May Weather in Medellin, Colombia

Last updated: August 21, 2025

May in Medellín, Colombia is characterized by a warm and humid climate, with maximum temperatures reaching 28°C (82°F) and an average of 18°C (65°F). The month sees a consistent minimum temperature of 11°C (52°F), providing a comfortable range for outdoor activities. However, it is also the rainiest month, with precipitation totalling 320 mm (12.6 in) across 29 days, resulting in an 88% humidity level. Visitors can expect lush greenery and vibrant landscapes, making it a perfect time to explore the city's natural beauty, though packing an umbrella is advisable!

May Temperature in Medellin

In May, Medellín experiences pleasantly mild temperatures that reflect the city's unique climate. With a minimum of 11°C (52°F) and an average of 18°C (65°F), the city enjoys a comfortable ambiance ideal for outdoor exploration. The maximum temperature reaches 28°C (82°F), marking an increase compared to previous months. This slight upward trend signifies the transition into the warmer season, inviting visitors to savor Medellín's lush landscapes and vibrant culture. The consistent temperatures in May, coupled with a gentle breeze, further enhance the allure of this dynamic city, making it an excellent time to experience all that Medellín has to offer.

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

The chart illustrates May temperature patterns in Medellin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Medellin, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec636463646464646564636364
Data source: Temperature data for Medellin 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 Medellin

In Medellín, Colombia, May stands out as the peak of the rainy season, with precipitation reaching 320 mm (12.6 in) over 29 days. This substantial rainfall is indicative of a trend seen throughout the months preceding it, where April already set the stage with 307 mm (12.1 in). As spring transitions to early summer, the city experiences a heightened frequency of downpours, exemplifying the region's lush and vibrant ecosystem. While January begins with a modest 93 mm (3.7 in), the subsequent increase in rainfall underscores the urban landscape's evolution into a verdant paradise, reminding residents and visitors alike of the intricate balance between rainy spells and the lively atmosphere that defines Medellín.

May Precipitation Trends in Medellin

The chart displays monthly precipitation patterns in Medellin, 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. In Medellin, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec94152278307320193158176243303260131
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Medellin

As summer approaches, May brings a noticeable surge in humidity to Medellín, reaching a high of 88%—one of the peak levels for the year. This increase is part of a broader trend observed during the season, with humidity slowly climbing from 74% in January to a notably sticky 89% by June. After a dip in April, where humidity settled at 73%, May serves as a gateway into the wettest months, previewing the tropical climate that dominates the city. With this uptick, residents and visitors alike can expect lush greenery and vibrant blooms, though they should also be prepared for the sticky embrace of the humid air characteristic of Medellín as it transitions into its rainy season.

May Average Humidity in Medellin

This chart illustrates the average monthly humidity levels in Medellin, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Medellin is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%68%65%73%88%89%89%87%88%89%90%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Medellin

In May, Medellín continues to bask under an extreme UV Index of 16, mirroring the levels seen in the previous month. This consistency suggests that the sun remains intense, with a burn time of just 10 minutes for unprotected skin. The pattern throughout the first half of the year shows heightened UV exposure, with January peaking at 14 and March reaching its zenith at 17. As the city transitions into the latter months, a slight dip is expected, but vigilance is essential year-round when it comes to sun protection. For further details and insights, check the Medellin UV Index.

Maximum UV Index Levels in Medellin for May

The chart shows the monthly maximum UV Index (UVI) for Medellin 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. In May, the maximum UV index in Medellin typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141517161614141514141312
Data source: Medellin 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 Medellin

May in Medellín, Colombia, offers a delightful mix of warmth and sunlight as the city enjoys approximately 246 hours of sunshine. This month is nestled between April's 250 hours and June's 259 hours, maintaining a consistent pattern of bright days as the year progresses. Following the sun-drenched months of January to March, where days effortlessly stretch into sunny afternoons, May continues to embrace the vibrant energy of spring. As the rainy season approaches in June, this transitional phase in May showcases a charming balance, making it an ideal time for visitors to explore the city's rich culture and stunning landscapes bathed in gentle sunlight.

Monthly Sunshine Duration in Medellin: May Highlighted

The May sunshine duration represents the total number of hours Medellin 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.
JanFebMarAprMayJunJulAugSepOctNovDec241h269h268h250h246h259h299h293h275h243h226h271h
Data source: Medellin May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Medellin During May

In Medellín, Colombia, the likelihood of sunny weather sees notable fluctuations throughout the year, with May presenting a modest chance of 6% for sunshine. This trend indicates a gradual decline as the months advance from the more promising start of the year, where January boasts a 27% chance. Following January, the prospects drop significantly in February and plummet to just 4% in April, hinting that late spring is not the sunniest season in this region. As we move into May, the chance of sun remains low, reflecting a pattern of cloudy and wet conditions typical of the Colombian rainy season. While sunshine is scarce in May, those seeking sunnier days may find better luck in January and July, when the odds improve again.

