December Weather in Matamoros, Mexico

Last updated: April 22, 2025

December in Matamoros, Mexico offers a blend of mild temperatures and subtle weather patterns. With maximums reaching 32°C (89°F) and minimums dipping to -1°C (30°F), the month presents a comfortable average temperature of 16°C (61°F). While the air remains humid at 84%, residents and visitors can expect only 2 days of rain, accumulating 12 mm (0.5 in) of precipitation. This uniquely temperate climate makes December an ideal time to explore the vibrant culture of Matamoros while enjoying pleasant outdoor activities.

December Temperature in Matamoros

In Matamoros, Mexico, December marks the transition into cooler temperatures as the year winds down. With minimums dropping to a brisk -1°C (30°F), residents experience the chill of winter, although average daytime highs reach a pleasant 32°C (89°F). This month presents a comforting balance, featuring an average temperature of 16°C (61°F) that encourages outdoor activities while still requiring a light jacket for the cooler evenings. As December rolls in, the temperatures begin to showcase a shift from the intense heat of summer, making it a delightful time to explore the vibrant city and its surroundings.

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.
JanFebMarAprMayJunJulAugSepOctNovDec596672788485838479756761
Data source: Temperature data for Matamoros 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 Matamoros

In December, Matamoros, Mexico experiences a moderate increase in precipitation, recording 12 mm (0.5 in) over just two days of rainfall. This marks a noticeable uptick compared to November's modest 7 mm, indicating a slight transition into the wetter months of the year. While December's precipitation is still relatively low overall, it hints at the greater volumes typically seen in the following months. As the year wraps up, this gentle rainfall contrasts sharply with the heavier deluges experienced from July to September, underscoring the dynamic shifts in Matamoros’ climate throughout the year.

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.
JanFebMarAprMayJunJulAugSepOctNovDec567271642205031712
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Matamoros

December in Matamoros, Mexico, marks the peak of humidity for the year, reaching an appreciable 84%. This month stands out against the backdrop of fluctuating humidity levels throughout the year, where we observe a gradual climb from 62% in February to December's high. The humidity begins to rise significantly in late summer, peaking in the months of October and November, which average around 82%, before making a further ascent into the winter month of December. This trend indicates a consistent increase in moisture in the air, especially as the year draws to a close, creating a distinctly humid atmosphere that envelops the city, even as temperatures cool.

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.
JanFebMarAprMayJunJulAugSepOctNovDec70%62%53%48%52%64%73%71%82%83%82%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Matamoros

In December, Matamoros experiences a moderate UV Index of 7, placing it in the high exposure category. This marks a slight decrease from the extreme UV levels seen throughout the summer months, where indices consistently reached 13, demanding cautious protection with a burn time of just 10 minutes. As the year winds down, locals and visitors can enjoy a more manageable 25-minute burn time under the sun, reminiscent of January’s conditions. This downward trend from the sweltering summer results in a great opportunity to revel in outdoor activities while still being mindful of the sun's rays. For more details on UV exposure in the area, check out 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.
JanFebMarAprMayJunJulAugSepOctNovDec710121313131313131187
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

December in Matamoros, Mexico, sees an impressive 272 hours of sunshine, mirroring the month of November and providing a warm, welcoming end to the year. This aligns with a trend of nearly consistent daylight hours that have been steadily increasing since the year's start. From a modest 219 hours in January to a peak of 356 hours in July, the shift in sunny days reflects Matamoros's vibrant climatic pattern. As we transition from the gleaming heights of mid-summer, December's sunshine ensures that the festive season is bright and inviting, wrapping up the year with gentle warmth and plenty of light.

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.
JanFebMarAprMayJunJulAugSepOctNovDec219h262h310h324h353h350h356h343h298h291h272h272h
Data source: Matamoros December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Matamoros During December

In December, Matamoros, Mexico, enjoys a 61% chance of sunny weather, making it one of the milder months for sunlight when compared to earlier months in the year. As the year winds down, the likelihood of clear skies is still fairly notable but shows a gradual decline from the higher percentages of sunshine seen in late spring and early fall. This trend emphasizes a shift as the region transitions into winter, where January and February typically boast even brighter conditions. Overall, while December may not be the sunniest month, residents and visitors can still expect a decent amount of sunshine to brighten their days.

