May Weather in Alamos, Mexico

Last updated: April 22, 2025

In Alamos, Mexico, the month of May brings rising temperatures, with a maximum reaching an impressive 43°C (109°F) and an average of 27°C (81°F), providing plenty of sunshine for outdoor activities. Nights cool down to a pleasant 13°C (55°F), making evenings ideal for relaxation. Notably, May boasts zero precipitation, ensuring dry, clear skies throughout the month, with humidity levels sitting comfortably at 47%. This combination of heat and low humidity creates a perfect climate for travelers seeking to explore the rich culture and stunning landscapes of Alamos.

May Temperature in Alamos

As May settles into Alamos, Mexico, the temperatures experience a noticeable uptick, heralding the arrival of summer. With minimums reaching 13°C (55°F) and averages climbing to 27°C (81°F), the days grow increasingly warm, often peaking at a blistering 43°C (109°F). This month marks a transition from the mild spring temperatures of April, where the average was only 24°C (76°F), to the scorching heat that characterizes the upcoming summer months. The rising temperatures signal a shift towards a drier season, ensuring Alamos baths in sunshine, making it an ideal time for outdoor adventures. As the mercury climbs, locals and visitors alike can look forward to vibrant days filled with warmth and energy.

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

The chart illustrates May temperature patterns in Alamos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec636570758186848482807264
Data source: Temperature data for Alamos 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 Alamos

In May, Alamos, Mexico, experiences a notable dry spell, as the month records 0 mm of precipitation. This lack of rainfall marks a stark contrast to the earlier months of the year, particularly April, which also saw no rain. As the region transitions into the summer months, June ushers in an increase in precipitation, signaling the onset of the wetter season, particularly evident in July and August when rain becomes abundant. With no rainfall in May, locals and visitors are treated to plenty of sunny days, but this dryness paves the way for the impending monsoon, highlighting a crisp shift that defines the region's climate patterns.

May Precipitation Trends in Alamos

The chart displays monthly precipitation patterns in Alamos, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1718100031152143100234024
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Alamos

May marks a notable shift in humidity levels in Alamos, Mexico, as it dips to 47%, making it one of the driest months of the year. This reduction follows a steady decline from a rather humid 74% in January to 51% in April. Interestingly, while May enjoys a reprieve from the high moisture, the conditions quickly shift as summer approaches, with June seeing an uptick to 50%. The ensuing summer months witness a resurgence in humidity, peaking at 81% in August. This trend highlights Alamos' unique seasonal rhythm, where the allure of warmer weather comes hand-in-hand with rising humidity levels, shaping the overall climate experience throughout the year.

May Average Humidity in Alamos

This chart illustrates the average monthly humidity levels in Alamos, 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 Alamos

In May, Alamos, Mexico, experiences an extreme UV Index of 12, resulting in a burn time of just 10 minutes for unprotected skin. This trend of elevated UV levels continues from April, where the index also peaked at 12, indicating that sun safety is paramount during this period. As summer approaches, the UV Index remains consistently high, peaking at 12 in June and July, before slightly tapering off in September. Maintaining skin protection is essential as residents and visitors revel in the beautiful outdoor settings of Alamos. For more details about UV levels throughout the year, visit Alamos UV Index.

Maximum UV Index Levels in Alamos for May

The chart shows the monthly maximum UV Index (UVI) for Alamos 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.
JanFebMarAprMayJunJulAugSepOctNovDec6810121212121211975
Data source: Alamos 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 Alamos

As May rolls into Alamos, the region truly lives up to its name as the month shines with 366 hours of glorious sunlight. This delightful increase marks a peak in a steady upward trend that begins in January with 219 hours, gradually building anticipation leading to the vibrant month of May. Following this sunny crescendo, June and July experience a slight decline, yet still offer plenty of bright moments with 353 and 324 hours respectively. This pattern highlights Alamos's enchanting transition from the cooler months into a sun-drenched summer, inviting visitors to relish in outdoor adventures against a backdrop of endless sunshine.

Monthly Sunshine Duration in Alamos: May Highlighted

The May sunshine duration represents the total number of hours Alamos 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.
JanFebMarAprMayJunJulAugSepOctNovDec219h250h294h325h366h353h324h311h292h302h265h262h
Data source: Alamos May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Alamos During May

As May approaches in Alamos, Mexico, the likelihood of enjoying sunny weather hits an inviting 79%—the highest rate for the month, indicating a delightful shift towards brighter days after the fluctuating sunshine in earlier months. Following the reliable sunshine of April, which also boasts a 72% chance, May stands out as a prime time for outdoor activities and exploration. Interestingly, this sunny trend continues into the late spring, contrasting sharply with the summer months of July and August, where chances of sun drop significantly to 37% and 36%, respectively. Therefore, if you’re planning a visit, May is the perfect opportunity to bask in the warmth and beauty of Alamos before the heat starts to bear down in summer.

