December Weather in Matamoros, Mexico

Last updated: April 22, 2025

In Matamoros, Mexico, December offers a diverse climatic experience, with maximum temperatures soaring up to 36°C (98°F) and an average of 25°C (77°F). Nights can be pleasantly cool, dipping to a minimum of 11°C (51°F). This month typically sees around 25 mm (1.0 in) of precipitation spread over approximately 5 days, contributing to the high humidity level of 84%. The blend of warmth and occasional rain makes December a unique time to experience the vibrant surroundings of this dynamic city.

December Temperature in Matamoros

In December, Matamoros, Mexico, experiences a mild yet inviting climate, with temperatures ranging from a minimum of 11°C (51°F) to a pleasant average of 25°C (77°F) and a maximum reaching 36°C (98°F). As the year comes to an end, the weather becomes notably cooler compared to the scorching highs of summer months like April and May, which see temperatures soar above 40°C (104°F). This gradual dip offers a comfortable escape for visitors, highlighting a trend of milder and more enjoyable conditions that can be ideal for outdoor activities and sightseeing. With the warm sun and crisp evenings, December is a delightful time to explore Matamoros’ vibrant culture, making it a well-balanced month between the intense summer heat and the cooler winter season.

December Weather in Matamoros: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Matamoros, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec768083878884858483817877
Data source: Temperature data for Matamoros generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Matamoros

In December, Matamoros experiences a notable shift in its precipitation pattern, receiving 25 mm (1.0 in) of rain over about 5 days. This month marks a slight increase from the drier months of November and February but remains significantly lower when compared to the heavy rains of June and September. The overall trend shows a transition toward drier conditions as the year closes, with December's precipitation amount falling below the seasonal averages typical during the summer months. However, the December showers can add a refreshing touch to the landscape, setting the stage for the cooler winter climate that follows.

December Precipitation Trends in Matamoros

The chart displays monthly precipitation patterns in Matamoros, 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.
JanFebMarAprMayJunJulAugSepOctNovDec19581863240741041571466025
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Matamoros

As December rolls in, Matamoros, Mexico, experiences a notable rise in humidity, peaking at 84%, making it one of the most humid months of the year. This trend follows a gradual increase from the relatively drier months of late spring and early summer, where humidity levels hovered around 59%. Throughout the year, humidity levels typically oscillate, starting at 78% in January, gradually declining until April, before rising again in late summer and reaching a plateau in the fall. With November closing in at 83%, December’s humidity solidifies a pattern characterized by a shift towards a more muggy atmosphere, reflecting the transition into winter. As the year comes to an end, Matamoros becomes enveloped in a moist embrace that is both refreshing and hearty.

December Average Humidity in Matamoros

This chart illustrates the average monthly humidity levels in Matamoros, 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.
JanFebMarAprMayJunJulAugSepOctNovDec79%73%64%61%60%59%64%76%80%82%83%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Matamoros

As December arrives in Matamoros, Mexico, the UV Index begins to decrease, settling at a 8, which falls into the very high exposure category. This marks a decline from the extreme readings prevalent throughout the peak summer months, where values soared between 12 and 14. In contrast to November's UV Index of 9, the transition to December highlights a slight reduction in sun intensity, extending the burn time to a safer 15 minutes. Overall, while December offers a respite from the extreme conditions of earlier months, residents and visitors should still remain vigilant about sun protection. For more details, explore the Matamoros UV Index.

Maximum UV Index Levels in Matamoros for December

The chart shows the monthly maximum UV Index (UVI) for Matamoros 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.
JanFebMarAprMayJunJulAugSepOctNovDec911131413131313131298
Data source: Matamoros 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 Matamoros

In Matamoros, Mexico, the trend of sunshine hours unfolds beautifully as the year progresses. Starting with 225 hours in January, the sunlight gradually intensifies, peaking in May with 329 hours. As the summer months roll in, July takes the crown with a remarkable 331 hours, casting long, golden days. Even as fall approaches, sunshine remains plentiful, maintaining impressive totals around 300 hours each month from September through November. By December, the sun still graces the sky with 289 hours, wrapping up the year with a warm glow that hints at the vibrant days ahead. This gradual rise and fall in sunlight not only offers a glimpse into the climate but also beckons outdoor lovers to bask in the sun-kissed beauty of a Mexican winter.

