December Weather in El Arco, Mexico

Last updated: April 22, 2025

December in El Arco, Mexico presents a climate that beautifully balances warmth and coolness amidst the festive season. With maximum temperatures reaching 29°C (85°F) and an average of 17°C (64°F), visitors can enjoy pleasant days paired with cooler nights, where temperatures dip to a minimum of 4°C (39°F). However, with precipitation levels hitting 96 mm (3.8 in) over 13 days, it's wise to be prepared for occasional rains. The high humidity at 91% adds a tropical touch, enhancing the vibrant atmosphere of this stunning destination as it transitions into winter. Travelers can relish the unique charm of El Arco while enjoying mild weather, making it an ideal time for outdoor adventures.

December Temperature in El Arco

In December, the temperatures in El Arco, Mexico, signal the onset of cooler weather, with minimums dipping to around 4°C (39°F) and averaging 17°C (64°F). As the month progresses, daytime highs reach a comfortable 29°C (85°F), providing a pleasant contrast to the chilly evenings. This transition reflects a broader trend seen from the earlier months, where temperatures gradually decline from the warmth of November's highs. Ultimately, December offers a delightful mix of refreshing coolness and sunny days, making it an inviting time to explore this stunning destination.

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

The chart illustrates December temperature patterns in El Arco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec626568727675757575726763
Data source: Temperature data for El Arco 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 El Arco

In El Arco, Mexico, December brings a noticeable dip in precipitation, with 96 mm (3.8 in) of rain falling over just 13 days. This marks a significant contrast to the preceding months, where heavier rainfall peaks in the summer, particularly in September with its impressive 328 mm (12.9 in). As the year wraps up, the reduction in both total rainfall and rainy days indicates a shift towards drier conditions, setting the stage for a relatively calm transition into the drier months ahead. This trend underscores the seasonal rhythm of El Arco, showcasing a dynamic interplay between wet and dry periods that characterizes the region's climate.

December Precipitation Trends in El Arco

The chart displays monthly precipitation patterns in El Arco, 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.
JanFebMarAprMayJunJulAugSepOctNovDec13512115814816925524226932828916996
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in El Arco

As December arrives in El Arco, Mexico, the air is thick with a notable humidity level of 91%, mirroring November's slightly elevated moisture. This trend highlights a pattern of high humidity during the winter months, with levels consistently above 90% from October through December. Notably, the average humidity peaks alongside the transitional period from the dry to the wet season, suggesting that while January kicks off the year with a still-high 88%, the dampness remains a steadfast presence. Interestingly, throughout the year, humidity levels maintain a relatively narrow range, typically oscillating between the low 80s and high 90s, creating a lush, tropical atmosphere that defines El Arco's climate.

December Average Humidity in El Arco

This chart illustrates the average monthly humidity levels in El Arco, 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.
JanFebMarAprMayJunJulAugSepOctNovDec88%86%84%81%82%81%81%82%86%90%91%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in El Arco

In El Arco, Mexico, the December UV Index stands at 7, indicating a high exposure category with a burn time of 25 minutes. This marks a notable decrease from the extreme levels observed in the summer months, where consistent values of 13 required a mere 10 minutes of sun exposure before risk of skin damage. Generally, the UV Index trends reveal a peak in intensity from March through October, illustrating the importance of sun protection during those months. As we move towards winter, the UV Index begins to decline, allowing for longer, safer outdoor enjoyment. For more detailed insights, be sure to check out El Arco UV Index.

Maximum UV Index Levels in El Arco for December

The chart shows the monthly maximum UV Index (UVI) for El Arco 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.
JanFebMarAprMayJunJulAugSepOctNovDec811121313131313131197
Data source: El Arco 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 Arco

In December, El Arco, Mexico, basks in a delightful 283 hours of sunshine, capping off a year rich in warmth and light. This month marks a slight decrease from November's 276 hours, yet it remains vibrant as it transitions into the cooler months. The trend over the year showcases a gradual increase in daylight, with the sunniest month being May, basking in an impressive 321 hours. The sun shines brightest in the heart of summer, particularly in July with 324 hours, creating a dazzling atmosphere. Overall, the sunshine hours of El Arco indicate a consistent abundance throughout the year, making it a radiant destination that promises warmth and brightness, even as December gently ushers in the winter season.

