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December Weather in Isla Arena, Mexico

Last updated: August 27, 2025

In December, the average temperature in Isla Arena, Mexico is a pleasant 24°C (76°F), with daily highs reaching up to 29°C (85°F) and lows dipping to 18°C (65°F). Expect some rain, as 19 mm (0.8 in) of precipitation typically falls over 4 days. The air is quite humid, with an average humidity level of 84%, creating a tropical atmosphere perfect for exploration.

December Temperature in Isla Arena

In December in Isla Arena, the average temperature is 24°C (76°F), with maximums reaching up to 29°C (85°F) and minimums dropping to as low as 18°C (65°F). This makes it an ideal time for travelers to enjoy pleasant weather while exploring the area.

December Weather in Isla Arena: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Isla Arena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Isla Arena, December typically has an average temperature of 24°C (76°F), with highs reaching up to 29°C (85°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec747677818282838382817875
Data source: Temperature data for Isla Arena 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 Isla Arena

In Isla Arena in December, the precipitation amount is 19 mm (0.8 in) over a span of 4 days.

December Precipitation Trends in Isla Arena

The chart displays monthly precipitation patterns in Isla Arena, 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 Isla Arena, December typically receives around 19 mm (0.8 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec17625131281351441113319
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Isla Arena

In Isla Arena in December humidity is 84%. With an average temperature of 24°C (76°F), this humidity feels like a warm, damp embrace that can make outdoor activities feel sticky and uncomfortable, requiring frequent breaks in the shade and plenty of hydration for travelers.

December Average Humidity in Isla Arena

This chart illustrates the average monthly humidity levels in Isla Arena, 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 Isla Arena is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%80%76%74%72%73%77%77%76%77%81%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Isla Arena

In Isla Arena in December, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Isla Arena.

Maximum UV Index Levels in Isla Arena for December

The chart shows the monthly maximum UV Index (UVI) for Isla Arena 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 Isla Arena typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810131313131312121187
Data source: Isla Arena 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 Isla Arena Compares to Other Months

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

This table compares monthly weather conditions in Isla Arena, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)17 mm (0.7 inches)79%very high
February Weather24°C (76°F)6 mm (0.2 inches)80%very high
March Weather25°C (78°F)2 mm (0.1 inches)76%extreme
April Weather27°C (81°F)5 mm (0.2 inches)74%extreme
May Weather28°C (83°F)13 mm (0.5 inches)72%extreme
June Weather28°C (83°F)128 mm (5.0 inches)73%extreme
July Weather28°C (83°F)13 mm (0.5 inches)77%extreme
August Weather28°C (83°F)51 mm (2.0 inches)77%extreme
September Weather28°C (83°F)44 mm (1.7 inches)75%extreme
October Weather27°C (82°F)111 mm (4.4 inches)76%extreme
November Weather25°C (78°F)33 mm (1.3 inches)81%very high
December Weather24°C (76°F)19 mm (0.8 inches)84%high

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