Monthly Sunshine Duration in Matamoros: December Highlighted

The December sunshine duration represents the total number of hours Matamoros 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.
JanFebMarAprMayJunJulAugSepOctNovDec225h273h315h314h329h290h331h323h300h290h290h289h
Data source: Matamoros December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Matamoros During December

In Matamoros, Mexico, December marks a delightful shift toward sunnier days, with the likelihood of sunshine rising to 68%—a notable increase compared to the earlier months of the year. Following a relatively cooler November, which holds a 54% chance of sun, December sets the stage for a more vibrant and bright atmosphere. This trend showcases the transition into winter, where sunny days become more common, reminding us that while the temperatures drop, the sun's presence remains prominent. As we head into December, residents and visitors alike can bask in the warmth of optimism that accompanies the increase in sunny weather possibilities.

Percentage of Sunny Days in December in Matamoros

The chart illustrates the percentage of sunny days in Matamoros 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 Matamoros experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec42%68%76%64%41%23%37%46%30%41%54%68%
Data source: Matamoros December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Matamoros in December

In Matamoros, Mexico, the rhythm of daylight shifts subtly throughout the year, exhibiting a predictable yet captivating pattern. As winter approaches in December, residents experience 11 hours of daylight, mirroring the earlier months of January and February. The days gradually lengthen to a peak of 13 hours in May, June, and July, offering vibrant summer evenings. Following this peak, daylight begins to recede, returning to 12 hours in late summer and early fall, before settling back into the shorter days of winter. This cyclical variation illustrates the region's mild climate and provides a comforting sense of predictability as the year unfolds.

Average Daylight Hours in Matamoros for December

The chart illustrates the variation in daylight duration in Matamoros throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 8m11h 32m12h 2m12h 33m13h13h 12m13h 5m12h 42m12h 12m11h 41m11h 14m11h 1m
Data source: Matamoros daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Matamoros

In December, the wind in Matamoros, Mexico, picks up slightly, with an average speed of 2.6 m/s (6 mph)—a return to the breezy conditions reminiscent of earlier months. This uptick follows a slow decline in wind speeds from October's 1.9 m/s (4 mph), reflecting a trend where the year starts off with more lively gusts, peaking in late winter and early spring before gradually quieting down through the summer. As December unfolds, residents and visitors alike can enjoy the refreshing briskness of the air, a reminder of the lively winds that graced the region just months before.

Average December Wind Speed in Matamoros

The chart displays monthly wind speed patterns in Matamoros, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.63.03.33.13.02.62.72.52.31.92.02.6 m/s
Data source: Matamoros December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Matamoros Compares to Other Months

The weather in Matamoros 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 Matamoros and find detailed weather information for every month.

In December, the weather features a more significant range in temperatures, with minimums around 11°C (51°F) and maximums reaching up to 36°C (98°F). The month averages a comfortable 25°C (77°F) but experiences 25 mm of precipitation over five days, contributing to a relatively high humidity level of 84%.

Conversely, January sees slightly warmer minimums at 13°C (56°F) and similar maximums at 37°C (99°F), but it averages a degree cooler at 24°C (76°F). Precipitation decreases to 19 mm over just three days, resulting in lower humidity at 78%. For a detailed weather overview, you can check Matamoros weather in January.

In December, the weather tends to be quite warm, with a minimum temperature of 11°C (51°F) and a maximum reaching up to 36°C (98°F), leading to an average of 25°C (77°F). The month experiences moderate precipitation, with 25 mm (1.0 in) over about five days, and a notably high humidity level of 84%.

In contrast, February showcases even warmer conditions, featuring a higher average temperature of 27°C (80°F) and a maximum that can soar to 40°C (105°F), although it only has a slight increase in minimum temperature to 12°C (54°F). This month is drier, with only 5 mm (0.2 in) of precipitation occurring on just one day, contributing to lower humidity at 73%. For more details about February weather, you can check Matamoros weather in February.

In December, the weather tends to be warmer during the day, with average temperatures reaching around 25°C (77°F) and highs peaking at 36°C (98°F). Humidity is notably high at 84%, and the month experiences some rainfall, with around 25 mm (1.0 in) falling over approximately 5 days. In contrast, March sees a slight increase in average temperature to 28°C (83°F), while the maximum can soar to 42°C (107°F). The humidity drops to a more comfortable 64%, and precipitation is minimal, averaging just 8 mm (0.3 in) over a single day. This makes March a drier and potentially more pleasant month compared to December. For more details, check out Matamoros weather in March.

In December, the weather features a minimum temperature of 11°C (51°F) and an average of 25°C (77°F), with maximum highs reaching 36°C (98°F). This month experiences about 25 mm (1.0 in) of precipitation over five days, coupled with relatively high humidity at 84%. In contrast, April brings warmer conditions with minimum temperatures at 17°C (63°F) and an average of 30°C (87°F), peaking at a scorching 44°C (111°F). Despite slightly less rainfall at 18 mm (0.7 in) over four days, humidity decreases to 61%, providing a drier and hotter atmosphere. For a more detailed insight into April's weather, you can visit Matamoros weather in April.