Monthly Sunshine Duration in El Arco: December Highlighted

The December sunshine duration represents the total number of hours El Arco 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.
JanFebMarAprMayJunJulAugSepOctNovDec215h258h299h303h321h293h324h314h285h293h276h283h
Data source: El Arco December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in El Arco During December

In El Arco, Mexico, December brings a refreshing shift in weather patterns, boasting a 56% chance of sunny days. This notable increase from the lower probabilities observed in the summer months—where June dips to just 11% sunshine—signals a welcome season shift. As the year progresses, we see a gradual upward trend in sun likelihood beginning in late fall, with November at 34% paving the way for December's more reliable sunshine. This makes December an ideal time for outdoor activities and exploration, as residents and visitors alike can enjoy the clear skies and milder temperatures that characterize this beautiful part of Mexico.

Percentage of Sunny Days in December in El Arco

The chart illustrates the percentage of sunny days in El Arco 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 Arco experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%39%44%37%34%11%24%32%19%30%35%56%
Data source: El Arco December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in El Arco in December

In El Arco, Mexico, the rhythm of daylight unfolds gracefully throughout the year, revealing distinct trends that may surprise you. Starting the year with 11 hours of daylight in both January and February, the days gradually stretch out to a peak of 13 hours by May and June, offering plenty of sunshine for outdoor activities. As summer wanes, the daylight gradually recedes, returning to 12 hours in August and September, before slipping back to 11 hours in October and November. December, however, ushers in the shortest days of the year, with only 10 hours of daylight, signaling a time of shorter, cooler days as the holiday season approaches. This gentle ebb and flow of sunlight not only shapes the ambiance of El Arco but also highlights the region's natural beauty throughout the seasons.

Average Daylight Hours in El Arco for December

The chart illustrates the variation in daylight duration in El Arco throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 4m11h 29m12h 2m12h 36m13h 4m13h 18m13h 10m12h 45m12h 13m11h 39m11h 10m10h 56m
Data source: El Arco daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in El Arco

As December unfolds in El Arco, Mexico, the average wind speed settles at 1.6 m/s (4 mph), aligning with a gentle breeziness that characterizes the month. This slight uptick from the 1.5 m/s (3 mph) observed in the preceding months suggests a shift towards a crisper atmosphere, hinting at the transition into cooler winter months. Throughout the year, wind speeds in El Arco exhibit a consistent trend, hovering around 1.5 to 1.9 m/s, with the spring months of March and April showcasing the highest breezes. Interestingly, summer and early fall bring a decrease in wind activity, only to be followed by a slight resurgence as the year draws to a close. Overall, December's wind whispers a promise of tranquility, making it an ideal time for reflective walks along the picturesque coastline.

Average December Wind Speed in El Arco

The chart displays monthly wind speed patterns in El Arco, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.81.91.91.81.51.51.71.51.61.51.6 m/s
Data source: El Arco December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in El Arco Compares to Other Months

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

In December, temperatures range from a minimum of 4°C (39°F) to a maximum of 29°C (85°F), with an average of 17°C (64°F). The month sees about 96 mm (3.8 in) of precipitation over 13 days, along with high humidity at 91%.

January experiences slightly warmer conditions, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 31°C (88°F) and an average of 17°C (63°F). However, it comes with increased precipitation of 135 mm (5.3 in) over 16 days and slightly lower humidity at 88%. For a more detailed look at January weather, check out El Arco weather in January.

In December, the weather features a comfortable temperature range with a minimum of 4°C (39°F) and a maximum of 29°C (85°F), while averaging around 17°C (64°F). However, December tends to be quite humid, with levels reaching 91% and experiencing about 96 mm (3.8 in) of precipitation over 13 days.

In contrast, February sees slightly warmer temperatures with a minimum of 5°C (41°F) and a maximum of 32°C (91°F), averaging 18°C (65°F). The month is wetter, with 121 mm (4.8 in) of precipitation spread across 19 days, but humidity is somewhat lower at 86%. For more details, check out El Arco weather in February.

When comparing the weather in December and March, December tends to be milder with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 29°C (85°F). The month experiences an average temperature of 17°C (64°F) and is characterized by high humidity at 91%, alongside 96 mm (3.8 in) of precipitation over approximately 13 days. In contrast, March brings warmer weather with a minimum temperature of 8°C (47°F) and a maximum of 33°C (91°F), averaging at 20°C (68°F). It also experiences greater rainfall, with 158 mm (6.2 in) over 18 days and slightly lower humidity at 84%. For a detailed look at the weather in March, you can check El Arco weather in March.

In December, temperatures typically range from a minimum of 4°C (39°F) to a maximum of 29°C (85°F), with an average of 17°C (64°F). The month experiences about 96 mm (3.8 in) of precipitation over 13 days, creating a humid environment with a relative humidity of 91%. In contrast, April brings warmer weather, with temperatures ranging from a minimum of 11°C (53°F) to a maximum of 34°C (93°F) and an average of 22°C (73°F). This month sees increased precipitation of 148 mm (5.8 in) spread across 18 days, and humidity decreases slightly to 81%. For a detailed look, you can check the El Arco weather in April.

