December Weather in Scotland, United States

Last updated: June 24, 2025

In Scotland, United States, the average temperature in December hovers around -3°C (27°F), with extremes reaching a minimum of -27°C (-17°F) and a maximum of 18°C (64°F). Expect about 40 mm (1.6 in) of precipitation over 4 days, while the air maintains an average humidity of 79%.

December Temperature in Scotland

In December in Scotland, the average temperature is -3°C (27°F). Maximums can reach 18°C (64°F) and minimums can plunge as low as -27°C (-17°F). Be prepared for a wide range of temperatures if you plan to travel to Scotland during this time.

December Weather in Scotland: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Scotland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Scotland, December typically has an average temperature of -3°C (27°F), with highs reaching up to 18°C (64°F) and lows dropping to around -27°C (-17°F).

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

December Precipitation in Scotland

In Scotland in December, the precipitation amount is 40 mm (1.6 in) spread over a duration of 4 days.

December Precipitation Trends in Scotland

The chart displays monthly precipitation patterns in Scotland, 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 Scotland, December typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 4 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 Scotland

In Scotland in December, humidity is 79%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and necessitating extra layers to stay warm.

December Average Humidity in Scotland

This chart illustrates the average monthly humidity levels in Scotland, 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 Scotland is approximately 79%, 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 Scotland

In Scotland in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Scotland, you can visit Hourly UV Index in Scotland.

Maximum UV Index Levels in Scotland for December

The chart shows the monthly maximum UV Index (UVI) for Scotland 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 Scotland typically reaches 2, which falls under the low exposure category.

Data source: Scotland 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 Scotland Compares to Other Months

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

This table compares monthly weather conditions in Scotland, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	19 mm (0.8 inches)	77%	low
February Weather	-6°C (21°F)	22 mm (0.9 inches)	81%	moderate
March Weather	2°C (37°F)	67 mm (2.6 inches)	71%	high
April Weather	7°C (46°F)	67 mm (2.6 inches)	75%	very high
May Weather	15°C (60°F)	131 mm (5.2 inches)	74%	very high
June Weather	23°C (74°F)	78 mm (3.1 inches)	82%	extreme
July Weather	25°C (77°F)	90 mm (3.6 inches)	84%	very high
August Weather	23°C (73°F)	100 mm (4.0 inches)	82%	very high
September Weather	19°C (67°F)	93 mm (3.7 inches)	75%	very high
October Weather	9°C (49°F)	79 mm (3.1 inches)	72%	moderate
November Weather	2°C (36°F)	22 mm (0.9 inches)	81%	moderate
December Weather	-3°C (27°F)	40 mm (1.6 inches)	79%	low