December Weather in San Miguel, Mexico

Last updated: April 22, 2025

In December, San Miguel, Mexico experiences a unique blend of temperatures and conditions that appeal to both locals and visitors alike. The maximum temperature can reach a warm 28°C (83°F), while the average rests at a comfortable 15°C (59°F). However, nights can get chilly, with minimum temperatures dropping to 1°C (34°F). The month is relatively wet, recording 59 mm (2.3 in) of rain over approximately 8 days, contributing to a high humidity level of 91%. This combination of mild warmth during the day and crisp nights makes December an inviting time to explore the charming streets of this historic town.

December Temperature in San Miguel

In December, San Miguel, Mexico, experiences a delightful transition into the winter season, with temperatures offering a comfortable reprieve from the heat of the preceding months. The month opens with a chilly minimum of 1°C (34°F), signaling the coolness of winter nights. By day, however, the average temperature rises to a pleasant 15°C (59°F), and the afternoons can be quite warm, peaking at 28°C (83°F). This pattern reflects a consistent trend from previous months, where cool mornings give way to pleasantly mild afternoons. As the year draws to a close, visitors can enjoy crisp evenings under starry skies, making December a unique and inviting time to explore the charm and culture of San Miguel.

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.
JanFebMarAprMayJunJulAugSepOctNovDec586165697372717171686359
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 de Allende experiences a significant shift in precipitation patterns, with average rainfall dropping to just 59 mm (2.3 in) over approximately 8 days of rain. This marked decrease offers a refreshing contrast to the wettest months of the year, where June to September see the most substantial downpours, often exceeding 200 mm. As the year winds down, the dry conditions of December pave the way for clearer skies, creating an ideal backdrop for festivities and outdoor activities. This seasonal change highlights the region's vibrant climate, balancing lush greenery during the rainy months with the crisp, cooler air of the dry season.

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.
JanFebMarAprMayJunJulAugSepOctNovDec857310212917923418721028431812859
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Miguel

In December, San Miguel witnesses a noteworthy humidity level of 91%, maintaining the high humidity trend that has characterized the late fall months. As the year winds down, this level is closely aligned with the 91% recorded in November. A gradual decline in humidity began earlier in the year, with levels peaking at 88% in January and steadily decreasing to 72% in July before rising again in the autumn. This fluctuation highlights a distinct pattern where humidity is higher during the winter months, providing a humid ambiance as the festive season approaches. Overall, December's humidity reflects the region's ongoing transition from the dry summer months into the more humid winter climate.

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.
JanFebMarAprMayJunJulAugSepOctNovDec89%86%83%80%82%79%72%74%84%92%91%91%
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 experiences a UV Index of 7, categorizing the exposure level as high with a burn time of 25 minutes. This marks a noticeable decline from the extreme levels seen during the summer months, where the UV Index reaches a peak of 13 from June to September, demanding greater caution with a burn time of only 10 minutes. As the year winds down, the UV Index settles to a more manageable figure, drawing a contrast to earlier months like February and March, which recorded peak indices of 10 and 12 respectively. Despite the drop, it’s still wise to remain vigilant about sun exposure, particularly as the sun can be deceptively strong. For more detailed insights, 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.
JanFebMarAprMayJunJulAugSepOctNovDec810121313131313131197
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

December in San Miguel, Mexico, brings a delightful 241 hours of sunshine, closing the year on a bright note. This month tends to showcase a gentle decline in sunshine hours compared to the vibrant peaks of summer, where July and May shine with 312 and 311 hours respectively. As the temperatures cool, December’s sun remains generous, offering more light than the earlier winter months of November and January. The overall trend throughout the year reveals a gradual increase in sunshine hours, peaking during the summer but maintaining a pleasant presence in December, perfect for holiday festivities and exploration of this charming town. With each sunny day, San Miguel invites visitors to embrace its rich culture under the warmth of the winter sun.

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.
JanFebMarAprMayJunJulAugSepOctNovDec186h225h269h280h311h286h312h306h269h248h233h241h
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

December in San Miguel, Mexico, brings a promising 54% chance of sunny weather, making it one of the most favorable months for sunshine in the year. This notable surge in sunshine contrasts sharply with the lower probabilities observed during the summer months, where June and July plummet to just 12% and 21% respectively. Following the warmth of fall, which features consistent but moderate sunny days in October and November, December marks a delightful shift towards clearer skies and brighter days. As the year comes to a close, visitors can expect a cheerful respite, perfect for exploring the vibrant culture and stunning landscapes that San Miguel has to offer.

