May Weather in Guanajuato, Mexico

Last updated: April 22, 2025

In Guanajuato, Mexico, the month of May brings a warm and vibrant climate, characterized by maximum temperatures reaching 35°C (95°F) and an average of 26°C (79°F). Evenings are pleasantly mild, with temperatures cooling to a minimum of 21°C (69°F). However, this month is marked by significant rainfall, totaling 176 mm (6.9 in) over 24 days, contributing to a humidity level of 74%. The lush landscapes and rich cultural experiences in this colorful city thrive amidst the occasional showers, making May a captivating time to visit.

May Temperature in Guanajuato

In Guanajuato, Mexico, the month of May showcases a pleasant transition into warmer weather, characterized by a minimum temperature of 21°C (69°F) and an average of 26°C (79°F). This month remains consistent with the moderate warmth experienced in previous months while reaching its peak at 35°C (95°F). As the days lengthen and the sun shines brighter, the temperatures reflect a trend of gradual warming that begins in early spring and hints at the hotter summer months ahead. With daytime highs maintaining a steady warmth without excessive heat, May is an ideal time to explore the vibrant culture and stunning landscapes of this colonial gem.

May Weather in Guanajuato: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Guanajuato, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec757678797977787777777775
Data source: Temperature data for Guanajuato 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.

May Precipitation in Guanajuato

In May, Guanajuato experiences a dramatic surge in precipitation, receiving 176 mm (6.9 in) of rainfall over the course of 24 days. This stark increase follows a gradual rise from the meager 39 mm (1.5 in) in April, marking a transition into the region's wettest season. The frequent showers in May set the stage for even heavier rainfall in the subsequent months, as June and July average over 300 mm, emphasizing a clear trend of escalating precipitation leading into the heart of the rainy season. This thoughtful pattern transforms the landscape, nurturing the vibrant flora that defines the region while hinting at the climatic extremes that are characteristic of Guanajuato's weather cycle.

May Precipitation Trends in Guanajuato

The chart displays monthly precipitation patterns in Guanajuato, with values for each month alongside May's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec331139176327277355391323384
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Guanajuato

As spring transitions into summer, May in Guanajuato, Mexico, brings a noticeable increase in humidity, rising to 74%. This uptick marks a slight elevation from April's 67%, signaling the onset of a more humid season ahead. The trend continues as temperatures soar into the following months, with the humidity peaking at 82% in August. Overall, the humidity climbs steadily from January’s 70%, dips slightly until March, and then rebounds sharply during the warmer months. Visitors in May can expect a vibrant, if somewhat muggy, atmosphere as the lush landscapes flourish under the combination of warmth and increased moisture.

May Average Humidity in Guanajuato

This chart illustrates the average monthly humidity levels in Guanajuato, with May's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how May's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec70%68%64%67%74%78%82%82%80%81%80%75%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Guanajuato

In May, Guanajuato experiences a UV Index of 14, placing it firmly in the extreme exposure category with a burn time of just 10 minutes. This trend of high UV levels continues from April, indicating that sun protection is essential for outdoor activities. As the region transitions into the summer months, the UV Index remains consistent at 14 through June and July, suggesting that visitors and locals alike should be vigilant about sun safety practices. It's crucial to stay informed about these levels throughout the year to enjoy the sunny climate of Guanajuato safely. For detailed insights, you can explore the Guanajuato UV Index.

Maximum UV Index Levels in Guanajuato for May

The chart shows the monthly maximum UV Index (UVI) for Guanajuato in May, 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.
JanFebMarAprMayJunJulAugSepOctNovDec10121314141414131312109
Data source: Guanajuato May 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.

May Sunshine in Guanajuato

As spring transitions into summer, May in Guanajuato, Mexico, brings a delightful average of 317 hours of sunshine, reflecting a vibrant and warm atmosphere. This month sits comfortably among other sunny periods, following the peak of March at 322 hours, and closely trailing behind the sunny embrace of April, which boasts 315 hours. The consistent brightness throughout these months indicates a clear trend of plentiful sunshine in the region, making May an ideal time for exploration and outdoor festivities. With the sun shining nearly as brightly as in July, which offers another high at 322 hours, visitors can revel in the beauty of Guanajuato's landscapes and rich culture, all bathed in the warmth of an abundant sun.

Monthly Sunshine Duration in Guanajuato: May Highlighted

The May sunshine duration represents the total number of hours Guanajuato experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec249h282h322h315h317h275h322h302h288h289h309h314h
Data source: Guanajuato May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Guanajuato During May

In Guanajuato, Mexico, the likelihood of sunny weather takes a noticeable dip in May, with only a 32% chance of sun. This marks a significant contrast to the preceding months, particularly February with its robust 88% sunshine probability, and March at 79%. As spring transitions into early summer, the sun becomes more elusive, leading into June, when the chances drop further to just 12%. This trend highlights a clear seasonal pattern in the region, making May a time when those hoping for bright, sunny days may need to adjust their expectations as cloudier, wetter weather begins to take hold.

