December Weather in San Miguel, Mexico

Last updated: April 22, 2025

December in San Miguel, Mexico offers a delightful blend of mild temperatures and refreshing weather. With maximum highs reaching 31°C (88°F) and an average of 21°C (69°F), the days are pleasantly warm, perfect for exploring the vibrant landscapes. Evenings cool down with minimum temperatures dropping to 8°C (47°F), inviting cozy nights. This month sees minimal precipitation, totaling just 19 mm (0.7 in) over 2 days, complemented by a relative humidity of 76% that enhances the crisp, refreshing air. December is an ideal time for visitors to enjoy the charming atmosphere of San Miguel while basking in comfortable conditions.

December Temperature in San Miguel

In December, San Miguel de Allende experiences a delightful shift in temperatures, marking the start of the cooler season. With minimums around 8°C (47°F) and a comfortable average of 21°C (69°F), visitors can enjoy pleasant days and crisp nights. The highs can still reach a warm 31°C (88°F), allowing for plenty of outdoor exploration and festivities. Compared to the preceding months, December offers a slight drop in temperature, making it a cozy time to experience the charm of this historic town. The transitional weather is perfect for layering, ensuring a comfortable experience whether you’re meandering through local markets or enjoying a quiet evening under the starry sky.

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

The chart illustrates December temperature patterns in San Miguel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec686971727476767675757269
Data source: Temperature data for San Miguel 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 Miguel

In December, San Miguel experiences a marked decrease in precipitation, with only 19 mm (0.7 in) of rainfall over 2 days, signaling the tail end of the rainy season. This decline is a stark contrast to the peak months of July and August, where rainfall reaches staggering heights of 311 mm (12.2 in) and 443 mm (17.4 in), respectively. As the year closes, the precipitation patterns illustrate a clear shift towards drier weather, allowing the region to recover and prepare for the gentle warmth of the upcoming dry months. December's relatively low rainfall not only brings a breath of fresh air after the intense summer deluges but also sets the stage for the vibrant flora and stunning landscapes that define San Miguel in the cooler months ahead.

December Precipitation Trends in San Miguel

The chart displays monthly precipitation patterns in San Miguel, 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.
JanFebMarAprMayJunJulAugSepOctNovDec202931142013114434252344619
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Miguel

As December arrives in San Miguel, the humidity begins to taper off slightly from the peak summer months. With an average of 76%, December marks a transition from the sticky highs of 81-83% experienced in the mid-summer months, steadily decreasing as the year winds down. This slight drop provides a refreshing contrast against the backdrop of the holiday season, making it an ideal time for visitors to enjoy the city's vibrant festivals and cultural offerings. While the humidity remains on the higher side compared to the early months of the year, the milder conditions create a comfortable atmosphere, perfect for exploring the charming streets and rich history of San Miguel de Allende.

December Average Humidity in San Miguel

This chart illustrates the average monthly humidity levels in San Miguel, 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%65%59%60%67%80%81%83%83%80%77%76%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Miguel

In December, San Miguel, Mexico experiences a notable dip in the UV Index, with a reading of 7, categorized as high. This marks a shift from the extreme levels seen in the peak months of summer, where values soared as high as 14 in June. With a burn time of 25 minutes, visitors can feel a bit more at ease basking in the sunlight, compared to the rapid burns of only 10 minutes earlier in the year. This seasonal transition underscores a shifting pattern, allowing for more extended outdoor activities while still being mindful of the sun's effects. To plan your sun exposure wisely, check out San Miguel UV Index.

Maximum UV Index Levels in San Miguel for December

The chart shows the monthly maximum UV Index (UVI) for San Miguel 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.
JanFebMarAprMayJunJulAugSepOctNovDec910131313141213131297
Data source: San Miguel 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 Miguel

As December unfolds in San Miguel, the sun graces the region with an impressive 284 hours of brilliant sunshine, making it a delightful month to bask in warmth before the year concludes. While slightly less than the sun-soaked days of May, which boasts a peak of 344 hours, December still offers a vibrant atmosphere for locals and visitors alike. The month’s sunlight prepares the way for the cooler winter months, following a consistent decline from the peak summer sun in June. This steady rhythm of sunny days throughout the year, with February leading into the spring at 264 hours and April bringing 326 hours, highlights San Miguel's charm as a year-round getaway. Embrace the warmth and light of December, the perfect backdrop for festive celebrations and leisurely strolls through this enchanting city.

