May Weather in San Andres, Mexico

Last updated: April 22, 2025

Experience the vibrant weather of San Andres, Mexico in May, where temperatures soar to a maximum of 38°C (100°F), bringing a warm embrace to the sun-soaked days. The average temperature rests comfortably at 24°C (75°F), while cool nights can dip to a refreshing 9°C (49°F). Rainfall is minimal, with only 12 mm (0.5 in) of precipitation across just 2 days, allowing for plenty of sunshine and outdoor adventures. With humidity hovering around 51%, the climate is ideal for enjoying the stunning landscapes and rich culture of this coastal paradise.

May Temperature in San Andres

In May, San Andres, Mexico, ushers in warmer temperatures, marking a transition into the hotter summer months. With a minimum of 9°C (49°F) and a noticeable rise in the average temperature to 24°C (75°F), this month welcomes more sunshine and outdoor activities. The maximum temperature peaks at an impressive 38°C (100°F), indicating that May is a month of bright, balmy days perfect for enjoying the beach or exploring the vibrant local culture. As temperatures trend upward from earlier months, visitors can expect a delightful blend of warmth and comfort, setting the stage for an exhilarating summer experience ahead.

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.
JanFebMarAprMayJunJulAugSepOctNovDec636569727575727271716763
Data source: Temperature data for San Andres generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in San Andres

In May, San Andres experiences a noticeable uptick in precipitation, with 12 mm (0.5 in) of rainfall recorded over two days. This marks a slight increase compared to the previous months, where rain was sparse, with April recording just 1 mm. As the region shifts into the rainy season, the frequency and intensity of rainfall are set to rise significantly in the following months, with June expected to bring 78 mm (3.1 in) over 12 days. Thus, May serves as a gentle prelude to the heavier, more consistent showers of summer, hinting at the climatic transition that awaits.

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.
JanFebMarAprMayJunJulAugSepOctNovDec1419211278180165191741517
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in San Andres

In May, the humidity in San Andres, Mexico, reaches 51%, marking a slight increase from the dry conditions experienced in the preceding months. After a gradual decline from 64% in January to just 42% in April, May offers a welcome moderation in moisture levels that pave the way for warmer summer days. This uptick in humidity is essential for the lush greenery that characterizes the region, setting the stage for the much higher humidity levels that follow in June and throughout the summer months, which can soar as high as 84% by September. Thus, May serves as a transitional month, balancing the crispness of early spring with the impending tropical humidity that defines the summer in San Andres.

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.
JanFebMarAprMayJunJulAugSepOctNovDec64%57%46%43%51%74%79%81%84%75%71%74%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in San Andres

In May, the UV Index in San Andres, Mexico, remains at a striking 14, categorizing it as extreme and necessitating a swift 10-minute burn time for unprotected skin. This trend of high UV exposure peaks in April and May before slightly easing in June. With continuous readings of 13 and 14 from February to June, sun safety is paramount during these months. Travelers and locals alike should be prepared with effective sun protection strategies to enjoy the radiant sun safely. For more insights on UV levels 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.
JanFebMarAprMayJunJulAugSepOctNovDec9111314141313131312108
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 brings an impressive 350 hours of sunshine to San Andres, Mexico, marking it as the sunniest month of the year. This delightful trend builds on a steady increase from January's 232 hours to April's 329 hours, showcasing a vibrant transition into the summer season. After reaching this peak, the hours of sunshine gradually dip through the warmer months of June and July, though they remain significantly above the winter months. With May’s abundant sunshine, it's no wonder that this month is a favorite for visitors seeking to bask in the warm glow of San Andres. The consistent rise in daylight not only enhances the beauty of this coastal destination but also invites endless outdoor adventures and relaxation under the radiant sky.

