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December Weather in Rio Rico, United States

Last updated: June 24, 2025

In Rio Rico, United States, the average temperature in December hovers around 10°C (50°F). Temperatures can range from a brisk -4°C (25°F) to a warm 24°C (76°F), offering a diverse climate experience. During this month, expect approximately 24 mm (0.9 in) of precipitation spread over 4 days, coupled with an average humidity level of 81%. Prepare accordingly for a blend of cool breezes and occasional rain!

December Temperature in Rio Rico

In December in Rio Rico, the average temperature is 10°C (50°F), with maximums reaching 24°C (76°F) and minimums dropping as low as -4°C (25°F). Be prepared for a mix of mild and chilly weather, so it's wise to pack layers for your travels.

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

The chart illustrates December temperature patterns in Rio Rico, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Rico, December typically has an average temperature of 10°C (50°F), with highs reaching up to 24°C (76°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec495157667282807976685950
Data source: Temperature data for Rio Rico generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Rio Rico

In Rio Rico in December, the precipitation amount is 24 mm (0.9 in) over a period of 4 days.

December Precipitation Trends in Rio Rico

The chart displays monthly precipitation patterns in Rio Rico, 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 Rico, December typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec2735204310987640112124
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rio Rico

In Rio Rico in December humidity is 81%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that can make outdoor activities uncomfortable and might leave travelers feeling heavy and lethargic as the moisture clings to their skin.

December Average Humidity in Rio Rico

This chart illustrates the average monthly humidity levels in Rio Rico, 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 Rico is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%71%60%43%32%28%38%60%72%66%74%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Rio Rico

In Rio Rico 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 Rio Rico.

Maximum UV Index Levels in Rio Rico for December

The chart shows the monthly maximum UV Index (UVI) for Rio Rico 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 Rico typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5710121213121211965
Data source: Rio Rico 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 Rico Compares to Other Months

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

This table compares monthly weather conditions in Rio Rico, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)27 mm (1.1 inches)74%moderate
February Weather10°C (51°F)35 mm (1.4 inches)71%high
March Weather14°C (57°F)20 mm (0.8 inches)60%very high
April Weather19°C (66°F)4 mm (0.2 inches)43%extreme
May Weather22°C (72°F)3 mm (0.1 inches)32%extreme
June Weather28°C (82°F)10 mm (0.4 inches)28%extreme
July Weather27°C (81°F)98 mm (3.9 inches)38%extreme
August Weather26°C (79°F)76 mm (3.0 inches)60%extreme
September Weather25°C (76°F)40 mm (1.6 inches)72%extreme
October Weather20°C (68°F)11 mm (0.4 inches)66%very high
November Weather15°C (60°F)21 mm (0.8 inches)74%high
December Weather10°C (50°F)24 mm (0.9 inches)81%moderate

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