Percentage of Sunny Days in May in Guanajuato

The chart illustrates the percentage of sunny days in Guanajuato throughout the year, with May 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 Guanajuato experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec68%88%79%57%33%12%17%13%15%35%70%85%
Data source: Guanajuato May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Guanajuato in May

In Guanajuato, Mexico, the arrival of May heralds the continuation of delightful 12 hours of daylight, consistent with April's duration. This period marks the transition from the shorter winter days of January and February, each with 11 hours, to longer daylight hours experienced in June, where the sun graces the region for an impressive 13 hours. As the days lengthen leading into summer, the daylight remains steady through the subsequent months, creating a harmonious rhythm of light and warmth. After June, daylight begins to gently taper off as the year progresses into autumn, illustrating a beautiful cyclical pattern of daylight that defines Guanajuato's seasonal landscape.

Average Daylight Hours in Guanajuato for May

The chart illustrates the variation in daylight duration in Guanajuato throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 17m11h 37m12h 2m12h 29m12h 51m13h 2m12h 56m12h 36m12h 11m11h 45m11h 22m11h 11m
Data source: Guanajuato daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Guanajuato

In Guanajuato, Mexico, the month of May features a gentle breeze, with an average wind speed of just 1.2 m/s (3 mph), making it one of the calmer periods of the year. Following a gradual decline from the early months, where wind speeds hover around 2.0 m/s, May signals a shift into the summer's stillness, as the city experiences consistently low winds that persist into June and July. This pattern reflects a broader trend, with wind speeds generally tapering off from their higher January levels, creating a serene atmosphere perfect for exploring the vibrant culture and stunning landscapes that Guanajuato has to offer. As the year progresses, gusts return with more vigor in the fall, but May's tranquil breezes invite leisurely strolls and appreciation of the city’s rich charm.

Average May Wind Speed in Guanajuato

The chart displays monthly wind speed patterns in Guanajuato, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.02.11.91.71.2 m/s1.21.11.11.21.22.11.7
Data source: Guanajuato May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Guanajuato Compares to Other Months

The weather in Guanajuato 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 Guanajuato and find detailed weather information for every month.

When comparing the weather in May and January, a striking difference in temperature and precipitation becomes apparent. In May, temperatures range from a minimum of 21°C (69°F) to a maximum of 35°C (95°F), with an average of 26°C (79°F), making it considerably warmer. The month also sees significant rainfall, with 176 mm (6.9 in) of precipitation over 24 days, resulting in a high humidity level of 74%. In contrast, January presents milder conditions, with temperatures ranging from a minimum of 14°C (57°F) and averaging 24°C (75°F) to a maximum of 34°C (93°F). Remarkably, January experiences minimal rainfall, with just 3 mm (0.1 in) over zero days, leading to a lower humidity level of 70%. For more detailed weather information, you can refer to Guanajuato weather in January.

When comparing the weather in May and February, May tends to be significantly warmer and wetter. In May, temperatures range from a minimum of 21°C (69°F) to a maximum of 35°C (95°F), with an average of 26°C (79°F). In contrast, February experiences cooler temperatures, with a minimum of 14°C (58°F) and a maximum of 34°C (93°F), averaging 25°C (77°F). Preciptation also varies greatly; May sees an average of 176 mm (6.9 in) of rain over 24 days, while February boasts almost no rain, with only 3 mm (0.1 in) and 0 days of precipitation. Additionally, humidity levels are slightly higher in May at 74%, compared to February’s 68%. For more detailed information, check out Guanajuato weather in February.

When comparing the weather in May and March, it's evident that both months experience similar maximum temperatures, peaking at 35°C (95°F). However, May tends to be much more humid, with an average humidity of 74% compared to March's 64%. Additionally, precipitation is significantly higher in May, with 176 mm (6.9 in) spread over 24 days, while March sees only 11 mm (0.4 in) over just 2 days. This means that May is not only warmer but also much wetter compared to March, which is generally drier. For a closer look at March weather, you can visit Guanajuato weather in March.

In comparing the weather of April and May, both months experience similar average temperatures, with May averaging 26°C (79°F). However, May tends to be warmer in terms of minimum temperatures, sitting at 21°C (69°F) compared to April’s 18°C (64°F). One significant difference is the amount of precipitation; May receives a substantial 176 mm (6.9 in) over 24 days, a stark contrast to April's much drier conditions with only 39 mm (1.5 in) across 7 days. Additionally, humidity levels increase slightly in May to 74%, compared to April’s 67%. For more details on April's weather, you can visit this link: Guanajuato weather in April.

