May Weather in La Union, Mexico

Last updated: April 22, 2025

In May, La Union, Mexico, experiences a warm and dry climate, with maximum temperatures soaring to 38°C (100°F) and an average of 25°C (78°F), offering ideal conditions for outdoor activities. The minimum temperature dips to a comfortable 16°C (61°F) at night, ensuring pleasant evenings. Notably, the region boasts zero precipitation and humidity levels around 47%, contributing to a clear blue sky and abundant sunshine throughout the month. This delightful weather makes May a perfect time to explore La Union's stunning landscapes and vibrant culture.

May Temperature in La Union

May marks a significant transition in La Union, Mexico, heralding the arrival of warmer days. With minimum temperatures rising to 16°C (61°F) and an average hitting 25°C (78°F), the month sets the stage for the heat of summer. As the thermometer soars to a maximum of 38°C (100°F), it becomes clear that May is not just a prelude to the hotter months ahead; it’s a showcase of the region’s tropical charm. This steady increase from the cooler April temperatures invites both locals and travelers to bask in the sunshine, enjoy outdoor activities, and indulge in refreshing coastal escapades, all while savoring the vibrant culture that La Union has to offer. As the temperatures climb, so does the spirit of exploration and relaxation in this beautiful coastal haven.

May Weather in La Union: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in La Union, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec646568737884878886837466
Data source: Temperature data for La Union 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 La Union

In La Union, Mexico, the month of May marks a striking break in the precipitation pattern, as it records 0 mm of rain and 0 precipitation days. This dry spell follows a relatively dry April, which also saw no rainfall, creating a stark contrast to the wetter months ahead. As spring transitions into summer, the landscape remains parched, setting the stage for increased rainfall starting in June. This trend suggests that while May remains arid, the early summer months often bring a resurgence of moisture, with June typically seeing an uptick in precipitation, hinting at the dynamic seasonal shifts that characterize the region's climate.

May Precipitation Trends in La Union

The chart displays monthly precipitation patterns in La Union, 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.
JanFebMarAprMayJunJulAugSepOctNovDec13950018367377202816
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in La Union

In May, La Union, Mexico experiences a notable dip in humidity, with levels dropping to 47%—the lowest of the year. This reduction continues the downward trend from the more humid spring months, where January starts at 74% and gradually decreases to 51% in April. As summer approaches in June, humidity rises slightly to 50% but remains significantly lower than the peak levels seen during the rainy season of late summer, where August and September reach a high of 81% and 82%, respectively. Overall, May serves as a transitional month, characterized by more comfortable and less muggy conditions, appealing for those looking to enjoy the region’s beauty without the oppressive humidity of the latter summer months.

May Average Humidity in La Union

This chart illustrates the average monthly humidity levels in La Union, 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.
JanFebMarAprMayJunJulAugSepOctNovDec75%67%60%51%47%50%70%82%82%78%78%81%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in La Union

In May, La Union, Mexico, experiences a UV Index of 12, categorized as extreme and requiring just 10 minutes of unprotected sun exposure before burning occurs. This trend reflects a growing intensity of UV radiation as the months progress from January through April, where the UV Index consistently elevates. As summer approaches, the UV levels remain high, mirroring those of April, suggesting that outdoor enthusiasts should take extra precautions to protect their skin during this month. With consistent extreme UV conditions extending into June and beyond, planning sun safety is more critical than ever. For detailed insights, check out the La Union UV Index.

Maximum UV Index Levels in La Union for May

The chart shows the monthly maximum UV Index (UVI) for La Union 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.
JanFebMarAprMayJunJulAugSepOctNovDec68101212121212121075
Data source: La Union 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 La Union

May in La Union, Mexico, shines particularly bright with an impressive 364 hours of sunshine, marking the pinnacle of the year. This peak follows a steady climb from 220 hours in January to 325 hours in April, showcasing a delightful transition into the warmer months. As summer unfolds, sunshine hours remain abundant, though slightly tapering off from May's zenith to 356 hours in June and 341 hours in July. August continues this trend with 326 hours, revealing a consistent summer sun. Autumn ushers in a gradual decline, with September seeing 298 hours, but the allure of La Union's sun remains compelling throughout the year. Overall, the sunshine hours create a vibrant tapestry of light, making May a truly radiant gem in the coastal paradise.

