July Weather in Monterrey, Mexico

Last updated: April 22, 2025

In July, Monterrey, Mexico experiences warm temperatures with maximums soaring to 37°C (99°F) and an average around 27°C (81°F), providing a vibrant summer atmosphere. Nights cool down slightly, reaching a minimum of 18°C (65°F). While the month is generally hot, it also brings a few refreshing showers, accumulating 49 mm (1.9 in) of precipitation over approximately 8 days, which adds a touch of humidity at 73%. This combination of warmth and occasional rain makes July an intriguing time to experience Monterrey's dynamic climate.

July Temperature in Monterrey

In Monterrey, Mexico, July signifies a peak in summer warmth, with temperatures reflecting a delightful yet intense heat. The month opens with a minimum temperature of 18°C (65°F), gradually rising to a maximum of 37°C (99°F). The average temperature settles around 27°C (81°F), providing a balmy atmosphere perfect for outdoor activities. Compared to the preceding months, July sees a slight increase in nightly lows, indicating warmer summer nights, while daytime highs remain consistent with the heat wave that begins in May. This trend of rising temperatures underscores Monterrey's reputation as a hot summer destination, where the sun-kissed days are perfect for exploring the vibrant local culture and stunning landscapes.

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.
JanFebMarAprMayJunJulAugSepOctNovDec586570778283808176736660
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 significant surge in precipitation, with 49 mm (1.9 in) falling over an average of 8 days. This marks a notable increase from the preceding months, particularly compared to June’s 24 mm and hints at the onset of the region's wetter summer season. The rainfall in July not only contributes to the lushness of the landscape but also highlights a shift towards more frequent rainy days, as precipitation starts to pick up significantly in the months that follow. With a steady climb culminating in September’s peak of 61 mm, July serves as a pivotal point in Monterrey's annual precipitation pattern, setting the stage for a vibrant late summer.

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.
JanFebMarAprMayJunJulAugSepOctNovDec669372449326137613
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Monterrey

In Monterrey, Mexico, July marks a noticeable rise in humidity, reaching 73%, a peak for the summer months. This uptick follows a gradual increase from June's 64%, signaling the transition into a more tropical climate as the region prepares for the sweltering late summer heat. Interestingly, this July humidity reflects a broader trend upward, with levels consistently climbing from April's 48% and culminating in a notably humid September and October, where conditions soar above 80%. As the year progresses, the city experiences a shift from drier beginnings to more humid conditions, underscoring the dynamic climate of Monterrey.

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

July UV Index in Monterrey

In July, Monterrey, Mexico, continues to experience an extreme UV Index of 13, sustaining the intensity seen in previous months. With a notably short burn time of just 10 minutes, the summer sun demands heightened caution for those outdoors. This consistency in UV levels underscores the importance of effective sun protection during this peak season, as patterns from earlier months show little variation, maintaining the theme of extreme exposure throughout the summer. As the month unfolds, it’s crucial to stay informed about UV conditions to ensure safety while enjoying the vibrant outdoor life that Monterrey has to offer. For detailed insights, check the full report on 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.
JanFebMarAprMayJunJulAugSepOctNovDec710121413131313131187
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 shines brightly in Monterrey, Mexico, boasting an impressive 357 hours of sunlight, making it the sunniest month of the year. This warmth reflects a steady increase in daylight as the city transitions from the chill of winter; January starts with just 217 hours and gradually builds up through the spring. As summer unfolds, the sunshine peaks in July, only to slightly decline in August with 344 hours. This sunny trend showcases Monterrey's vibrant summer, where the longest days invite residents and visitors alike to enjoy outdoor activities under the bright skies, setting the stage for a lively atmosphere and a rich tapestry of cultural experiences.

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.
JanFebMarAprMayJunJulAugSepOctNovDec217h260h309h323h353h350h357h344h294h285h269h271h
Data source: Monterrey July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Monterrey During July

July in Monterrey, Mexico, brings a noticeable dip in sunny weather, with the chance of sunshine falling to 51%. This marks a significant drop compared to the peak months of May, which sees a vibrant 76% probability of clear skies. As summer progresses, the likelihood of sunny days continues to decline, with August trailing closely at 49%. This trend suggests that those planning outdoor activities in July may want to prepare for a mix of both sun and potential rain, contrasting sharply with the sunnier beginnings of the year. Despite the decrease, Monterrey still enjoys plenty of bright days, but the midsummer month definitely signals the potential for more variable weather.

