December Weather in Ascencion, Mexico

Last updated: August 27, 2025

In Ascencion, Mexico, the average temperature in December is a cool 9°C (48°F). However, be prepared for temperature fluctuations, as it can dip to a brisk -4°C (24°F) or rise to a pleasant 24°C (75°F). Expect a moderate precipitation amount of 23 mm (0.9 in) over about 3 days, accompanied by a high average humidity of 85%.

December Temperature in Ascencion

In December in Ascencion, the average temperature is 9°C (48°F). The maximum can reach 24°C (75°F), and the minimum can be as low as -4°C (24°F). Make sure to pack layers to accommodate the wide temperature range during your travels!

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

The chart illustrates December temperature patterns in Ascencion, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ascencion, December typically has an average temperature of 9°C (48°F), with highs reaching up to 24°C (75°F) and lows dropping to around -4°C (24°F).

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

December Precipitation in Ascencion

In Ascencion in December, the precipitation amount is 23 mm (0.9 in) over the course of 3 days.

December Precipitation Trends in Ascencion

The chart displays monthly precipitation patterns in Ascencion, 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 Ascencion, December typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 3 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 Ascencion

In Ascencion in December humidity is 85%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill enveloping you, making outdoor activities less enjoyable and requiring extra layers to stay warm and comfortable while traveling.

December Average Humidity in Ascencion

This chart illustrates the average monthly humidity levels in Ascencion, 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 Ascencion is approximately 85%, 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 Ascencion

In Ascencion in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Ascencion.

Maximum UV Index Levels in Ascencion for December

The chart shows the monthly maximum UV Index (UVI) for Ascencion 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 Ascencion typically reaches 5, which falls under the moderate exposure category.

Data source: Ascencion 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 Ascencion Compares to Other Months

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

This table compares monthly weather conditions in Ascencion, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (48°F)	15 mm (0.6 inches)	79%	moderate
February Weather	11°C (52°F)	13 mm (0.5 inches)	76%	very high
March Weather	15°C (60°F)	12 mm (0.5 inches)	66%	very high
April Weather	20°C (69°F)	4 mm (0.1 inches)	51%	extreme
May Weather	24°C (76°F)	6 mm (0.2 inches)	42%	extreme
June Weather	29°C (84°F)	12 mm (0.5 inches)	37%	extreme
July Weather	27°C (81°F)	72 mm (2.8 inches)	51%	extreme
August Weather	27°C (80°F)	39 mm (1.5 inches)	64%	extreme
September Weather	24°C (76°F)	32 mm (1.3 inches)	74%	extreme
October Weather	20°C (68°F)	17 mm (0.7 inches)	71%	very high
November Weather	14°C (58°F)	13 mm (0.5 inches)	78%	high
December Weather	9°C (48°F)	23 mm (0.9 inches)	85%	moderate