December Weather in El Castillo, Mexico

Last updated: April 22, 2025

Experience December in El Castillo, Mexico, where temperatures can soar to a maximum of 31°C (88°F) while averaging a comfortable 16°C (61°F). Nights can bring a chilly surprise with lows dipping to -1°C (30°F). This month sees a modest 13 mm (0.5 in) of precipitation over just 2 days, making it an ideal time for outdoor adventures. Despite the occasional rain, expect high humidity levels at around 84%, creating a lush and vibrant environment. Whether you're exploring historical sites or enjoying the local culture, December is a delightful time to visit El Castillo.

December Temperature in El Castillo

In December, El Castillo, Mexico experiences a transition towards cooler temperatures, marking the beginning of its dry season. With a minimum temperature dipping to -1°C (30°F) and a pleasant average of 16°C (61°F), the days remain comfortable, peaking at a maximum of 31°C (88°F). This month contrasts sharply with the sweltering heat of the preceding summer, yet still retains warmth, allowing visitors to enjoy outdoor activities under sunny skies. As December comes to a close, the climate sets the stage for a delightful holiday season, inviting both locals and travelers to appreciate the serenity of this enchanting destination.

December Weather in El Castillo: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in El Castillo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec596672788485848480756761
Data source: Temperature data for El Castillo 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 El Castillo

In December, El Castillo, Mexico experiences a moderate increase in precipitation, receiving 13 mm (0.5 in) over two days. This marks a notable transition from the dry spell of the earlier months, where rainfall was sparse, particularly from February to April. As the year draws to a close, December's rainfall sets the stage for the lush vibrancy of the upcoming season, hinting at the shift from the dry conditions that characterized much of the late fall. While the amount is still lower compared to the peak months of September and July, the consistency of December's precipitation signals a promising start to the new year for the region's agriculture and natural ecosystems.

December Precipitation Trends in El Castillo

The chart displays monthly precipitation patterns in El Castillo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec557261630204634913
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in El Castillo

In El Castillo, Mexico, December stands out as the peak of humidity with levels soaring to 84%, marking a distinct rise compared to the more moderate months earlier in the year. As the year progresses, humidity exhibits a clear upward trend, beginning at 70% in January and gradually increasing, with notable spikes in the latter half of the year. Notably, the transition from October (83%) through December showcases a persistent trend, providing a humid and moist atmosphere that characterizes the winter months. This pattern underscores a significant seasonal shift, where the rich moisture enveloping December transforms the landscape and experience of the region.

December Average Humidity in El Castillo

This chart illustrates the average monthly humidity levels in El Castillo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec70%62%53%48%52%64%73%71%82%83%82%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in El Castillo

As the year comes to a close in December, El Castillo, Mexico, experiences a shift in its UV Index, dropping to 7, categorized as high exposure, which allows for a longer burn time of 25 minutes. This is a welcome change after months of extreme levels; throughout the year, the UV Index frequently soared to 12-14 from March to October, requiring caution with a burn time of just 10 minutes. November saw a slight decrease to 8, but December provides a reprieve as sun-seekers can enjoy more time outdoors while still remaining mindful of UV exposure. For more details on UV levels throughout the year, check out El Castillo UV Index.

Maximum UV Index Levels in El Castillo for December

The chart shows the monthly maximum UV Index (UVI) for El Castillo 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.
JanFebMarAprMayJunJulAugSepOctNovDec710121413131313131187
Data source: El Castillo 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 El Castillo

In El Castillo, Mexico, December continues the trend of abundant sunshine that characterizes much of the year. With an impressive 271 hours of sunlight, the month glows warmly as it transitions into winter, maintaining a bright atmosphere despite the approaching colder season. This figure is only slightly lower than November’s 269 hours, showcasing a remarkable consistency in daylight as the days shorten. Interestingly, the year's peak hours of sunshine are found in the summer months, particularly in July with 357 hours and May with 353 hours. As the year wraps up, December's sunny disposition serves as a delightful reminder of the vibrant light that El Castillo enjoys throughout the year.

Monthly Sunshine Duration in El Castillo: December Highlighted

The December sunshine duration represents the total number of hours El Castillo 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.
JanFebMarAprMayJunJulAugSepOctNovDec217h260h309h323h353h350h357h344h294h285h269h271h
Data source: El Castillo December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in El Castillo During December

In El Castillo, Mexico, December offers a 60% chance of sunny weather, signaling a notable decrease compared to the sunnier months earlier in the year. As we journey from January's robust 72% likelihood of sunshine down to December, the trend reveals a gradual tapering of clear skies throughout the latter part of the year. Notably, while December falls below November’s 67%, it still presents a favorable opportunity for sun-seekers, especially when considering the dip to 54% in July and 52% in August. Embrace this month as a time to enjoy cooler temperatures and a picturesque blend of sun and seasonal charm in this beautiful locale.

