May Weather in San Andres, Mexico

Last updated: April 22, 2025

San Andres, Mexico, experiences a vibrant May, characterized by a maximum temperature of 30°C (86°F) and a comfortable average of 19°C (67°F). With minimum temperatures dipping to 11°C (52°F), this month offers a welcoming climate for visitors. However, be prepared for frequent rainfall, as 190 mm (7.5 in) of precipitation is expected over 24 days, contributing to an average humidity of 82%. Overall, May in San Andres is a blend of warmth and refreshing showers, perfect for embracing the lush landscapes of this beautiful region.

May Temperature in San Andres

In May, San Andres, Mexico experiences a gentle transition into warmer weather, with temperatures reflecting the onset of the summer season. The minimum temperature rises to 11°C (52°F), and the average settles comfortably at 19°C (67°F), offering pleasant days and cool evenings. As the maximum temperature reaches 30°C (86°F), visitors can enjoy ample sunshine and ideal conditions for outdoor activities. This month marks a subtle shift from the cooler spring temperatures of April, while maintaining similar highs as seen in March, creating a delightful balance that invites both relaxation and exploration in this picturesque destination.

May Weather in San Andres: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in San Andres, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec555861646666656565635956
Data source: Temperature data for San Andres 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 San Andres

In May, San Andres, Mexico experiences a significant uptick in precipitation, with 190 mm (7.5 in) of rain falling over 24 days. This marks a peak in the spring months, following April's 133 mm. The pattern indicates that as the region transitions into the summer, rainfall becomes increasingly frequent and heavy, setting the stage for the wettest months of the year ahead. With May's showers not only revitalizing the landscape but also sustaining local agriculture, it serves as a crucial month in the climatic cycle. As temperatures rise, the persistent rainfall foreshadows the upcoming deluge of June, making May a vital precursor to the lush greenery that will soon envelop San Andres.

May Precipitation Trends in San Andres

The chart displays monthly precipitation patterns in San Andres, 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.
JanFebMarAprMayJunJulAugSepOctNovDec88649413319026221029133921711151
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in San Andres

In May, San Andres, Mexico experiences a slight rise in humidity, averaging 82%, which is a minor increase compared to the drier conditions of earlier months. Following the trend of gradual decrease from the 88% of January to 81% in April, May’s humidity showcases a more consistent level typical for the transition into the hotter months. This pattern sets the stage for the summer, as humidity remains steady through June and July, maintaining a comfortable atmosphere for both locals and visitors. As the year progresses, humidity will rise again towards the end, peaking in the 90% range by October, emphasizing the region's tropical climate.

May Average Humidity in San Andres

This chart illustrates the average monthly humidity levels in San Andres, 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.
JanFebMarAprMayJunJulAugSepOctNovDec88%86%84%81%82%81%81%82%86%90%91%91%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in San Andres

As summer approaches, May in San Andres, Mexico, showcases an alarming UV Index of 15, placing it firmly in the extreme exposure category, with a burn time of just 10 minutes. This month highlights a trend of steadily increasing UV levels from January's already high index of 9, escalating to extreme levels from February through June. With May standing as one of the peak months for sun exposure, it's essential to take precautions to protect your skin. As the season progresses, the UV Index dips slightly in June but remains critically high, emphasizing the need for diligent sun safety. For a comprehensive understanding of the UV trends throughout the year, visit San Andres UV Index.

Maximum UV Index Levels in San Andres for May

The chart shows the monthly maximum UV Index (UVI) for San Andres 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.
JanFebMarAprMayJunJulAugSepOctNovDec9121314151415141412108
Data source: San Andres 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 San Andres

May is a splendid time to bask in the sunshine of San Andres, Mexico, where the days grow increasingly radiant. As spring transitions to summer, May stands out with 319 hours of sunlight, marking it as one of the sunniest months of the year. This upward trend in sunshine hours is part of a delightful pattern observed from January to May, where each month consistently outshines the last, culminating in this sun-drenched experience. With the sun embracing the coastal town, visitors can expect longer days filled with warmth, making it an optimal time for outdoor adventures and relaxation by the beach.

Monthly Sunshine Duration in San Andres: May Highlighted

The May sunshine duration represents the total number of hours San Andres 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.
JanFebMarAprMayJunJulAugSepOctNovDec223h265h305h307h319h288h321h310h283h294h282h290h
Data source: San Andres May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Andres During May

In San Andres, Mexico, May brings a modest chance of sunshine, with only 35% likelihood of clear skies. Following the sunnier months of February (61%) and March (55%), the passage into May marks a shift towards more variable weather, as April dips to a 43% chance. This trend suggests that while you may catch some rays, it's crucial to stay prepared for cloudier days ahead, especially as the rainy season approaches in June, where the sunshine likelihood plummets to just 12%. So, if you're planning a May getaway, expect a fair spectrum of weather but keep that sunscreen handy for the occasional sunny break!

