July Weather in Monterrey, Mexico

Last updated: April 22, 2025

In Monterrey, Mexico, July is characterized by sweltering temperatures, with daytime highs reaching up to 38°C (100°F) and an average of 28°C (82°F). The nights provide some relief, dropping to a comfortable 20°C (68°F). While the month sees 71 mm (2.8 in) of precipitation spread across 6 days, humidity levels remain moderate at 57%, contributing to the overall warmth. Prepare for a blend of intense sunshine and occasional summer showers as you experience the vibrant charm of Monterrey in July.

July Temperature in Monterrey

In Monterrey, Mexico, July marks the height of summer, where temperatures comfortably warm up to an average of 28°C (82°F). The month kicks off with a minimum temperature of 20°C (68°F) and can soar to a sizzling maximum of 38°C (100°F). This follows a noticeable trend throughout the warmer months, with June paving the way for July's heat, as temperatures stay relatively high even into August. With July's temperatures consistently reaching their peak, residents and visitors alike can expect a sun-soaked month, perfect for enjoying outdoor activities, while also staying hydrated and cool under the sun's rays.

July Weather in Monterrey: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Monterrey, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec576268737881828378726460
Data source: Temperature data for Monterrey 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.

July Precipitation in Monterrey

In July, Monterrey experiences a notable surge in precipitation, with an average of 71 mm (2.8 in) accumulating over 6 days. This marks a continuation of the trend observed in the preceding months, where rainfall steadily increased from 28 mm (1.1 in) in January to 72 mm (2.8 in) in May. The summer heat seems to bring more moisture, making July one of the wettest months of the year, following closely behind September. Interestingly, despite the relatively high precipitation in July, it is overshadowed by the dramatic rainfall that arrives in September, which can exceed 100 mm (4.1 in). This pattern of rising and falling precipitation clearly highlights the seasonal variability that characterizes Monterrey's climate, where summer storms play a significant role in replenishing the region's arid environment.

July Precipitation Trends in Monterrey

The chart displays monthly precipitation patterns in Monterrey, with values for each month alongside July's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec292036487256719104523226
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Monterrey

As summer peaks in Monterrey, Mexico, July brings a refreshing dip in humidity, dropping to 57%—the lowest level of the year. This reduction contrasts sharply with the high humidity levels earlier in the year, which hover around 75% in January and gradually decrease until June. The following months show a slight uptick in August at 58%, but the overall trend indicates a welcome reprieve for locals as they enjoy the warm, drier air of summer. Moving into the fall, humidity levels rise again, reaching 72% in September, reminding us of the city's characteristic fluctuations. These trends not only define the climate but also shape the summer experiences of its residents and visitors alike.

July Average Humidity in Monterrey

This chart illustrates the average monthly humidity levels in Monterrey, with July's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how July's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec75%70%65%59%66%71%57%58%73%76%81%80%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Monterrey

In July, Monterrey, Mexico experiences a consistently high UV Index of 13, indicating an extreme exposure category that requires caution. This peak is characteristic of the summer months, where the burn time is a mere 10 minutes—a striking reminder of the intensity of the sun's rays during this period. As we transition from June's equally extreme levels, it's clear that this trend of heightened UV exposure persists into the later summer months, positioning July as one of the most critical times for sun safety. Following July, August and September also maintain elevated UV indices, emphasizing the need for protective measures. To learn more about the UV Index in Monterrey and plan your sun exposure accordingly, visit Monterrey UV Index.

Maximum UV Index Levels in Monterrey for July

The chart shows the monthly maximum UV Index (UVI) for Monterrey in July, 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.
JanFebMarAprMayJunJulAugSepOctNovDec79111313131312121186
Data source: Monterrey July 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.

July Sunshine in Monterrey

July in Monterrey, Mexico, shines brightly with 339 hours of sunlight, positioning it as a peak summer month following the sun-soaked June, which boasts 342 hours. This sun-drenched environment signals the tail end of a warm season, setting the stage for August to take the lead with 346 hours of brilliant light. As the year progresses, the sun's embrace gradually wanes, transitioning from the vibrant extremes of summer to the softer hues of autumn, with September showing a notable dip to 283 hours. This pattern highlights not only the abundance of sunlight in the summer months but also hints at a gradual retreat as the year moves towards its close, creating a captivating rhythm of light throughout Monterrey's seasons.

Monthly Sunshine Duration in Monterrey: July Highlighted

The July sunshine duration represents the total number of hours Monterrey experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec208h255h294h303h336h342h339h346h283h293h265h267h
Data source: Monterrey July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Monterrey During July

In Monterrey, Mexico, the chance of enjoying sunny weather sees a notable dip in July, with a 45% likelihood, making it one of the less favorable months for sun-seekers. This decrease is significant compared to the higher percentages experienced in late spring and early summer, like June's 59% and August's 62%. Interestingly, July's sun probability marks a mid-year low, contrasting with the generally sunny disposition of other months, such as January and March, both hovering around 62%. As the summer progresses, the weather tends to shift, indicating that while July may bring some clouds, the surrounding months promise more sunlight and clearer skies.

