December Weather in Rio Linda, United States

Last updated: June 24, 2025

In Rio Linda, United States, the average temperature in December hovers around 10°C (49°F). Visitors can expect minimum temperatures to dip to -2°C (29°F) while reaching a pleasant maximum of 24°C (76°F). With an average precipitation of 101 mm (4.0 in) spread over 9 days, and an average humidity level of 83%, it’s a month of diverse weather. Prepare accordingly for both cool breezes and warm sunshine!

December Temperature in Rio Linda

In December in Rio Linda, the average temperature is 10°C (49°F). Maximum temperatures can reach 24°C (76°F), while minimums can drop as low as -2°C (29°F). Overall, it's advisable to pack layers to prepare for a mix of warm days and cooler nights during your travels.

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

The chart illustrates December temperature patterns in Rio Linda, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Linda, December typically has an average temperature of 10°C (49°F), with highs reaching up to 24°C (76°F) and lows dropping to around -2°C (29°F).

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

December Precipitation in Rio Linda

In Rio Linda in December, the total precipitation amount is 101 mm (4.0 in), occurring over a span of 9 days.

December Precipitation Trends in Rio Linda

The chart displays monthly precipitation patterns in Rio Linda, 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 Rio Linda, December typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 9 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 Rio Linda

In Rio Linda in December humidity is 83%. With an average temperature of 10°C (49°F), this humidity feels like a damp chill enveloping you, making outdoor activities feel more uncomfortable and potentially dampening your travel experience.

December Average Humidity in Rio Linda

This chart illustrates the average monthly humidity levels in Rio Linda, 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 Rio Linda is approximately 83%, 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 Rio Linda

In Rio Linda in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Rio Linda, you can check the information here.

Maximum UV Index Levels in Rio Linda for December

The chart shows the monthly maximum UV Index (UVI) for Rio Linda 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 Rio Linda typically reaches 3, which falls under the moderate exposure category.

Data source: Rio Linda 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 Rio Linda Compares to Other Months

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

This table compares monthly weather conditions in Rio Linda, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	121 mm (4.7 inches)	84%	moderate
February Weather	11°C (53°F)	109 mm (4.3 inches)	84%	moderate
March Weather	14°C (57°F)	101 mm (4.0 inches)	83%	high
April Weather	17°C (63°F)	48 mm (1.9 inches)	81%	very high
May Weather	21°C (70°F)	23 mm (0.9 inches)	74%	very high
June Weather	25°C (78°F)	5 mm (0.2 inches)	64%	extreme
July Weather	27°C (80°F)	0 mm (0.0 inches)	44%	extreme
August Weather	26°C (79°F)	0 mm (0.0 inches)	36%	very high
September Weather	24°C (75°F)	3 mm (0.1 inches)	44%	very high
October Weather	19°C (67°F)	37 mm (1.5 inches)	65%	high
November Weather	13°C (56°F)	57 mm (2.2 inches)	84%	moderate
December Weather	10°C (49°F)	101 mm (4.0 inches)	83%	moderate