Last updated: April 22, 2025
May in Hermosillo, Mexico presents a climate that is both warm and humid, with temperatures ranging from a comfortable 18°C (65°F) at night to a sizzling 34°C (93°F) during the day. The average temperature holds steady at a pleasant 25°C (77°F), ideal for outdoor activities. However, this month also brings significant rainfall, with a total precipitation of 533 mm (21.0 in) spread across 30 days, contributing to a humidity level of 65%. Visitors and residents alike should be prepared for occasional downpours amidst the warmth, making May a vibrant and dynamic time in Hermosillo.
As May unfolds in Hermosillo, Mexico, temperatures begin to rise, setting the stage for the warmer summer months ahead. With a minimum temperature of 18°C (65°F) and a peak that climbs to 34°C (93°F), the month averages a comfortable 25°C (77°F). This slight increase from April indicates a transition towards hotter weather, balanced by mild evenings that invite outdoor activities. As daytime warmth becomes more pronounced, the atmosphere buzzes with vibrant energy, showcasing Hermosillo's charm under the Mexican sun. Despite the heat, the weather remains pleasant, making May an ideal time for exploration and enjoyment of the region's natural beauty.
In May, Hermosillo experiences a dramatic shift in weather, marked by a staggering 533 mm (21.0 in) of precipitation over the course of 30 days. This surge in rainfall not only surpasses the amounts seen in the preceding months but also sets the stage for the region's lush transformation as summer approaches. While April brought about 120 mm (4.7 in), it pales in comparison to May's downpours. The consistency of rain throughout the entire month signifies a pivotal transition, with the lushness of the landscape intensified as this trend continues into June and beyond. With full days of rain and humidity on the rise, May serves as a crucial reminder of Hermosillo's seasonal shifts, as the once-desert climate welcomes the vibrant bursts of life that accompany its heavy rainy season.
In Hermosillo, Mexico, the month of May sees a notable shift in humidity levels, registering at 65%. This figure marks a recovery from the drier conditions of April, which dipped to 57%, and hints at the increasing moisture that will arrive with the summer months. As June follows closely with 66%, it becomes evident that humidity levels are on an upward trend, ultimately leading to the hotter and more humid days of July and August. The annual cycle reflects a gradual increase in humidity from the beginning of the year, reaching its peak in the fall with rates between 80% and 83% from October through December. This fluctuation creates a dynamic climate, where May stands as a pivotal month bridging the dry spring to the sultry summer.
In May, Hermosillo experiences an extreme UV Index of 14, maintaining the same high level seen in previous months. With a burn time of just 10 minutes, the risk of skin damage is significant, urging residents and visitors alike to take necessary precautions. This trend of consistently high UV levels extends from January through June, emphasizing the need for sun protection during the early summer months. As temperatures rise, the combination of intense sunlight and geographic location makes Hermosillo's UV exposure particularly formidable. For those navigating this sun-drenched landscape, it's vital to stay informed and prepared. More information can be found at Hermosillo UV Index.
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As May rolls in, Hermosillo, Mexico basks in a delightful 308 hours of sunshine, continuing a trend of luminous days that began earlier in the year. Notably, the sunshine totals have fluctuated, peaking in March with 323 hours before dipping slightly in June. This month stands out not only for its vibrant weather but also for its consistency, maintaining a robust amount of sunlight reminiscent of the lively spring months. As summer approaches, the patterns suggest residents and visitors alike can expect more sunny days ahead, especially after enjoying the ample warmth of April and the steady rays in May, which perfectly set the stage for cherished outdoor activities.
As we transition into May in Hermosillo, Mexico, the likelihood of enjoying sunny weather takes a noticeable dip. While the early months of the year boast impressive sunshine probabilities—peaking at 78% in February—May sees a significant reduction, dropping to a modest 26% chance of sun. This decline foreshadows the impending summer months, where the likelihood of sunny days continues to decrease further, plummeting to just 7% by June. The trend clearly indicates that May marks the onset of a transition period, hinting at the more overcast days that lie ahead as the summer heat truly sets in.
