December Weather in San Lucas, Mexico

Last updated: April 22, 2025

December in San Lucas, Mexico brings a delightful climate, with maximum temperatures reaching up to 36°C (98°F) and an average of 26°C (79°F), providing a warm escape during the chilly winter months. Temperatures can dip to a minimum of 13°C (55°F) at night, creating a comfortable atmosphere for evening adventures. The month boasts an impressive low precipitation rate of just 4 mm (0.2 in), and remarkably, 0 rainy days, ensuring clear skies for outdoor activities. With humidity levels around 74%, the air feels refreshing, making December an ideal time to explore the beauty of this vibrant region.

December Temperature in San Lucas

In December, San Lucas, Mexico, ushers in the cooler months with inviting temperatures that create a comfortable escape from the crowds. The average temperature settles around a pleasant 26°C (79°F), ideal for outdoor activities and relaxation by the beach. Morning enthusiasts can enjoy cooler starts with minimums dipping to 13°C (55°F), while afternoons see comfortable highs peaking at 36°C (98°F). This month marks a transition, as temperatures begin to gradually decline from the scorching summer highs, providing a perfect blend of warmth and cool breezes, making it an appealing time for visitors seeking both sun and relief from the heat.

December Weather in San Lucas: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Lucas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec808286889086848483828179
Data source: Temperature data for San Lucas 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 San Lucas

December in San Lucas, Mexico, marks a noteworthy transition in the region's precipitation patterns, with a total of 4 mm (0.2 in) recorded—albeit with 0 days of rain. This minimal rainfall follows a notably wet summer, where June through September consistently delivered substantial precipitation, peaking in August with 218 mm (8.6 in) over 26 days. The shift to December highlights the region's dry spell as it moves towards the drier months of January and February, which historically receive little to no rainfall. This trend underscores a distinct seasonal fluctuation, where the vibrant storms of the summer months give way to a more arid winter, setting the stage for the dry season that defines this picturesque coastal locale.

December Precipitation Trends in San Lucas

The chart displays monthly precipitation patterns in San Lucas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec120021168187218213168364
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Lucas

In San Lucas, Mexico, December ushers in a moderate humidity level of 74%, marking a slight decline from the more humid months of August and September, which consistently hover around 85%. This transition reflects a general trend observed as the year progresses; humidity peaks during the summer months, particularly in June, July, and August, before gradually tapering off as cooler winter air settles in. With January beginning at a higher 70%, December serves as a bridge to the drier conditions of early winter, create a pleasant backdrop for outdoor activities while still retaining a hint of moisture in the air. This varied humidity pattern not only enhances the local climate but also contributes to the vibrant landscapes that San Lucas is renowned for.

December Average Humidity in San Lucas

This chart illustrates the average monthly humidity levels in San Lucas, 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%64%54%61%75%83%83%85%85%79%76%75%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Lucas

In December, San Lucas, Mexico, experiences a UV Index of 8, classified as very high. This indicates a slight dip from the extreme levels seen throughout the mid-year months, making burn time extend to 15 minutes. As the year concludes, the trend shows an overall high exposure risk, particularly during the earlier months when the UV Index peaks at 14 in June. Therefore, while December offers a milder UV environment compared to summer, visitors should still remain vigilant about sun protection. For detailed information on UV levels year-round, visit San Lucas UV Index.

Maximum UV Index Levels in San Lucas for December

The chart shows the monthly maximum UV Index (UVI) for San Lucas 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.
JanFebMarAprMayJunJulAugSepOctNovDec911131313141313131188
Data source: San Lucas 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 San Lucas

As December unfolds in San Lucas, Mexico, visitors can bask in an inviting average of 295 hours of glorious sunshine, setting the stage for a perfect winter getaway. Although this month's daylight hours are slightly less than the sun-drenched peak of May, the mild temperatures and beautiful landscapes continue to attract those seeking a respite from the cold. Interestingly, the pattern of sunshine reveals a general upward trend from January’s 244 hours, gradually building to a maximum in May, before settling into a more moderate yet enjoyable array of brightness through the autumn months. December's plentiful sunshine is a warm embrace for travelers, offering plenty of opportunities to explore the stunning coastal scenery or simply relax under the sun.

Monthly Sunshine Duration in San Lucas: December Highlighted

The December sunshine duration represents the total number of hours San Lucas 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.
JanFebMarAprMayJunJulAugSepOctNovDec244h279h321h325h335h289h311h290h277h282h286h295h
Data source: San Lucas December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Lucas During December

As December rolls in, the likelihood of basking in the sun in San Lucas, Mexico stands at a promising 81%, offering a delightful reprieve from the winter chill elsewhere. This trend of sunny days is consistent with the tail end of the year, where November shows an encouraging 70% chance of sunshine, creating a seamless transition into December's warmth. Notably, this month showcases a significant increase compared to the drier summer months of June through October, where sun chances were markedly lower, hovering around 20% to 33%. With such a favorable forecast, December invites visitors to indulge in the region's sunny allure, making it an ideal time for relaxation and outdoor activities.