Monthly Sunshine Duration in La Union: May Highlighted

The May sunshine duration represents the total number of hours La Union 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.
JanFebMarAprMayJunJulAugSepOctNovDec220h255h299h325h364h356h341h326h298h303h266h263h
Data source: La Union May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in La Union During May

In La Union, Mexico, May emerges as a standout month for sunshine, boasting a 79% chance of clear skies. This notable increase follows a steady rise in sunny days as the year progresses, with April at 72% and January starting the year at 70%. After May, the likelihood of sunny weather dips significantly in the summer months of June and July, where it plummets to 70% and 45%, respectively. The trend reveals that as spring unfolds, so does the promise of beautiful, sunlit days, making May an ideal time for outdoor adventures and soaking up the vibrant atmosphere of this coastal paradise.

Percentage of Sunny Days in May in La Union

The chart illustrates the percentage of sunny days in La Union 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 La Union experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec70%58%67%72%79%70%45%44%60%84%69%53%
Data source: La Union May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in La Union in May

In La Union, Mexico, the evolution of daylight duration throughout the year reveals a captivating rhythm influenced by the changing seasons. Starting in January, the days are short with only 10 hours of sunlight, gradually increasing to a pleasant 12 hours by March and April. May marks a peak in the return of brightness, boasting 13 hours of daylight that continues seamlessly through the summer months of June, July, and August. As September arrives, a gentle decline begins, returning to 12 hours of daylight. The shorter days reemerge in October, followed by a return to 10 hours each in November and December, bringing the cycle full circle. This shift not only defines the seasons but also enhances the rich experiences of life in this sun-kissed region, inviting residents and visitors alike to enjoy the longer days of spring and summer.

Average Daylight Hours in La Union for May

The chart illustrates the variation in daylight duration in La Union throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 39m11h 15m12h 1m12h 48m13h 27m13h 46m13h 36m13h 1m12h 16m11h 29m10h 48m10h 28m
Data source: La Union daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in La Union

In La Union, Mexico, the winds of May offer a pleasant and steady breeze, averaging 3.0 m/s (7 mph). This month stands out as a transitional period, having only a slight dip from April’s peak wind speed of 3.1 m/s (7 mph). As spring gently transitions into summer, the winds begin to pick up, with June seeing a rise to 3.4 m/s (8 mph). Overall, the trend from late winter through early summer highlights a gradual increase in wind strength, fostering ideal conditions for outdoor activities and water sports. Moreover, the consistent wind patterns throughout the late spring months evoke an inviting atmosphere for both locals and visitors alike, making May a delightful time to bask in the breezy charm of this coastal paradise.

Average May Wind Speed in La Union

The chart displays monthly wind speed patterns in La Union, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.62.73.23.13.0 m/s3.42.82.62.52.82.42.6
Data source: La Union May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in La Union Compares to Other Months

The weather in La Union 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 La Union and find detailed weather information for every month.

The weather in May is characterized by significantly warmer temperatures, with minimums around 16°C (61°F) and maximums soaring up to 38°C (100°F), leading to an average of 25°C (78°F). In contrast, January experiences much cooler conditions, with minimum temperatures dropping to 7°C (45°F) and maximums reaching only 30°C (86°F), averaging 18°C (64°F). Additionally, May enjoys a dry climate with no recorded precipitation, while January sees a slight increase in moisture, with 13 mm (0.5 in) of rainfall over just one day. The humidity level is also notably different: May has a more comfortable humidity of 47%, compared to a more humid January at 74%. For more detailed insights, you can check La Union weather in January.

May features much warmer temperatures, with a minimum of 16°C (61°F) and an average soaring to 25°C (78°F), peaking at a maximum of 38°C (100°F). In stark contrast, February's temperatures are cooler, ranging from a minimum of 7°C (45°F) to an average of 18°C (65°F), with a maximum reach of only 30°C (86°F). Additionally, May enjoys dry conditions with no recorded precipitation or rainy days, while February experiences a bit more humidity at 67% and light precipitation of 9 mm (0.4 in) over just one day. For more details on February weather, visit La Union weather in February.

In comparing the weather between March and May, it's clear that May tends to be significantly warmer. While March sees a minimum temperature of 9°C (49°F) and an average of 20°C (68°F), May starts with a higher minimum of 16°C (61°F) and an average reaching 25°C (78°F). The maximum temperatures also reflect this trend, with March peaking at 32°C (90°F) compared to May's scorching maximum of 38°C (100°F). Additionally, May offers a dry climate with no precipitation recorded, while March experiences some rain, averaging 5 mm over the course of just one day. The humidity levels further highlight the difference, as March is more humid at 60%, while May boasts a lower humidity of 47%. For more details, you can check the La Union weather in March.

May generally experiences warmer temperatures than April, with average highs soaring to 38°C (100°F) compared to April's maximum of 34°C (94°F). While both months boast dry conditions with no recorded precipitation, May's lower humidity at 47% contrasts with April's slightly higher 51%. The increased warmth in May can make it feel more intense, especially during peak hours. For more specific details on April's weather, you can check La Union weather in April.