Percentage of Sunny Days in July in Monterrey

The chart illustrates the percentage of sunny days in Monterrey throughout the year, with July 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 Monterrey experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec62%59%62%56%55%59%45%62%58%61%59%58%
Data source: Monterrey July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Monterrey in July

In Monterrey, Mexico, the month of July shines brightly with 13 hours of daylight, aligning perfectly with the peak of summer. This trend of extended daylight began in May and remains consistent through June and July, providing ample time for outdoor activities and exploration. As the year progresses, daylight starts to gradually decrease, dropping to 12 hours in August and continuing to diminish throughout the fall months. This seasonal rhythm highlights Monterrey's vibrant summer vitality, where the long, sun-soaked days invite both locals and visitors to relish in the natural beauty and warmth before the shorter daylight hours of autumn set in.

Average Daylight Hours in Monterrey for July

The chart illustrates the variation in daylight duration in Monterrey throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 43m11h 17m12h 1m12h 46m13h 24m13h 42m13h 32m12h 58m12h 15m11h 30m10h 52m10h 33m
Data source: Monterrey daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Monterrey

In Monterrey, Mexico, the winds in July settle at an average speed of 2.0 m/s (5 mph), mirroring the gentle breezes typically felt earlier in the year. This month marks a slight dip from the preceding months of May and June, which hover at around 2.6 m/s and 2.2 m/s respectively. As the summer progresses, wind speeds remain somewhat consistent, falling to their lowest in the later months, October and November, before tapering off in the winter. Overall, while July's breezes may feel softer, they contribute to the warm summer atmosphere, offering a refreshing respite amidst the heat.

Average July Wind Speed in Monterrey

The chart displays monthly wind speed patterns in Monterrey, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.02.32.62.52.62.22.0 m/s2.52.01.91.91.7
Data source: Monterrey July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Monterrey Compares to Other Months

The weather in Monterrey changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of July'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 Monterrey, July is characterized by warm to hot weather, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 38°C (100°F) and an average of 28°C (82°F). Humidity levels are moderate at 57%, and the region experiences about 71 mm (2.8 in) of precipitation over approximately six days. In contrast, January presents a stark difference, with much cooler temperatures, where the minimum drops to -2°C (29°F) and the average hovers around 14°C (58°F). The maximum temperature can reach up to 33°C (91°F), but the overall climate remains chilly compared to July. January also sees lower precipitation at 28 mm (1.1 in) over just four days and higher humidity at 75%. This seasonal variation offers a diverse climate throughout the year. For more details on January weather in Monterrey, check Monterrey weather in January.

July and February in Monterrey present strikingly different weather patterns. In July, temperatures typically soar, with a minimum of 20°C (68°F) and an average high reaching 38°C (100°F). The month experiences significant humidity at 57%, coupled with about 71 mm (2.8 in) of precipitation over six days. In contrast, February showcases cooler weather, with temperatures ranging from a chilly -3°C (27°F) to a warm maximum of 35°C (95°F), averaging 16°C (62°F). Although February has a lower precipitation level of 20 mm (0.8 in) across four days, the humidity is slightly higher at 70%. For more detailed information, you can check Monterrey weather in February.

When comparing the weather between March and July, it's clear that July is significantly warmer, with an average temperature of 28°C (82°F) compared to March's average of 20°C (69°F). The maximum temperature in July can reach up to 38°C (100°F), while in March, it peaks at 35°C (95°F). Additionally, July experiences higher humidity at 57%, although March has a slightly higher humidity level of 65%. Precipitation is also more abundant in July, totaling 71 mm (2.8 in) over 6 days, compared to March, which sees 36 mm (1.4 in) over 7 days. For more detailed information, you can visit Monterrey weather in March.

In comparing the weather of July and April, we observe a significant contrast in temperatures and precipitation patterns. July typically exhibits warmer conditions, with average temperatures reaching 28°C (82°F) and maximums soaring to 38°C (100°F). In contrast, April, while still warm, has a lower average temperature of 23°C (73°F) and a similar maximum of 39°C (102°F) but begins at a much cooler minimum of 7°C (44°F). Additionally, July witnesses slightly higher precipitation levels of 71 mm (2.8 in) over 6 days, compared to April's 48 mm (1.9 in) across 7 days. Both months have comparable humidity levels, hovering around 57% for July and 59% for April. For more detailed information, you can check Monterrey weather in April.