Percentage of Sunny Days in May in Medellin

The chart illustrates the percentage of sunny days in Medellin 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 Medellin experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%18%7%4%6%7%13%5%13%8%12%15%
Data source: Medellin May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Medellin in May

In Medellín, Colombia, the daylight duration shows an intriguing consistency throughout the year, with slight fluctuations between the months. January and February enjoy a steady 11 hours of daylight, signaling the city's warm embrace of summer. As spring approaches in March and April, the daylight increases, reaching 12 hours, which is maintained from May through August. This extended period of sunlight supports outdoor activities, highlighting the vibrancy of the city during these months. However, as the year progresses into September, the daylight gradually dips back to 11 hours by October, suggesting a gentle transition into the cooler months ahead. Overall, Medellín’s daylight patterns reflect a warm and stable climate, perfect for those who thrive in sunlit adventures year-round.

Average Daylight Hours in Medellin for May

The chart illustrates the variation in daylight duration in Medellin throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 47m11h 54m12h 4m12h 15m12h 23m12h 28m12h 25m12h 18m12h 7m11h 57m11h 49m11h 45m
Data source: Medellin daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Medellin

In Medellín, Colombia, May experiences a gentle breeze, with an average wind speed of 1.0 m/s (2 mph), consistent with the preceding months of April and March. This calmness is a hallmark of the early dry season, providing a tranquil atmosphere perfect for outdoor activities. As the year progresses, wind speeds slightly pick up in July, reaching 1.4 m/s (3 mph), echoing the dynamic shifts of the city's climate. The trend from January through November illustrates a gradual increase in wind strength during the mid-year months, making Medellín’s May a pleasant and stable transition period before more invigorating winds arrive in the later summer.

Average May Wind Speed in Medellin

The chart displays monthly wind speed patterns in Medellin, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.21.11.01.01.0 m/s1.01.41.21.21.00.90.9
Data source: Medellin May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Medellin Compares to Other Months

Weather in Medellin varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Medellin, focusing on differences in temperature, rainfall, humidity, and UV levels.

When comparing the weather in May and January, we notice distinct differences in temperature and precipitation patterns. May features a wider range of temperatures, with a minimum of 11°C (52°F) and a maximum of 28°C (82°F), while January has slightly cooler temperatures with a minimum of 9°C (49°F) and a maximum of 27°C (80°F). Additionally, May experiences significantly more rainfall, accumulating 320 mm (12.6 in) over 29 days, compared to January's 93 mm (3.7 in) over just 16 days. This results in a higher humidity level in May, standing at 88%, compared to January's 74%. For more detailed information about January weather in Medellin, you can visit Medellin weather in January.

May and February in Medellín exhibit some distinct differences in weather patterns despite their similar average temperatures. In May, the minimum temperature is slightly higher at 11°C (52°F), while February has a lower minimum of 10°C (50°F). Both months share an average temperature of around 18°C (64-65°F) and a maximum temperature of 27-28°C (82°F). However, May is notably wetter, receiving 320 mm (12.6 in) of precipitation over 29 days, compared to February's 152 mm (6.0 in) over just 22 days. Additionally, May's humidity is higher at 88%, versus February's more moderate 68%. These factors contribute to a more humid and rainy atmosphere in May as compared to the relatively drier February. For more detailed insights, check Medellin weather in February.

In comparing the weather between May and March, both months share similar temperature ranges, with minimums around 11°C (52°F) and maximums reaching 28°C (82°F) in May and 27°C (81°F) in March. However, May tends to be slightly warmer on average, with an average temperature of 18°C (65°F) compared to March's 17°C (64°F). A significant distinction lies in precipitation, as May experiences more rainfall, totaling 320 mm (12.6 in) over 29 days, while March sees 278 mm (11.0 in) across 28 days. Additionally, humidity levels are noticeably higher in May at 88%, compared to the more moderate 65% in March. For more detailed information, you can check Medellin weather in March.

In comparing the weather patterns between April and May, both months exhibit similar average temperatures, with May slightly warmer, while April has a marginally higher minimum temperature. May experiences increased rainfall, with 320 mm over 29 days compared to April's 307 mm over 27 days, contributing to a notably higher humidity of 88% in May versus 73% in April. This shift in weather can create a more humid atmosphere in May, making it feel warmer despite the average temperatures being quite close. For more detailed information about April’s weather conditions, visit Medellin weather in April.

