May Weather in San Lucas, Mexico

Last updated: April 22, 2025

May in San Lucas, Mexico offers a vibrant blend of warm temperatures and refreshing rainfall. With maximum temperatures reaching 36°C (96°F) and an average of 26°C (78°F), visitors can expect a taste of summer. However, the month's charm is complemented by frequent showers, totaling 159 mm (6.2 in) of precipitation over 20 days, nurturing the lush surroundings. The average humidity of 64% adds a touch of tropical comfort, making May an ideal time to explore the region's natural beauty, even amidst the occasional rain.

May Temperature in San Lucas

In May, San Lucas, Mexico, experiences a delightful transition into warmer weather, with temperatures ranging from a minimum of 18°C (64°F) to a peak of 36°C (96°F). The average temperature settles at a comfortable 26°C (78°F), making it perfect for sun-seekers and outdoor adventurers alike. Compared to the previous months, May marks a noticeable increase in warmth, particularly as the daily maximums creep up to levels reminiscent of summer. The slight rise in nighttime temperatures reflects a cozy atmosphere, inviting visitors to enjoy the vibrant nights under the stars. With its enticing blend of sunny days and balmy evenings, May is a fantastic time to soak in all that San Lucas has to offer.

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

The chart illustrates May temperature patterns in San Lucas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec707376787876767675747270
Data source: Temperature data for San Lucas 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 Lucas

In May, San Lucas experiences a significant shift in its precipitation patterns, marking the onset of the wet season. With 159 mm (6.2 in) of rain over 20 days, May stands out as a month of abundant moisture, dwarfed only by June's peak. This considerable increase from the previous months, where rainfall was sparse—peaking at 30 mm (1.2 in) in April—highlights the transition into a lush, verdant period. The frequent rainy days not only contribute to the region's vibrant ecosystems but also signal the importance of this month for local agriculture, setting the stage for fruitful growing conditions ahead. The rainfall dynamics clearly suggest a rhythmic pattern of dry to wet, underscoring May's pivotal role in San Lucas's climatic narrative.

May Precipitation Trends in San Lucas

The chart displays monthly precipitation patterns in San Lucas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1159301593191522243032813617
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in San Lucas

In May, the humidity in San Lucas, Mexico averages around 64%, a noticeable rise from the more arid months of April. This gradual increase in moisture is part of a broader trend, as the region transitions from the drier spring into the summer months. While May's humidity is a touch lower than that of June, which sees a noticeable spike to 69%, it sets the stage for the sweltering summer ahead. Interestingly, the humidity levels will soon climb significantly, peaking in the late summer months of July and August, which experience values soaring to 82% and 87% respectively. This pattern highlights the cyclical climate of San Lucas, where the balmy beginnings of summer swiftly give way to the intense humidity that characterizes the latter half of the season.

May Average Humidity in San Lucas

This chart illustrates the average monthly humidity levels in San Lucas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec83%76%66%59%64%69%82%87%87%88%88%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in San Lucas

May in San Lucas, Mexico, continues the trend of extreme UV exposure, with a consistent UV Index of 14 and a burn time of just 10 minutes. This month marks the end of a pattern that began in February, where the UV Index has steadily remained high, peaking at 15 in July. With each passing month, the sun's rays become more intense, making sun protection essential for outdoor activities. As you enjoy the beautiful surroundings, remember to take precautions to protect your skin. For more detailed information, check the San Lucas UV Index.

Maximum UV Index Levels in San Lucas for May

The chart shows the monthly maximum UV Index (UVI) for San Lucas 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.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141415131312109
Data source: San Lucas 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 Lucas

May in San Lucas, Mexico, shines brightly with 316 hours of sunshine, continuing the trend of abundant sunlight that characterizes the spring months. As spring transitions into summer, the sunshine hours barely dip from April's peak of 313 hours, hinting at an ideal climate for outdoor activities. Interestingly, this month falls in line with the upward trend observed from January through March, where sunshine hours steadily increased from 247 hours to an impressive 322 hours in March. Following May, the summer months bring a slight decrease in sunshine, yet the consistent number of sunlit hours throughout the year—ranging from 247 to 322—highlights San Lucas as a vibrant destination for sunseekers. Whether you’re lounging by the beach or exploring local attractions, May's sunshine is a delightful precursor to the adventurous summer that lies ahead.

Monthly Sunshine Duration in San Lucas: May Highlighted

The May sunshine duration represents the total number of hours San Lucas 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.
JanFebMarAprMayJunJulAugSepOctNovDec247h282h322h313h316h275h322h311h288h291h302h309h
Data source: San Lucas May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Lucas During May

In San Lucas, Mexico, the chance of sunny weather takes a notable dip in May, with only a 32% likelihood of clear skies. This decrease follows a pattern where the earlier months, especially February at 85% and March at 76%, enjoy significantly sunnier conditions. As the region transitions into late spring and early summer, the trend shifts, showcasing a gradual decline in sunny days leading into June, which plummets to just 13%. May stands as a pivotal month; while it marks the start of warmer, tropical weather, it also signals the onset of a wetter season. So, if you're planning a visit, be prepared for a mix of sun and occasional showers!