Percentage of Sunny Days in December in San Lucas

The chart illustrates the percentage of sunny days in San Lucas 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 San Lucas experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec63%94%87%79%60%11%21%20%13%33%70%81%
Data source: San Lucas December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Lucas in December

In San Lucas, Mexico, the daylight duration exhibits a fascinating rhythm throughout the year. As we transition from December, which enjoys about 11 hours of daylight, daylight gradually increases, reaching a peak of 13 hours in the summer months of June and July. After this sunny high, the hours start to recede, returning to 11 hours by October and settling at the same duration through November and December. This cyclical pattern not only marks the change of seasons but also enriches the local culture, inviting both residents and visitors to savor the beauty of each moment under the sun. With consistent daylight in the winter months, the charm of San Lucas continues to shine, proving that even in shorter days, there is a warmth that permeates the atmosphere.

Average Daylight Hours in San Lucas for December

The chart illustrates the variation in daylight duration in San Lucas throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 9m11h 32m12h 2m12h 33m12h 59m13h 12m13h 5m12h 42m12h 12m11h 41m11h 14m11h 1m
Data source: San Lucas daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in San Lucas

December in San Lucas, Mexico, brings a gentle whisper in the form of an average wind speed of 1.1 m/s (2 mph), making it one of the calmest months of the year. As the year transitions from the lively spring breezes to the stillness of winter, December's winds are a subtle reminder of nature's embrace. This slight decrease in wind speed, following a gradual rise from 1.3 m/s in January to 2.0 m/s in April, illustrates a clear trend towards calmer conditions as the year closes. Visitors can expect to enjoy the tranquility of this coastal paradise, where the light winds add to the serene atmosphere, perfect for leisurely strolls along the shore or relaxing under the sun.

Average December Wind Speed in San Lucas

The chart displays monthly wind speed patterns in San Lucas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.31.51.82.01.81.21.01.01.01.01.01.1 m/s
Data source: San Lucas December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in San Lucas Compares to Other Months

The weather in San Lucas 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 San Lucas and find detailed weather information for every month.

December and January exhibit similar warm weather patterns, with both months featuring a minimum temperature around 13°C (55°F). In December, the average temperature is slightly lower at 26°C (79°F) compared to January's 27°C (80°F). January also sees a higher maximum temperature, peaking at 38°C (100°F), while December reaches a maximum of 36°C (98°F). Precipitation remains minimal in both months, with December recording 4 mm and January just 1 mm. Interestingly, January experiences a slight decrease in humidity at 70%, compared to December's 74%. For a closer look at the weather specifics, check out San Lucas weather in January.

In comparing the weather of December and February, December tends to be slightly cooler with an average temperature of 26°C (79°F) and maximums reaching 36°C (98°F), while February sees an increase, averaging 28°C (83°F) and peaking at 39°C (102°F). Humidity is higher in December at 74%, compared to February’s more comfortable 64%. Both months experience minimal precipitation, with December receiving 4 mm and February just 2 mm, resulting in dry conditions for both periods. For more details on February weather, you can visit San Lucas weather in February.

In December, temperatures range from a minimum of 13°C (55°F) to a maximum of 36°C (98°F), with an average of 26°C (79°F). The month sees very little precipitation, with only 4 mm recorded and no rainy days, resulting in fairly high humidity at 74%. In contrast, March experiences slightly higher temperatures, with a minimum of 17°C (63°F) and a maximum of 41°C (107°F), averaging at 30°C (87°F). Interestingly, March sees no precipitation at all, and the humidity drops to a comfortable 54%. For more detailed information about March weather, visit San Lucas weather in March.

December and April present quite a contrasting climate experience. In December, the temperatures range from a mild minimum of 13°C (55°F) to a comfortable average of 26°C (79°F), peaking at a warm 36°C (98°F). Despite the warmth, December sees minimal precipitation at just 4 mm (0.2 in) and maintains a humidity level of 74%. In comparison, April is significantly hotter, with minimum temperatures starting at 18°C (66°F) and averaging a sweltering 31°C (89°F), reaching a maximum of 42°C (108°F). Notably, April enjoys completely dry conditions with no precipitation, and the humidity drops to 61%. For a detailed outlook on April weather, check San Lucas weather in April.