Monthly Sunshine Duration in San Miguel: December Highlighted

The December sunshine duration represents the total number of hours San Miguel 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.
JanFebMarAprMayJunJulAugSepOctNovDec231h264h321h326h344h291h293h263h242h269h279h284h
Data source: San Miguel December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Miguel During December

In San Miguel, Mexico, December brings a moderate chance of sunny weather, with approximately 58% likelihood of sunshine gracing the days. This marks a slight dip from November's 55%, but still offers a noteworthy chance for outdoor activities and holiday celebrations under the sun. As the year progresses, the trend reveals a pattern where the likelihood of sun climbs steadily from January through March, peaking at 82% in the latter month, before beginning a gradual decline during the summer months. Thus, while December may not boast the highest sunshine probability, it certainly remains a valid contender for those seeking a pleasant winter escape.

Percentage of Sunny Days in December in San Miguel

The chart illustrates the percentage of sunny days in San Miguel 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 Miguel experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec59%74%82%74%71%19%19%14%16%34%55%58%
Data source: San Miguel December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Miguel in December

In San Miguel, Mexico, December marks a shift into the shorter days of winter, with only 10 hours of daylight illuminating the landscape. This transition is part of a broader trend observed throughout the year, where daylight gradually increases from 11 hours in January and February, peaking at 13 hours during the summer months of May through July. As the seasons change, the daylight diminishes again, with 12 hours in late summer and early fall, before tapering back to 11 hours in October and November. Overall, the trend reveals a rhythmic cycle of light, where San Miguel experiences a gradual lengthening of days as spring approaches, only to retreat as winter embraces the region.

Average Daylight Hours in San Miguel for December

The chart illustrates the variation in daylight duration in San Miguel 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 35m13h 3m13h 17m13h 9m12h 44m12h 12m11h 39m11h 11m10h 57m
Data source: San Miguel daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in San Miguel

As December settles over San Miguel, the average wind speed gently decreases to 1.5 m/s (3 mph), echoing the subdued breezes of the previous summer months. This slight dip reflects a consistent trend, as wind speeds oscillate around the lower end of the scale from June to November, peaking only slightly during the spring months of March and April. Overall, the December winds contribute a serene backdrop to the picturesque charm of the town, inviting residents and visitors alike to enjoy the mild climate and crisp air as the year draws to a close.

Average December Wind Speed in San Miguel

The chart displays monthly wind speed patterns in San Miguel, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.61.71.71.61.51.21.41.21.31.41.5 m/s
Data source: San Miguel December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in San Miguel Compares to Other Months

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

In December, temperatures typically range from a minimum of 8°C (47°F) to a maximum of 31°C (88°F), with an average temperature of 21°C (69°F). The month sees a total precipitation of 19 mm (0.7 in) over just 2 days and features a relatively high humidity level of 76%.

In contrast, January experiences slightly cooler mornings, with a minimum temperature of 5°C (42°F) while maintaining the same maximum of 31°C (88°F) and an average of 20°C (69°F). Precipitation in January increases slightly to 20 mm (0.8 in), also spread across 2 days, but the humidity drops to 70%.

Overall, both months offer warm temperatures, but January is marked by cooler mornings and lower humidity. For more detailed information, you can check the San Miguel weather in January.

December and February share similar average temperatures, with both months ranging from a minimum of 7-8°C (45-47°F) to a maximum of 31°C (88-89°F). However, December tends to be slightly more humid, with humidity levels reaching 76%, compared to February's 65%. Precipitation is also higher in February, totaling 29 mm (1.1 in) compared to December's 19 mm (0.7 in), though both months experience rain predominantly on just two days. For a detailed look at February's weather, you can refer to San Miguel weather in February.

In December, temperatures range from a minimum of 8°C (47°F) to a maximum of 31°C (88°F), averaging around 21°C (69°F). The month experiences about 19 mm (0.7 in) of precipitation over 2 days and a higher humidity level of 76%. In contrast, March sees slightly warmer temperatures, with a minimum of 9°C (48°F) and a maximum of 32°C (90°F), averaging 22°C (71°F). Precipitation drops significantly to just 3 mm (0.1 in) over 1 day, and humidity decreases to a more comfortable 59%. For a detailed look at conditions during this month, check out San Miguel weather in March.

December and April showcase distinct weather characteristics. In December, temperatures range from a minimum of 8°C (47°F) to a maximum of 31°C (88°F), with an average temperature of 21°C (69°F). This month sees modest precipitation at 19 mm (0.7 in) over just 2 days and a higher humidity level of 76%. In contrast, April offers slightly warmer temperatures, with a minimum of 10°C (51°F) and a maximum reaching 32°C (91°F), leading to an average of 22°C (72°F). Notably, April experiences minimal precipitation—only 1 mm (0.0 in) and no rainy days—along with a drop in humidity to 60%. For further insights on the weather during this month, check out San Miguel weather in April.