December and May present contrasting weather patterns. In December, temperatures range from a mild minimum of 11°C (51°F) to a maximum of 36°C (98°F), with an average of 25°C (77°F). The month experiences relatively low precipitation at 25 mm (1.0 in) over 5 days, alongside high humidity levels at 84%. In comparison, May boasts warmer temperatures with a minimum of 18°C (65°F), an average of 31°C (88°F), and soaring highs of 43°C (109°F). It also sees increased precipitation, with 63 mm (2.5 in) spread over 10 days, while humidity drops to 59%. For further details, you can check Matamoros weather in May.

In December, the weather is typically milder, with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 36°C (98°F), and an average of 25°C (77°F). The month sees relatively low precipitation, with only 25 mm (1.0 in) over about 5 days, coupled with high humidity at 84%. In contrast, June experiences much warmer conditions, with minimum temperatures around 21°C (71°F) and maximums soaring to 39°C (103°F), averaging 29°C (84°F). June is also characterized by significantly higher precipitation, totaling 240 mm (9.5 in) over 18 days, and a lower humidity level of 59%. For more detailed insights, check out Matamoros weather in June.

December weather tends to be warmer overall compared to July, particularly with average temperatures ranging from a minimum of 11°C (51°F) to a maximum of 36°C (98°F), making it more bearable with lower humidity levels at 84%. In contrast, July experiences higher temperatures with a minimum of 22°C (72°F) and a scorching maximum of 40°C (103°F), coupled with higher humidity at 64%. Additionally, July sees significantly more rainfall, accumulating 74 mm (2.9 in) over 14 days, whereas December has only 25 mm (1.0 in) of precipitation over just 5 days. For a detailed overview of July weather, you can visit Matamoros weather in July.

In December, the weather tends to be drier and more manageable, with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 36°C (98°F) and an average of 25°C (77°F). With only 25 mm (1.0 in) of precipitation over about 5 days and a humidity level of 84%, December is generally more pleasant for outdoor activities. In contrast, August experiences much hotter conditions, featuring a minimum temperature of 22°C (72°F) and soaring up to 40°C (105°F), with an average of 29°C (85°F). The month is also significantly wetter, with a total precipitation of 104 mm (4.1 in) spread across approximately 18 days, and a humidity level of 76%. This stark difference in weather patterns highlights the transition from a mild and relatively dry December to a hot and humid August. For more detailed insights on August weather, you can check out Matamoros weather in August.

In December, the weather is noticeably milder, with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 36°C (98°F) and an average of 25°C (77°F). The month sees much less precipitation, with only 25 mm (1.0 in) spread over 5 days and a humidity level of 84%. In contrast, September experiences much warmer temperatures, with a minimum of 22°C (72°F), an average of 28°C (83°F), and a peak of 39°C (102°F). It also features significantly higher rainfall, accumulating 157 mm (6.2 in) over 21 days, along with slightly lower humidity at 80%. For more details about September climate, you can check Matamoros weather in September.

In comparing the weather between December and October, we observe notable differences in temperature and precipitation levels. December features a more moderate temperature range, with minimums around 11°C (51°F) and maximums peaking at 36°C (98°F), while October is warmer with minimums at 17°C (64°F) and maximums reaching 37°C (99°F). Humidity remains relatively high in both months, at 84% in December and 82% in October. However, October experiences significantly higher rainfall, with 146 mm (5.8 in) over 21 days compared to December's milder 25 mm (1.0 in) over just 5 days. For a detailed look at October weather in this region, you can check Matamoros weather in October.

In December, the weather in Matamoros tends to be slightly warmer, with average temperatures ranging from a minimum of 11°C (51°F) to a maximum of 36°C (98°F), compared to November's range of 14°C (57°F) to 35°C (95°F). While both months have a similar average temperature of around 25°C (77°F), December experiences significantly less rainfall, with only 25 mm (1.0 in) over 5 days, whereas November sees a higher precipitation level of 60 mm (2.4 in) across 10 days. Humidity levels remain comparable, at 84% in December and 83% in November, making for a relatively consistent feel between the two months. For more details, you can check Matamoros weather in November.

Compare Matamoros's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Matamoros

December in Matamoros presents a delightful shift in weather as the year draws to a close. With the average temperature cooling to a comfortable 25°C (77°F), the days are warmer than the crisp evenings, setting a pleasant contrast to the hotter months preceding it. While rainfall is limited, with only a few days of precipitation, the humidity remains notably high at 84%, adding a refreshing moisture to the air. This combination creates a unique atmosphere, making December an inviting time to experience the vibrant local culture against the backdrop of mild yet comfortable weather. To learn more about the year-round weather patterns, visit Matamoros Climate.