December Weather in March, United Kingdom

Last updated: August 27, 2025

In December, the average temperature in March, United Kingdom hovers around 6°C (43°F), with lows dropping to a chilly -3°C (27°F) and highs reaching a comfortable 15°C (60°F). Expect moderate rainfall of about 78 mm (3.1 in) spread over 15 days, coupled with high humidity levels at 88%. Prepare for a mix of cool days and damp conditions!

December Temperature in March

In December in March, the average temperature is 6°C (43°F). The maximum can reach 15°C (60°F) and the minimum can be as low as -3°C (27°F). Be prepared for a range of temperatures and pack accordingly for your trip!

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

The chart illustrates December temperature patterns in March, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In March, December typically has an average temperature of 6°C (43°F), with highs reaching up to 15°C (60°F) and lows dropping to around -3°C (27°F).

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

December Precipitation in March

In March, in December, the precipitation amount is 78 mm (3.1 in) over a span of 15 days.

December Precipitation Trends in March

The chart displays monthly precipitation patterns in March, 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 March, December typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 15 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 March

In March in December, humidity is 88%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and prompting you to seek warm shelter frequently.

December Average Humidity in March

This chart illustrates the average monthly humidity levels in March, 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 March is approximately 88%, 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 March

In March in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in March.

Maximum UV Index Levels in March for December

The chart shows the monthly maximum UV Index (UVI) for March 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 March typically reaches 1, which falls under the low exposure category.

Data source: March 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 March Compares to Other Months

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

This table compares monthly weather conditions in March, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	48 mm (1.9 inches)	89%	low
February Weather	6°C (43°F)	48 mm (1.9 inches)	87%	low
March Weather	7°C (46°F)	53 mm (2.1 inches)	86%	moderate
April Weather	9°C (49°F)	33 mm (1.3 inches)	85%	moderate
May Weather	13°C (55°F)	65 mm (2.6 inches)	83%	high
June Weather	16°C (62°F)	72 mm (2.8 inches)	83%	very high
July Weather	18°C (65°F)	68 mm (2.7 inches)	79%	very high
August Weather	18°C (65°F)	72 mm (2.8 inches)	78%	high
September Weather	15°C (60°F)	56 mm (2.2 inches)	84%	moderate
October Weather	12°C (54°F)	75 mm (3.0 inches)	88%	moderate
November Weather	8°C (46°F)	48 mm (1.9 inches)	89%	low
December Weather	6°C (43°F)	78 mm (3.1 inches)	88%	low