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.
JanFebMarAprMayJunJulAugSepOctNovDec24%39%48%37%30%12%21%29%16%27%27%54%
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 1m11h 27m12h 2m12h 37m13h 7m13h 21m13h 13m12h 47m12h 13m11h 38m11h 7m10h 53m
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 in San Miguel, the crisp air brings a notable shift in the wind speed, averaging 1.5 m/s (3 mph)—an increase from the gentle breezes of previous months. This slight uptick contrasts the summer's milder currents, which hovered between 1.2 m/s and 1.4 m/s. Interestingly, December's winds serve as a precursor to the more robust breezes of spring, which see a gradual rise, reaching a peak of 1.6 m/s in both March and April. The steady winds of the month not only enhance the charm of San Miguel's festive atmosphere but also signal the transition towards a warmer season, making it an enchanting time to explore this vibrant locale.

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.
JanFebMarAprMayJunJulAugSepOctNovDec1.31.41.61.61.41.21.31.41.21.31.31.5 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 comparing the weather conditions of December and January, both months experience mild temperatures, but January tends to be slightly warmer, with a minimum temperature of 3°C (38°F) compared to December's 1°C (34°F). The average temperature drops marginally from December's 15°C (59°F) to January's 14°C (58°F), while the maximum temperature increases, with January peaking at 31°C (89°F), compared to December's 28°C (83°F). However, January also sees more rainfall, accumulating 85 mm (3.3 in) over approximately 11 days, compared to December's 59 mm (2.3 in) over 8 days, reflecting a slightly wetter climate. Humidity levels remain high in both months, with December at 91% and January at 88%. For more detailed information, you can visit San Miguel weather in January.

In December, the weather features a mild range with minimum temperatures around 1°C (34°F) and maximum temperatures peaking at 28°C (83°F), leading to an average of 15°C (59°F). The month sees a total precipitation of 59 mm (2.3 in) across 8 days, accompanied by high humidity levels at 91%.

In contrast, February experiences slightly warmer conditions, with minimum temperatures increasing to 2°C (37°F) and maximums reaching 32°C (90°F), resulting in a higher average temperature of 16°C (62°F). However, February also brings more precipitation, totaling 73 mm (2.9 in) over 11 days, while humidity decreases slightly to 86%. For more detailed insights, you can check San Miguel weather in February.

In December, the weather is generally milder with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 28°C (83°F) and an average of 15°C (59°F). This month experiences 59 mm (2.3 in) of precipitation over about 8 days, with humidity levels peaking at 91%. In contrast, March sees warmer temperatures, with minimums of 4°C (40°F) and maximums reaching up to 32°C (90°F), averaging 18°C (65°F). However, it also brings increased precipitation, totaling 102 mm (4.0 in) over 15 days, while humidity drops to 83%. For a more detailed look at the weather in March, visit San Miguel weather in March.

December and April exhibit notable differences in weather conditions. In December, temperatures range from a chilly minimum of 1°C (34°F) to a maximum of 28°C (83°F), with an average of 15°C (59°F). This month also sees an average humidity level of 91% and approximately 59 mm (2.3 in) of precipitation over about 8 days. Conversely, April experiences milder temperatures, with a minimum of 9°C (49°F), an average of 21°C (70°F), and a maximum reaching 34°C (94°F). Rainfall increases significantly to 129 mm (5.1 in) spread over 12 days, while humidity drops to 80%. For more details on April’s weather, check out San Miguel weather in April.

December weather in San Miguel is characterized by mild temperatures, with a minimum of 1°C (34°F) and a maximum of 28°C (83°F), averaging around 15°C (59°F). The month sees relatively low humidity at 91% and about 59 mm (2.3 in) of precipitation over roughly 8 days. In contrast, May experiences warmer conditions, with temperatures ranging from a minimum of 12°C (55°F) to a maximum of 32°C (90°F), averaging 23°C (73°F). However, May is much wetter, receiving 179 mm (7.1 in) of rain over approximately 20 days and slightly lower humidity at 82%. For a more detailed look at the weather in May, you can visit San Miguel weather in May.

