May Weather in Cali, Colombia

Last updated: August 21, 2025

In Cali, Colombia, May ushers in a blend of warmth and moisture, characterized by maximum temperatures reaching 30°C (87°F) and an average of 23°C (73°F). As the month progresses, residents and visitors can expect a cooler minimum temperature of 16°C (61°F). With precipitation totaling 213 mm (8.4 in) over 23 days, the city's tropical climate ensures a lush environment, albeit with high humidity levels at 88%. Such conditions create an inviting atmosphere, perfect for exploring Cali's vibrant culture while preparing for the occasional rainfall.

May Temperature in Cali

In May, Cali, Colombia, experiences a delightful temperature profile that is characteristic of its tropical climate. With minimum temperatures hovering around 16°C (61°F) and an average of 23°C (73°F), the weather is pleasantly warm and inviting. The daytime highs can reach up to 30°C (87°F), making it an ideal month for outdoor activities. This slight increase in average temperatures from April’s 22°C adds to the warmth, showcasing a trend of consistent warmth throughout the dry season, with both mornings and evenings remaining comfortably mild. As the city transitions into June, this stable warmth continues, reflecting Cali's charming climate that makes it a year-round destination for sun-seekers and nature enthusiasts alike.

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

The chart illustrates May temperature patterns in Cali, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cali, 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).
JanFebMarAprMayJunJulAugSepOctNovDec727272727373737372727272
Data source: Temperature data for Cali 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 Cali

In May, Cali experiences a notable shift in its precipitation patterns, recording 213 mm (8.4 in) of rain over 23 days. While this is a decrease from the heavy downpours seen in February (322 mm) and March (298 mm), May still represents a significant contribution to the region's annual rainfall. This month serves as a transition period, bridging the wetter months of April and the onset of drier conditions typical in the following months, like June and July, which average around 141 mm (5.5 in) and 133 mm (5.2 in), respectively. As the rainy season progresses, May's precipitation plays a crucial role in maintaining Cali’s lush landscapes, supporting both agriculture and the city's vibrant ecosystem.

May Precipitation Trends in Cali

The chart displays monthly precipitation patterns in Cali, 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 Cali, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec202322298260213141133162148302398351
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Cali

As May arrives in Cali, Colombia, residents experience a significant surge in humidity, reaching 88%, making it one of the most humid months of the year. This spike follows a gradual increase from previous months, beginning with February's 71% and culminating in April's 81%. The trend of ascending humidity from March onwards suggests that Cali's tropical climate plays a vital role in creating a lush, vibrant environment, although it can also feel quite muggy. Following May, humidity levels dip slightly in June to 85%, hinting at a potential respite but still remaining quite high throughout the year. As summer approaches, the consistent humidity pattern demonstrates how Cali's weather remains intertwined with its rich biodiversity, providing both challenges and captivating beauty for its inhabitants.

May Average Humidity in Cali

This chart illustrates the average monthly humidity levels in Cali, 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 Cali is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%71%78%81%88%85%75%64%70%80%85%82%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Cali

In May, Cali, Colombia maintains its reputation for intense sun exposure with a UV Index of 15—categorizing it as extreme and leaving you with only 10 minutes before burns can occur. Following a peak in March and April with a UV Index of 17, the May index slightly dips but still demands caution. This trend showcases a consistent pattern of extreme UV levels from January through April, illustrating just how crucial sun protection is year-round in Cali. For those planning outdoor activities, it's essential to stay informed and prepared; you can find further details at Cali UV Index.

Maximum UV Index Levels in Cali for May

The chart shows the monthly maximum UV Index (UVI) for Cali 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 Cali typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151617171514141415141312
Data source: Cali 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 Cali

May in Cali, Colombia, brings a delightful 205 hours of sunshine, contributing to the city's reputation as a vibrant and sunny destination. While this marks a slight dip from the sunniest months of August (263 hours) and July (252 hours), it's still a significant amount of bright days compared to the quieter months of November (180 hours) and October (195 hours). Overall, the trend shows that Cali enjoys a generous amount of sunlight year-round, with the peak occurring in the mid-year. As the seasons shift, the city’s ample sunshine fosters an energetic atmosphere, perfect for outdoor activities and enjoying the lush surroundings.

Monthly Sunshine Duration in Cali: May Highlighted

The May sunshine duration represents the total number of hours Cali 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.
JanFebMarAprMayJunJulAugSepOctNovDec213h231h239h210h205h217h252h263h242h195h180h224h
Data source: Cali May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cali During May

In Cali, Colombia, the likelihood of sunny weather experiences notable fluctuations throughout the year, with May showing a 13% chance of sunshine. While this figure aligns closely with the preceding months of February and the sunniest January, it reflects a broader trend of decreased sunlight from April's 5% to a subsequent dip in June's 8%. As May transitions from the wet season into June, the chance of clear skies may still remain modest, but it's a crucial moment where daylight begins to reclaim its prominence. Enthusiasts seeking sunnier days might particularly note that while May doesn't boast the highest likelihood of sun, it stands as a hopeful interlude between the early year’s brighter moments and the cloudier summer months ahead.

