Last updated: April 22, 2025
In December, Monterrey, Mexico experiences a cool and diverse climate characterized by maximum temperatures reaching 24°C (75°F) and minimums dropping to -1°C (31°F). The average temperature sits comfortably around 13°C (55°F), providing a refreshing atmosphere for residents and visitors alike. While the month typically sees 28 mm (1.1 in) of precipitation over 7 days, the humidity can be quite high at 91%, adding a touch of crispness to the air. This blend of temperatures and moisture creates a unique winter ambiance, making December a captivating time to explore Monterrey's vibrant landscapes and cultural offerings.
In December, Monterrey, Mexico, experiences a noticeable drop in temperatures, with minimums dipping to -1°C (31°F), marking the coldest point of the year. However, as the month progresses, daytime warmth peeks at a comfortable 24°C (75°F), creating a pleasant balance ideal for outdoor activities. The average temperature of 13°C (55°F) reflects the transition into winter, offering a refreshing yet mild climate compared to the more sweltering summer months. This cooler trend is a stark contrast to the preceding November’s milder conditions, highlighting Monterrey’s distinctive seasonal shifts and inviting residents and visitors alike to enjoy the crisp air and vibrant holiday festivities.
In Monterrey, Mexico, December marks a transition into the cooler months, featuring a noticeable drop in precipitation compared to the preceding summer. The city receives an average of 28 mm (1.1 in) of rain over approximately 7 days, indicating a significant decrease from the wetter months of June and September. These months see upwards of 259 mm and 251 mm respectively, showcasing the region's pronounced seasonal rainfall patterns. As temperatures begin to cool, the relatively low precipitation in December reflects the onset of drier winter conditions, with residents trading the heavy downpours of summer for a more subdued and crisp climate. This trend not only highlights the shift in weather but also sets the stage for the drier months ahead.
In Monterrey, Mexico, December brings a notable humidity level of 91%, which aligns closely with the trend seen in the preceding months. The city's humidity remains relatively high during the winter, peaking from October onward, reflecting transitions from the wetter autumn months to cooler winter air. As temperatures drop, the consistent humidity levels from November and December can create a brisk atmosphere, enriching the experience of the local winter landscapes. Interestingly, while the year starts with high humidity in January at 88%, the overall trend shows a slight decline through the spring, creating a dynamic yet comfortable climate for both residents and visitors.
In December, Monterrey experiences a UV Index of 9, categorizing it as very high and indicating a burn time of just 15 minutes for unprotected skin. This decline marks a slight easing from the extreme levels seen in the prior months, where the UV Index frequently peaked at 14 and 15 from March through October. Nevertheless, it's crucial to remain vigilant, as December still presents a significant risk, and proper sun protection is advised. To stay informed about UV levels and safety precautions, check the comprehensive guide at Monterrey UV Index.
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December in Monterrey, Mexico, gracefully wraps up the year with 296 hours of sunshine, reflecting a bright and cheerful culmination to the colder months. This late surge of sunlight marks a notable stability in the city's climate, as daylight hours remain consistent from November's 291 hours. As we delve into the year, it's evident that spring and summer hold the sunniest reign, with May and July leading the charge at 325 and 330 hours respectively. On the other hand, the sunny spell begins on the upswing from January, steadily increasing to a pleasing average as the months progress. December's radiant embrace invites both locals and visitors to bask in the pleasant warmth of Monterrey, as the city beautifully transitions into the new year.
In Monterrey, Mexico, December emerges as a notably promising month for sunny weather, boasting a 64% chance of sunshine. This statistic is particularly striking when compared to the preceding months, where the likelihood of clear skies tends to fluctuate significantly. While June and September show a stark dip in sun-filled days, the trend begins to pick up in the latter part of the year, culminating in December's commendable forecast. Following the less radiant months of summer, November brings a subtle improvement, yet it’s December that truly shines, making it an excellent choice for outdoor activities and festivities under the pleasant winter sun.