Percentage of Sunny Days in May in Alamos

The chart illustrates the percentage of sunny days in Alamos 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 Alamos experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec72%59%67%72%79%62%37%36%56%82%69%52%
Data source: Alamos May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Alamos in May

As May unfolds in Alamos, Mexico, the city enjoys 13 hours of daylight, marking the height of its spring transition. This increase in daylight began gradually as early as January, where sunshine lasted for just 10 hours, but by March, the days lengthened to 12 hours, setting the stage for the vibrancy of spring. April maintains this 12-hour streak before reaching a peak in May, alongside June and July, where the abundant sunlight brightens the landscape and offers ample time for outdoor activities. As summer arrives, daylight remains consistently generous, although it begins to taper off again in September. This rhythm of daylight reflects the unique ebb and flow of the seasons in Alamos, creating a dynamic backdrop for both residents and visitors.

Average Daylight Hours in Alamos for May

The chart illustrates the variation in daylight duration in Alamos throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 38m11h 14m12h 1m12h 48m13h 28m13h 48m13h 37m13h 2m12h 16m11h 28m10h 47m10h 27m
Data source: Alamos daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Alamos

In May in Alamos, Mexico, the winds settle into a gentle rhythm, boasting an average speed of 2.0 m/s (4 mph). This marks a slight increase from the preceding months of April and is consistent with the calming breeze that often accompanies the arrival of warm weather. Throughout the spring, wind speeds gradually rise, peaking in May before tapering off into summer. After this brief moment of vitality, winds will begin to mellow again in June, dropping to 1.9 m/s (4 mph) and continuing their slow descent through the hotter months. This delicate ebb and flow of wind reflects not just the seasonal shift, but also the tranquil charm that defines Alamos during this time of year.

Average May Wind Speed in Alamos

The chart displays monthly wind speed patterns in Alamos, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.71.92.02.0 m/s1.91.21.21.21.51.51.5
Data source: Alamos May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Alamos Compares to Other Months

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

In May, the weather is predominantly warm, with temperatures ranging from a minimum of 13°C (55°F) to a maximum of 43°C (109°F), and an average temperature of 27°C (81°F). The month enjoys dry conditions, with no recorded precipitation and a humidity level of 47%. In contrast, January presents much cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 34°C (93°F), averaging 17°C (63°F). January experiences some rainfall, totaling 17 mm (0.7 in) over two days, and has higher humidity at 74%. For more detailed information, you can visit Alamos weather in January.

In comparing the weather in May and February, it’s clear that May brings significantly warmer temperatures, with minimums around 13°C (55°F) and maximums soaring to 43°C (109°F). In contrast, February has a much cooler climate, featuring minimum temperatures of 1°C (34°F) and maximums reaching 35°C (95°F). Additionally, February experiences more precipitation, averaging 18 mm (0.7 inches) over three days, while May remains dry with no recorded precipitation. The humidity levels also differ, with February being more humid at 67%, compared to May's 47%. For a more detailed overview, check out Alamos weather in February.

In comparing the weather of May and March, it's evident that May is significantly warmer, with average temperatures around 27°C (81°F) and maximums reaching 43°C (109°F). In contrast, March has a cooler climate, with average temperatures of 21°C (70°F) and maximums of 36°C (98°F). March also experiences some precipitation, averaging 10 mm (0.4 in) over a single rainy day, while May remains dry with no recorded precipitation. Additionally, March has higher humidity at 60%, compared to May’s more comfortable 47%. For more detailed weather insights, you can visit Alamos weather in March.

In comparing the weather between April and May, May tends to be significantly warmer, featuring a minimum temperature of 13°C (55°F) and an average high of 27°C (81°F), while April’s temperatures range from a minimum of 8°C (48°F) to an average high of 24°C (76°F). The maximum temperatures in May can soar up to 43°C (109°F), compared to April's peak of 39°C (103°F). Both months experience dry conditions, with zero precipitation recorded in each; however, May's humidity is slightly lower at 47% compared to April's 51%. For a detailed look at April weather specifics, you can visit Alamos weather in April.

