Last updated: April 22, 2025
In July, San Diego, Mexico experiences warm and humid weather, with maximum temperatures soaring up to 37°C (100°F) and an average temperature of 29°C (85°F), creating ideal conditions for outdoor activities. The minimum temperature tends to hover around 23°C (74°F), providing a comfortable nighttime ambiance. This month sees about 86 mm (3.4 in) of rainfall, spread across approximately 14 days, contributing to the area’s lush landscape. With an average humidity level of 82%, visitors should be prepared for a tropical feel, making it essential to stay hydrated and reap the benefits of the vibrant summer atmosphere.
In July, San Diego, Mexico, embraces the warmth of summer with temperatures reflecting the peak of the season. The nights are pleasantly mild, with minimum temperatures around 23°C (74°F), while the days offer a delightful average of 29°C (85°F), perfect for beach outings and outdoor adventures. With maximums soaring to 37°C (100°F), July stands out as a peak month, showcasing a trend of rising temperatures as the year progresses. This month effectively encapsulates the region's climate, providing a perfect blend of warmth and occasional cooling breezes, making it an ideal time for visitors to enjoy the sunny shores and vibrant local culture.
In July, San Diego, Mexico, experiences a notable spike in precipitation, recording 86 mm (3.4 in) across 14 days of rainfall. This significant increase signals the onset of the region's rainy season, contrasting sharply with the drier months preceding it, where April and May saw no recorded rain at all. Following June, which brought 26 mm (1.0 in) over just 3 days, July ushers in a much wetter pattern that continues into August (152 mm) and September (143 mm), highlighting a trend of increasing rainfall as summer progresses. This shift not only rejuvenates the landscape but also sets the stage for the lush growth typical of the region during these months.
In July, San Diego, Mexico, experiences a noticeable peak in humidity, reaching 82%, a significant increase from the drier months earlier in the year. This surge marks the transition into the summer season, where the humidity levels continue to rise into August, hitting 87%, and then remaining high through September. The trend is clear: as the year progresses, humidity levels generally escalate, with the summer months showcasing the most fluctuation. While January and February start off quite humid at 76% and 69% respectively, the drier months of April and May, with humidity dropping to 49%, contrast starkly with the peak summer figures. This cyclical pattern highlights San Diego's warm climate, where the combination of heat and moisture creates a distinctly tropical atmosphere as the year unfolds.
In July, San Diego experiences a UV Index of 12, maintaining its extreme exposure category, which has been the trend since April. This month continues the pattern of very high UV levels that began in February, indicating that sun safety is crucial. With a burn time of just 10 minutes, it's essential for residents and visitors alike to be proactive in protecting their skin from harmful rays. The UV Index remains consistently high throughout the summer, reminding us that even brief sun exposure can be significant. For more information on UV levels year-round, check out the details here: San Diego UV Index.
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In San Diego, Mexico, July offers a delightful embrace of 319 hours of sunshine, contributing to its reputation as a sun-soaked paradise. As the peak summer month, it follows a gradual increase in daylight from January's 222 hours and peaks with May's impressive 360 hours, indicating a clear trend of brightening months leading into summer. Although July experiences a slight dip compared to June's 334 hours, it remains well above the early winter months, confirming the region's consistent sun-filled charm. As summer transitions to early autumn, sunlight begins to wane but maintains an inviting presence, making San Diego a year-round destination for sun enthusiasts.
In San Diego, Mexico, July typically sees a notable dip in sunshine, with only 40% chance of sunny weather. This trend marks a significant decline from the brighter days of late spring, where May boasts an encouraging 80% sun likelihood. After reaching June's 56%, July's lower figures hint at a shift towards more cloud cover and potentially rainy days as the summer progresses. As the year unfolds, the likelihood of sunshine starts to rebound in the fall months, with October showcasing a promising 75% chance. Thus, while July may not be the sunniest month, the shifting patterns throughout the year keep the allure of sunny days alive in this charming coastal town.
