Last updated: April 22, 2025
May in San Diego, Mexico, is characterized by warm and inviting weather, with maximum temperatures reaching up to 37°C (99°F) and an average of 26°C (79°F). As the month progresses, cooler breezes can provide a refreshing contrast, particularly with a minimum temperature of 17°C (62°F) at night. While this sunny locale enjoys pleasant days, it also experiences moderate rainfall, with a total precipitation of 88 mm (3.5 in) spread over approximately 14 days. The humidity hovers around 65%, adding a tropical touch to the vibrant atmosphere. Visitors and locals alike can embrace the perfect mix of warmth and occasional showers, making May an ideal time to explore the beauty of San Diego's coastal charm.
In May, San Diego, Mexico, experiences a delightful warmth as temperatures begin to rise, with a minimum of 17°C (62°F) and an average of 26°C (79°F), reaching a maximum of 37°C (99°F). This marks a transition from the cooler spring months, where temperatures steadily climb, peaking just before summer. The trend showcases a gradual increase, with May typically offering the perfect balance between comfortable warmth and sunny days, ideal for outdoor activities and exploration. As the month progresses, visitors can expect vibrant scenery and inviting weather, making it a prime time to enjoy all that this beautiful coastal region has to offer.
May marks a dramatic shift in precipitation for San Diego, Mexico, with 88 mm (3.5 in) of rainfall recorded over 14 days—a stark contrast to the lighter showers seen in the earlier months. This surge not only signifies the start of the rainy season but also sets the stage for even heavier downpours in June and September, where totals rise significantly. As May transitions to the summer months, the frequency of rain increases, indicating a trend towards wetter conditions in the region. The contrast between May's deluge and the preceding arid months underscores the transformative impact of seasonal changes on San Diego’s climate.
In May, San Diego, Mexico, experiences a moderate humidity level of 65%, a noticeable shift from the drier conditions of the previous months. Following a gradual decline from 76% in January to a low of 57% in April, May sees a slight rebound in humidity as summer approaches. This uptick hints at the region's transition into warmer months, setting the stage for the more humid months of June and July, which both hover around 66% and 75% respectively. The overall trend indicates a seasonal pattern where humidity typically rises as the year progresses, ultimately peaking in the late summer and early fall.
In San Diego, Mexico, the UV Index in May stands at a striking 14, classified as extreme, with a rapid burn time of just 10 minutes. This trend of high UV levels continues from April, where the Index peaked at 15. Interestingly, the UV Index typically fluctuates between 10 and 15 during the first half of the year, with several months, from February to October, consistently remaining in the extreme category. As summer approaches, maintaining awareness of these conditions becomes essential for outdoor enthusiasts seeking to enjoy the sun responsibly. For more detailed insights into the UV Index throughout the year, check out San Diego UV Index.
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In San Diego, Mexico, the vibrant glow of sunshine paints a picturesque backdrop throughout the year, with May shining brightly as a continuation of the delightful spring season. With 314 hours of sunshine, May matches the warmth of April, heralding the onset of summer. Notably, the sunniest months are July and March, showcasing an impressive peak of 329 hours, drawing visitors eager to bask in the radiant rays. While spring enjoys a steady glow, there’s a clear trend of increasing daylight as the year progresses, with summer months consistently receiving the most sunlight. This pattern underscores San Diego's reputation as a year-round haven for sun seekers and outdoor enthusiasts alike, promising plenty of opportunities to savor the great outdoors.
As May approaches in San Diego, Mexico, the likelihood of sunny weather dips to 35%, marking it as one of the less favorable months for sun seekers. This decline follows a relatively bright April, which boasts a 55% chance of sunshine, and reflects a broader trend of diminishing sunlit days as the region transitions into the warmer summer months. Interestingly, the peak sunshine months occur earlier in the year, with February and March recording impressive probabilities of 79% and 77% respectively. As the calendar turns toward June, the chances shrink further to 18%, illustrating the seasonal ebb and flow of sunny weather in this beautiful coastal locale.