In December, the weather is generally milder with temperatures ranging from a minimum of 13°C (55°F) to a maximum of 36°C (98°F) and an average of 26°C (79°F). The month boasts low precipitation levels, totaling just 4 mm (0.2 in) with no rainy days, and the humidity is moderately high at 74%. In contrast, May sees significantly warmer temperatures, with a minimum of 21°C (70°F), an average of 32°C (90°F), and a scorching maximum of 43°C (109°F). May experiences more rainfall, with a total of 21 mm (0.8 in) over three days, while the humidity remains similar at 75%. For more detailed information, you can refer to San Lucas weather in May.

December and June showcase strikingly different weather patterns. In December, temperatures range from a minimum of 13°C (55°F) to a maximum of 36°C (98°F), with an average of 26°C (79°F) and very little precipitation at just 4 mm (0.2 in) across no rainfall days. In contrast, June experiences warmer temperatures with a minimum of 21°C (71°F), an average of 30°C (86°F), and peaks at a scorching 41°C (106°F). This month is also characterized by significant rainfall, totaling 168 mm (6.6 in) over 19 days, and higher humidity levels at 83%. For a closer look at the weather conditions typical for this month, check out San Lucas weather in June.

December and July present strikingly different weather conditions. In December, temperatures range from a minimum of 13°C (55°F) to a maximum of 36°C (98°F), with a pleasant average of 26°C (79°F) and virtually no precipitation at just 4 mm (0.2 in) over 0 days, coupled with a humidity level of 74%. In contrast, July is considerably warmer, showcasing a minimum temperature of 22°C (72°F) and peaking at 40°C (104°F), with an average of 29°C (85°F). However, this month also brings significant rainfall, totaling 187 mm (7.4 in) across 25 days, and a higher humidity of 83%. For more detailed insights on July weather, you can visit San Lucas weather in July.

When comparing the weather in December and August, there are striking differences in temperature and precipitation. December features a more moderate temperature range, with minimums around 13°C (55°F) and maximums peaking at 36°C (98°F). It enjoys low humidity at 74% and very little precipitation, averaging just 4 mm over the month without any rainy days. In contrast, August presents a much warmer climate, registering minimum temperatures of 22°C (72°F) and soaring to maximums of 39°C (102°F). This month is characterized by significant rainfall, with a staggering 218 mm (8.6 in) of precipitation spread over 26 days, along with higher humidity at 85%. For a detailed look at August weather patterns, you can explore San Lucas weather in August.

In comparing the weather of December and September, December offers much milder temperatures, with a minimum of 13°C (55°F) and a maximum of 36°C (98°F), while September sees higher heat, ranging from a minimum of 22°C (72°F) to a maximum of 38°C (100°F). Additionally, December boasts low precipitation, with just 4 mm (0.2 in) and no rainy days, contrasting sharply with September's high rainfall of 213 mm (8.4 in) over 25 days. Moreover, humidity levels are also higher in September at 85%, compared to December's 74%. For a detailed look at the significant differences in September's climate, you can refer to San Lucas weather in September.

In comparing the weather of December and October, there are notable differences in temperature and precipitation. December typically sees a minimum temperature of 13°C (55°F) and an average of 26°C (79°F), with a maximum reaching 36°C (98°F). This month enjoys dry conditions, with only 4 mm (0.2 in) of precipitation and no rainy days, making it a comfortable time to be outdoors, though humidity remains relatively high at 74%.

In contrast, October is warmer on average, with a minimum temperature of 21°C (70°F) and an average of 28°C (83°F), while also peaking at 36°C (98°F). However, this month is significantly wetter, experiencing 168 mm (6.6 in) of rainfall over 18 days, and slightly higher humidity at 79%. For a detailed look at October's weather patterns, you can check San Lucas weather in October.

In comparing the weather in December and November, December tends to be slightly hotter, with average temperatures ranging from a minimum of 13°C (55°F) to a maximum of 36°C (98°F), compared to November's slightly warmer minimum of 15°C (59°F) and maximum of 37°C (99°F). Additionally, December boasts virtually no precipitation, recording only 4 mm (0.2 in) across 0 rain days, while November experiences significantly more rainfall, totaling 36 mm (1.4 in) over 5 days. Humidity levels remain quite similar, with December at 74% and November slightly higher at 76%. For a more detailed look, check out San Lucas weather in November.

Compare San Lucas's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in San Lucas

As December rolls into San Lucas, the weather takes on a distinctly mild character compared to the hotter months. While daytime temperatures can still reach a warm 36°C (98°F), the average drops to a comfortable 26°C (79°F), providing a pleasant respite from the sweltering heat of summer. With no precipitation recorded, visitors can bask in the sunshine, though humidity levels remain notable at 74%, adding a touch of tropical warmth to the air. Overall, December is a delightful month to explore San Lucas, marked by its inviting climate and stunning scenery. For deeper insights into this region's weather patterns, visit San Lucas Climate.