July Weather in San Cristobal de las Casas, Mexico

Last updated: April 22, 2025

San Cristobal de las Casas experiences a subtropical climate in July, characterized by warm temperatures and significant rainfall. With maximum temperatures reaching 29°C (84°F) and an average of 20°C (69°F), the weather remains quite pleasant for outdoor activities. However, visitors should prepare for a wet month, as July sees 262 mm (10.3 in) of precipitation over approximately 20 rainy days. The high humidity level of 82% adds to the tropical feel, making it essential to embrace the local culture while staying equipped for the occasional shower.

July Temperature in San Cristobal de las Casas

In July, San Cristobal de las Casas experiences a delightful blend of warm and mild temperatures, making it an inviting destination during the summer months. The average temperature hovers around 20°C (69°F), offering a comfortable climate for exploring the charming streets and vibrant markets. Daily highs reach a pleasant 29°C (84°F), while nighttime lows dip to a cozy 13°C (56°F), ensuring that evenings remain refreshing. This consistent trend of moderate temperatures carries through from June, creating a wonderful opportunity to enjoy the lush landscapes and cultural experiences that the city has to offer. Overall, July's weather strikes a balance that makes outdoor activities particularly enjoyable, inviting both locals and travelers to embrace the summer atmosphere.

July Weather in San Cristobal de las Casas: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in San Cristobal de las Casas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec636668707068686868676564
Data source: Temperature data for San Cristobal de las Casas 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 San Cristobal de las Casas

In July, San Cristobal de las Casas experiences significant rainfall, with an impressive 262 mm (10.3 in) accumulated over 20 days of precipitation. This marks a continuation of the wet season, following a record-breaking June that recorded over 531 mm (20.9 in) and set the stage for July’s downpours. The frequency of rain this month is notable, maintaining a pattern that peaks in the summer, with April and May showing increases leading up to the mid-year deluge. As the region transitions into August, it's poised for even heavier rainfall, further solidifying the trend of July as a pivotal month in the rainy season, balancing the lush greenery with the rhythm of seasonal water.

July Precipitation Trends in San Cristobal de las Casas

The chart displays monthly precipitation patterns in San Cristobal de las Casas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec15612502555312623464482984723
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in San Cristobal de las Casas

July in San Cristobal de las Casas experiences a significant uptick in humidity, reaching 82%. This marks a notable rebound from the driest months of April and May, where humidity dipped to 59% and 64% respectively. As summer progresses, the moisture levels rise, foreshadowing the wetter conditions that dominate the city's late summer and fall months. Following July, August and September see humidity soar to 87%, indicating that the region is enveloped in a lush, tropical atmosphere as the rainy season takes hold. This trend highlights the city's dynamic climate, where the shift from a drier spring to a humid summer plays a vital role in the vibrant ecology of the area.

July Average Humidity in San Cristobal de las Casas

This chart illustrates the average monthly humidity levels in San Cristobal de las Casas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec83%76%66%59%64%69%82%87%87%88%88%88%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in San Cristobal de las Casas

July in San Cristobal de las Casas sees a consistent UV Index of 15, marking it as an extreme exposure category where the burn time is a swift 10 minutes. This month maintains the trend established since April, indicating a peak in solar intensity in the region's summer months. The preceding months show a gradual rise from 10 in January to the current high, while August and September slightly dip to 14, still categorized as extreme. As a visitor or resident, it's crucial to remain vigilant about sun safety during this period. For more detailed information, check out the San Cristobal de las Casas UV Index.

Maximum UV Index Levels in San Cristobal de las Casas for July

The chart shows the monthly maximum UV Index (UVI) for San Cristobal de las Casas 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.
JanFebMarAprMayJunJulAugSepOctNovDec10131415151515141413109
Data source: San Cristobal de las Casas 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 San Cristobal de las Casas

In San Cristobal de las Casas, July shines as the sunniest month of the year, boasting an impressive 322 hours of sunshine. This vibrant summer month stands out against a backdrop of fluctuating sunlight throughout the year, where March trails closely with 318 hours. As we transition from the lush greenery of June, with its 273 hours, July’s radiance brings a renewed energy that pairs beautifully with the town's lively atmosphere. Following July, the days remain bright in August and September, with 312 and 288 hours of sunshine, respectively. This consistent summer warmth transitions into a milder fall, highlighting a unique blend of seasonal changes that keep the charm of San Cristobal alive year-round.

Monthly Sunshine Duration in San Cristobal de las Casas: July Highlighted

The July sunshine duration represents the total number of hours San Cristobal de las Casas 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.
JanFebMarAprMayJunJulAugSepOctNovDec238h279h318h311h316h273h322h312h288h287h290h300h
Data source: San Cristobal de las Casas July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Cristobal de las Casas During July

In San Cristobal de las Casas, July offers a modest chance of sun, sitting at around 23%. This reflects a significant drop in sunny days compared to earlier months, particularly February's 76%, which indicates a shift towards the rainy season. As spring transitions to summer, the likelihood of sun decreases notably, peaking in February and then declining through the summer months, hitting its lowest in June at just 11%. This trend suggests that while July may bring occasional sunny breaks, visitors should anticipate more overcast and rainy conditions during this time.