In San Diego, Mexico, the rhythm of daylight shifts throughout the year, creating a delightful interplay between sun and shadow. As winter wanes, January and February greet residents with a consistent 11 hours of daylight, hinting at the gradual approach of spring. By March, the days lengthen to 12 hours, ushering in a vibrant atmosphere that continues through April and May. The peak of daylight arrives in June with an impressive 13 hours, providing ample time to bask in the sun. As summer transitions into fall, daylight durations slightly retract to 12 hours from July through September, and then gently decrease back to 11 hours from October to December, marking the return to winter's embrace. This pattern not only highlights the beauty of changing seasons but also invites residents and visitors alike to savor the golden hours throughout the year.
In May, San Diego experiences a gentle whisper of breezes, with an average wind speed of 1.8 m/s (4 mph), making it the calmest month in the early part of the year. Following a gradual rise in wind speeds from February through March, conditions begin to mellow in April and continue to do so into May. This trend of tranquility beautifully transitions into the summer months, as June sees a further drop to 1.2 m/s (3 mph). Interestingly, after May, a slight recovery is observed, with wind speeds bouncing back to 2.3 m/s in July. Overall, May serves as a serene bridge between the mild spring and the breezy summer, highlighting a seasonal rhythm that enhances the region's charm.
The weather in San Diego 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 San Diego and find detailed weather information for every month.
In May, temperatures range from a mild 17°C (62°F) to a scorching 37°C (99°F), with an average of 26°C (79°F), making it significantly warmer than January. The month is also marked by higher humidity at 65% and more frequent rainfall, totaling 88 mm (3.5 in) over approximately 14 days. In contrast, January experiences cooler temperatures, with a minimum of 10°C (50°F), an average of 21°C (70°F), and a maximum of 33°C (93°F). Additionally, January features much lower precipitation at only 8 mm (0.3 in) over just one day, and a higher humidity level of 76%. For a more detailed overview, you can check San Diego weather in January.
In comparing the weather of May and February, a notable difference in temperature and precipitation patterns emerges. May tends to be significantly warmer, with average temperatures reaching 26°C (79°F) and highs soaring to 37°C (99°F), while February sees milder temperatures with averages around 22°C (72°F) and a maximum of 35°C (96°F). Additionally, February is considerably drier, experiencing only 5 mm (0.2 in) of precipitation over just 1 day, compared to May's 88 mm (3.5 in) spread over 14 days. Both months show relatively high humidity, with February slightly higher at 68% compared to May's 65%. For more insights into February weather, you can visit San Diego weather in February.
In comparing the weather of May and March, May tends to be significantly warmer with average temperatures reaching 26°C (79°F), while March sees a cooler average of 23°C (74°F). May experiences higher maximum temperatures, peaking at 37°C (99°F), compared to March's maximum of 36°C (96°F). Additionally, May is wetter, receiving 88 mm (3.5 in) of precipitation over 14 days, whereas March has minimal rainfall, with only 5 mm (0.2 in) occurring over just 1 day. Humidity levels are slightly higher in May at 65% compared to March's 59%. For more detailed insights on March weather, you can visit San Diego weather in March.
In comparing the weather between April and May, May tends to showcase slightly warmer temperatures, with a minimum of 17°C (62°F) and an average of 26°C (79°F), compared to April's minimum of 14°C (57°F) and average of 25°C (78°F). Both months can reach a maximum of 37°C (99°F), but May brings significantly more precipitation, with 88 mm (3.5 in) over 14 days, compared to April's minimal 11 mm (0.4 in) spread over just 2 days. Additionally, May has a higher humidity level at 65%, while April sits at 57%. For more detailed monthly trends, you can refer to San Diego weather in April.
May and June present distinct weather characteristics, with May generally being warmer and drier. In May, temperatures range from a minimum of 17°C (62°F) to a maximum of 37°C (99°F), averaging around 26°C (79°F) and experiencing about 88 mm (3.5 in) of precipitation over 14 days. In contrast, June sees slightly cooler temperatures, with a minimum of 17°C (63°F) and a maximum of 35°C (95°F), averaging 24°C (76°F). However, precipitation increases significantly to 183 mm (7.2 in) across 20 rainy days, resulting in a slightly higher humidity of 66%. For more details on June weather specifics, you can visit San Diego weather in June.