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.
JanFebMarAprMayJunJulAugSepOctNovDec71%70%64%71%76%66%52%51%55%69%67%61%
Data source: Matamoros December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Matamoros in December

As December rolls in, Matamoros, Mexico experiences a return to shorter days, with daylight spanning 10 hours—a trend mirrored from both January and November. The daylight duration begins its gradual ascent in February, peaking at 13 hours during the summer months of May through July. This seasonal cycle reflects a consistent pattern, with longer days during the warmest months and a gentle decline as winter approaches. With the fading light of December, residents can embrace cozy evenings that transition into the vibrancy of the upcoming spring.

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.
JanFebMarAprMayJunJulAugSepOctNovDec10h 44m11h 18m12h 1m12h 45m13h 23m13h 41m13h 31m12h 58m12h 15m11h 31m10h 53m10h 34m
Data source: Matamoros daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Matamoros

In December, Matamoros, Mexico experiences its calmest winds of the year, with an average speed dropping to 1.9 m/s (4 mph). This decline marks a notable shift from the slightly brisker winds enjoyed in the earlier months, such as May and June, where winds peak at 3.0 m/s (7 mph). Following an upward trend peaking in the summer, the winds gradually weaken through the fall, creating a serene atmosphere ideal for reflection and relaxation. As the crisp December air settles in, residents and visitors alike may find the gentle breezes a welcome contrast to the bustling winds of spring and summer, inviting them to savor the quieter days of the season.

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.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.22.92.93.03.22.42.52.62.32.01.9 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 showcases a broader temperature range, with a minimum of -1°C (30°F) and a maximum that reaches up to 32°C (89°F). The month experiences an average temperature of 16°C (61°F) and a total precipitation of 12 mm (0.5 in) over 2 days, accompanied by a relatively high humidity level of 84%.

In contrast, January exhibits slightly milder weather, maintaining a minimum of -1°C (31°F) and a maximum of 31°C (88°F). The average temperature drops slightly to 15°C (60°F), and precipitation is notably lower at 5 mm (0.2 in), occurring over just 1 day, with humidity decreasing to 70%.

For more detailed insights on January weather, visit Matamoros weather in January.

In December, temperatures in Matamoros range from a low of -1°C (30°F) to a high of 32°C (89°F), with an average temperature of 16°C (61°F). The month experiences about 12 mm (0.5 in) of precipitation over two days, coupled with a high humidity of 84%. In contrast, February sees slightly warmer conditions, featuring minimum temperatures around 0°C (32°F) and maximums reaching up to 36°C (97°F). The average temperature rises to 19°C (66°F), and with only 6 mm (0.2 in) of rainfall over no rainy days, humidity drops significantly to 62%. This shift indicates a transition from the wet and chilly days of December to the drier and warmer climate of February. For more details, check out Matamoros weather in February.

In December, the weather is significantly cooler, with temperatures ranging from a chilly -1°C (30°F) at night to a warm 32°C (89°F) during the day, averaging 16°C (61°F). The month sees approximately 12 mm (0.5 in) of precipitation over just two days, resulting in a high humidity level of 84%.

In contrast, March brings milder temperatures, with nighttime lows of 6°C (43°F) and daytime highs soaring to 39°C (102°F), averaging around 22°C (72°F). Precipitation drops to 7 mm (0.3 in) over just one day, and the humidity also decreases to 53%. This transition from December to March highlights a notable shift towards warmer and drier conditions. For detailed insights on March weather, you can check Matamoros weather in March.

When comparing the weather in December and April, there are stark differences in temperature and humidity. December experiences a range of temperatures from a chilly minimum of -1°C (30°F) to an average of 16°C (61°F) and a maximum of 32°C (89°F), accompanied by relatively high humidity at 84% and a bit of precipitation, with 12 mm (0.5 in) over 2 days. In contrast, April boasts significantly warmer conditions, with temperatures starting at a minimum of 11°C (51°F), averaging 26°C (78°F), and peaking at a hot 38°C (100°F). Furthermore, April is much drier, with only 2 mm (0.1 in) of precipitation occurring over the course of the month and a much lower humidity level of 48%. For more details, you can check Matamoros weather in April.

In December, temperatures in Matamoros range from a chilly minimum of -1°C (30°F) to a comfortable maximum of 32°C (89°F), with an average temperature of 16°C (61°F). The month experiences a relatively high humidity level of 84% and about 12 mm (0.5 in) of precipitation over two days.

