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December Weather in Arroyo Prieto, Mexico

Last updated: August 27, 2025

In December, the average temperature in Arroyo Prieto, Mexico is a comfortable 21°C (70°F). Expect a range that dips to a minimum of 10°C (50°F) and can soar up to 31°C (87°F). With an average humidity level of 70%, you may also experience some rain, with 22 mm (0.9 in) of precipitation spread over roughly 3 days. Enjoy the mild climate!

December Temperature in Arroyo Prieto

In December in Arroyo Prieto, the average temperature is 21°C (70°F). Maximums can reach 31°C (87°F) and minimums can be as low as 10°C (50°F). This pleasant climate makes it an ideal time for travelers to explore the area comfortably.

December Weather in Arroyo Prieto: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Arroyo Prieto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arroyo Prieto, December typically has an average temperature of 21°C (70°F), with highs reaching up to 31°C (87°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec697173757572737272727170
Data source: Temperature data for Arroyo Prieto 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 Arroyo Prieto

In Arroyo Prieto in December, the precipitation amount is 22 mm (0.9 in) over a span of 3 days.

December Precipitation Trends in Arroyo Prieto

The chart displays monthly precipitation patterns in Arroyo Prieto, 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 Arroyo Prieto, December typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec527121184323104375223914622
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Arroyo Prieto

In Arroyo Prieto in December, humidity is 70%. With an average temperature of 21°C (70°F), this humidity feels like a warm, muggy embrace, making travel slightly uncomfortable, as the air clings to your skin and can leave you feeling sticky and in need of frequent breaks to cool down.

December Average Humidity in Arroyo Prieto

This chart illustrates the average monthly humidity levels in Arroyo Prieto, 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 Arroyo Prieto is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%61%59%62%73%78%79%82%82%79%72%70%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Arroyo Prieto

In Arroyo Prieto in December, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Arroyo Prieto.

Maximum UV Index Levels in Arroyo Prieto for December

The chart shows the monthly maximum UV Index (UVI) for Arroyo Prieto 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 Arroyo Prieto typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121415151414141412109
Data source: Arroyo Prieto 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 Arroyo Prieto Compares to Other Months

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

This table compares monthly weather conditions in Arroyo Prieto, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (70°F)5 mm (0.2 inches)65%very high
February Weather21°C (71°F)2 mm (0.1 inches)61%extreme
March Weather23°C (73°F)7 mm (0.3 inches)59%extreme
April Weather24°C (75°F)12 mm (0.5 inches)62%extreme
May Weather24°C (76°F)118 mm (4.7 inches)73%extreme
June Weather22°C (73°F)432 mm (17.0 inches)78%extreme
July Weather23°C (73°F)310 mm (12.2 inches)79%extreme
August Weather22°C (72°F)437 mm (17.2 inches)82%extreme
September Weather22°C (72°F)522 mm (20.6 inches)82%extreme
October Weather22°C (72°F)391 mm (15.4 inches)79%extreme
November Weather22°C (71°F)46 mm (1.8 inches)72%very high
December Weather21°C (70°F)22 mm (0.9 inches)70%very high

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