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.
JanFebMarAprMayJunJulAugSepOctNovDec71%69%63%69%76%63%51%49%52%68%65%59%
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 44m11h 17m12h 1m12h 46m13h 23m13h 41m13h 31m12h 58m12h 15m11h 31m10h 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 July winds tell a story of consistency amidst summer warmth. With an average wind speed of 1.8 m/s (4 mph), July mirrors the gentle breezes of January and August, showcasing a subtle dip from June’s more invigorating 2.6 m/s (6 mph). This seasonal pattern highlights a trend where summer months see relatively lower wind speeds compared to the spring’s fresh gusts. Interestingly, the winds trend downward as the year progresses, with both November and December recording some of the calmest days. As the summer's heat lingers, the mild winds offer a refreshing escape, inviting residents and visitors alike to enjoy the sultry weather with a hint of ease.

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.
JanFebMarAprMayJunJulAugSepOctNovDec1.81.92.42.32.32.61.8 m/s1.92.11.91.71.6
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 and January present stark contrasts in weather. July boasts temperatures ranging from a mild 18°C (65°F) at night to a scorching maximum of 37°C (99°F) during the day, with an average temperature of 27°C (81°F) and a relatively high humidity level of 73%. Conversely, January has much cooler temperatures, with a minimum of -1°C (30°F) and a maximum reaching 30°C (86°F), yielding an average temperature of 15°C (59°F). Additionally, January is significantly drier, with only 6 mm (0.2 in) of precipitation spread over no rainy days. For a more detailed look at the weather in January, you can visit Monterrey weather in January.

The weather in July is notably warmer than in February, with average temperatures reaching around 27°C (81°F) compared to February's milder average of 18°C (65°F). July experiences higher maximum temperatures, soaring up to 37°C (99°F), while February peaks at a comfortable 35°C (96°F). Additionally, July sees more precipitation, averaging 49 mm (1.9 in) over approximately 8 days, whereas February is quite dry, with only 6 mm (0.2 in) falling over just 1 day. The humidity is also higher in July at 73% compared to February's 62%, making July feel more tropical. For a detailed look at February's weather, you can check out Monterrey weather in February.

In comparing the weather of July and March, it’s clear that the two months present quite different climates. July experiences significantly warmer temperatures, with an average of 27°C (81°F) and maximums reaching up to 37°C (99°F), while March has milder conditions, averaging 21°C (71°F) with highs of 38°C (101°F). The humidity in July is notably higher at 73%, contributing to a more sticky and uncomfortable feel, whereas March enjoys a more comfortable 53% humidity. Additionally, July sees more precipitation with 49 mm (1.9 in) over approximately 8 days compared to just 9 mm (0.3 in) of rain on a single day in March. For more detailed insights, you can check Monterrey weather in March.

July and April exhibit notable differences in weather characteristics. In July, temperatures range from a minimum of 18°C (65°F) to a maximum of 37°C (99°F), with an average of 27°C (81°F) and a higher humidity level of 73%. This month also experiences more frequent rainfall, with precipitation occurring on 8 days and totaling 49 mm (1.9 in). In contrast, April enjoys milder temperatures, with a minimum of 9°C (49°F) and an average of 25°C (77°F), reaching the same maximum of 37°C (99°F) as July. The humidity is lower at 48%, and April typically sees much less rain, with only 3 mm (0.1 in) of precipitation over just 1 day. For more detailed information, you can check Monterrey weather in April.

When comparing the weather in July and May, July tends to be warmer but also more humid. In July, the average temperature is around 27°C (81°F), with minimums of 18°C (65°F) and maximums soaring up to 37°C (99°F). Precipitation during this month is notable, with 49 mm (1.9 in) falling over 8 days, resulting in a humidity level of 73%. In contrast, May boasts an average temperature of 28°C (82°F), with even higher maximums reaching 40°C (104°F) but cooler minimums of 13°C (56°F). May experiences significantly less rainfall, with only 7 mm (0.3 in) recorded over just 1 day, leading to a lower humidity level of 52%. For more detailed information on the weather patterns in May, you can visit Monterrey weather in May.