In contrast, May brings much warmer weather, with temperatures starting at a mild 14°C (57°F) and soaring to a scorching maximum of 41°C (106°F), resulting in an average temperature of 29°C (84°F). The humidity drops significantly to 52%, and there is less rainfall, with only 7 mm (0.3 in) over a single day. For more detailed insights, you can check Matamoros weather in May.

December and June present stark contrasts in weather. In December, temperatures range from a chilly minimum of -1°C (30°F) to a maximum of 32°C (89°F), with an average of 16°C (61°F). The month experiences light precipitation of 12 mm (0.5 in) over just 2 days, accompanied by relatively high humidity at 84%. In contrast, June offers a much warmer climate, with minimum temperatures starting at 18°C (64°F) and soaring to highs of 42°C (107°F), averaging 29°C (85°F). While it has slightly more precipitation at 16 mm (0.6 in) over 3 days, the humidity is lower at 64%. For a detailed look at the June weather, check out Matamoros weather in June.

The weather in December and July presents a stark contrast in climate conditions. In December, temperatures range from a chilly minimum of -1°C (30°F) to a warm maximum of 32°C (89°F), with an average of 16°C (61°F). Precipitation is relatively low, averaging just 12 mm (0.5 in) over 2 days, accompanied by high humidity at 84%. In comparison, July experiences significantly warmer weather, with a minimum temperature of 19°C (67°F) and a maximum soaring to 39°C (102°F), averaging around 29°C (84°F). Precipitation increases to 42 mm (1.7 in) over 7 days, while humidity is lower at 73%. For a more detailed look at July weather patterns, check Matamoros weather in July.

December and August present contrasting weather patterns. In December, temperatures can dip as low as -1°C (30°F) at night, although the average daytime temperature is a mild 16°C (61°F), peaking at 32°C (89°F). The month sees minimal precipitation of 12 mm (0.5 in) over just two days, with high humidity at 84%. In contrast, August experiences much warmer conditions, with nighttime lows at 18°C (65°F) and an average temperature of 29°C (84°F), reaching highs of 38°C (100°F). It has slightly higher rainfall than December, totaling 20 mm (0.8 in) across three days, accompanied by lower humidity at 71%. For a detailed look at the weather conditions in August, you can check Matamoros weather in August.

December weather tends to be milder compared to September, featuring a minimum temperature of -1°C (30°F) and an average of 16°C (61°F), whereas September experiences much warmer conditions with a minimum of 17°C (63°F) and an average temperature of 26°C (79°F). Additionally, December has significantly less precipitation at 12 mm (0.5 in) over just 2 days, compared to September's 50 mm (2.0 in) across 7 days. Humidity levels remain fairly close, with December at 84% and September at 82%. For more details on September conditions, visit Matamoros weather in September.

In December, the weather is cooler with a minimum temperature of -1°C (30°F) and averages around 16°C (61°F), peaking at 32°C (89°F), while October boasts milder temperatures ranging from a minimum of 8°C (48°F) to an average of 24°C (75°F) and a high of 37°C (98°F). Precipitation also differs significantly; December sees only 12 mm (0.5 in) over just 2 days, compared to October's 31 mm (1.2 in) spread over 4 days. Humidity remains relatively consistent, with December at 84% and October slightly lower at 83%. For a more detailed look at October's weather, check out Matamoros weather in October.

In comparing the weather between December and November, both months experience a similar range of temperatures with minimums around -1°C (30°F). However, December sees a slightly cooler average temperature of 16°C (61°F) compared to November's 19°C (67°F), while maximum temperatures are also lower, reaching 32°C (89°F) in December versus 34°C (93°F) in November. Additionally, December has a bit more precipitation, with 12 mm (0.5 in) falling over two days, compared to November's 7 mm (0.3 in) over just one day. The humidity levels are relatively high in both months, at 84% in December and 82% in November. For more detailed information, you can check Matamoros weather in November.

Compare Matamoros's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Matamoros

As December rolls in, Matamoros experiences a distinct shift in weather compared to the hotter months, with a comfortable average temperature that invites outdoor activities without the oppressive heat. The refreshing coolness can be perfect for exploring the vibrant local culture. While occasional rain falls, total precipitation remains low, making it a relatively dry month. The increased humidity, however, lingers in the air, reminding you of the region's warm, subtropical essence. For those curious about how this aligns with the year-round climate, dive deeper into the full details at Matamoros Climate.