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.
JanFebMarAprMayJunJulAugSepOctNovDec232h264h320h329h350h312h299h294h271h281h280h279h
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

As May approaches in San Andres, Mexico, the likelihood of sunny weather remains relatively high at 72%, marking a transition from the brighter days of March, which boasts an impressive 80% chance of sunshine. This slight dip is notable when compared to April's 70%, suggesting that May continues to embrace the warmth of spring before the rainy season takes hold in the following months. With June's chance of sun plunging to a mere 25%, May offers a delightful opportunity to enjoy the outdoors, making it an ideal time for visitors to soak up the sun while it lasts. Overall, the month stands out as a bright spot in the year, merging beautiful sunny days with the onset of summer.

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.
JanFebMarAprMayJunJulAugSepOctNovDec60%78%80%70%73%25%12%18%18%34%57%64%
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.
JanFebMarAprMayJunJulAugSepOctNovDec11h11h 27m12h 2m12h 37m13h 7m13h 21m13h 14m12h 47m12h 13m11h 37m11h 7m10h 52m
Data source: San Andres daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in San Andres

May in San Andres, Mexico, typically experiences a gentle average wind speed of 1.8 m/s (4 mph). This month marks a subtle decline from the breezy conditions of the previous months, April and March, both registering similar speeds of 1.9 m/s (4 mph). As spring transitions into early summer, May maintains a comfortable airflow that complements the rise in temperature, providing a pleasant environment for both locals and visitors. Following May, the winds tend to taper off gradually, with June seeing a slight decrease to 1.5 m/s (3 mph). Overall, May serves as a sweet spot where wind speeds remain relatively stable, striking a balance between the briskness of early spring and the calmer waters of late spring.

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.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.61.91.91.8 m/s1.51.11.21.11.31.41.3
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 notably different weather patterns. In May, temperatures soar with a minimum of 9°C (49°F) and an average reaching up to 24°C (75°F), peaking at a sweltering 38°C (100°F). The month experiences relatively low precipitation, with just 12 mm (0.5 in) over about 2 days, accompanied by a comfortable humidity level of 51%. In contrast, January brings cooler temperatures, showcasing a minimum of 3°C (37°F) and an average of 17°C (63°F), with a maximum of 31°C (88°F). While it receives slightly more rainfall at 14 mm (0.5 in) also over 2 days, the humidity is higher at 64%. For a more detailed view, check out San Andres weather in January.

In comparing the weather between May and February, May generally offers warmer temperatures, with an average high of 24°C (75°F) compared to February's 18°C (65°F). However, February tends to be slightly cooler at night, with a minimum temperature of 5°C (41°F) versus May's 9°C (49°F). Precipitation is more prevalent in February, with 19 mm (0.8 in) of rainfall compared to just 12 mm (0.5 in) in May, although both months experience approximately two days of rain. Additionally, February has higher humidity at 57%, compared to May's 51%. For more detailed information, you can view the San Andres weather in February.

May generally showcases warmer weather compared to March, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 38°C (100°F), displaying an average temperature of 24°C (75°F). In contrast, March has slightly cooler temperatures, with a minimum of 7°C (44°F), an average of 21°C (70°F), and a maximum of 35°C (95°F). Precipitation is also more prevalent in May, with 12 mm (0.5 in) falling over 2 days, while March enjoys a drier climate, experiencing only 2 mm (0.1 in) of rain without any rainy days. Despite this, March maintains a slightly lower humidity level at 46%, compared to May's 51%. For more details, you can check San Andres weather in March.

In comparing the weather between April and May, we see a notable increase in temperatures. April features a minimum of 8°C, an average of 22°C, and a maximum of 36°C with very little precipitation at 1 mm and no rainy days. In contrast, May warms up significantly, starting with a minimum of 9°C, an average of 24°C, and peaking at 38°C. Additionally, May experiences slightly more precipitation, totaling 12 mm over two days, coupled with a rise in humidity to 51%. For a more detailed look at April's weather, you can check out San Andres weather in April.

Comparing the weather in May and June reveals some notable differences. In May, temperatures range from a cool 9°C (49°F) to a warm 38°C (100°F), with an average of 24°C (75°F) and minimal precipitation of just 12 mm (0.5 in) over about 2 days. Humidity levels are moderate at 51%. In contrast, June sees slightly higher minimum temperatures at 12°C (54°F) and a peak of 39°C (102°F), with the average remaining similar at 24°C (76°F). However, June is significantly wetter, recording 78 mm (3.1 in) of rainfall over 12 days and higher humidity at 74%. For more details on June weather, check out San Andres weather in June.