In comparing the weather of July and June, July presents milder minimum temperatures, ranging from 18°C (65°F), in contrast to June's lower minimum of 15°C (59°F). While July has a slightly cooler average temperature of 27°C (81°F) compared to June's 28°C (83°F), it features higher maximum temperatures, reaching up to 37°C (99°F) against June's peak of 40°C (104°F). Additionally, July experiences more precipitation at 49 mm (1.9 in) over 8 days, compared to June's 24 mm (0.9 in) over just 4 days, along with a higher humidity level of 73% in July versus 64% in June. For more details on June's weather patterns, check out Monterrey weather in June.

In comparing the weather of July and August, we see some notable differences despite their similar average temperatures. July generally experiences higher temperatures, with a minimum of 18°C and a maximum of 37°C, whereas August has a slightly lower range, with a minimum of 16°C and a maximum of 36°C. Precipitation also decreases in August, with only 32 mm falling over 5 days compared to July's 49 mm over 8 days. Additionally, humidity levels are marginally lower in August, sitting at 71% compared to July's 73%. For more detailed insights, you can check Monterrey weather in August.

In July, temperatures in Monterrey typically range from a minimum of 18°C (65°F) to an average of 27°C (81°F), peaking at a maximum of 37°C (99°F). With an average precipitation of 49 mm (1.9 in) over about 8 days, the humidity levels hover around 73%. In contrast, September sees a slight drop in average temperature to 25°C (76°F), while still reaching the same maximum of 37°C (99°F). However, it experiences increased precipitation at 61 mm (2.4 in) over 9 days, accompanied by higher humidity levels at 82%. Thus, while both months can be quite warm, September tends to be wetter and more humid. For more details on the weather in September, check this link: Monterrey weather in September.

In July, temperatures in Monterrey are considerably warm, with averages around 27°C (81°F) and peaks reaching as high as 37°C (99°F). The humidity is notably high at 73%, and the month experiences approximately 49 mm (1.9 in) of rainfall over 8 days. In contrast, October brings a cooler climate, with average temperatures dropping to 23°C (73°F) and maximums reaching 36°C (97°F). The humidity increases slightly to 83%, and precipitation in October is lower at 37 mm (1.4 in) spread over just 5 days. For more specific information on the weather in October, you can check this link: Monterrey weather in October.

In July, the weather is characterized by warm temperatures, with a minimum of 18°C (65°F) and an average of 27°C (81°F), peaking at a high of 37°C (99°F). This month experiences greater humidity at 73% and sees about 49 mm (1.9 in) of precipitation spread over 8 days. In contrast, November brings a significant shift, with temperatures ranging from a chilly -2°C (28°F) at night to a comfortable average of 19°C (66°F), and a maximum of 33°C (91°F). The precipitation decreases dramatically to just 6 mm (0.2 in) and occurs on only 1 day, while humidity slightly increases to 82%. For more details about the weather in November, you can visit Monterrey weather in November.

In July, Monterrey experiences warm temperatures with a minimum of 18°C (65°F) and an average of 27°C (81°F), reaching highs of up to 37°C (99°F). The month is fairly humid, averaging 73%, with 49 mm (1.9 in) of rain over about 8 days. In contrast, December brings a much cooler climate with temperatures ranging from a minimum of -2°C (28°F) to an average of 15°C (60°F), and a maximum of 30°C (87°F). This month sees significantly less precipitation, only 13 mm (0.5 in), and rain occurs on just 2 days, though the humidity is higher at 84%. For more detailed insights, 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 settles over Monterrey, the city experiences a notable shift in weather dynamics compared to other months. With summer temperatures peaking at around 37°C (99°F), days are characterized by a sweltering heat that contrasts with the milder conditions of spring and fall. The average temperature hovers around a balmy 27°C (81°F), accompanied by a higher humidity level of 73%, which intensifies the sensation of heat. July also introduces a slightly increased chance of rainfall, with sporadic precipitation adding up to 49 mm (1.9 in) across about 8 days. This month, therefore, marks a vibrant mix of sun-soaked days and occasional cooling showers, setting it apart from the relatively dry and cooler periods that precede and follow. For more insights, check out Monterrey Climate.