Percentage of Sunny Days in May in San Andres

The chart illustrates the percentage of sunny days in San Andres 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 San Andres experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec34%61%55%43%35%12%28%35%16%27%33%66%
Data source: San Andres May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Andres in May

In San Andres, Mexico, the duration of daylight exhibits a fascinating rhythmic pattern throughout the year. Beginning with 11 hours of daylight in both January and February, the days gradually lengthen as spring approaches, reaching 12 hours by March and April. The peak of daylight awaits in May and June, where the sun graces the skies for an impressive 13 hours each day, inviting outdoor activities and vibrant celebrations. As summer fades into fall, daylight begins to wane, slipping back to 12 hours in August and September before settling back to 11 hours in October and November. The year concludes with 10 hours in December, marking the shortest days. This natural ebb and flow of sunlight not only influences the lifestyle of the locals but also paints an ever-changing landscape in San Andres.

Average Daylight Hours in San Andres for May

The chart illustrates the variation in daylight duration in San Andres throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 4m11h 29m12h 2m12h 36m13h 4m13h 17m13h 10m12h 45m12h 13m11h 39m11h 10m10h 56m
Data source: San Andres daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in San Andres

In San Andres, Mexico, the month of May continues the trend of consistently mild breezes typical for early summer. With an average wind speed of 1.7 m/s (4 mph), May mirrors the gentle winds of February and August, providing a pleasant atmosphere for outdoor activities. As the season transitions, the wind speeds show a slight dip in June, dropping to 1.5 m/s (3 mph), suggesting the onset of warmer, calmer days ahead. Overall, the data indicates a stable wind pattern throughout the spring months, making May an ideal time to enjoy the region’s natural beauty without the disruptive gusts often seen in other locales.

Average May Wind Speed in San Andres

The chart displays monthly wind speed patterns in San Andres, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.71.92.01.7 m/s1.51.61.71.51.61.51.7
Data source: San Andres May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in San Andres Compares to Other Months

The weather in San Andres 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 Andres and find detailed weather information for every month.

May and January present strikingly different weather conditions. In May, temperatures range from a minimum of 11°C (52°F) to a maximum of 30°C (86°F), with an average of 19°C (67°F). This month experiences a higher average humidity of 82% and significantly more precipitation, totaling 190 mm (7.5 in) over 24 days. In contrast, January sees cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 27°C (81°F), averaging 13°C (55°F). The precipitation in January is considerably lower at 88 mm (3.5 in) over just 11 days, but it does have a slightly higher humidity level at 88%. For a more in-depth look at the January weather, you can check out San Andres weather in January.

May and February offer contrasting weather experiences. In May, temperatures range from a minimum of 11°C (52°F) to a maximum of 30°C (86°F), with an average temperature of 19°C (67°F). The month sees significant rainfall, totaling 190 mm (7.5 in) over 24 days, along with a humidity level of 82%. In contrast, February presents milder conditions, with temperatures starting at a minimum of 2°C (36°F) and reaching up to 30°C (86°F), and an average of 15°C (58°F). February is notably drier, with only 64 mm (2.5 in) of precipitation occurring over 10 days, while humidity is slightly higher at 86%. For a closer look at February's weather, you can explore San Andres weather in February.

In comparing the weather between March and May, one can observe a notable transition as spring progresses to early summer. March boasts a minimum temperature of 5°C (41°F) and an average of 16°C (61°F), while May sees a warmer minimum at 11°C (52°F) and an average of 19°C (67°F). Interestingly, both months can reach the same maximum temperature of 30°C (86°F). Rainfall is more pronounced in May with 190 mm (7.5 in) over 24 days, compared to March's 93 mm (3.7 in) across 14 days. Humidity remains relatively high in both months, with March at 84% and May slightly lower at 82%. For more details on March weather specifics, visit San Andres weather in March.

In comparing the weather between April and May, we notice that May brings slightly warmer conditions, with an average temperature of 19°C (67°F) compared to April's average of 18°C (65°F). Although May features a higher maximum temperature of 30°C (86°F) against April's peak of 31°C (88°F), it also tends to experience more precipitation, with 190 mm (7.5 in) over 24 days, compared to April's 133 mm (5.2 in) over 20 days. Both months see similar humidity levels, with May at 82% and April at 81%. For a closer look at the specific weather conditions in April, you can visit San Andres weather in April.