In comparing the weather between May and June, both months exhibit relatively similar temperature patterns, with minimum temperatures around 11°C (52°F) and average temperatures hovering between 18°C (64-65°F). However, June tends to be slightly cooler, with a maximum of 27°C (82°F), whereas May reaches up to 28°C (82°F). Precipitation levels also differ significantly; May has a much higher rainfall of 320 mm (12.6 in) over 29 days, compared to June's 193 mm (7.6 in) over 27 days. Humidity remains consistent between the two months, with June at 89% and May at 88%. For more detailed weather information, you can visit Medellin weather in June.

In comparing the weather of May and July, both months share similar minimum temperatures at 11°C (52°F) and average temperatures of 18°C (65°F), but July features a slightly cooler maximum temperature of 27°C (80°F), whereas May peaks at 28°C (82°F). Precipitation levels also differ significantly; May experiences heavier rainfall with 320 mm (12.6 in) over 29 days, compared to July's 158 mm (6.2 in) spread across 26 days. Humidity remains quite high in both months, with May at 88% and July at 89%. For a deeper look into July’s specific weather patterns, you can check out Medellin weather in July.

In comparing the weather between May and August, we find that both months experience similar average temperatures, hovering around 18°C (65°F), with maximums of 28°C (82°F) in May and 28°C (83°F) in August. However, May tends to be wetter, with a significant precipitation of 320 mm (12.6 in) over 29 days, while August sees a reduction in rainfall to 176 mm (6.9 in) across 24 days. Humidity levels are comparable, slightly higher in May at 88% compared to 87% in August. For more detailed weather information, you can explore Medellin weather in August.

May and September in Medellín present similar temperature ranges, with both months experiencing average temperatures around 18°C (64°F). However, May tends to be slightly warmer at times, with maximum temperatures reaching 28°C (82°F) compared to September’s high of 28°C (83°F). Precipitation is notably higher in May, with 320 mm (12.6 in) falling over 29 days, compared to September’s 243 mm (9.6 in) over 27 days. Humidity remains constant in both months at 88%, contributing to a tropical atmosphere. For more details, you can check Medellin weather in September.

May and October in Medellín exhibit notably similar weather patterns, characterized by mild temperatures and substantial rainfall. In May, temperatures range from a minimum of 11°C (52°F) to a maximum of 28°C (82°F), with an average hovering around 18°C (65°F). Similarly, October sees slightly cooler temperatures, with a minimum of 10°C (51°F) and a maximum of 27°C (80°F), averaging 17°C (64°F). Rainfall is abundant in both months, with May receiving approximately 320 mm (12.6 in) of precipitation compared to October's 303 mm (11.9 in), and both months experiencing rainfall on about 29 days. Humidity levels remain high in both months, with May at 88% and October at 89%. For more details on October weather, visit Medellin weather in October.

May and November in Medellín exhibit distinct weather characteristics. In May, temperatures range from a minimum of 11°C (52°F) to a maximum of 28°C (82°F), with an average of 18°C (65°F). The month is marked by significant rainfall, totaling 320 mm (12.6 in) over 29 days and high humidity at 88%. In contrast, November sees slightly warmer temperatures, with a minimum of 12°C (54°F) and a maximum of 25°C (78°F), maintaining an average of 17°C (64°F). The precipitation is lower than in May at 260 mm (10.2 in) across 28 days, while humidity remains high at 90%. For more detailed information, check Medellin weather in November.

In comparing the weather between May and December, both months showcase mild temperatures with minimums around 11°C (52°F) and average highs of 18°C (65°F) in May, slightly cooler at 25°C (78°F) in December. While the humidity is relatively similar with May at 88% and December at 85%, May experiences significantly more rainfall, totaling 320 mm (12.6 in) across 29 days compared to December’s 131 mm (5.2 in) over 22 days. This makes May feel much wetter, giving it a distinctively different atmosphere. For more specific details on December weather patterns, refer to Medellin weather in December.

Compare Medellin's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Medellin

As May unfolds in Medellín, the city experiences a shift that sets it apart from other months. With an average temperature hovering around 18°C (65°F), days are pleasantly warm yet punctuated by nearly 29 days of rain, contributing to a lush, green landscape. The high humidity at 88% adds a tropical feel, making it essential for visitors to embrace the gentle drizzle as part of the city's charm. This month is characterized by its frequent showers, which not only nourish the flora but also create a vibrant atmosphere. For those looking to understand how this season shapes Medellín's character, explore more about what to expect throughout the year at Medellin Climate.