December Weather in Isla, Mexico

Last updated: April 22, 2025

Isla, Mexico, in December offers a delightful blend of warm temperatures and vibrant scenery. With a maximum of 34°C (94°F), the island basks in the sun, while the average temperature settles around a comfortable 23°C (73°F). Evenings cool down to a minimum of 12°C (54°F), perfect for strolls along the beach. December sees 41 mm (1.6 in) of rain spread over 7 days, contributing to the lush landscape. Notably, humidity levels hover around a high 88%, enhancing the tropical atmosphere. Visitors can expect a refreshing tropical experience with plenty of warmth and occasional rain.

December Temperature in Isla

In December, Isla, Mexico, experiences a delightful transition into the cooler season, marked by a minimum temperature of 12°C (54°F) and a pleasant average of 23°C (73°F). As the year winds down, daily highs hover around 34°C (94°F), providing just the right warmth for beachgoers and outdoor enthusiasts. This month clearly reflects a trend of decreasing temperatures from the warmer months, yet remains invitingly mild compared to the chilly winters in many parts of the world. With its comfortable climate, December invites visitors to explore Isla's vibrant culture while enjoying sunny days and cooler evenings, perfect for festive celebrations.

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

The chart illustrates December temperature patterns in Isla, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec727579838683828282807573
Data source: Temperature data for Isla generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Isla

In December, Isla, Mexico experiences a noteworthy shift in precipitation patterns, with an average of 41 mm (1.6 in) of rainfall spread across just 7 days. This decline marks a significant drop from earlier months, particularly the intense rainfall seen in September and October, where averages soared above 300 mm. As the year draws to a close, the precipitation levels reflect a seasonal transition, hinting at the dry winter months ahead. Despite the reduction, December's rainfall still introduces a refreshing breath of moisture to the landscape, setting a tranquil tone for the year-end festivities amidst the sun-kissed backdrop of Isla.

December Precipitation Trends in Isla

The chart displays monthly precipitation patterns in Isla, 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.
JanFebMarAprMayJunJulAugSepOctNovDec484123296026624627830724711641
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Isla

In Isla, Mexico, December ushers in a consistent level of humidity at 88%, which mirrors the dampness of November and echoes the high humidity often experienced in the months leading up to it. As the year progresses, humidity levels peak during the fall, with October marking the highest point at 89%. Yet, a gradual decrease from summer's peak begins in April, where levels drop to 67%, showcasing a trend toward drier conditions before the year’s end. Interestingly, the winter months maintain a relatively high humidity, keeping the air moist and the atmosphere lush, making December a reflective transition month as the region gears up for a new year.

December Average Humidity in Isla

This chart illustrates the average monthly humidity levels in Isla, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec84%80%73%67%72%73%76%80%84%89%88%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Isla

In December, Isla, Mexico, experiences a UV Index of 8, categorizing it as very high with a burn time of just 15 minutes. This moderate decline from the extreme levels typically seen in the summer months—where the UV Index reached as high as 14—signals the onset of milder sun exposure conditions. Notably, as winter approaches, the UV Index gradually drops from earlier highs, yet remains a concern for sun safety, emphasizing the importance of protection when outdoors. To plan your outdoor activities effectively, check out the detailed insights available at Isla UV Index.

Maximum UV Index Levels in Isla for December

The chart shows the monthly maximum UV Index (UVI) for Isla 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.
JanFebMarAprMayJunJulAugSepOctNovDec911121313131412131198
Data source: Isla 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.

December Sunshine in Isla

As the year wraps up, December in Isla, Mexico enjoys a warm blend of sunshine, with an impressive 244 hours of sunlight. This marks a subtle decline from the vibrant highs of the spring and early summer months, where April and May bask in over 300 hours of glorious sunlight. While December has fewer daylight hours than the peak months, it still offers a refreshing escape from winter's chill, echoing the delightful tropical climate that Isla is known for. As the days grow shorter, visitors can immerse themselves in the island's charm, relishing the last vestiges of sunshine before the new year begins.

Monthly Sunshine Duration in Isla: December Highlighted

The December sunshine duration represents the total number of hours Isla experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec176h226h292h301h324h279h314h304h280h262h251h244h
Data source: Isla December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Isla During December

In December, Isla, Mexico enjoys a notable 58% chance of sunny weather, making it a prime time for sun-seekers. As the year progresses, we see a general upward trend in sunshine likelihood, with December emerging as one of the brighter months following November's 44%. The transition from the rainy season peaks in the earlier months, where chances were significantly lower, particularly in June at just 13%. Notably, December outshines other months like January and October while aligning closely with the early winter months of the year, providing an inviting atmosphere for holiday travelers looking to bask in the sun. The surge in sunshine towards the end of the year invites a delightful escape from colder climates, suggesting that December could be the perfect time to soak up the vibrant coastal charm of Isla.