In comparing the weather of May and July, May experiences a broader temperature range, with minimums as low as 9°C (49°F) and maximums reaching up to 38°C (100°F). The month typically enjoys an average temperature of 24°C (75°F) and only sees minor precipitation, with just 12 mm (0.5 in) over 2 days and a relatively comfortable humidity level of 51%. In contrast, July presents a milder average temperature of 22°C (72°F) and a maximum of 33°C (92°F). However, it is significantly wetter, with precipitation amounting to 180 mm (7.1 in) spread across 25 days, resulting in higher humidity levels at 79%. For more detailed insights, you can read about the weather in July here.

May features warmer temperatures, with a minimum of 9°C (49°F) and an average high reaching 38°C (100°F), while precipitation is relatively low at just 12 mm (0.5 in) over two days. In contrast, August presents milder temperatures, with a minimum of 15°C (59°F) and an average maximum of 32°C (91°F), but it experiences significantly higher rainfall of 165 mm (6.5 in) across 25 days, leading to much higher humidity levels at 81%. Thus, while May offers hot and dry weather, August turns much wetter and cooler. For more detailed insights, you can check the San Andres weather in August.

May and September present distinctly different weather patterns. In May, temperatures range from a cool 9°C at night to a warm average of 24°C, peaking at 38°C, with only minimal precipitation of 12 mm over just 2 days and a moderate humidity level of 51%. In contrast, September brings a more humid atmosphere with minimum temperatures at 16°C and an average of 22°C, while maximum temperatures reach 32°C. The month is also marked by a significant increase in rainfall, totaling 191 mm over 23 days, resulting in much higher humidity levels at 84%. For more details on weather during this period, visit San Andres weather in September.

In May, the weather is typically warm, with temperatures ranging from a minimum of 9°C (49°F) to a scorching maximum of 38°C (100°F), while averaging around 24°C (75°F). The month receives only 12 mm (0.5 in) of precipitation over about 2 days, making it relatively dry with a humidity level of 51%. In contrast, October experiences cooler temperatures, with lows of 11°C (53°F) and highs reaching up to 33°C (91°F), averaging 22°C (71°F). This month is significantly wetter, accumulating 74 mm (2.9 in) of rainfall over approximately 10 days and exhibiting a higher humidity of 75%. For more detailed information, check out San Andres weather in October.

In May, temperatures are typically warmer, ranging from a minimum of 9°C (49°F) to a maximum of 38°C (100°F), with an average of 24°C (75°F). The month experiences minimal precipitation, with only 12 mm (0.5 in) over about 2 days and a relatively low humidity of 51%. In contrast, November sees cooler average temperatures, with a minimum of 8°C (47°F) and a maximum of 33°C (92°F), averaging around 20°C (68°F). The precipitation increases slightly to 15 mm (0.6 in), while humidity rises to 71%. For more detailed insights on the November weather, check out San Andres weather in November.

In May, the weather tends to be warm and dry, with temperatures ranging from a minimum of 9°C (49°F) to a scorching maximum of 38°C (100°F), and an average of 24°C (75°F). The humidity is relatively comfortable at 51%, with only a couple of days of light precipitation totaling 12 mm (0.5 in). In contrast, December experiences cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 30°C (86°F), averaging around 17°C (63°F). This month also sees slightly higher humidity at 74% and increased precipitation, reaching 17 mm (0.7 in) over the same two-day period. For more detailed information on December weather, you can visit 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 becomes a delightful preview of summer with noticeably warmer temperatures, peaking at a sizzling 38°C (100°F) and averaging a comfortable 24°C (75°F). Compared to the cooler earlier months, May introduces a more stabilized climate, with only a couple of days of light precipitation and an inviting humidity level of 51%. This makes it the perfect time to enjoy outdoor activities and bask in the vibrant scenery. For those curious about how this month fits into the broader seasonal patterns, be sure to check out our detailed page on the San Andres Climate.