May and June exhibit contrasting weather patterns, despite their proximity in the calendar year. In May, temperatures range from a minimum of 21°C (69°F) to a maximum of 35°C (95°F), with an average of 26°C (79°F). The month is characterized by 176 mm (6.9 in) of precipitation over 24 days, coupled with a humidity level of 74%. In contrast, June brings slightly cooler temperatures, with a minimum of 20°C (68°F) and a maximum of 33°C (92°F), averaging 25°C (78°F). However, June is significantly wetter, with 327 mm (12.9 in) of precipitation occurring over 26 days and a humidity increase to 78%. For a detailed overview, you can explore the Guanajuato weather in June.

In comparing the weather between May and July, we observe some notable differences. May typically enjoys warmer temperatures, with a minimum of 21°C (69°F) and maximum reaching up to 35°C (95°F), while July's temperatures are slightly cooler, with a maximum of 33°C (91°F). However, July sees increased precipitation, averaging 277 mm (10.9 in) compared to May's 176 mm (6.9 in), and it tends to be wetter with rain on 29 days as opposed to 24 in May. The humidity also rises in July, averaging 81% compared to May's 74%. Overall, July is characterized by cooler temperatures yet wetter and more humid conditions. For more detailed insights, you can check out Guanajuato weather in July.

May and August exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 21°C (69°F) to a maximum of 35°C (95°F), with an average of 26°C (79°F). The month sees significant rainfall, with 176 mm (6.9 in) of precipitation spread over 24 days, and humidity levels at 74%. In contrast, August has slightly cooler temperatures, with a minimum of 20°C (68°F), an average of 25°C (78°F), and a maximum of 33°C (91°F). However, it experiences much higher precipitation at 355 mm (14.0 in) across 28 days, along with increased humidity at 82%. For more detailed information on August weather, check Guanajuato weather in August.

In May, temperatures typically range from a minimum of 21°C (69°F) to a maximum of 35°C (95°F), with an average of 26°C (79°F). The month sees moderate rainfall, totaling 176 mm (6.9 in) spread over 24 days, and a humidity level of 74%. In contrast, September experiences slightly cooler temperatures, with a minimum of 20°C (69°F) and a maximum of 32°C (89°F), averaging around 25°C (77°F). However, this month brings significantly higher precipitation, amounting to 391 mm (15.4 in) over 27 days, along with increased humidity at 80%. For more details on the weather in September, you can visit Guanajuato weather in September.

May and October display distinct weather characteristics. In May, temperatures range from a minimum of 21°C (69°F) to a maximum of 35°C (95°F), with an average of 26°C (79°F). The month experiences around 176 mm (6.9 in) of precipitation over 24 days, accompanied by a humidity level of 74%. In contrast, October sees slightly cooler temperatures, with a minimum of 20°C (68°F) and a maximum of 33°C (91°F), averaging at 25°C (77°F). However, October is significantly wetter, receiving 323 mm (12.7 in) of rain across 27 days, and higher humidity at 81%. For a closer look at October’s weather patterns, you can visit Guanajuato weather in October.

May and November present notable differences in weather patterns. In May, temperatures range from a minimum of 21°C (69°F) to a maximum of 35°C (95°F), with an average of 26°C (79°F). This month also experiences significant rainfall, with 176 mm (6.9 in) spread over 24 days and humidity levels hovering around 74%. In contrast, November features milder temperatures, with a minimum of 17°C (63°F), an average of 25°C (77°F), and a maximum of 33°C (92°F). Additionally, November is much drier, receiving only 38 mm (1.5 in) of precipitation across just 8 days, although humidity rises slightly to 80%. For more details, you can visit Guanajuato weather in November.

May and December showcase a stark contrast in weather patterns. In May, temperatures range from a minimum of 21°C (69°F) to a maximum of 35°C (95°F), with an average temperature of 26°C (79°F). The month is characterized by high humidity at 74% and significant rainfall, totaling 176 mm (6.9 in) over 24 days. Conversely, December experiences cooler temperatures, with a minimum of 16°C (60°F) and a maximum of 33°C (91°F), resulting in a more comfortable average of 24°C (76°F). Additionally, December is notably drier, with only 4 mm (0.2 in) of precipitation over just 2 days, while maintaining similar humidity levels at 75%. For more about December weather specifics, you can refer to Guanajuato weather in December.

Compare Guanajuato's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Guanajuato

As May unfolds in Guanajuato, the weather takes a noticeable turn, blending warmth and humidity in a unique way. With average temperatures reaching a balmy 26°C and peaks soaring to 35°C, the month stands out as one of the warmest of the year. However, the humidity levels also rise to about 74%, creating that heavy summer feel, which is quite different from the cooler and drier months preceding it. Rain becomes more frequent, with nearly 24 days experiencing precipitation, adding a refreshing contrast to the enduring warmth. This combination of high temperatures and increased rainfall not only enhances the vibrancy of the local landscape but also invites visitors to experience Guanajuato’s beauty in a lush, lively setting. For more insights, check out Guanajuato Climate.