In December, temperatures range from a mild 4°C (39°F) at night to a warm 29°C (85°F) during the day, with an average temperature of 17°C (64°F). The month experiences considerable rainfall, totaling 96 mm (3.8 in) over about 13 days, and the humidity is quite high at 91%.

In contrast, May brings significantly warmer weather, with nighttime lows of 15°C (59°F) and daytime highs reaching up to 34°C (93°F), averaging around 24°C (76°F). Rainfall in May is heavier, accumulating to 169 mm (6.7 in) over 22 days, though the humidity is lower at 82%. For more detailed insights on the weather in May, check El Arco weather in May.

In December, the weather tends to be milder, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 29°C (85°F) and an average of 17°C (64°F). While it experiences relatively high humidity at 91%, December sees less rainfall, averaging 96 mm (3.8 in) over about 13 days. In contrast, June brings warmer temperatures, with minimums around 17°C (63°F) and maximums peaking at 34°C (93°F), resulting in a more tropical atmosphere with an average temperature of 24°C (76°F). However, June is also considerably wetter, with precipitation reaching 255 mm (10.1 in) across approximately 25 days, alongside slightly lower humidity at 81%. For a closer look at the specifics, check out El Arco weather in June.

December weather features a range of temperatures, with a minimum of 4°C (39°F) and a maximum of 29°C (85°F), leading to an average of 17°C (64°F). This month also experiences considerable precipitation, with 96 mm (3.8 in) falling over 13 days, accompanied by high humidity at 91%. In contrast, July is significantly warmer, with temperatures ranging from a minimum of 17°C (64°F) to a maximum of 31°C (88°F), averaging 24°C (75°F). However, it is also wetter, receiving 242 mm (9.5 in) of rain across 30 days, and has a slightly lower humidity level of 81%. For more detailed information on July weather, visit El Arco weather in July.

In December, the weather is milder with daytime temperatures averaging around 17°C (64°F) but can still reach a maximum of 29°C (85°F). The month is relatively humid, with a humidity level of 91% and about 96 mm (3.8 in) of precipitation spread over 13 days. In contrast, August experiences warmer temperatures, with an average of 24°C (75°F) and highs peaking at 31°C (89°F). However, it is also significantly wetter, accumulating 269 mm (10.6 in) of rain over 30 days, accompanied by a slightly lower humidity of 82%. For more detailed weather information, visit El Arco weather in August.

December and September present quite contrasting weather conditions. In December, temperatures range from a cool minimum of 4°C (39°F) to a pleasant average of 17°C (64°F), peaking at 29°C (85°F). Precipitation is relatively low at 96 mm (3.8 inches) over 13 days, coupled with high humidity levels at 91%. In contrast, September features much warmer temperatures, with a minimum of 16°C (61°F), an average of 24°C (75°F), and a maximum reaching 32°C (90°F). However, it also experiences substantially higher rainfall, totaling 328 mm (12.9 inches) across 26 days, along with a slightly lower humidity of 86%. For those interested in more details about the weather in September, you can check El Arco weather in September.

In December, the weather is generally cooler with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 29°C (85°F), while October experiences warmer conditions with average temperatures from a minimum of 13°C (56°F) to a maximum of 32°C (89°F). November sees significantly less precipitation, totaling 96 mm (3.8 in) over 13 days, compared to October's 289 mm (11.4 in) over 22 days. Humidity levels remain similar between the two months, with December at 91% and October at 90%. For a more detailed look at October's weather conditions, you can visit El Arco weather in October.

In comparing the weather of December and November, both months experience similar conditions regarding humidity, sitting at 91%. However, December sees a slight decrease in temperature, with average highs of 29°C (85°F) compared to November's 29°C (84°F) and average lows at 4°C (39°F) versus November's 5°C (41°F). Precipitation also drops in December to 96 mm (3.8 in) over 13 days, while November has significantly higher rainfall at 169 mm (6.7 in) over 17 days. For more detailed insights on November weather, you can check this link: El Arco weather in November.

Compare El Arco's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in El Arco

As December rolls into El Arco, the weather shifts dramatically, inviting a blend of mild temperatures and increased moisture. This month showcases a delightful embrace of mild afternoons, with highs reaching a comfortable warmth, while the evenings bring cooler air, reminding us of the region's varied climate. Unlike the previous months, December is characterized by higher humidity levels and a noticeable uptick in precipitation, resulting in several rainy days that contribute to the lush landscape. The unique climatic conditions in December stand in contrast to the drier, hotter previous seasons, making it a captivating time to experience the natural beauty of El Arco. For a deeper dive into the weather patterns, visit El Arco Climate.