Percentage of Sunny Days in May in San Lucas

The chart illustrates the percentage of sunny days in San Lucas 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 Lucas experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec59%85%76%56%32%13%24%20%18%36%59%76%
Data source: San Lucas May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Lucas in May

In San Lucas, Mexico, the daylight duration shows a fascinating rhythm throughout the year. Starting from 11 hours in January and February, the days gradually extend to 12 hours in both March and April, maintaining this length in May. As summer approaches, daylight peaks at 13 hours in June, allowing for longer evenings filled with warmth and activity. Following this peak, the duration settles back to 12 hours from July through September, creating a consistent pattern before tapering off to 11 hours again in October, November, and December. This cyclical change not only marks the shift of seasons but also invites locals and visitors alike to enjoy the dynamic beauty of daylight in this vibrant region.

Average Daylight Hours in San Lucas for May

The chart illustrates the variation in daylight duration in San Lucas throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 15m11h 35m12h 2m12h 30m12h 53m13h 5m12h 58m12h 38m12h 11m11h 44m11h 20m11h 8m
Data source: San Lucas daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in San Lucas

In San Lucas, Mexico, May brings a gentle breeze, with average wind speeds dipping to 1.2 m/s (3 mph), marking it as one of the calmer months of the year. This slight decrease follows the overall trend observed from April, where winds averaged 1.6 m/s (4 mph), and continues into the quieter months of June and July, which also see modest wind speeds around 1.0 to 1.3 m/s (2-3 mph). Throughout the year, the winds tend to be mild, with the breeziest months consistently hitting speeds of around 1.8 m/s (4 mph) in March. As summertime approaches, the wind's softness creates an inviting atmosphere for relaxation and outdoor activities, making May a serene escape.

Average May Wind Speed in San Lucas

The chart displays monthly wind speed patterns in San Lucas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.61.81.61.2 m/s1.01.31.21.11.31.61.4
Data source: San Lucas May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in San Lucas Compares to Other Months

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

May and January exhibit distinct weather patterns, showcasing the warmth of late spring contrasted with the cooler beginning of the year. May boasts higher temperatures, ranging from a minimum of 18°C (64°F) to a maximum of 36°C (96°F), while January’s temperatures are milder, with a minimum of 10°C (51°F) and a maximum of 32°C (90°F). Additionally, May sees a significant increase in precipitation, experiencing 159 mm (6.2 in) over 20 days, compared to January's mere 11 mm (0.4 in) over just 3 days. January is also marked by higher humidity levels at 83%, while May maintains a lower humidity of 64%. For more details about January weather, you can visit San Lucas weather in January.

In comparing the weather between May and February, May typically sees warmer temperatures with a minimum of 18°C (64°F) and a maximum of 36°C (96°F), averaging around 26°C (78°F). This month also experiences higher precipitation, totaling 159 mm (6.2 in) over 20 days, resulting in a humidity level of 64%. In contrast, February offers milder conditions with a minimum temperature of 11°C (52°F) and a maximum of 34°C (93°F), averaging 23°C (73°F). Notably, February is much drier, receiving only 5 mm (0.2 in) of rain on just 1 day, though it does have a higher humidity level of 76%. For more detailed information on February's weather, you can check San Lucas weather in February.

In comparing the weather of May and March, May tends to be notably warmer and wetter. May's temperatures range from a minimum of 18°C (64°F) to a maximum of 36°C (96°F), with an average of 26°C (78°F), while March features a slightly cooler range, with temperatures varying from 14°C (58°F) to 35°C (94°F) and an average of 24°C (76°F). Precipitation levels also differ significantly; May receives 159 mm (6.2 in) over 20 days, compared to March, which only sees 9 mm (0.3 in) across just 2 days. Humidity levels are relatively close, with March at 66% and May at 64%. For more detailed insights, you can check San Lucas weather in March.

In comparing the weather between April and May, we see some notable differences. May experiences warmer temperatures overall, with a minimum of 18°C (64°F) and a maximum reaching 36°C (96°F), while April's temperatures range from a minimum of 14°C (58°F) to a maximum of 35°C (96°F). Both months have similar average temperatures, around 26°C (78°F), but May is significantly wetter, receiving 159 mm (6.2 in) of precipitation over 20 days, compared to April's 30 mm (1.2 in) over just 5 days. Additionally, humidity in May is slightly higher at 64%, compared to April's 59%. For more detailed insights on April's weather, you can check San Lucas weather in April.

