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December Weather in Union Miramar, Mexico

Last updated: August 26, 2025

In December, the average temperature in Union Miramar, Mexico hovers around 23°C (73°F). Expect a cozy minimum of 15°C (58°F) and a warm maximum of 30°C (87°F). Be prepared for some rainy days, with precipitation totaling 48 mm (1.9 in) over 9 days. The atmosphere tends to be quite humid, with an average humidity of 76%.

December Temperature in Union Miramar

In December in Union Miramar, the average temperature is 23°C (73°F). The maximum can reach 30°C (87°F) and the minimum can be as low as 15°C (58°F). This pleasant weather makes Union Miramar an ideal destination for outdoor activities and exploring the local attractions.

December Weather in Union Miramar: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Union Miramar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Union Miramar, December typically has an average temperature of 23°C (73°F), with highs reaching up to 30°C (87°F) and lows dropping to around 15°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec737576777775767575757473
Data source: Temperature data for Union Miramar 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 Union Miramar

In Union Miramar in December, the total precipitation amount is 48 mm (1.9 in) spread over 9 days.

December Precipitation Trends in Union Miramar

The chart displays monthly precipitation patterns in Union Miramar, 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 Union Miramar, December typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec27153812053355346059068365827648
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Union Miramar

In Union Miramar in December humidity is 76%. With an average temperature of 23°C (73°F), this humidity feels like a warm, enveloping blanket, making outdoor activities feel more intense and prompting travelers to seek shade or cool breaks more frequently.

December Average Humidity in Union Miramar

This chart illustrates the average monthly humidity levels in Union Miramar, 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 Union Miramar is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%68%59%57%65%66%75%82%82%83%80%76%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Union Miramar

In Union Miramar 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 Union Miramar.

Maximum UV Index Levels in Union Miramar for December

The chart shows the monthly maximum UV Index (UVI) for Union Miramar 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 Union Miramar typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141414131413109
Data source: Union Miramar 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 Union Miramar Compares to Other Months

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

This table compares monthly weather conditions in Union Miramar, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (73°F)27 mm (1.0 inches)76%very high
February Weather24°C (75°F)15 mm (0.6 inches)68%extreme
March Weather24°C (76°F)38 mm (1.5 inches)59%extreme
April Weather25°C (78°F)120 mm (4.7 inches)57%extreme
May Weather25°C (77°F)533 mm (21.0 inches)65%extreme
June Weather24°C (76°F)553 mm (21.8 inches)66%extreme
July Weather24°C (76°F)460 mm (18.1 inches)75%extreme
August Weather24°C (76°F)590 mm (23.2 inches)82%extreme
September Weather24°C (75°F)683 mm (26.9 inches)82%extreme
October Weather24°C (75°F)658 mm (25.9 inches)83%extreme
November Weather23°C (74°F)276 mm (10.9 inches)80%very high
December Weather23°C (73°F)48 mm (1.9 inches)76%very high

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