Percentage of Sunny Days in December in El Castillo

The chart illustrates the percentage of sunny days in El Castillo 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 El Castillo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec72%69%63%70%76%66%54%52%56%68%67%60%
Data source: El Castillo December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in El Castillo in December

In El Castillo, Mexico, the daylight duration showcases a fascinating rhythm throughout the year. Starting in January with about 10 hours of sunlight, the days gradually lengthen, peaking in May and June with a generous 13 hours. As summer transitions into fall, the daylight begins to wane, tapering back to 12 hours in August and September, before settling down to 11 hours in October. This gradual decline continues through the chill of November, ultimately bringing December back to 10 hours of daylight. The cyclical pattern reflects the region's tropical climate, where longer days in summer provide a striking contrast to the shorter winter months, inviting residents and visitors alike to make the most of every sunlit hour.

Average Daylight Hours in El Castillo for December

The chart illustrates the variation in daylight duration in El Castillo throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 43m11h 17m12h 1m12h 46m13h 24m13h 42m13h 32m12h 58m12h 15m11h 30m10h 52m10h 32m
Data source: El Castillo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in El Castillo

In December, the winds in El Castillo, Mexico, gently subside, with an average speed of just 1.7 m/s (4 mph), marking the end of a year characterized by gradually increasing breezes. This month witnesses the calmest winds, contrasting sharply with the 3.1 m/s (7 mph) experienced in mid-summer. Throughout the preceding months, the wind speed fluctuated, peaking in June before tapering downwards, hinting at a seasonal shift. As the year wraps up, the serene December winds usher in a tranquil ambiance, inviting residents and visitors alike to appreciate the quieter pace of life during this festive season.

Average December Wind Speed in El Castillo

The chart displays monthly wind speed patterns in El Castillo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.22.92.93.03.12.42.42.52.32.01.7 m/s
Data source: El Castillo December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in El Castillo Compares to Other Months

The weather in El Castillo 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 El Castillo and find detailed weather information for every month.

In December, temperatures in El Castillo range significantly from a chilly minimum of -1°C (30°F) to a warm maximum of 31°C (88°F), with an average of 16°C (61°F). The month sees about 13 mm (0.5 in) of rain over two days, accompanied by high humidity levels reaching 84%. In contrast, January tends to be slightly milder, with a minimum of 0°C (32°F) and a similar maximum of 31°C (87°F), but the average temperature drops slightly to 15°C (59°F). Precipitation decreases to just 5 mm (0.2 in) over one day, and humidity also lowers to a moderate 70%. For more detailed insights into January’s weather, you can check out El Castillo weather in January.

In December, temperatures range from a minimum of -1°C (30°F) to a maximum of 31°C (88°F), with an average of 16°C (61°F). The month sees about 13 mm (0.5 in) of precipitation over two days and high humidity levels at 84%. In contrast, February experiences slightly warmer weather, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 35°C (96°F) and an average temperature of 19°C (66°F). February is much drier, with only 5 mm (0.2 in) of precipitation over no days and lower humidity at 62%. For more detailed information, check out El Castillo weather in February.

December and March present quite different weather experiences. In December, temperatures range from a chilly minimum of -1°C (30°F) to a warm maximum of 31°C (88°F), with an average of 16°C (61°F). The month sees a higher humidity of 84% and a total precipitation of 13 mm (0.5 in) over about 2 days. In contrast, March boasts milder conditions with minimum temperatures of 6°C (43°F) and maximums reaching a scorching 39°C (102°F), averaging around 22°C (72°F). With only 7 mm (0.3 in) of precipitation occurring on just 1 day, humidity drops significantly to 53%. For more detailed insights, you can check El Castillo weather in March.

In December, temperatures can dip as low as -1°C (30°F) at night, but the average daytime temperature reaches a comfortable 16°C (61°F), peaking at a warm 31°C (88°F). The month typically sees a bit of rain, with around 13 mm (0.5 in) of precipitation over just two days, contributing to a high level of humidity at 84%.

In contrast, April offers significantly warmer weather, with minimum temperatures starting at 9°C (48°F) and averages soaring to 25°C (78°F). This month can experience extreme highs of up to 38°C (101°F) and is remarkably drier, with only 2 mm (0.1 in) of precipitation occurring on no rainy days, leading to a much lower humidity level of 48%.

For more detailed weather information, check out El Castillo weather in April.