Percentage of Sunny Days in December in Isla

The chart illustrates the percentage of sunny days in Isla throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Isla experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%53%62%55%39%13%30%26%17%32%44%58%
Data source: Isla December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Isla in December

In December, Isla, Mexico, experiences about 11 hours of daylight, consistent with the preceding months of January, October, and November. This period marks the tail end of a gradual increase in daylight that began in March, peaking at 13 hours during the summer months of June and July. As the year transitions into winter, daylight begins to taper off again, returning to the more stable 11-hour duration, a reminder of the rhythmic ebb and flow of the seasons. The trend clearly highlights how Isla enjoys relatively long sunny days during the summer, but settles into a cozy and predictable pattern as winter approaches.

Average Daylight Hours in Isla for December

The chart illustrates the variation in daylight duration in Isla throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 10m11h 33m12h 2m12h 33m12h 58m13h 10m13h 3m12h 41m12h 12m11h 42m11h 16m11h 3m
Data source: Isla daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Isla

As December settles over Isla, Mexico, the wind dances gently through the coastal air, with an average speed of 2.2 m/s (5 mph). This slight dip from the earlier months reflects a trend of decreasing wind speeds as the year winds down, settling into a tranquil rhythm after the more blustery spring. With an understated breeze, December offers a serene backdrop ideal for reflective strolls along the beach, allowing visitors to immerse themselves in the calming beauty of the Caribbean. The gentle winds, reminiscent of the calm summer months, create a perfect atmosphere for relaxation and rejuvenation.

Average December Wind Speed in Isla

The chart displays monthly wind speed patterns in Isla, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.62.63.23.32.72.02.12.02.12.42.42.2 m/s
Data source: Isla December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Isla Compares to Other Months

The weather in Isla changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Isla and find detailed weather information for every month.

December and January both experience warm temperatures, with December showing a slight edge in average temperature at 23°C (73°F) compared to January's 22°C (73°F). The maximum temperature in January reaches a higher peak at 35°C (96°F), while December's maximum is 34°C (94°F). Precipitation is more frequent in January, averaging 48 mm (1.9 in) over 9 days, compared to December's 41 mm (1.6 in) over 7 days. Additionally, humidity levels are slightly lower in January at 84%, compared to the higher humidity of 88% in December. For more detailed insights on January weather, you can visit Isla weather in January.

In December, temperatures range from a minimum of 12°C (54°F) to a maximum of 34°C (94°F), with an average temperature of 23°C (73°F). The month experiences 41 mm (1.6 in) of precipitation over about 7 days and high humidity levels at 88%.

In contrast, February sees slightly warmer temperatures, with a minimum of 12°C (54°F) and a maximum of 36°C (97°F), resulting in an average of 24°C (75°F). The precipitation remains the same at 41 mm (1.6 in), but it occurs over 8 days. Humidity dips to 80%, making February feel a bit more comfortable than December. For more detailed insights, you can check Isla weather in February.

December and March exhibit quite different weather patterns. In December, temperatures range from a minimum of 12°C (54°F) to a maximum of 34°C (94°F), with an average of 23°C (73°F). The month sees an average precipitation of 41 mm (1.6 in) over approximately 7 days, accompanied by high humidity levels at 88%. In contrast, March offers warmer conditions, with minimum temperatures starting at 13°C (56°F) and peaking at 39°C (102°F); the average temperature rises to 26°C (79°F). This month experiences less rainfall, totaling 23 mm (0.9 in) over about 5 days, and the humidity drops to a more comfortable 73%. For more details on the weather in March, visit Isla weather in March.

In comparing the weather in December and April, it's evident that April tends to be warmer overall. December boasts temperatures ranging from a minimum of 12°C (54°F) to a maximum of 34°C (94°F) with an average of 23°C (73°F). In contrast, April's temperatures start higher, with a minimum of 17°C (64°F) and soaring to a maximum of 41°C (106°F), averaging 28°C (83°F). While December experiences higher humidity at 88% and more days of precipitation (7 days and 41 mm), April is relatively drier, with only 29 mm of rain over 5 days, and a significantly lower humidity of 67%. For more detailed information on the weather in April, you can visit Isla weather in April.