In July, San Diego enjoys a delightful 13 hours of daylight, maintaining the same sunlit hours as the previous month. This peak in daylight illuminates the summer, offering ample time for outdoor adventures and beach outings. As we analyze the preceding months, a clear trend emerges: daylight gradually increases from 10 hours in January to 13 hours by June and July, before beginning to taper off again in August and September. The consistent daylight during these warmer summer months enhances the vibrant atmosphere of San Diego, inviting residents and visitors alike to bask in the sun's warmth and engage in the city's lively activities.
In July, the winds in San Diego, Mexico experience a gentle lull, with an average speed of 1.6 m/s (4 mph), slightly lower than the previous months. This trend marks the peak of summer, where the breezes shift from a more invigorating 2.1 m/s (5 mph) in June to a softer caress that characterizes July and the following months. As the summer heat embraces the region, the consistent mildness in wind speed from January through July creates a serene environment, inviting visitors to bask in the coastal beauty. With winds tapering down further in August and September, the allure of gentle summer breezes remains, offering a perfect backdrop for beachside relaxation and outdoor exploration.
The weather in San Diego 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 Diego and find detailed weather information for every month.
July and January present a striking contrast in weather. In July, temperatures soar with a minimum of 23°C (74°F) and an average of 29°C (85°F), reaching highs of 37°C (100°F). This month is also marked by significant humidity at 82% and frequent rainfall, totaling 86 mm (3.4 in) over 14 days. In contrast, January sees much milder temperatures, with a minimum of 8°C (47°F) and an average of 20°C (68°F), peaking at a maximum of 33°C (91°F). The precipitation in January is minimal, with only 6 mm (0.3 in) over just one day, and slightly lower humidity at 76%. For more detailed insights, check out San Diego weather in January.
July and February present contrasting weather patterns. July, with its high temperatures averaging around 29°C (85°F) and peaking at 37°C (100°F), is characterized by a humid climate, with humidity levels reaching 82%. Additionally, this summer month sees significant precipitation of 86 mm (3.4 in) over approximately 14 days, making it a wet period for the region. In contrast, February offers a much cooler average temperature of 20°C (69°F), with daily highs of 33°C (92°F) and minimal rain, totaling only 24 mm (0.9 in) over just 2 days. The humidity is also lower at 69%, contributing to a much drier feel. For more details, check out San Diego weather in February.
July and March exhibit strikingly different weather patterns. In July, temperatures soar with a minimum of 23°C (74°F) and an average of 29°C (85°F), peaking at a scorching 37°C (100°F). The month is also characterized by high humidity at 82% and considerable precipitation, receiving 86 mm (3.4 in) over 14 days. In contrast, March features much milder temperatures, with a minimum of 10°C (51°F) and an average of 22°C (72°F), rising to a maximum of 34°C (94°F). Notably, March experiences significantly less precipitation with only 2 mm (0.1 in) and no rainy days, along with lower humidity at 57%. For more details on the weather during this month, check out San Diego weather in March.
In comparing July and April weather, July experiences significantly warmer temperatures, with average highs reaching up to 37°C (100°F), while April's average maximum temperature is a more moderate 36°C (97°F). Although both months feature high temperatures, April’s minimum temperature starts at a cooler 12°C (53°F), compared to July's warmer 23°C (74°F). Moreover, July is characterized by high humidity at 82% and substantial precipitation of 86 mm (3.4 in) over 14 days, contrasting sharply with April's dry conditions, which recorded no precipitation at all and a much lower humidity of 49%. For a closer look at April's weather patterns, you can check San Diego weather in April.
When comparing the weather in July and May, there's a significant difference in temperature and humidity. July boasts a higher average temperature of 29°C (85°F), peaking at a scorching 37°C (100°F) with a minimum of 23°C (74°F). In contrast, May's temperatures are milder, with an average of 26°C (80°F), and range from a minimum of 15°C (60°F) to a maximum of 37°C (98°F). Notably, July experiences substantial humidity at 82% and receives an average of 86 mm (3.4 in) of rain across 14 days, while May enjoys dry conditions with no recorded precipitation and a more comfortable humidity level of 49%. For more detailed insights, check out San Diego weather in May.