In December, the weather is notably cooler, with temperatures ranging from a chilly minimum of -1°C (30°F) to a warm high of 31°C (88°F). The month experiences relatively high humidity at 84%, yet only sees about 13 mm (0.5 in) of precipitation over two days. In contrast, May boasts significantly warmer conditions, with minimum temperatures starting at 14°C (57°F) and reaching a scorching maximum of 41°C (106°F). The humidity drops to a comfortable 52%, and precipitation is minimal at just 6 mm (0.2 in) over a single day. For more specific information on the conditions in May, you can check El Castillo weather in May.

In December, temperatures range from a chilly min of -1°C (30°F) to a pleasant max of 31°C (88°F), with an average of 16°C (61°F). The month sees low precipitation, only 13 mm (0.5 in) over just two days, and high humidity at 84%. In contrast, June experiences significantly warmer weather, with temperatures starting at a minimum of 18°C (64°F) and peaking at a scorching 42°C (107°F), averaging 30°C (86°F). Although June has slightly higher precipitation at 16 mm (0.6 in) over three days, the humidity is lower at 64%. For more specific details on June weather, you can visit El Castillo weather in June.

In December, the weather is notably cooler, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 31°C (88°F). The average temperature is more moderate at 16°C (61°F), accompanied by relatively low precipitation of just 13 mm (0.5 in) over 2 days, coupled with high humidity at 84%. In contrast, July experiences much warmer conditions, with temperatures soaring from a minimum of 20°C (68°F) to a maximum of 39°C (103°F) and an average of 29°C (84°F). Precipitation increases to 30 mm (1.2 in) over 5 days, while humidity is lower at 73%. The stark differences between these months highlight the seasonal variations in climate, making December much cooler and wetter than the hot and somewhat drier July. For more detailed information, check El Castillo weather in July.

In December, the weather is notably cooler, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 31°C (88°F) and an average temperature of 16°C (61°F). This month experiences only about 13 mm (0.5 in) of precipitation over 2 days, coupled with high humidity at 84%, creating a crisp atmosphere. In contrast, August showcases much warmer conditions, with minimum temperatures of 19°C (67°F), averaging around 29°C (84°F) and peaking at 38°C (101°F). Although it sees slightly more precipitation at 20 mm (0.8 in) over 3 days, the humidity is lower at 71%, resulting in a much more sultry feel. For a more detailed look at August weather, you can visit El Castillo weather in August.

In comparing the weather of December and September, it's clear that September boasts warmer temperatures, with a minimum of 17°C (63°F) and an average of 26°C (80°F), peaking at a scorching 38°C (101°F). In contrast, December features a much cooler temperature range, with a minimum of -1°C (30°F) and a maximum of 31°C (88°F), averaging around 16°C (61°F). Additionally, September experiences significantly higher precipitation, totaling 46 mm (1.8 in) over 7 days, compared to December's 13 mm (0.5 in) over just 2 days. Humidity levels are quite similar, with September at 82% and December slightly higher at 84%. For more details on the specifics of September weather, you can visit El Castillo weather in September.

In comparing the weather patterns of December and October, it's clear that October tends to be warmer and wetter than December. During October, temperatures range from a minimum of 8°C (46°F) to a maximum of 37°C (99°F), with an average temperature of 24°C (75°F). In contrast, December's temperatures are notably cooler, ranging from a minimum of -1°C (30°F) to a maximum of 31°C (88°F), with an average of 16°C (61°F). Additionally, October experiences more precipitation, totaling 34 mm (1.3 in) over 4 days, while December receives only 13 mm (0.5 in) across 2 days. Humidity levels are similar, with October at 83% and December slightly higher at 84%. For more detailed information on October weather, you can visit El Castillo weather in October.

In comparing the weather conditions of December to November, we observe that both months experience a minimum temperature of -1°C (30°F), but December's average temperature drops to 16°C (61°F), significantly cooler than November’s 19°C (67°F). The maximum temperatures also reflect this shift, with December peaking at 31°C (88°F) compared to November’s warmer 34°C (94°F). In terms of precipitation, December sees slightly more at 13 mm (0.5 in), though it falls on the same number of days as November, which has 8 mm (0.3 in) of rain. Both months maintain high humidity levels, with December at 84% and November at 82%. For a more detailed look at the weather during November, you can check out El Castillo weather in November.

Compare El Castillo's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in El Castillo

December in El Castillo brings a noticeable shift in weather compared to the warmer months. With a maximum temperature peaking at a comfortable 31°C (88°F), the days still offer a taste of summer, yet the average dips to a cooler 16°C (61°F), inviting cozy evenings. Unlike the rain-soaked months, December typically sees just two days of light precipitation, accumulating around 13 mm (0.5 in), allowing for crisp, refreshing air. The high humidity of 84% can make mornings feel brisk, yet overall, December’s blend of warm days and cooler nights paints a beautiful picture for those spending the festive season in this scenic locale. For a deeper dive into the weather phenomena, explore El Castillo Climate.