In May, temperatures range from a minimum of 16°C (61°F) to a maximum of 38°C (100°F), with an average of 25°C (78°F) and no recorded precipitation or rainy days. The humidity is relatively low at 47%. In contrast, June sees a slight increase in the minimum temperature to 19°C (66°F) and an average rise to 29°C (84°F), while still peaking at 38°C (100°F). However, June experiences some rainfall, totaling 18 mm (0.7 in), alongside a small bump in humidity to 50%. For more specific details on weather patterns, you can check La Union weather in June.

May and July exhibit distinct weather characteristics in the region. In May, temperatures range from a minimum of 16°C (61°F) to a maximum of 38°C (100°F), with an average temperature of 25°C (78°F) and no recorded precipitation, making it significantly drier with a humidity level of 47%. In contrast, July sees warmer temperatures, with a minimum of 24°C (76°F) and an average of 31°C (88°F), reaching the same maximum of 38°C (100°F) as May. However, July also experiences an increase in humidity at 70% and receives about 36 mm (1.4 in) of precipitation over five days, indicating a more humid and wetter climate. For more detailed information, you can check La Union weather in July.

In comparing the weather between May and August, it is evident that August experiences a significant increase in humidity and precipitation. While May boasts an average temperature of 25°C (78°F) with no precipitation, making it a dry and warm month, August has a higher average temperature of 31°C (88°F) and is characterized by increased rainfall of 73 mm (2.9 in) over 9 days. The humidity level in May is relatively low at 47%, but it rises substantially to 81% in August, contributing to a noticeably muggier atmosphere. For more detailed insights, you can check La Union weather in August.

May typically enjoys milder temperatures with a minimum of 16°C (61°F) and an average of 25°C (78°F), whereas September sees a warmer minimum temperature of 22°C (72°F) and an average of 30°C (86°F). While May remains dry with no recorded precipitation or rainy days, September experiences a significant increase in rainfall, accumulating 77 mm (3.0 in) over 10 days, along with a higher humidity level of 82%. This contrast highlights May as a dry and warm month, while September tends to be hotter and more humid, often accompanied by occasional showers. For more detailed insights, check La Union weather in September.

May and October present contrasting weather patterns. In May, temperatures range from a pleasant 16°C (61°F) to a hot 38°C (100°F), with an average of 25°C (78°F). This month enjoys dry conditions, boasting no recorded precipitation and a humidity level of 47%. In comparison, October experiences slightly cooler temperatures with a minimum of 14°C (58°F) and a maximum of 39°C (102°F), while the average rises to 28°C (83°F). Rainfall is more prominent in October, with 20 mm (0.8 in) over two days, and humidity spikes significantly to 78%. For more detailed information on October weather, visit the following link: La Union weather in October.

In May, temperatures in La Union range from a mild 16°C (61°F) at night to a scorching maximum of 38°C (100°F) during the day, with an average of 25°C (78°F). The month boasts dry conditions, with no recorded precipitation and low humidity levels at 47%.

In contrast, November sees slightly cooler temperatures, with a minimum of 13°C (55°F) and a maximum of 36°C (97°F), leading to an average of 24°C (75°F). This month brings some rainfall, totaling 28 mm (1.1 in) over 2 days, and higher humidity levels at 78%. For more insights on November weather in La Union, visit La Union weather in November.

In May, the weather is characterized by warm temperatures, with a minimum of 16°C (61°F), an average of 25°C (78°F), and peaks of up to 38°C (100°F). This month typically enjoys dry conditions, having no recorded precipitation, and a relatively low humidity level of 47%. In contrast, December sees cooler temperatures, with a minimum of 8°C (47°F), an average of 19°C (66°F), and a maximum of 30°C (87°F). Rainfall is more common in December, with 16 mm (0.6 in) of precipitation over 2 days, and humidity levels rise significantly to 80%. For more detailed insights into the December weather, you can visit La Union weather in December.

Compare La Union's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in La Union

As May arrives in La Union, the weather showcases a distinct transition to warmer conditions, standing out from other months with a significant rise in temperatures. The average warmth peaks around a delightful 25°C, creating a perfect backdrop for outdoor activities. Notably, zero precipitation days characterize this month, contributing to the inviting dry atmosphere, with humidity levels remaining moderate. This ideal combination of warm sunshine and low humidity makes May a particularly attractive time for visitors eager to enjoy the beauty of La Union's climate. For a deeper dive into the weather patterns, explore La Union Climate.