December Weather in Cupuan del Rio, Mexico

Last updated: August 27, 2025

In December, the average temperature in Cupuan del Rio, Mexico is a pleasant 23°C (74°F). Expect lows around 11°C (51°F) and highs reaching up to 34°C (93°F). The region experiences 15 mm (0.6 in) of precipitation over approximately 3 days, paired with an average humidity level of 74%, creating a comfortable yet slightly moist environment.

December Temperature in Cupuan del Rio

In December in Cupuan del Rio, the average temperature is 23°C (74°F). The maximum can reach 34°C (93°F) and the minimum can be as low as 11°C (51°F). This pleasant climate makes it a great time for travelers to explore and enjoy outdoor activities.

December Weather in Cupuan del Rio: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Cupuan del Rio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cupuan del Rio, December typically has an average temperature of 23°C (74°F), with highs reaching up to 34°C (93°F) and lows dropping to around 11°C (51°F).

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

December Precipitation in Cupuan del Rio

In Cupuan del Rio in December, the precipitation amount is 15 mm (0.6 in) over the course of 3 days.

December Precipitation Trends in Cupuan del Rio

The chart displays monthly precipitation patterns in Cupuan del Rio, 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 Cupuan del Rio, December typically receives around 15 mm (0.6 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 Cupuan del Rio

In Cupuan del Rio in December humidity is 74%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping blanket, making outdoor activities a bit sticky and potentially exhausting, so travelers should stay hydrated and take frequent breaks in the shade.

December Average Humidity in Cupuan del Rio

This chart illustrates the average monthly humidity levels in Cupuan del Rio, 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 Cupuan del Rio 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 Cupuan del Rio

In Cupuan del Rio in December, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Cupuan del Rio.

Maximum UV Index Levels in Cupuan del Rio for December

The chart shows the monthly maximum UV Index (UVI) for Cupuan del Rio 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 Cupuan del Rio typically reaches 8, which falls under the very high exposure category.

Data source: Cupuan del Rio 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 Cupuan del Rio Compares to Other Months

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

This table compares monthly weather conditions in Cupuan del Rio, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (74°F)	10 mm (0.4 inches)	70%	very high
February Weather	24°C (76°F)	10 mm (0.4 inches)	64%	extreme
March Weather	26°C (79°F)	4 mm (0.2 inches)	54%	extreme
April Weather	27°C (80°F)	1 mm (0.0 inches)	61%	extreme
May Weather	28°C (82°F)	22 mm (0.9 inches)	75%	extreme
June Weather	27°C (81°F)	166 mm (6.5 inches)	83%	extreme
July Weather	27°C (80°F)	201 mm (7.9 inches)	83%	extreme
August Weather	26°C (79°F)	247 mm (9.7 inches)	85%	extreme
September Weather	26°C (79°F)	225 mm (8.9 inches)	85%	extreme
October Weather	26°C (79°F)	166 mm (6.5 inches)	79%	extreme
November Weather	25°C (77°F)	66 mm (2.6 inches)	76%	very high
December Weather	23°C (74°F)	15 mm (0.6 inches)	74%	very high