In May, temperatures range from a minimum of 17°C (62°F) to a maximum of 37°C (99°F), with an average of 26°C (79°F). This month sees considerable precipitation, totaling 88 mm (3.5 in) over about 14 days and a humidity level of 65%. In contrast, July experiences slightly cooler weather, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 35°C (95°F), and an average of 24°C (76°F). Additionally, July has significantly less rainfall at 42 mm (1.6 in) occurring over just 6 days, and a higher humidity level of 75%. For more details on the weather conditions in July, visit San Diego weather in July.
In comparing the weather between May and August, we observe that May generally features slightly warmer temperatures, with an average of 26°C (79°F) and maximum highs reaching 37°C (99°F). In contrast, August has a slightly lower average temperature of 25°C (76°F), with max temperatures peaking at 36°C (97°F). Both months experience similar levels of precipitation, around 88 mm (3.5 in) in May and 91 mm (3.6 in) in August, with rain expected on about 14 days in each month. However, August is notably more humid at 82% compared to May's 65%, making it feel more muggy. For a more detailed look at August conditions, you can check San Diego weather in August.
May and September display noticeable differences in weather patterns. In May, temperatures range from a comfortable minimum of 17°C (62°F) to a warm maximum of 37°C (99°F), with an average temperature of 26°C (79°F). The month typically sees 88 mm (3.5 in) of precipitation spread over 14 days and a humidity level of 65%. In contrast, September experiences slightly cooler temperatures with a minimum of 16°C (61°F) and a maximum of 33°C (92°F), averaging 24°C (75°F). This month receives more rainfall, totaling 156 mm (6.2 in) over 19 days, and a higher humidity level of 82%. For detailed weather insights, check out San Diego weather in September.
May experiences warmer temperatures with an average of 26°C (79°F) and highs reaching up to 37°C (99°F), while October sees cooler averages of 23°C (74°F) and maxima of 34°C (93°F). Precipitation levels are higher in October, with 134 mm (5.3 in) spread over 15 days compared to May's 88 mm (3.5 in) over 14 days. Additionally, October has higher humidity at 83% compared to May's 65%, contributing to a more humid atmosphere. For a detailed perspective on what to expect, check out San Diego weather in October.
May and November exhibit contrasting weather patterns, with May characterized by warmer temperatures and higher humidity. In May, temperatures range from a minimum of 17°C (62°F) to a maximum of 37°C (99°F), with an average of 26°C (79°F) and considerable precipitation of 88 mm (3.5 in) over 14 days. In contrast, November sees cooler temperatures, with a minimum of 13°C (55°F), an average of 22°C (72°F), and a maximum of 33°C (91°F). Additionally, November experiences significantly less rainfall, totaling 31 mm (1.2 in) over just 5 days, along with increased humidity at 80%. For a detailed overview of November’s weather, check out San Diego weather in November.
May and December present markedly different weather patterns. In May, temperatures can soar, with averages around 26°C (79°F) and highs reaching up to 37°C (99°F), making it a hot month overall. Humidity levels at 65% and considerable precipitation of 88 mm (3.5 in) over 14 days add to the warm and occasionally damp atmosphere. In contrast, December sees cooler conditions, with average temperatures of 21°C (71°F) and highs peaking at 32°C (90°F). The month is significantly drier, receiving only 8 mm (0.3 in) of rain over just 2 days, while humidity rises slightly to 76%. For more insights, check out San Diego weather in December.
May in San Diego ushers in a delightful transition from the cooler spring months, presenting a blend of warmth and moderate humidity. With average temperatures rising, you'll experience a pleasant balance of sunny days and refreshing breezes. While the city does see some rainfall—occurring on about half the days of the month—it is typically light, allowing for enjoyable outdoor activities. This month marks the beginning of the dry season, setting the stage for the summer ahead. For a deeper dive into the evolving weather patterns throughout the year, visit San Diego Climate.