Percentage of Sunny Days in July in San Cristobal de las Casas

The chart illustrates the percentage of sunny days in San Cristobal de las Casas 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 San Cristobal de las Casas experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec52%76%68%50%27%11%23%19%15%32%53%69%
Data source: San Cristobal de las Casas July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Cristobal de las Casas in July

In San Cristobal de las Casas, July sees a notable 12 hours of daylight, which reflects a consistent pattern as the year progresses. Following a gradual increase from 11 hours in January and February, the daylight duration peaks at 13 hours in June, before returning to 12 hours in both July and the subsequent months of August and September. This trend highlights a seasonally balanced climate, where summer brings ample sunlight, encouraging outdoor activities and exploring the vibrant landscapes. As the year moves toward fall, daylight begins to decrease yet remains relatively stable, showcasing the city's charming ambiance throughout the changing seasons.

Average Daylight Hours in San Cristobal de las Casas for July

The chart illustrates the variation in daylight duration in San Cristobal de las Casas throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 14m11h 35m12h 2m12h 31m12h 54m13h 6m12h 59m12h 39m12h 11m11h 43m11h 19m11h 7m
Data source: San Cristobal de las Casas daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in San Cristobal de las Casas

In July, the winds in San Cristobal de las Casas pick up slightly, with an average speed of 1.4 m/s (3 mph). This marks a gradual rise from the calmest month of June, which experienced notably less wind at 1.1 m/s (2 mph). As the summer progresses into July, the breeze provides a refreshing contrast to the warm temperatures, enhancing the city's vibrant cultural atmosphere. This slight uptick in wind speed reflects a broader trend of fluctuating breezes throughout the year, with January and February showcasing some of the fastest winds at 1.6 m/s (4 mph). Overall, July's gentle winds contribute to a pleasant and dynamic environment, perfectly complementing the allure of this beautiful Mexican town.

Average July Wind Speed in San Cristobal de las Casas

The chart displays monthly wind speed patterns in San Cristobal de las Casas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.81.71.61.31.11.4 m/s1.21.11.31.81.6
Data source: San Cristobal de las Casas July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in San Cristobal de las Casas Compares to Other Months

The weather in San Cristobal de las Casas 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 San Cristobal de las Casas and find detailed weather information for every month.

When comparing the weather in July and January, notable differences emerge, despite both months experiencing maximum temperatures that can reach up to 29°C (84°F). July is considerably wetter, accumulating 262 mm (10.3 in) of rain over 20 days, which results in high humidity levels of 82%. In contrast, January is much drier with only 15 mm (0.6 in) of precipitation over just 4 days, and a slightly lower average temperature of 17°C (63°F). Interestingly, January's humidity stands at 83%, making the difference in weather between the two months more pronounced. For more detailed insights, you can explore San Cristobal de las Casas weather in January.

In comparing the weather between July and February, July tends to be much wetter and more humid. July's average temperature is around 20°C (69°F), with maximums reaching up to 29°C (84°F) and notable precipitation of 262 mm (10.3 in) over 20 days. Conversely, February enjoys a more moderate climate with an average temperature of 19°C (66°F) and maximums climbing as high as 30°C (86°F), but it only receives a minimal 6 mm (0.2 in) of rainfall across just 1 day. Additionally, February has lower humidity at 76%, compared to July's 82%, making it feel more comfortable overall. For more details, check out San Cristobal de las Casas weather in February.

When comparing the weather in July and March, notable differences emerge. In March, temperatures range from a minimum of 10°C (50°F) to a maximum of 32°C (89°F), with an average of 20°C (69°F). The month experiences minimal rainfall with only 12 mm (0.5 in) over just 3 days, resulting in a lower humidity level of 66%. In contrast, July boasts a wider temperature range, with a minimum of 13°C (56°F) and a maximum of 29°C (84°F), while still maintaining the same average of 20°C (69°F). However, July is marked by significantly higher precipitation, accumulating 262 mm (10.3 in) over 20 days, leading to a much higher humidity level of 82%. For a detailed look at the conditions, check out San Cristobal de las Casas weather in March.

When comparing the weather in July and April, notable differences emerge. July tends to be cooler overall, with average temperatures ranging from a minimum of 13°C to a maximum of 29°C, while April boasts slightly warmer averages, showcasing temperatures between 10°C and 32°C. Precipitation also varies significantly, as July receives a substantial 262 mm over 20 days, resulting in a much wetter month compared to April's 50 mm over just 8 days. Additionally, humidity levels are higher in July at 82%, compared to April's more moderate 59%. For a detailed look into April's conditions, you can visit San Cristobal de las Casas weather in April.

