May Weather in Matamoros, Mexico

Last updated: April 22, 2025

In May, Matamoros, Mexico experiences a warm and dry climate, with maximum temperatures soaring up to 41°C (106°F) and an average of 29°C (84°F). The nights offer a cooler reprieve, dipping to a minimum of 14°C (57°F). Occasional rainfall brings a mere 7 mm (0.3 in), typically over just one day throughout the month. With a humidity level of 52%, visitors can expect a sunny atmosphere perfect for outdoor activities while staying adequately hydrated.

May Temperature in Matamoros

In May, Matamoros, Mexico, showcases a significant warm-up as spring transitions into summer. With temperatures ranging from a mild 14°C (57°F) at night to a scorching 41°C (106°F) during the day, the city experiences an average of 29°C (84°F), making it one of the hottest months of the year. This upward trend reflects the gradual increase in warmth observed since January, where temperatures start from a nippy -1°C (31°F). As May rolls in, locals and visitors alike can expect extended sunny days, perfect for outdoor activities or cooling off by the Rio Grande. However, the rising heat signals that it’s time to stay hydrated and seek shade during peak hours, as the summer's intensity begins to take hold.

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

The chart illustrates May 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.

May Precipitation in Matamoros

In Matamoros, Mexico, May marks a notable transition in precipitation as the city experiences an uptick, receiving 7 mm (0.3 in) of rain over the course of one day. This amount matches the relatively low precipitation of the previous months, yet hints at the impending shift towards the wetter summer months. Following May, a clear trend emerges as June's rainfall sharply rises to 16 mm (0.6 in) and July brings a significant increase to 42 mm (1.7 in), indicating that the region is on the cusp of a wetter season. While May may not be the rainiest month, it serves as a pivotal point in the annual cycle, foreshadowing a dramatic surge in rainfall that characterizes the late spring and summer months ahead.

May Precipitation Trends in Matamoros

The chart displays monthly precipitation patterns in Matamoros, with values for each month alongside May's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec567271642205031712
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Matamoros

In Matamoros, Mexico, the humidity levels undergo a noticeable transition as the year progresses. Starting at a relatively high 70% in January, humidity decreases steadily through the spring months, reaching a low of 48% in April. However, as May arrives, humidity slightly rises to 52%, indicating an emerging pattern of increased moisture as summer approaches. This trend continues into June with a significant jump to 64%, and further escalation through the summer months of July and August, where humidity peaks at 73% and 71% respectively. Following this peak, humidity remains high through the fall, averaging around 82%-84%, which reflects the region's tropical climate. This cyclical pattern highlights how Matamoros transitions from dry to humid, dictating the rhythm of life throughout the year.

May Average Humidity in Matamoros

This chart illustrates the average monthly humidity levels in Matamoros, with May's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how May's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec70%62%53%48%52%64%73%71%82%83%82%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Matamoros

In Matamoros, Mexico, May marks the continuation of extreme UV Index levels, maintaining a high reading of 13—the same intensity seen in April and a trend carried through the summer months. With a burn time of just 10 minutes, it’s crucial for residents and visitors to be mindful of sun exposure during this time frame. This pattern highlights a notable spike in solar radiation as spring transitions into summer, urging everyone to take necessary precautions to protect their skin. As the UV Index remains consistently high throughout the following months, planning outdoor activities with care is essential. For more detailed information, check out the Matamoros UV Index.

Maximum UV Index Levels in Matamoros for May

The chart shows the monthly maximum UV Index (UVI) for Matamoros in May, 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 May 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.

May Sunshine in Matamoros

May heralds a glorious transition into the sun-soaked warmth of Matamoros, Mexico, as the month boasts an impressive 353 hours of sunshine. Building upon the earlier months, there’s a steady ascent from 219 hours in January to this vibrant peak, showcasing a consistent trend of increasing daylight. With each passing month, the anticipation of summer grows, highlighted by April's 324 hours, providing a clear indication of the approach of sunnier days. Following May, June and July maintain this sunshine bounty, ensuring that Matamoros remains a haven for those seeking to bask in bright rays. As the year progresses, the gradual decline in daylight hours from August onward reminds us to savor the sun-drenched days of spring and early summer while they last.

Monthly Sunshine Duration in Matamoros: May Highlighted

The May sunshine duration represents the total number of hours Matamoros experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec219h262h310h324h353h350h356h343h298h291h272h272h
Data source: Matamoros May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Matamoros During May

As spring transitions into summer, **May in Matamoros, Mexico, boasts an impressive 76% chance of sunny weather, making it one of the sunniest months of the year. This marks a noticeable increase from the slightly lower percentages observed in March and April, each hovering around the mid-60s and low 70s. Following May, however, the likelihood of sunshine takes a dip in the sweltering months of June and July, where it drops to 66% and 52%, respectively. Overall, May stands out as a prime time for enjoying the warm, radiant days that characterize this vibrant region, inviting both locals and visitors to revel in its sunny disposition before the summer heat sets in.