In comparing the weather between May and June, May generally offers warmer and drier conditions, with temperatures ranging from a mild 13°C (55°F) at night to scorching highs of 43°C (109°F), and no recorded precipitation. In contrast, June experiences slightly cooler nights with a minimum temperature of 17°C (63°F) and an average daytime high of 30°C (86°F), but it also brings some rainfall, totaling 31 mm (1.2 in) over two days. Additionally, humidity levels increase in June to 50%, compared to 47% in May. For more details on June weather patterns, check out Alamos weather in June.

May and July present quite different weather patterns. In May, temperatures range from a mild 13°C (55°F) at night to a scorching 43°C (109°F) during the day, all under a dry sky with no recorded precipitation. The average temperature rests around 27°C (81°F), accompanied by a lower humidity of 47%. In contrast, July experiences a greater minimum temperature of 22°C (71°F) and slightly lower maximum temperatures peaking at 41°C (105°F), but it brings significant rainfall, averaging 152 mm (6.0 in) over approximately 20 days. The humidity also increases considerably to 70%, creating a more muggy atmosphere. For an in-depth look at the weather specifics in July, you can check Alamos weather in July.

In May, the weather is characterized by warm temperatures, with a minimum of 13°C (55°F) and an average high of 43°C (109°F), yet it remains dry with no recorded precipitation or humidity. In contrast, August experiences a more humid climate, with temperatures ranging from a minimum of 21°C (71°F) to an average high of 40°C (105°F), accompanied by significant rainfall of 142 mm (5.6 in) over 17 days. The humidity in August also rises to 81%, making it feel much more muggy compared to the relatively dry conditions of May. For more details, visit Alamos weather in August.

In comparing May and September weather, May showcases a more extreme temperature range, with minimums dropping to 13°C (55°F) and maximums soaring up to 43°C (109°F). The month remains dry, recording no precipitation and maintaining a moderate humidity level of 47%. In contrast, September experiences milder temperatures, with minimums at 17°C (63°F) and maximums reaching 40°C (104°F). However, this month is significantly wetter, receiving 100 mm (3.9 in) of rainfall over 14 days, leading to a much higher humidity level of 82%. For more details, check Alamos weather in September.

When comparing the weather in May and October, there are notable differences in temperature and humidity levels. May typically experiences a warm range of temperatures, with a minimum of 13°C (55°F) and a maximum reaching up to 43°C (109°F), while maintaining an average of 27°C (81°F). The month is characterized by plenty of sunshine and no recorded precipitation, resulting in a lower humidity level of 47%. In contrast, October sees cooler temperatures, with a minimum of 8°C (46°F) and a maximum of 41°C (105°F). The average temperature remains similar at 27°C (80°F), but October brings increased humidity at 78% and some rain, with an average precipitation of 23 mm (0.9 in) over two days. You can find more details about October's weather here: Alamos weather in October.

May and November exhibit contrasting weather patterns. In May, temperatures soar with a minimum of 13°C (55°F) and reaching a maximum of 43°C (109°F), while the average hovers around a warm 27°C (81°F). The month is characterized by dry conditions, with no recorded precipitation and a humidity level of 47%. In stark contrast, November brings cooler temperatures, where the minimum drops to 7°C (45°F) and the maximum peaks at 39°C (102°F), with an average of 22°C (72°F). This month also sees an increase in precipitation, receiving about 40 mm (1.6 in) spread over two days, along with significantly higher humidity at 78%. For more details, visit Alamos weather in November.

May and December showcase stark contrasts in weather. In May, temperatures can soar from a minimum of 13°C (55°F) to a maximum of 43°C (109°F), with an average of 27°C (81°F) and no recorded precipitation, making it a hot and dry month with a humidity level of 47%. In contrast, December experiences much cooler temperatures, ranging from a low of 2°C (36°F) to a high of 32°C (90°F), with an average temperature of 18°C (64°F). December also brings some moisture, with 23 mm (0.9 in) of precipitation over two days and significantly higher humidity at 80%. For more detailed information, you can visit Alamos weather in December.

Compare Alamos's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Alamos

As May unfolds in Alamos, the weather shines with intense warmth and dry conditions, marking a distinct contrast to the cooler and more humid months that precede it. With average temperatures soaring to a pleasing 27°C (81°F) and an impressive maximum of 43°C (109°F), it invites outdoor activities under the clear skies. Unlike the previous months, May boasts a noteworthy absence of precipitation, allowing for long, sun-filled days without the usual interruptions of rain. This balmy climate makes it an ideal time to explore the vibrant landscapes and rich culture of the region. For more insights on Alamos' weather patterns throughout the year, visit Alamos Climate.