In Hermosillo, Mexico, daylight duration exhibits a subtle yet fascinating rhythm throughout the year. January and February welcome the year with consistent 11 hours of daylight, gradually extending into 12 hours by March, a trend that persists from April through August. This consistent daylight not only promotes outdoor activities but also enhances the vibrant life in the region. As summer wanes in September, the daylight remains steady at 12 hours, before gently receding back to 11 hours in October, a nod to the approaching winter months. November and December then continue this pattern, enveloping Hermosillo in a cozy 11-hour embrace. This cyclical dance of light emphasizes the region's warm and inviting climate, making it a delightful destination year-round.
As May unfolds in Hermosillo, the wind takes a gentle sigh, with an average speed of 1.1 m/s (2 mph), a slight dip compared to the earlier months. This calmness mirrors the transition into summer, where the winds of April pick up strength and bustle at 1.3 m/s (3 mph), before gradually tapering off. Throughout the year, the wind consistently hovers around the 1.1 to 1.5 m/s range, revealing a subtle trend towards tranquility during the late spring and early summer months. This serene atmospheric condition not only enhances the warmness of the season but also invites residents and visitors alike to enjoy the vibrant outdoors in a refreshing, breezy embrace.
The weather in Hermosillo 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 Hermosillo and find detailed weather information for every month.
In comparing the weather of May and January, it's evident that May is significantly warmer and wetter. May experiences temperatures ranging from a minimum of 18°C (65°F) to a maximum of 34°C (93°F), with an average of 25°C (77°F). This month sees considerable rainfall, totaling 533 mm (21.0 in) over 30 days, and a humidity level of 65%. Conversely, January is cooler, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 32°C (91°F) and an average of 23°C (73°F). The precipitation is much lower during this month, totaling only 27 mm (1.0 in) over just 6 days, alongside a higher humidity of 76%. For more detailed insights, you can check Hermosillo weather in January.
In comparing the weather of May and February, we see that May tends to be warmer overall, with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 34°C (93°F), while February has slightly cooler temperatures, with a minimum of 14°C (57°F) and a maximum of 33°C (91°F). May is characterized by significantly higher precipitation, receiving 533 mm (21.0 in) over 30 days, compared to February's modest 15 mm (0.6 in) over just 3 days. Despite a similar average humidity level, which hovers around 65-68%, the heavy rainfall in May leads to a more humid and potentially stormy atmosphere. For a closer look at February's specific weather patterns, you can check out Hermosillo weather in February.
In comparing the weather between May and March, May presents warmer temperatures, with average highs reaching 34°C (93°F) compared to March's maximum of 32°C (91°F). While May has a higher average temperature of 25°C (77°F) versus March's 24°C (76°F), it also experiences significantly more rainfall, accumulating 533 mm (21.0 in) over 30 days, dwarfed by March's mere 38 mm (1.5 in) across just 9 days. The humidity in May is also slightly higher at 65%, compared to 59% in March, contributing to a more humid atmosphere as the month progresses. For more specifics regarding March weather, you can check Hermosillo weather in March.
In comparing the weather between April and May, we observe that both months experience similar average temperatures, around 25°C (77°F), but May tends to be slightly warmer at night with a minimum of 18°C (65°F) compared to April's 16°C (62°F). Notably, May sees a significant increase in precipitation, with a staggering 533 mm (21.0 in) spread over 30 days, while April only receives 120 mm (4.7 in) across 17 days, suggesting a much wetter and more humid environment in May with humidity levels reaching 65% compared to April's 57%. For more details on April's weather, you can visit Hermosillo weather in April.
In comparing the weather patterns of May and June, both months share a minimum temperature that hovers around 18°C (65°F) and experience similar humidity levels, with May at 65% and June slightly higher at 66%. However, June sees a slight decrease in average temperature (24°C or 76°F) compared to May (25°C or 77°F), and both months reach maximum temperatures of 34°C (93°F) in May and 32°C (90°F) in June. Precipitation remains high in both months, with May receiving 533 mm (21.0 in) over 30 days, while June has a bit more, totaling 553 mm (21.8 in) over 29 days. For more detailed insights, you can check Hermosillo weather in June.