In December, temperatures range from a mild 12°C (54°F) to a warm 34°C (94°F), with an average of 23°C (73°F). The month sees about 41 mm (1.6 in) of precipitation over approximately 7 days, accompanied by high humidity levels at 88%. In contrast, May brings significantly warmer temperatures, with a minimum of 19°C (67°F) and a staggering maximum of 41°C (106°F), averaging around 30°C (86°F). Precipitation increases to 60 mm (2.4 in) spread over 10 days, but humidity drops to a more comfortable 72%. For more detailed information, you can check Isla weather in May.

December and June present distinctly different weather patterns. In December, temperatures range from a minimum of 12°C (54°F) to a maximum of 34°C (94°F), with an average of 23°C (73°F). The month experiences relatively low precipitation at 41 mm (1.6 in) over 7 days, accompanied by high humidity at 88%. In contrast, June brings warmer temperatures, with a minimum of 22°C (72°F) and a maximum of 39°C (102°F), averaging 28°C (84°F). However, June is much wetter, receiving 266 mm (10.5 in) of rain across 22 days, while humidity decreases to 73%. For more details on June weather, you can visit Isla weather in June.

In December, the weather is generally milder with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 34°C (94°F) and an average of 23°C (73°F). The month experiences relatively low precipitation, with 41 mm (1.6 in) across 7 days and high humidity at 88%. In contrast, July presents a hotter and more humid climate, where temperatures vary from a minimum of 21°C (70°F) to a peak of 36°C (98°F), averaging around 28°C (82°F). This month sees significantly more rainfall, with 246 mm (9.7 in) over 24 days, alongside a humidity level of 76%. For a more detailed look at the climate specifics, you can visit Isla weather in July.

December and August present contrasting weather patterns. In December, temperatures range from a mild minimum of 12°C (54°F) to a maximum of 34°C (94°F), with an average of 23°C (73°F). The month is relatively dry, seeing only 41 mm (1.6 in) of precipitation over 7 days and with a high humidity level of 88%. In contrast, August is significantly warmer, with a minimum temperature of 22°C (72°F), an average temperature of 28°C (82°F), and highs reaching 36°C (98°F). However, August is much wetter, experiencing a substantial 278 mm (10.9 in) of rainfall across 26 days, along with slightly lower humidity at 80%. For more details about the August weather, you can check Isla weather in August.

In comparing the weather between December and September, we observe notable differences in temperature and precipitation. December features a milder temperature range, with minimums around 12°C (54°F) and maximums reaching 34°C (94°F), while September experiences warmer conditions with minimums of 21°C (70°F) and soaring maximums up to 37°C (99°F). Precipitation levels also diverge significantly; December sees only 41 mm (1.6 in) of rain over 7 days, whereas September is much wetter, receiving 307 mm (12.1 in) over 24 days. Despite September's slightly lower humidity at 84% compared to December's 88%, the overall climate is more humid and rainy during September. For further details, you can visit Isla weather in September.

When comparing the weather in December and October, December tends to be slightly cooler with minimum temperatures averaging 12°C (54°F) and maximums reaching 34°C (94°F). In contrast, October experiences warmer temperatures, with a minimum of 18°C (65°F) and a maximum of 36°C (96°F). Additionally, October is much wetter, receiving 247 mm (9.7 in) of precipitation over 21 days, while December sees considerably less rain, with only 41 mm (1.6 in) over 7 days. Humidity levels remain similar, with December at 88% and October at 89%. For more detailed information about October weather, you can visit Isla weather in October.

In December, the weather is slightly warmer with an average temperature of 23°C (73°F), compared to November's average of 24°C (76°F). However, December experiences lower precipitation levels at 41 mm (1.6 in) over 7 days, while November sees significantly higher rainfall at 116 mm (4.6 in) across 13 days. Both months share a high humidity level of 88%, maintaining a similarly tropical feeling. For a more in-depth look at November weather, check out Isla weather in November.

Compare Isla's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Isla

December in Isla presents a delightful transition into the cooler, more comfortable months of the year. With temperatures averaging around 23°C (73°F), the weather stands in sharp contrast to the sultry heat of summer, providing a refreshing respite for visitors. Though rainfall is relatively mild, with about seven days of precipitation, the high humidity remains a constant reminder of Isla's tropical charm. For those planning a visit, December offers an ideal time to explore the natural beauty and vibrant culture of the region, making it a month of enjoyment and discovery. For more details about the year-round conditions, visit Isla Climate.