In comparing the weather between July and May, July typically offers warmer average temperatures, with a minimum of 20°C (68°F) and an average of 28°C (82°F), while May features a slightly cooler minimum of 15°C (59°F) and an average of 26°C (79°F). Interestingly, both months experience relatively high maximum temperatures, but May can reach a peak of 40°C (105°F), compared to July's 38°C (100°F). Precipitation levels are quite similar, with July receiving 71 mm (2.8 in) over 6 days, just slightly less than May's 72 mm (2.8 in) over 10 days. Additionally, humidity is somewhat higher in May at 66% compared to July's 57%, making May feel a bit more oppressive despite its comparable rainfall. For more detailed information about May weather, you can visit Monterrey weather in May.

In comparing the weather of July and June, July tends to be slightly warmer with an average temperature of 28°C (82°F) compared to June's 27°C (81°F). However, June experiences a higher maximum temperature at 39°C (103°F) versus July's peak of 38°C (100°F). Precipitation levels are slightly higher in July at 71 mm (2.8 in) over 6 days, while June sees 56 mm (2.2 in) over 7 days. Additionally, June has higher humidity at 71%, while July's humidity is at 57%. For more details about June, you can visit Monterrey weather in June.

In comparing the weather between July and August, both months showcase similar temperature ranges, with minimums around 20°C (68°F), average highs of 28°C (82°F for July and 83°F for August), and maximums peaking at 38°C (100°F). However, a notable difference lies in the precipitation levels: July experiences significantly more rainfall with 71 mm (2.8 in) over 6 days, while August sees a stark decrease to just 9 mm (0.3 in) across only 2 days. The humidity is slightly higher in August at 58%, compared to July's 57%. For more detailed information on August's climate, you can visit Monterrey weather in August.

In July, the weather is typically hot, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 38°C (100°F), and an average of 28°C (82°F). This month sees about 71 mm (2.8 in) of precipitation over about 6 days, accompanied by a moderate humidity level of 57%. In contrast, September offers slightly cooler temperatures, with a minimum of 16°C (61°F), an average of 26°C (78°F), and a maximum of 37°C (99°F). However, September is wetter, receiving 104 mm (4.1 in) of precipitation over about 10 days and higher humidity at 72%. This shift in weather patterns reflects the transition from summer to fall. For more details, check out the Monterrey weather in September.

In July, temperatures soar with a minimum of 20°C (68°F), an average of 28°C (82°F), and a maximum reaching up to 38°C (100°F), making it the hottest month of the year. However, with 71 mm (2.8 in) of precipitation spread over six days and a humidity level of 57%, the heat can feel quite oppressive at times. In contrast, October experiences milder temperatures, with a minimum of 7°C (45°F), an average of 22°C (72°F), and a maximum of 36°C (97°F). Although October witnesses slightly less precipitation at 52 mm (2.0 in) over eight days, the humidity rises to 76%, creating a different kind of comfort. For more detailed insights, you can check Monterrey weather in October.

When comparing the weather in July and November, there's a stark contrast in temperatures and general climate. In July, temperatures range from a comfortable minimum of 20°C (68°F) to a scorching maximum of 38°C (100°F), with an average of around 28°C (82°F). The month experiences some rainfall, accumulating 71 mm (2.8 in) over 6 days, and humidity levels hover at 57%. In contrast, November boasts lower temperatures, where the minimum dips to 0°C (32°F) and the average sits at a cooler 18°C (65°F), peaking at 32°C (90°F). This month is characterized by significantly less precipitation, totaling just 31 mm (1.2 in) over the same 6 days, but with higher humidity levels reaching 81%. For more detailed insights into the weather, check out Monterrey weather in November.

In comparing July and December weather, July is characterized by significantly higher temperatures, with a minimum of 20°C (68°F) and an average of 28°C (82°F), peaking at a scorching 38°C (100°F). The month also experiences moderate precipitation of 71 mm (2.8 in) over about six days, coupled with a humidity level of 57%. In contrast, December sees much cooler temperatures, with a minimum of 1°C (34°F) and an average of 16°C (61°F), reaching a maximum of 33°C (92°F). Precipitation drops to 26 mm (1.0 in) across four days, but humidity increases to a notable 80%. For more information, you can explore Monterrey weather in December.

Compare Monterrey's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Monterrey

As July rolls in, Monterrey experiences its warmest temperatures of the year, with the mercury often soaring to a scorching 38°C (100°F). This month's high averages feel notably more intense compared to the preceding months, making hydration and sun protection essential for outdoor activities. While the average temperature stands at a pleasant 28°C (82°F), the nights offer a respite with cooler evenings around 20°C (68°F). July also marks a shift in weather, as brief but regular rain showers—spanning about 6 days and totaling 71 mm (2.8 in)—add a refreshing twist amidst the heat. With humidity at 57%, the air can feel quite sultry, enhancing the summer experience in this vibrant city. For a deeper dive into what to expect year-round, check out Monterrey Climate.