In May, temperatures range from a minimum of 18°C (65°F) to a maximum of 34°C (93°F), with an average of 25°C (77°F). This month experiences substantial rainfall, with total precipitation reaching 533 mm (21.0 in) over 30 days, contributing to a humidity level of 65%. In contrast, July sees slightly cooler temperatures, with a minimum of 17°C (62°F) and a maximum of 31°C (89°F), averaging 24°C (76°F). Although total precipitation decreases to 460 mm (18.1 in) over 31 days, humidity rises to 75%, creating a more muggy atmosphere. For more detailed information about July's weather, you can visit Hermosillo weather in July.
In comparing the weather between May and August, we see some notable differences. In May, temperatures range from a minimum of 18°C (65°F) to a maximum of 34°C (93°F), with an average of 25°C (77°F). This month experiences significant rainfall, totaling 533 mm (21.0 inches) over 30 days, and the humidity is relatively moderate at 65%.
Conversely, August presents a slight drop in temperature, with a minimum of 17°C (64°F) and a maximum of 32°C (90°F), averaging around 24°C (76°F). However, it sees an increase in precipitation, amounting to 590 mm (23.2 inches) over the same 30-day period, coupled with a higher humidity level at 82%. For a more detailed look into August's climate specifics, you can visit Hermosillo weather in August.
May and September weather patterns present notable differences despite their proximity in the calendar year. In May, temperatures typically range from a minimum of 18°C (65°F) to a maximum of 34°C (93°F), with an average of 25°C (77°F). Although it is warm, May sees significant rainfall, with 533 mm (21.0 in) of precipitation spread over 30 days and a humidity level of 65%. In contrast, September experiences slightly cooler temperatures, with a minimum of 17°C (63°F), an average of 24°C (75°F), and a maximum of 31°C (88°F). However, September is wetter, boasting 683 mm (26.9 in) of precipitation over 29 days and a higher humidity level of 82%. These variations highlight the transition from the intense pre-summer heat of May to the moister, slightly cooler conditions of September, making it a significant shift in the weather. For more detailed information, you can refer to the Hermosillo weather in September.
May and October present distinct weather patterns, with May generally offering warmer temperatures. In May, the minimum temperature hovers around 18°C (65°F) while the average reaches 25°C (77°F), peaking at a maximum of 34°C (93°F). However, it comes with significant precipitation, totaling 533 mm (21.0 in) over 30 days and a humidity level of 65%. In contrast, October features slightly cooler temperatures with a minimum of 16°C (62°F), an average of 24°C (75°F), and a maximum of 31°C (88°F). Yet, it sees even higher rainfall, accumulating 658 mm (25.9 in) throughout the month with increased humidity at 83%. For more details on October’s weather, check Hermosillo weather in October.
In May, the weather tends to be warmer with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 34°C (93°F), alongside significant precipitation of 533 mm (21.0 in) spread across 30 days. This month experiences a relatively moderate humidity level of 65%.
In contrast, November features slightly cooler temperatures, with averages between 15°C (60°F) and 32°C (89°F) and a lower total precipitation of 276 mm (10.9 in) over 24 days. However, the humidity rises to 80%, making the atmosphere feel a bit more saturated.
For more detailed insights, you can check out Hermosillo weather in November.
May and December present notably different weather patterns. In May, temperatures range from a minimum of 18°C (65°F) to a sweltering maximum of 34°C (93°F), with an average temperature of 25° C (77°F). The month is characterized by significant precipitation, totaling 533 mm (21.0 in) over 30 days, along with a humidity level of 65%. In contrast, December offers milder temperatures, with a minimum of 15°C (58°F), an average of 23°C (73°F), and a maximum of 30°C (87°F). Precipitation is significantly lower, measuring only 48 mm (1.9 in) across 9 days, and humidity rises to 76%. For more detailed insights into December weather, you can visit Hermosillo weather in December.
As May unfolds in Hermosillo, the weather transforms dramatically, marked by soaring temperatures and an uptick in humidity. With maximums reaching 34°C (93°F) and an average hovering around 25°C (77°F), the month stands out as one of the warmest of the year, in stark contrast to the cooler stretches of winter and early spring. While the city typically enjoys sunny days, May also brings with it increased precipitation, resulting in around 533 mm (21.0 in) of rain over the course of 30 days—much higher than the drier months that precede it. This change not only enhances the lushness of the landscape but also invites a refreshing breeze that can be both invigorating and humid. For deeper insights into how the climate evolves throughout the year, visit Hermosillo Climate.