December Weather in Londres, Argentina

Last updated: August 22, 2025

In December, the average temperature in Londres, Argentina is a comfortable 19°C (66°F). While temperatures can dip to a minimum of 8°C (47°F), they can also soar to a maximum of 32°C (90°F). During this time, expect 95 mm (3.8 in) of precipitation spread over 14 days and an average humidity level of 74%. Prepare for a mix of mild and warm days, along with some rainy spells!

December Temperature in Londres

In December in Londres, the average temperature is 19°C (66°F). The maximum can reach 32°C (90°F) and the minimum can be as low as 8°C (47°F). This makes it a great time to visit for those who enjoy mild weather with a chance for warm days and cooler evenings.

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

The chart illustrates December temperature patterns in Londres, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Londres, December typically has an average temperature of 19°C (66°F), with highs reaching up to 32°C (90°F) and lows dropping to around 8°C (47°F).

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

December Precipitation in Londres

In Londres in December, the precipitation amount is 95 mm (3.8 in) over the course of 14 days.

December Precipitation Trends in Londres

The chart displays monthly precipitation patterns in Londres, 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 Londres, December typically receives around 95 mm (3.8 inches) of precipitation spread over approximately 14 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 Londres

In Londres in December humidity is 74%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making it ideal for leisurely outdoor exploration but potentially heavy for those not accustomed to tropical conditions.

December Average Humidity in Londres

This chart illustrates the average monthly humidity levels in Londres, 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 Londres is approximately 74%, 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 Londres

In Londres in December, the maximum UV index reaches an alarming 17, which falls under the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to stay protected. For more details on the hourly UV index in Londres, you can check Hourly UV Index in Londres.

Maximum UV Index Levels in Londres for December

The chart shows the monthly maximum UV Index (UVI) for Londres 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 Londres typically reaches 17, which falls under the extreme exposure category.

Data source: Londres 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 Londres Compares to Other Months

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

This table compares monthly weather conditions in Londres, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (68°F)	115 mm (4.5 inches)	79%	extreme
February Weather	18°C (65°F)	104 mm (4.1 inches)	81%	extreme
March Weather	17°C (62°F)	88 mm (3.5 inches)	83%	extreme
April Weather	15°C (59°F)	48 mm (1.9 inches)	85%	extreme
May Weather	11°C (53°F)	23 mm (0.9 inches)	75%	very high
June Weather	9°C (49°F)	10 mm (0.4 inches)	62%	high
July Weather	9°C (48°F)	5 mm (0.2 inches)	53%	high
August Weather	11°C (52°F)	6 mm (0.2 inches)	44%	very high
September Weather	13°C (56°F)	11 mm (0.4 inches)	58%	extreme
October Weather	16°C (61°F)	24 mm (0.9 inches)	54%	extreme
November Weather	18°C (65°F)	52 mm (2.0 inches)	66%	extreme
December Weather	19°C (66°F)	95 mm (3.8 inches)	74%	extreme