Percentage of Sunny Days in May in Matamoros

The chart illustrates the percentage of sunny days in Matamoros throughout the year, with May 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 May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Matamoros in May

In Matamoros, Mexico, the progression of daylight duration throughout the year reveals a captivating trend that mirrors the rhythm of the seasons. Starting in January with just 10 hours of daylight, the days gradually lengthen, reaching a peak of 13 hours from May through July. This increase in daylight not only adds a vibrant touch to the spring and summer months but also creates an ideal backdrop for outdoor activities and community gatherings. As August approaches, daylight begins to wane slightly, tapering off to 12 hours and then down to 10 hours as the year draws to a close in November and December. This natural ebb and flow of daylight offers residents and visitors alike a diverse range of experiences throughout the year, from the sun-drenched days of summer to the cozy, shorter days of winter.

Average Daylight Hours in Matamoros for May

The chart illustrates the variation in daylight duration in Matamoros throughout the year, with May 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.

May Winds in Matamoros

As May rolls into Matamoros, Mexico, residents can enjoy a slight uptick in the average wind speed, which reaches 3.0 m/s (7 mph), marking a gentle increase from the previous spring months. This trend hints at the approach of summer, as the winds gradually strengthen from 2.9 m/s (6 mph) in April. Interestingly, while January and February experience a calm 2.2 m/s (5 mph) breeze, the winds begin to pick up steadily, showcasing a seasonal shift that continues into June when speeds peak at 3.2 m/s (7 mph). Thus, May not only offers a refreshing breeze but also signals the transition toward the more dynamic and warmer months ahead.

Average May Wind Speed in Matamoros

The chart displays monthly wind speed patterns in Matamoros, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.22.92.93.0 m/s3.22.42.52.62.32.01.9
Data source: Matamoros May wind data, generated using information from the Copernicus Climate Change Service.

How May 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 May'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.

May and January present strikingly different weather conditions. In May, temperatures soar with a minimum of 14°C (57°F) and a scorching average of 29°C (84°F), reaching highs of 41°C (106°F), while only experiencing minimal precipitation of 7 mm (0.3 in) over just one day. In contrast, January offers a much cooler climate, with temperatures dropping to a minimum of -1°C (31°F) and an average of 15°C (60°F), peaking at 31°C (88°F). Although January has slightly lower precipitation at 5 mm (0.2 in), its higher humidity of 70% creates a distinctly different feel. For more details, check out Matamoros weather in January.

May and February exhibit distinct weather patterns that highlight the transition from early spring to late spring. In May, temperatures soar with a minimum of 14°C (57°F) and an average of 29°C (84°F), reaching a maximum of 41°C (106°F), while February presents a much cooler climate with temperatures ranging from a minimum of 0°C (32°F) to an average of 19°C (66°F) and a maximum of 36°C (97°F). Precipitation is slightly higher in May at 7 mm (0.3 in) over just one day, compared to February’s 6 mm (0.2 in) with no rainy days, indicating a drier experience. Moreover, May boasts lower humidity at 52%, whereas February's humidity is higher at 62%, contributing to the cool and crisp feel of winter. For more details on February weather, you can visit Matamoros weather in February.

In comparing the weather of May and March, May tends to be significantly warmer, with average temperatures reaching up to 29°C (84°F) and maximums soaring to 41°C (106°F). In contrast, March offers a cooler climate, with an average temperature of 22°C (72°F) and maximums around 39°C (102°F). Both months experience similar precipitation levels, recording about 7 mm (0.3 in) over just one day, but May's humidity slightly decreases to 52%, compared to March's 53%. For more detailed insights, you can check out Matamoros weather in March.

In comparing the weather between April and May, it’s clear that May tends to be hotter and more humid. May's average temperature reaches 29°C (84°F) with a maximum of 41°C (106°F), while April has a milder average of 26°C (78°F) and a maximum of 38°C (100°F). Additionally, May experiences a slight increase in humidity at 52%, compared to April’s 48%. While both months see minimal precipitation, April is notably drier with no recorded rain, whereas May has just 7 mm (0.3 in) over one day. For more detailed information on April's climate, you can visit Matamoros weather in April.

May and June present a transition in weather conditions, with both months experiencing warm temperatures. In May, temperatures range from a minimum of 14°C (57°F) to a comfortable average of 29°C (84°F), peaking at a maximum of 41°C (106°F). Precipitation is minimal, with only about 7 mm (0.3 in) over just 1 day, and humidity sits at 52%.