In Monterrey, Mexico, the month of December brings a steady return to 11 hours of daylight, mirroring the duration seen in both January and February. This trend reflects a subtle ebb and flow of sunlight hours throughout the year, beginning with longer days in May, June, and July, which peak at 13 hours. As the seasons transition, daylight gradually recedes, lending the latter months—all the way to November—a consistent 11 hours of brightness. This cyclical pattern offers residents a familiar rhythm, as the sun's journey through the sky aligns closely with the changing seasons, creating a vibrant backdrop for winter festivities.
As the year draws to a close, December winds in Monterrey, Mexico, register an average speed of 1.8 m/s (4 mph). This slight dip from November's 2.1 m/s aligns with the overall trend of decreasing wind speeds during the latter months of the year. Interestingly, July and August stand out as the windiest months, each reaching 2.2 m/s (5 mph), suggesting that summer brings a notable increase in air movement. In contrast, the winter months tend to feature calmer breezes, with December maintaining a characteristic gentleness reminiscent of the preceding months. Overall, the wind patterns here reveal a rhythmic ebb and flow, reflective of Monterrey's climate as it transitions from warmth to chilly evenings.
The weather in Monterrey 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 Monterrey and find detailed weather information for every month.
In December, temperatures in Monterrey typically range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 24°C (75°F), with an average temperature of 13°C (55°F). The month sees around 28 mm (1.1 in) of precipitation over about 7 days, accompanied by high humidity at 91%. By January, the weather remains similarly mild, with temperatures slightly rising to a minimum of 0°C (33°F) and a maximum of 25°C (78°F), averaging at 12°C (54°F). However, January experiences a bit more rainfall, totaling 36 mm (1.4 in) across 8 days, and slightly lower humidity at 88%. For more detailed information on the weather, you can check Monterrey weather in January.
December and February in Monterrey present a noticeable shift in weather characteristics. In December, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 24°C (75°F), with an average of 13°C (55°F). The month sees around 28 mm (1.1 in) of precipitation over approximately 7 days, coupled with high humidity levels at 91%. In contrast, February experiences slightly milder conditions, with minimum temperatures of 1°C (35°F) and a maximum of 29°C (84°F), averaging 14°C (57°F). This month receives a bit more precipitation at 31 mm (1.2 in) over 8 days but maintains a lower humidity level of 86%. Overall, February tends to be warmer and slightly wetter than December. For more details, visit Monterrey weather in February.
In December, the weather exhibits a cooler range with minimum temperatures dropping to -1°C (31°F) and average highs around 13°C (55°F), while March welcomes a gradual warming trend, boasting a minimum temperature of 3°C (38°F) and average highs of 15°C (59°F). Additionally, March experiences significantly warmer maximum temperatures reaching up to 28°C (83°F), compared to December's peak of 24°C (75°F). Precipitation is more frequent in March, with 54 mm (2.1 in) over 11 days, contrasted with December's 28 mm (1.1 in) over 7 days. Despite March having slightly lower humidity at 84% compared to December's 91%, both months encourage a refreshing atmosphere perfect for enjoying the changing seasons. For more detailed information, you can check Monterrey weather in March.
In December, temperatures in Monterrey typically range from a chilly minimum of -1°C (31°F) to a comfortable maximum of 24°C (75°F), with an average temperature of about 13°C (55°F). The month sees relatively low precipitation, totaling 28 mm (1.1 in) over about 7 days, accompanied by high humidity at 91%.
In contrast, April brings a noticeable warming trend, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 28°C (83°F), averaging around 17°C (62°F). However, April also experiences higher rainfall, with 91 mm (3.6 in) spread over 16 days, and the humidity slightly decreases to 81%. For more detailed information on the weather, you can check Monterrey weather in April.
In December, the weather is generally cooler, with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 24°C (75°F) and an average of 13°C (55°F). The month sees relatively low humidity at 91% and only 28 mm of precipitation over about 7 days. In contrast, May offers a warmer climate, where temperatures range from a minimum of 6°C (44°F) to a comfortable maximum of 28°C (82°F), averaging 17°C (64°F). However, May is significantly wetter, with a total rainfall of 167 mm (6.6 in) spread over 22 days, along with prevailing humidity at 82%. For a closer look at the specifics of the weather in May, visit Monterrey weather in May.
