December Weather in Islita, Mexico

Last updated: August 27, 2025

In Islita, Mexico, the average temperature in December hovers around 14°C (58°F), with temperatures ranging from a cool 2°C (37°F) to a warm 28°C (83°F). Expect precipitation of about 9 mm (0.4 in) over just 1 day, and enjoy the crisp air with an average humidity of 78%.

December Temperature in Islita

In December in Islita, the average temperature is 14°C (58°F). Maximums can reach 28°C (83°F), while minimums can be as low as 2°C (37°F). This weather makes it an ideal time for travelers looking to explore the outdoors while enjoying mild temperatures.

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

The chart illustrates December temperature patterns in Islita, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Islita, December typically has an average temperature of 14°C (58°F), with highs reaching up to 28°C (83°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec596167768190959689776858
Data source: Temperature data for Islita 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 Islita

In Islita in December, the precipitation amount is 9 mm (0.4 in) over the course of 1 day.

December Precipitation Trends in Islita

The chart displays monthly precipitation patterns in Islita, 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 Islita, December typically receives around 9 mm (0.4 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec915193106620889
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Islita

In Islita in December, humidity is 78%. With an average temperature of 14°C (58°F), this humidity feels like a damp embrace, making traveling a bit uncomfortable as the air clings to your skin, causing you to sweat more than usual while exploring.

December Average Humidity in Islita

This chart illustrates the average monthly humidity levels in Islita, 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 Islita is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%76%65%50%33%28%28%33%50%61%70%78%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Islita

In Islita in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Islita for better planning.

Maximum UV Index Levels in Islita for December

The chart shows the monthly maximum UV Index (UVI) for Islita 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 Islita typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469101112121110854
Data source: Islita 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 Islita Compares to Other Months

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

This table compares monthly weather conditions in Islita, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (59°F)9 mm (0.4 inches)73%moderate
February Weather16°C (61°F)15 mm (0.6 inches)76%high
March Weather20°C (68°F)19 mm (0.7 inches)65%very high
April Weather24°C (76°F)3 mm (0.1 inches)50%very high
May Weather27°C (81°F)1 mm (0.0 inches)33%extreme
June Weather32°C (90°F)0 mm (0.0 inches)28%extreme
July Weather35°C (96°F)6 mm (0.2 inches)28%extreme
August Weather35°C (96°F)6 mm (0.2 inches)33%extreme
September Weather32°C (89°F)20 mm (0.8 inches)50%very high
October Weather25°C (78°F)8 mm (0.3 inches)61%very high
November Weather20°C (68°F)8 mm (0.3 inches)70%moderate
December Weather14°C (58°F)9 mm (0.4 inches)78%moderate

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