F), with maximums reaching 25°C (78°F) and minimums dipping as low as -4°C (24°F). This range makes it important for travelers to pack for both warm and cool conditions, ensuring comfort for various outdoor activities.

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

The chart illustrates December temperature patterns in Saint Andrews, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Andrews, December typically has an average temperature of 10°C (51°F), with highs reaching up to 25°C (78°F) and lows dropping to around -4°C (24°F).

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

December Precipitation in Saint Andrews

In Saint Andrews in December, the precipitation amount is 124 mm (4.9 in) over the course of 11 days.

December Precipitation Trends in Saint Andrews

The chart displays monthly precipitation patterns in Saint Andrews, 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 Andrews, December typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 11 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 Andrews

In Saint Andrews in December humidity is 87%. With an average temperature of 10°C (51°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities uncomfortable and sticky, and often requiring frequent breaks to stay hydrated and cool.

December Average Humidity in Saint Andrews

This chart illustrates the average monthly humidity levels in Saint Andrews, 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 Andrews is approximately 87%, 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 Andrews

In Saint Andrews in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Saint Andrews for better planning.

Maximum UV Index Levels in Saint Andrews for December

The chart shows the monthly maximum UV Index (UVI) for Saint Andrews 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 Andrews typically reaches 4, which falls under the moderate exposure category.

Data source: Saint Andrews 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 Andrews Compares to Other Months

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

This table compares monthly weather conditions in Saint Andrews, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	85 mm (3.3 inches)	86%	moderate
February Weather	12°C (53°F)	108 mm (4.3 inches)	81%	high
March Weather	14°C (57°F)	79 mm (3.1 inches)	81%	very high
April Weather	18°C (64°F)	107 mm (4.2 inches)	79%	very high
May Weather	23°C (73°F)	102 mm (4.0 inches)	75%	very high
June Weather	26°C (78°F)	99 mm (3.9 inches)	75%	extreme
July Weather	27°C (81°F)	142 mm (5.6 inches)	80%	extreme
August Weather	27°C (80°F)	137 mm (5.4 inches)	81%	extreme
September Weather	25°C (77°F)	93 mm (3.7 inches)	83%	very high
October Weather	20°C (69°F)	77 mm (3.0 inches)	78%	very high
November Weather	13°C (55°F)	68 mm (2.7 inches)	85%	high
December Weather	10°C (51°F)	124 mm (4.9 inches)	87%	moderate