In December, temperatures in Monterrey range from a chilly minimum of -1°C (31°F) to a comfortable maximum of 24°C (75°F), with an average of 13°C (55°F). The month experiences relatively low precipitation, with only 28 mm (1.1 in) spread over about 7 days and high humidity at 91%.
In contrast, June brings much warmer temperatures, with a minimum of 9°C (49°F) and a maximum of 26°C (78°F), averaging around 17°C (63°F). However, this month sees significantly higher precipitation levels at 259 mm (10.2 in) across approximately 25 rainy days, coupled with slightly lower humidity at 81%.
For more details, check out Monterrey weather in June.
December and July present contrasting weather patterns. In December, temperatures range from a cool minimum of -1°C (31°F) to a pleasant maximum of 24°C (75°F), with an average of 13°C (55°F). The month experiences relatively low precipitation of 28 mm (1.1 in) over 7 days, accompanied by high humidity at 91%. In stark contrast, July sees warmer temperatures with a minimum of 8°C (46°F) and a maximum of 25°C (78°F), averaging 16°C (61°F). However, it is much wetter, receiving 125 mm (4.9 in) of rain spread over 16 days, and the humidity drops to a more comfortable 81%. For more detailed information, check the Monterrey weather in July.
December and August present contrasting weather conditions. In December, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 24°C (75°F), with an average of 13°C (55°F). The month experiences relatively low precipitation of 28 mm (1.1 in) over 7 days and high humidity at 91%. In contrast, August is characterized by warmer temperatures, with a minimum of 8°C (47°F) and a maximum reaching 25°C (78°F), averaging 17°C (62°F). However, it faces significantly higher precipitation totals of 162 mm (6.4 in) spread over 20 days, and the humidity is slightly lower at 82%. For more details, check out Monterrey weather in August.
In comparing the weather between December and September, December tends to be cooler with an average temperature of 13°C (55°F), ranging from a low of -1°C (31°F) to a high of 24°C (75°F). In contrast, September experiences milder temperatures, averaging 17°C (62°F), with a temperature range from a minimum of 7°C (45°F) to a maximum of 25°C (77°F). However, September is significantly wetter, with 251 mm (9.9 in) of precipitation spread over 24 days, while December receives only 28 mm (1.1 in) over just 7 days. Humidity levels are slightly higher in December at 91%, compared to 86% in September. For more details on September's weather, you can visit Monterrey weather in September.
When comparing the weather in December and October, there are notable differences in temperatures and precipitation levels. December, with a minimum temperature of -1°C (31°F) and an average of 13°C (55°F), tends to be cooler than October, which has a minimum temperature of 5°C (41°F) and an average of 16°C (61°F). Additionally, October experiences significantly higher precipitation, totaling 138 mm (5.4 in) over 19 days compared to December's 28 mm (1.1 in) over 7 days. Humidity levels remain similar in both months, with December at 91% and October at 90%. For more detailed information, you can visit Monterrey weather in October.
In comparing the weather between November and December, December tends to be slightly cooler, with average temperatures ranging from a minimum of -1°C (31°F) to a maximum of 24°C (75°F), compared to November's range of 3°C (39°F) to 25°C (78°F). Additionally, December experiences less precipitation, totaling 28 mm (1.1 in) over 7 days, while November has a higher precipitation of 56 mm (2.2 in) over 12 days. Despite these differences, both months share a high humidity level of 91%. For more detailed insights, you can visit Monterrey weather in November.
As December rolls into Monterrey, the weather takes on a refreshing coolness that contrasts sharply with the warmer months. With average temperatures hovering around a comfortable 13°C (55°F), residents and visitors can enjoy the crisp air alongside the holiday buzz. Although there are occasional chilly nights where temperatures may dip to around -1°C (31°F), the days remain mild, peaking at a pleasant 24°C (75°F). Precipitation is relatively low, totaling about 28 mm over just a handful of rainy days, allowing for plenty of sunshine to break through the typical 91% humidity. This unique blend of cool and comfortable makes December a delightful month to experience Monterrey's charm. For more about what to expect across the year, visit Monterrey Climate.