December Weather in El Rio, United States

Last updated: June 24, 2025

In El Rio, United States, the average temperature in December hovers around 13°C (57°F). Temperatures can vary widely, dipping to a cool 6°C (43°F) and soaring to a pleasant 25°C (78°F). Expect about 70 mm (2.8 in) of precipitation spread over 5 days, with an average humidity level of 76%. Be prepared for a mix of conditions!

December Temperature in El Rio

In December in El Rio, the average temperature is 13°C (57°F). Maximums can reach 25°C (78°F), while minimums can drop to as low as 6°C (43°F). This moderate climate makes El Rio a pleasant destination for travelers seeking a comfortable getaway.

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

The chart illustrates December temperature patterns in El Rio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In El Rio, December typically has an average temperature of 13°C (57°F), with highs reaching up to 25°C (78°F) and lows dropping to around 6°C (43°F).

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

December Precipitation in El Rio

In El Rio in December, the precipitation amount is 70 mm (2.8 in) over the course of 5 days.

December Precipitation Trends in El Rio

The chart displays monthly precipitation patterns in El 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 El Rio, December typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 5 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in El Rio

In El Rio in December humidity is 76%. With an average temperature of 13°C (57°F), this humidity feels like a damp chill wrapping around you, making travel uncomfortable and prompting a constant need for a light jacket as you navigate through the misty atmosphere.

December Average Humidity in El Rio

This chart illustrates the average monthly humidity levels in El 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 El Rio is approximately 76%, 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 El Rio

In El Rio in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in El Rio for better planning.

Maximum UV Index Levels in El Rio for December

The chart shows the monthly maximum UV Index (UVI) for El 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 El Rio typically reaches 4, which falls under the moderate exposure category.

Data source: El 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 El Rio Compares to Other Months

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

This table compares monthly weather conditions in El Rio, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (56°F)	84 mm (3.3 inches)	78%	moderate
February Weather	13°C (56°F)	69 mm (2.7 inches)	82%	high
March Weather	14°C (57°F)	78 mm (3.1 inches)	75%	very high
April Weather	16°C (60°F)	20 mm (0.8 inches)	68%	very high
May Weather	16°C (61°F)	14 mm (0.5 inches)	57%	extreme
June Weather	18°C (65°F)	4 mm (0.1 inches)	52%	extreme
July Weather	21°C (69°F)	1 mm (0.1 inches)	46%	extreme
August Weather	21°C (70°F)	2 mm (0.1 inches)	39%	extreme
September Weather	20°C (69°F)	2 mm (0.1 inches)	48%	very high
October Weather	19°C (66°F)	9 mm (0.4 inches)	59%	high
November Weather	16°C (61°F)	20 mm (0.8 inches)	72%	moderate
December Weather	13°C (57°F)	70 mm (2.8 inches)	76%	moderate