In May, the weather features a minimum temperature of 11°C (52°F) and a maximum of 30°C (86°F), with an average of 19°C (67°F). However, this month is quite rainy, with 190 mm (7.5 in) of precipitation over 24 days and a humidity level of 82%.

In contrast, June sees a slight increase in the minimum temperature to 12°C (53°F) and a decrease in the maximum temperature, which reaches 28°C (83°F), while the average remains similar at 19°C (66°F). This month experiences even more rainfall, totaling 262 mm (10.3 in) over 28 days, with humidity slightly dropping to 81%. For a closer look at weather details, you can check San Andres weather in June.

May and July present distinct weather patterns, with May typically offering warmer temperatures, ranging from a minimum of 11°C (52°F) to a maximum of 30°C (86°F) and an average of 19°C (67°F). In contrast, July's temperatures are slightly cooler, with a minimum of 12°C (54°F), an average of 18°C (65°F), and a maximum of 26°C (78°F). Both months experience significant rainfall, but July sees slightly more, with 210 mm (8.3 in) compared to May’s 190 mm (7.5 in), and July also has more rainy days, totaling 28 compared to May’s 24. Humidity levels are very similar, with May at 82% and July at 81%. For a detailed look at July’s weather, you can visit San Andres weather in July.

May and August present distinct weather patterns, with May generally being warmer and drier than August. In May, temperatures range from a minimum of 11°C (52°F) to a maximum of 30°C (86°F), with an average of 19°C (67°F). The month experiences considerable rainfall, totaling 190 mm (7.5 in) over 24 days, while maintaining a humidity level of 82%. In contrast, August features cooler temperatures, with a minimum of 12°C (54°F) and a maximum of 26°C (79°F), averaging around 18°C (65°F). This month also sees increased precipitation at 291 mm (11.4 in) over 30 days, yet it shares the same high humidity of 82%. For a closer look at the climate specifics, check San Andres weather in August.

May and September exhibit notable differences in weather patterns, particularly in temperature and precipitation. In May, temperatures range from a minimum of 11°C (52°F) to a maximum of 30°C (86°F), with an average of 19°C (67°F). The month sees around 190 mm (7.5 in) of precipitation over 24 days, accompanied by a humidity level of 82%. Conversely, September experiences slightly cooler temperatures, with a minimum of 10°C (50°F) and a maximum of 27°C (81°F), averaging 18°C (65°F). This month also brings increased rainfall, totaling approximately 339 mm (13.3 in) spread over 28 days, along with a higher humidity level of 86%. For more detailed insights, check out San Andres weather in September.

May typically offers warmer temperatures, with average highs reaching 30°C (86°F) and lows around 11°C (52°F). In contrast, October features a cooler climate, with average highs of 27°C (81°F) and lows dropping to 9°C (48°F). Despite May's warmer temperatures, it experiences significant rainfall, with 190 mm (7.5 in) over 24 days, while October sees even more precipitation at 217 mm (8.5 in) across the same number of days. Additionally, October's humidity is slightly higher at 90%, compared to May's 82%. For a more detailed look at October weather, check out San Andres weather in October.

May and November showcase distinct weather patterns, reflecting the transition from spring to late autumn. In May, temperatures range from a mild 11°C (52°F) at night to a warm 30°C (86°F) during the day, with an average of 19°C (67°F). The month experiences significant precipitation, totaling 190 mm (7.5 in) over 24 days, accompanied by 82% humidity. In contrast, November brings cooler temperatures, with lows of 2°C (36°F) and highs reaching 25°C (78°F), averaging 15°C (59°F). Although it is generally drier, November still sees some rainfall, accumulating 111 mm (4.4 in) across 14 days, with slightly higher humidity at 91%. For more details, you can check San Andres weather in November.

May and December present distinctly different weather patterns. In May, temperatures range from a mild 11°C (52°F) at night to a warm 30°C (86°F) during the day, accompanied by significant rainfall of 190 mm (7.5 in) spread over 24 days, leading to high humidity levels of 82%. In contrast, December brings cooler temperatures, with minimums dropping to 0°C (32°F) and daily highs reaching 25°C (77°F). Precipitation is much lower at 51 mm (2.0 in), occurring over just 9 days, and humidity slightly increases to 91%. For more detailed insights about December weather, check out San Andres weather in December.

Compare San Andres's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in San Andres

As May unfolds in San Andres, the weather transitions to a warmer and more humid phase, setting it apart from the chillier months that precede it. With temperatures peaking at a delightful 30°C, May casts a vibrant ambiance, though it also welcomes an increase in precipitation, with rain gracing nearly every other day. The lushness that emerges from this combination of warmth and moisture showcases the beauty of the region during late spring. For those curious about how these conditions might influence their visit or activities, further insights can be found at San Andres Climate.