In comparing the weather between June and July, both months exhibit warm temperatures, but July tends to be slightly warmer overall. The minimum temperature in July is 23°C (74°F), compared to June’s 20°C (68°F), while both months share an average temperature of 29°C (84°F). Notably, July has a maximum temperature that matches June's peak at 38°C (100°F). However, July is significantly wetter, receiving 86 mm (3.4 in) of precipitation over 14 days, in stark contrast to June, which has only 26 mm (1.0 in) over just 3 days. Additionally, July's humidity is higher at 82%, compared to June's more comfortable 64%. For more information about June weather, you can check San Diego weather in June.
In comparing the weather between July and August, both months feature similar minimum and average temperatures, with July seeing a low of 23°C (74°F) and an average of 29°C (85°F), mirrored by August's 23°C (75°F) and 29°C (85°F). However, August is slightly cooler at its maximum, reaching 37°C (98°F) compared to July's peak of 37°C (100°F). Precipitation is significantly higher in August, with 152 mm (6.0 in) falling over 19 days, versus July's 86 mm (3.4 in) over 14 days. Humidity also rises in August, reaching 87% compared to July's 82%, making it a more humid month overall. For more specific weather details in August, you can check San Diego weather in August.
In comparing the weather between July and September, July tends to be slightly warmer, with average temperatures around 29°C (85°F) and a maximum of 37°C (100°F). In contrast, September has an average temperature of 28°C (83°F) and a maximum of 36°C (97°F), making it marginally cooler. However, September sees a significant increase in precipitation, measuring 143 mm (5.6 in) over 20 days, compared to July's 86 mm (3.4 in) spread over just 14 days. Additionally, humidity levels are higher in September at 88% compared to July's 82%. For more details on September weather, you can visit San Diego weather in September.
In July, the weather is typically hot and humid, with temperatures ranging from a minimum of 23°C (74°F) to a scorching maximum of 37°C (100°F). With an average temperature of 29°C (85°F) and 86 mm (3.4 in) of precipitation over about 14 days, July provides a distinctly sultry atmosphere. In contrast, October features slightly cooler temperatures, dropping to a minimum of 18°C (64°F) while still reaching a maximum of 37°C (98°F). The average temperature in October is a comfortable 28°C (83°F), accompanied by significantly less precipitation at 43 mm (1.7 in) over just 5 days. Humidity remains relatively high in both months, but feels a bit more manageable in October. For more details, check out San Diego weather in October.
In comparing July and November weather, July stands out with significantly higher temperatures, averaging around 29°C (85°F), while November's average drops to a milder 25°C (77°F). July experiences hotter extremes, with maximum temperatures reaching up to 37°C (100°F), compared to November's peak of 36°C (98°F). Additionally, July is notably wetter, with 86 mm (3.4 in) of precipitation spread over 14 days, whereas November sees only 46 mm (1.8 in) over just 2 days. Interestingly, humidity levels are quite similar, with July at 82% and November slightly higher at 84%. For more specific details about November weather, you can refer to San Diego weather in November.
In July, temperatures soar with a minimum of 23°C (74°F) and an average high of 29°C (85°F), reaching up to 37°C (100°F). The month is marked by considerable humidity at 82% and frequent rain, with precipitation occurring on 14 days totaling 86 mm (3.4 in). In contrast, December brings much cooler weather, with a minimum temperature of 10°C (51°F) and an average high of 21°C (70°F), peaking at 34°C (93°F). This month experiences significantly less rainfall, with only 17 mm (0.7 in) over just 2 days, and humidity remains relatively high at 86%. For more details, visit San Diego weather in December.
As July arrives in San Diego, the weather takes a turn, presenting warm temperatures and higher humidity compared to other months. With an average high of 29°C (85°F), residents and visitors alike can expect plenty of sunny days, though the month is marked by noticeable humidity levels reaching 82%, giving the heat a muggy feel. July also brings an increased chance of rain, with precipitation occurring on about 14 days, which adds a refreshing break from the warmth. This combination of summer warmth and sporadic rain sets July apart from the milder and dryer months, inviting everyone to embrace the vibrant outdoor lifestyle San Diego has to offer. For a deeper understanding of what to expect throughout the year, check out San Diego Climate.