December Weather in Malta, United States

Last updated: June 24, 2025

In December, the average temperature in Malta, United States hovers around -5°C (24°F), with extremes ranging from a frigid -36°C (-32°F) to a surprisingly warm 20°C (68°F). Be prepared for 19 mm (0.7 in) of precipitation spread over 4 days, contributing to an average humidity of 89%. Whether you're bundling up or enjoying a rare warm day, the weather here promises to be memorable!

December Temperature in Malta

In December in Malta, the average temperature is -5°C (24°F). Maximum temperatures can reach 20°C (68°F), while minimums can plummet to -36°C (-32°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both chilly and surprisingly warm days.

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

The chart illustrates December temperature patterns in Malta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Malta, December typically has an average temperature of -5°C (24°F), with highs reaching up to 20°C (68°F) and lows dropping to around -36°C (-32°F).

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

December Precipitation in Malta

In Malta in December, the precipitation amount is 19 mm (0.7 in) over the course of 4 days.

December Precipitation Trends in Malta

The chart displays monthly precipitation patterns in Malta, 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 Malta, December typically receives around 19 mm (0.7 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 Malta

In Malta in December humidity is 89%. With an average temperature of -5°C (24°F), this humidity feels like an uncomfortable chill enveloping you, making outdoor activities less enjoyable and requiring extra layers to stay warm while battling the dampness in the air.

December Average Humidity in Malta

This chart illustrates the average monthly humidity levels in Malta, 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 Malta is approximately 89%, 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 Malta

In Malta 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 Malta, you can visit Hourly UV Index in Malta.

Maximum UV Index Levels in Malta for December

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

Data source: Malta 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 Malta Compares to Other Months

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

This table compares monthly weather conditions in Malta, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	10 mm (0.4 inches)	85%	low
February Weather	-9°C (15°F)	24 mm (1.0 inches)	90%	moderate
March Weather	-1°C (31°F)	22 mm (0.9 inches)	82%	moderate
April Weather	5°C (42°F)	24 mm (1.0 inches)	73%	high
May Weather	13°C (55°F)	40 mm (1.6 inches)	73%	very high
June Weather	19°C (66°F)	58 mm (2.3 inches)	72%	very high
July Weather	23°C (74°F)	16 mm (0.6 inches)	74%	very high
August Weather	21°C (71°F)	32 mm (1.3 inches)	71%	very high
September Weather	15°C (60°F)	48 mm (1.9 inches)	65%	high
October Weather	7°C (44°F)	25 mm (1.0 inches)	68%	moderate
November Weather	0°C (32°F)	26 mm (1.0 inches)	81%	moderate
December Weather	-5°C (24°F)	19 mm (0.7 inches)	89%	low