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December Weather in Ulumal, Mexico

Last updated: August 27, 2025

In December, the average temperature in Ulumal, Mexico is a pleasant 25°C (77°F). However, temperatures can range significantly, with lows dipping to 9°C (49°F) and highs soaring to 38°C (100°F). Expect about 24 mm (0.9 in) of precipitation spread over 4 days, and enjoy a humid atmosphere with an average humidity of 84%.

December Temperature in Ulumal

In December in Ulumal, the average temperature is 25°C (77°F). The maximum can reach 38°C (100°F) and the minimum can be as low as 9°C (49°F). Overall, this climate makes Ulumal an ideal destination for travelers seeking a warm getaway with pleasant fluctuations in temperature.

December Weather in Ulumal: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Ulumal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ulumal, December typically has an average temperature of 25°C (77°F), with highs reaching up to 38°C (100°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec768083868884858583827977
Data source: Temperature data for Ulumal 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 Ulumal

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

December Precipitation Trends in Ulumal

The chart displays monthly precipitation patterns in Ulumal, 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 Ulumal, December typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec1544124120568991321314624
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ulumal

In Ulumal in December, humidity is 84%. With an average temperature of 25°C (77°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities challenging and prompting travelers to seek shade and stay hydrated.

December Average Humidity in Ulumal

This chart illustrates the average monthly humidity levels in Ulumal, 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 Ulumal is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%73%64%61%60%59%64%76%80%82%83%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ulumal

In Ulumal in December, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Ulumal.

Maximum UV Index Levels in Ulumal for December

The chart shows the monthly maximum UV Index (UVI) for Ulumal 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 Ulumal typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313131313121198
Data source: Ulumal 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 Ulumal Compares to Other Months

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

This table compares monthly weather conditions in Ulumal, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)15 mm (0.6 inches)78%very high
February Weather27°C (80°F)4 mm (0.2 inches)73%extreme
March Weather28°C (83°F)4 mm (0.2 inches)64%extreme
April Weather30°C (87°F)12 mm (0.5 inches)61%extreme
May Weather31°C (88°F)40 mm (1.6 inches)59%extreme
June Weather29°C (85°F)205 mm (8.1 inches)59%extreme
July Weather30°C (85°F)68 mm (2.7 inches)64%extreme
August Weather29°C (85°F)99 mm (3.9 inches)76%extreme
September Weather29°C (84°F)132 mm (5.2 inches)80%extreme
October Weather28°C (82°F)131 mm (5.2 inches)82%extreme
November Weather26°C (79°F)46 mm (1.8 inches)83%very high
December Weather25°C (77°F)24 mm (0.9 inches)84%very high

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