In comparing the weather of May and June, we can observe some distinct differences. May features warmer temperatures, with an average high of 36°C (96°F) compared to June's maximum of 33°C (93°F). Additionally, May sees a lower level of precipitation at 159 mm (6.2 in) over approximately 20 days, while June experiences a significant increase in rainfall, totaling 319 mm (12.6 in) over 26 days. Humidity levels also rise slightly in June, averaging 69% compared to 64% in May. For more detailed information, you can visit San Lucas weather in June.

In comparing the weather of May and July, May typically enjoys slightly warmer temperatures, with an average of 26°C (78°F) compared to July's average of 25°C (76°F). Both months experience similar minimum temperatures of 18°C (64°F), but July sees a cooler maximum temperature of 34°C (93°F) compared to May's high of 36°C (96°F). Precipitation is fairly consistent, with May receiving 159 mm (6.2 in) and July 152 mm (6.0 in), both spread over approximately 20 days. However, July is characterized by a higher humidity level at 82%, in contrast to May's 64%, making the air feel more humid and warmer. For more insights into July's weather patterns, check out San Lucas weather in July.

In comparing the weather between May and August, one can observe notable differences in temperature and humidity. May features a wider temperature range, with an average of 26°C (78°F) and maximum temperatures reaching up to 36°C (96°F), while August's temperatures are generally cooler, averaging 24°C (76°F) with a maximum of 33°C (91°F). Additionally, May tends to be less humid at 64%, whereas August sees a significant increase in humidity to 87%. Precipitation also rises in August, with 224 mm (8.8 in) over 24 days compared to May's 159 mm (6.2 in) over 20 days. For more in-depth information, you can refer to San Lucas weather in August.

May and September present distinctly different weather characteristics. In May, temperatures range from a minimum of 18°C (64°F) to a maximum of 36°C (96°F), with an average of 26°C (78°F). This month sees moderate precipitation at 159 mm (6.2 in) over 20 days, accompanied by a humidity level of 64%. In contrast, September experiences slightly cooler temperatures, with a minimum of 18°C (65°F), average of 24°C (75°F), and a maximum of 32°C (91°F). However, it is marked by significantly higher rainfall, totaling 303 mm (11.9 in) across 27 days, and increased humidity at 87%. For more detailed insights, visit San Lucas weather in September.

In May, temperatures typically range from a minimum of 18°C (64°F) to a maximum of 36°C (96°F), with an average of 26°C (78°F). The month experiences significant rainfall, totaling 159 mm (6.2 in) over about 20 days, accompanied by a humidity level of 64%. In contrast, October sees slightly cooler temperatures, with a minimum of 16°C (61°F) and a maximum of 31°C (89°F), averaging 23°C (74°F). However, it also brings heavier precipitation, measuring 281 mm (11.1 in) across approximately 22 days, and a much higher humidity of 88%. The contrasting weather patterns highlight the transition from the warmer, drier days of May to the cooler, wetter climate of October. For more details, check the San Lucas weather in October.

May and November present contrasting weather patterns. In May, temperatures range from a minimum of 18°C (64°F) to a scorching maximum of 36°C (96°F), with an average temperature of 26°C (78°F). This month also sees significant rainfall, accumulating to 159 mm (6.2 in) over approximately 20 days, alongside a humidity level of 64%. In contrast, November experiences cooler temperatures, with a minimum of 13°C (55°F) and a maximum of 31°C (87°F), averaging at 22°C (72°F). Rainfall is considerably less, with only 36 mm (1.4 in) over about 9 days, but humidity is higher at 88%. For more detailed information about November weather, check San Lucas weather in November.

May and December showcase contrasting weather patterns. In May, temperatures range from a minimum of 18°C (64°F) to a scorching maximum of 36°C (96°F), with an average of 26°C (78°F). With 159 mm (6.2 in) of precipitation spread over 20 days, the month is quite humid at 64%. In contrast, December is milder, with temperatures dropping to a minimum of 10°C (50°F) and a maximum of 31°C (87°F), yielding an average of 21°C (71°F). This month experiences significantly less rainfall, with only 17 mm (0.7 in) over just 2 days, although it comes with higher humidity at 88%. For more detailed weather information, check San Lucas weather in December.

Compare San Lucas's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in San Lucas

As May rolls in, San Lucas experiences a vibrant shift in weather, characterized by warmer temperatures and increased humidity. While the days can sizzle with highs reaching 36°C, the overall average remains a comfortable 26°C. Unlike earlier months, May witnesses a noticeable uptick in precipitation, with about 20 days seeing rain, contributing to a humid atmosphere that can make the heat feel more intense. This blend of warmth and moisture sets the stage for lush landscapes, making it a unique time to explore the beauty of San Lucas. For a more detailed look at the seasonal changes, visit San Lucas Climate.