December and May present distinct weather characteristics. In December, temperatures range from a minimum of 8°C (47°F) to a maximum of 31°C (88°F), with an average of 21°C (69°F). The month sees approximately 19 mm (0.7 in) of precipitation over two days, and humidity levels are relatively high at 76%. In contrast, May offers slightly warmer conditions, with minimum temperatures at 10°C (51°F) and maximums reaching 33°C (91°F), averaging 24°C (75°F). Precipitation is a bit lighter at 14 mm (0.6 in) over two days, and humidity is lower at 67%. For more detailed information, check out San Miguel weather in May.

December and June present contrasting weather conditions. In December, temperatures range from a minimum of 8°C (47°F) to a maximum of 31°C (88°F), with an average of 21°C (69°F). The month sees minimal precipitation, totaling only 19 mm (0.7 in) over just 2 days and maintaining a humidity level of 76%. In stark contrast, June experiences significantly warmer temperatures, with a minimum of 17°C (63°F) and a maximum of 33°C (92°F), averaging 25°C (76°F). This month is also much wetter, receiving 201 mm (7.9 in) of rain dispersed over 20 days, while humidity rises slightly to 80%. For a more detailed look at June weather specifics, you can refer to San Miguel weather in June.

In December, the weather in San Miguel is relatively mild, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 31°C (88°F) and an average of 21°C (69°F). Precipitation is minimal at 19 mm (0.7 in) spread over just 2 days, and humidity levels are moderate at 76%. In contrast, July is considerably warmer and wetter, with temperatures starting at a minimum of 19°C (66°F) and reaching up to 33°C (92°F), averaging around 24°C (76°F). July also experiences significant rainfall, accumulating 311 mm (12.2 in) across 29 days, with a slightly higher humidity of 81%. For a more detailed look at July's climate, visit San Miguel weather in July.

When comparing the weather in December and August, distinct differences emerge. December experiences milder temperatures, with a minimum of 8°C (47°F) and an average of 21°C (69°F), while August is notably warmer, starting at a minimum of 19°C (66°F) and averaging 24°C (76°F). Both months reach similar maximum temperatures, peaking around 31°C (88°F) in December and 31°C (89°F) in August. However, precipitation levels tell a different story: December sees only 19 mm (0.7 in) of rain over just 2 days, whereas August is characterized by significant rainfall, totaling 443 mm (17.4 in) across 31 days. Humidity levels are higher in August at 83%, compared to 76% in December, making December a drier and slightly less humid month. For more insights on August weather, you can visit San Miguel weather in August.

Comparing December and September weather reveals notable differences in temperature and precipitation. December experiences a milder range, with minimum temperatures around 8°C (47°F) and a maximum of 31°C (88°F), making for pleasant weather on average at 21°C (69°F). In contrast, September is warmer overall, with minimum temperatures at 19°C (66°F) and maximums reaching 32°C (89°F), along with an average temperature of 24°C (75°F). However, September also brings significantly higher rainfall, with 425 mm (16.7 in) of precipitation over 29 days, compared to December's relatively dry 19 mm (0.7 in) over just 2 days. Additionally, September has a higher humidity level at 83%, compared to December's 76%. For more detailed information, you can check out San Miguel weather in September.

December weather is generally milder than that of October, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 31°C (88°F) and an average of 21°C (69°F). In contrast, October experiences higher average temperatures, with a minimum of 17°C (63°F) and a maximum of 33°C (91°F), leading to an average of 24°C (75°F). Additionally, December sees significantly less precipitation, totaling just 19 mm (0.7 in) over 2 days, while October is quite rainy with 234 mm (9.2 in) spread over 24 days. The humidity in December is slightly lower at 76%, compared to October's 80%. For more details on the October weather, you can visit San Miguel weather in October.

In comparing the weather of December to that of November, we can see some notable differences. December experiences a slightly lower minimum temperature of 8°C (47°F) compared to November's 12°C (54°F), while the average temperature remains relatively stable at around 21°C (69°F) in December versus 22°C (73°F) in November. Notably, December has less rainfall, recording only 19 mm (0.7 in) over just 2 days, in stark contrast to November's wetter conditions with 46 mm (1.8 in) falling over 8 days. Humidity levels are quite similar, with December at 76% and November at 77%. For more details about November weather, visit San Miguel weather in November.

Compare San Miguel's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in San Miguel

In December, San Miguel experiences a delightful shift in weather, offering a refreshing contrast to the warmer months. With average temperatures hovering around a comfortable 21°C (69°F) and relatively low precipitation, visitors can enjoy the city's vibrant atmosphere under mostly clear skies. This month, while still retaining a hint of humidity at 76%, provides a perfect backdrop for exploring without the sweltering heat typical of summer. As the minimal rainfall graces the landscape only on two days, December stands out as a prime time to experience the charming beauty of San Miguel. For more details on how the weather changes throughout the year, visit San Miguel Climate.