In contrast, June sees slightly elevated temperatures, with a minimum of 18°C (64°F) and an average of 29°C (85°F), reaching a maximum of 42°C (107°F). However, humidity increases to 64%, and precipitation also rises to 16 mm (0.6 in) over 3 days. This shift indicates that while both months are warm, June brings slightly more moisture and humidity to the environment. For more detailed information, check out Matamoros weather in June.

In May, the weather features a comfortable average temperature of 29°C (84°F), with highs reaching up to 41°C (106°F), while the evenings are relatively cooler with a minimum of 14°C (57°F). This month experiences minimal precipitation, only about 7 mm (0.3 in) over just one day, and a moderate humidity level of 52%.

In contrast, July also maintains an average temperature of 29°C (84°F) but shows slightly higher minimum temperatures at 19°C (67°F) and slightly lower maximum temperatures peaking at 39°C (102°F). However, July is significantly wetter, with about 42 mm (1.7 in) of precipitation spread over seven days, leading to a noticeable increase in humidity at 73%. For more information on July weather specifics, you can check Matamoros weather in July.

May and August display contrasting weather patterns despite having similar average temperatures. In May, temperatures can soar as high as 41°C (106°F), but the month typically experiences minimal precipitation, with only about 7 mm (0.3 in) over just one day and a humidity level of 52%. In contrast, August sees slightly cooler maximum temperatures at 38°C (100°F), but the humidity rises significantly to 71%. Additionally, August experiences more rainfall, totaling 20 mm (0.8 in) over three days. For further details, you can check out Matamoros weather in August.

In May, the weather tends to be hot and dry, with temperatures ranging from a minimum of 14°C (57°F) to a scorching maximum of 41°C (106°F) and only occasional light rain amounting to 7 mm (0.3 in) over just one day. The humidity is relatively low at 52%, making the heat somewhat bearable. In contrast, September experiences milder average temperatures, with a minimum of 17°C (63°F) and a maximum of 38°C (101°F), but it comes with significantly more humidity at 82% and a notable increase in precipitation—50 mm (2.0 in) over about seven days, which can lead to a wetter and more humid atmosphere. For more details on September weather, you can check out Matamoros weather in September.

May and October present contrasting weather patterns. In May, temperatures can soar to a maximum of 41°C (106°F), with an average of 29°C (84°F) and relatively low humidity at 52%. Precipitation is minimal, with only about 7 mm (0.3 in) falling on just one day. In contrast, October experiences cooler temperatures, ranging from a minimum of 8°C (48°F) to a maximum of 37°C (98°F), with an average of 24°C (75°F). The humidity significantly increases to 83%, accompanied by more rainfall totaling 31 mm (1.2 in) over four days. For a more detailed look at the October climate, you can visit Matamoros weather in October.

May and November present stark contrasts in weather. May boasts warm temperatures, ranging from a minimum of 14°C (57°F) to a blistering maximum of 41°C (106°F), with an average of 29°C (84°F). The month is relatively dry, receiving only 7 mm (0.3 in) of precipitation over just one day, and features a moderate humidity level of 52%. In contrast, November brings a notable drop in temperatures, with minimums sinking to -1°C (31°F) and a maximum of 34°C (93°F), resulting in a much cooler average of 19°C (67°F). Interestingly, November shares a similar precipitation level with May at 7 mm (0.3 in) for just one day, but the humidity is significantly higher at 82%. For a closer look at the weather specifics, check out Matamoros weather in November.

May and December present markedly different weather conditions. In May, temperatures soar, with averages around 29°C (84°F) and maximums reaching up to 41°C (106°F), making it a hot month with low precipitation of just 7 mm (0.3 in) over a single day. In contrast, December experiences much cooler temperatures, with an average of 16°C (61°F) and highs peaking at 32°C (89°F). This month sees slightly higher precipitation, totaling 12 mm (0.5 in) across two days, and significantly elevated humidity at 84%. For more detailed weather insights, check out Matamoros weather in December.

Compare Matamoros's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Matamoros

As May approaches in Matamoros, expect a significant shift in weather dynamics compared to previous months. The temperatures rise markedly, often reaching a sizzling 41°C (106°F) at their peak, making this a hotter month overall. While the average temperature settles comfortably around 29°C (84°F), the nights still provide a refreshing contrast with lows dropping to 14°C (57°F). Unlike the wetter months that precede it, May boasts minimal precipitation, typically only witnessing one rainy day and a scant 7 mm (0.3 in) of rain, keeping humidity at a manageable 52%. This combination creates an ideal atmosphere for outdoor activities and enjoying the vibrant spring season. For more insights on how Matamoros weather evolves throughout the year, visit Matamoros Climate.