December and June exhibit strikingly different weather patterns. In December, temperatures range from a chilly minimum of 1°C (34°F) to a warm maximum of 28°C (83°F), with an average of 15°C (59°F). The month sees relatively low precipitation at 59 mm (2.3 in) over 8 days, accompanied by high humidity at 91%. In contrast, June brings warmer conditions, with minimum temperatures starting at 15°C (59°F) and peaking at 33°C (91°F), averaging 22°C (72°F). However, it also experiences significantly higher rainfall, totaling 234 mm (9.2 in) across 25 days, and somewhat lower humidity at 79%. For a closer look at June weather in San Miguel, check out San Miguel weather in June.

December and July present contrasting weather experiences. In December, temperatures range from a chilly minimum of 1°C (34°F) to a comfortable average of 15°C (59°F), reaching a maximum of 28°C (83°F). The month is characterized by high humidity at 91% and relatively low precipitation at 59 mm (2.3 in) over about 8 days. In contrast, July boasts warmer conditions, with temperatures starting at a minimum of 15°C (60°F) and peaking at a maximum of 29°C (84°F) with an average of 22°C (72°F). However, it also sees a significant increase in precipitation, reaching 186 mm (7.3 in) over 26 days, coupled with lower humidity at 72%. For a detailed look at July weather, check out this link: San Miguel weather in July.

When comparing the weather in December and August, it's clear that December is generally milder with average temperatures ranging from a low of 1°C (34°F) to a high of 28°C (83°F). The month sees relatively low precipitation, accumulating 59 mm (2.3 in) over about 8 days, paired with high humidity at 91%. In contrast, August is warmer and more humid, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 29°C (84°F). However, August experiences significantly higher precipitation, totaling 210 mm (8.3 in) over approximately 28 days, leading to a humidity level of 74%. For more detailed insights, you can check San Miguel weather in August.

In comparing the weather of December and September, we observe notable differences in temperature and precipitation patterns. December experiences a cooler range with minimum temperatures dipping to 1°C (34°F) and average highs around 15°C (59°F), while September is much warmer, featuring minimums of 13°C (55°F) and average maximums reaching 31°C (87°F). Precipitation also varies significantly; December receives 59 mm (2.3 in) over just 8 days, whereas September sees a much wetter climate with 284 mm (11.2 in) spread over 27 days. Notably, despite the additional rainfall in September, humidity levels are slightly lower at 84% compared to a high of 91% in December. For more specific details on September weather, you can check San Miguel weather in September.

In comparing the weather of December and October, December generally experiences cooler temperatures, with a minimum of 1°C (34°F) and an average of 15°C (59°F), compared to October's minimum of 10°C (51°F) and average of 20°C (68°F). The maximum temperatures also reveal a shift, as December peaks at 28°C (83°F) while October reaches up to 31°C (88°F). Additionally, October sees significantly more precipitation, with 318 mm (12.5 in) over 20 days, compared to December's 59 mm (2.3 in) over 8 days. Humidity levels are slightly lower in October at 92%, while December hovers at 91%. For more detailed information on October's weather, visit San Miguel weather in October.

In comparing the weather between December and November, we observe some interesting contrasts. December experiences slightly cooler temperatures, with a minimum of 1°C (34°F) and an average of 15°C (59°F), compared to November's minimum of 2°C (36°F) and an average of 17°C (63°F). Despite both months reaching a similar maximum temperature of 28°C (83°F), November is notably wetter, with 128 mm (5.0 in) of precipitation over 14 days, while December sees only 59 mm (2.3 in) across 8 days. Humidity levels remain consistent at 91% in both months. For a more detailed overview, you can check San Miguel weather in November.

Compare San Miguel's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in San Miguel

As December rolls into San Miguel, the weather offers a refreshing contrast to the warmer months. With cooler temperatures averaging around 15°C (59°F), it creates a pleasant atmosphere complemented by the festive spirit of the season. While daytime highs can reach a maximum of 28°C (83°F), the evenings can be notably chilly, occasionally dipping to 1°C (34°F). The month sees a modest amount of rainfall at 59 mm (2.3 in) over approximately 8 days, resulting in a humid environment at 91% that maintains the lushness of the landscapes. This cooler, wetter spell sets December apart, making it an inviting time to explore and enjoy all that San Miguel has to offer. For a deeper dive into the local climate, don’t miss San Miguel Climate.