July and May present contrasting weather experiences despite their similar minimum temperatures. In May, the average temperature reaches a pleasant 21°C (70°F) with maximums hitting 32°C (90°F), while July sees a slightly cooler average of 20°C (69°F) and maximums of 29°C (84°F). Both months receive substantial rainfall, with July experiencing 262 mm (10.3 in) over 20 days, slightly more than May’s 255 mm (10.1 in) spread across 22 days. Humidity also differs notably; May enjoys a more comfortable 64%, while July's humidity rises to a muggy 82%. For more detailed insights, check out San Cristobal de las Casas weather in May.

In comparing the weather of July and June, we notice some distinct differences despite similar average temperatures. July's minimum temperature is slightly warmer at 13°C (56°F), while June starts off a bit cooler at 14°C (57°F). Both months share a maximum temperature of 29°C (84°F) and an average temperature of around 20°C (68°F to 69°F). However, July experiences significantly less precipitation (262 mm or 10.3 in) compared to June, which sees a much higher total of 531 mm (20.9 in), spread over 28 rainy days versus 20 in July. Additionally, July has a higher humidity level at 82%, contrasting with June's 69%. For further details on June's weather patterns, check out San Cristobal de las Casas weather in June.

In comparing the weather between July and August, both months exhibit similar temperature patterns, with minimums around 13°C (56°F), average temperatures of approximately 20°C (68°F in August and 69°F in July), and maximums reaching 29°C (84°F). However, August tends to be wetter, receiving 346 mm (13.6 in) of rainfall over 23 days, compared to July's 262 mm (10.3 in) across 20 days. Additionally, humidity levels rise in August to 87%, up from July's 82%, contributing to a slightly more humid atmosphere. For more detailed insights, you can check the San Cristobal de las Casas weather in August.

In comparing the weather between July and September, we see that both months have similar average temperatures, with July averaging 20°C (69°F) and September slightly cooler at 20°C (68°F). However, September experiences higher maximum temperatures, reaching up to 28°C (83°F) compared to July's maximum of 29°C (84°F). One significant difference lies in precipitation: September sees a substantial increase, with 448 mm (17.6 in) of rain over 27 days, while July receives 262 mm (10.3 in) over 20 days. Additionally, humidity rises from 82% in July to 87% in September, indicating a muggier atmosphere as summer transitions into autumn. For more detailed information, refer to San Cristobal de las Casas weather in September.

When comparing July and October weather, we see some interesting similarities and differences. Both months have a minimum temperature of around 13°C (55-56°F) and an average temperature close to 20°C (68-69°F). However, July experiences slightly warmer maximum temperatures, reaching up to 29°C (84°F), while October's maximum is a bit cooler at 27°C (82°F). Precipitation is notably higher in October, with 298 mm (11.7 in) compared to July's 262 mm (10.3 in), and both months have an equal number of rainy days—20 in total. Additionally, humidity levels are higher in October at 88% versus July’s 82%, contributing to a more humid feel. For more detailed insights, you can visit San Cristobal de las Casas weather in October.

July and November exhibit notable differences in weather patterns. July is characterized by a warmer climate, with average temperatures reaching 20°C (69°F) and maximums soaring to 29°C (84°F). However, it also brings significant rainfall, with 262 mm (10.3 in) of precipitation spread over 20 days, accompanied by high humidity levels at 82%. In contrast, November enjoys milder temperatures, with an average of 18°C (65°F) and maximums close to 28°C (82°F). This month experiences much less rainfall, totaling only 47 mm (1.8 in) over just 8 days, and a slightly higher humidity at 88%. For more details about the weather in this month, you can check out San Cristobal de las Casas weather in November.

July and December show significant differences in weather patterns. July experiences a wider range of temperatures, with minimums around 13°C (56°F) and maximums peaking at 29°C (84°F), accompanied by high humidity levels of 82%. The month is characterized by substantial rainfall, receiving approximately 262 mm (10.3 in) over 20 days. In contrast, December presents a milder climate with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 28°C (83°F). This month has considerably less precipitation, totaling just 23 mm (0.9 in) over a mere 3 days, and a slightly higher humidity at 88%. For more details on the December weather, you can explore San Cristobal de las Casas weather in December.

Compare San Cristobal de las Casas's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in San Cristobal de las Casas

In July, San Cristobal de las Casas embraces a warm and humid atmosphere, distinguishing itself from the cooler and drier months that precede it. With temperatures reaching an average of 20°C (69°F), the region enjoys pleasantly warm days, although morning and evening chills can still surprise visitors. This month is notably characterized by a significant surge in rainfall, with numerous days experiencing moderate to heavy showers, contributing to a lush landscape. The increased humidity often enhances the tropical feel, making it essential for travelers to stay prepared for potential downpours. To learn more about the region's climate throughout the year, check out our detailed page on San Cristobal de las Casas Climate.