Percentage of Sunny Days in May in Cali

The chart illustrates the percentage of sunny days in Cali 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 Cali experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%13%11%5%13%8%15%6%19%10%9%10%
Data source: Cali May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cali in May

In Cali, Colombia, the daylight duration presents a fascinating pattern throughout the year, highlighting the region's proximity to the equator. The year begins with a consistent 11 hours of daylight in January and February, providing a steady, sunlit backdrop for daily life. As March rolls in, sunlight begins to extend to 12 hours, a trend that continues through April and maintains through the following months until October. This period of extended daylight not only enhances outdoor activities but also enriches the vibrant culture of Cali. As the year approaches its end, daylight gradually recedes back to 11 hours in November and December, reminding residents of the cyclical nature of time and light in this beautiful city.

Average Daylight Hours in Cali for May

The chart illustrates the variation in daylight duration in Cali throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 55m11h 59m12h 5m12h 11m12h 16m12h 18m12h 17m12h 12m12h 6m12h 1m11h 56m11h 54m
Data source: Cali daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Cali

In Cali, Colombia, the May wind experience is characterized by a steady breeze that aligns with the overall trends observed throughout the year. With an average wind speed of 1.2 m/s (3 mph), May maintains a pleasant and gentle airflow, similar to the preceding months of April and June. Interestingly, as the year progresses from the calm beginnings in January and February, where averages hover around 1.1 m/s (2 mph), we begin to see a subtle increase in wind activity. The peak months, July and August, see a slight rise to 1.4 m/s (3 mph), offering a refreshing contrast to the more tranquil beginning of the year. Overall, May's winds provide a delightful continuation of the mild breezes that characterize Cali's climate, making it an ideal time for outdoor activities amid the vibrant city life.

Average May Wind Speed in Cali

The chart displays monthly wind speed patterns in Cali, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.31.11.11.21.2 m/s1.21.41.41.31.21.01.1
Data source: Cali May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Cali Compares to Other Months

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

May and January display similar temperature ranges, with both months recording maximums of 30°C (87°F) and average temperatures around 22-23°C (72-73°F). However, May tends to be more humid, with an impressive 88% humidity compared to January's 74%. Additionally, May experiences more precipitation, with 213 mm (8.4 in) over 23 days, while January has slightly lower rainfall at 201 mm (7.9 in) over 21 days. For a detailed look at January weather, you can check Cali weather in January.

When comparing the weather in May and February, both months feature similar temperatures, with minimums around 16°C (61°F) and maximums reaching 30°C (86-87°F). May tends to be slightly warmer on average at 23°C (73°F), compared to February’s 22°C (72°F). However, February experiences higher rainfall, with 322 mm (12.7 in) over 25 days, compared to May’s 213 mm (8.4 in) over 23 days. Additionally, the humidity in May is notably higher at 88%, while February maintains a lower level of 71%. For more detailed information, you can check out Cali weather in February.

In comparing the weather of May and March, we see that May generally experiences slightly warmer temperatures, with averages reaching 23°C (73°F) compared to March's 22°C (72°F). However, March tends to have a higher level of precipitation, totaling 298 mm (11.7 in) over 27 days, while May sees 213 mm (8.4 in) across 23 days. Additionally, May's humidity is higher at 88%, compared to March's 78%, indicating that May may feel more humid. For more detailed information about March weather specifically, you can visit Cali weather in March.

In comparing the weather of May and April, both months exhibit similar temperature ranges, with May showing a minimum of 16°C, an average of 23°C, and a maximum of 30°C, while April has a slightly higher minimum of 17°C, equal average of 22°C, and a maximum of 30°C. However, May experiences slightly less precipitation at 213 mm compared to April's 259 mm, despite both months having rainfall on 23 days. Moreover, May is characterized by higher humidity levels at 88%, compared to April's 81%. For a deeper look into April's conditions, you can refer to this link: Cali weather in April.

May and June share similar temperature ranges, with both months experiencing minimums around 16°C (61°F), an average of 23°C (73°F), and maximums reaching 30°C (87°F). However, May tends to be wetter, with 213 mm (8.4 in) of precipitation over 23 days compared to June's 141 mm (5.5 in) across 18 days. Additionally, humidity levels are slightly higher in May at 88%, while June sees a more comfortable average of 85%. For more specific details about June's weather, you can explore Cali weather in June.

May and July share similar temperature ranges, with both months featuring minimums around 16°C (61°F), average temperatures of 23°C (73°F), and maximums close to 30°C (87°F) for May and 30°C (86°F) for July. However, May experiences significantly more precipitation, totaling 213 mm (8.4 in) over 23 days, compared to July's 133 mm (5.2 in) across just 16 days. Additionally, the humidity in May is notably higher at 88%, while July sees a lower humidity level of 75%. For more detailed information, check out Cali weather in July.

In May, the weather presents a warmer and wetter atmosphere compared to August. With average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 30°C (87°F), May experiences significant rainfall of 213 mm (8.4 in) over 23 days, contributing to a high humidity level of 88%. Conversely, August maintains similar temperature ranges but enjoys a drier climate, featuring only 162 mm (6.4 in) of precipitation over 15 days and a drop in humidity to 64%. For more details on the August weather conditions, check out Cali weather in August.

May and September display relatively similar temperature ranges, with both months featuring a minimum temperature of 16°C (61°F) and a maximum of around 30°C (86-87°F). However, May typically experiences a warmer average temperature of 23°C (73°F), compared to September's average of 22°C (72°F). One of the most notable differences between the two months is the amount of precipitation; May receives significantly more rainfall at 213 mm (8.4 in) over 23 days, while September has a milder total of 148 mm (5.8 in) over 20 days. Additionally, the humidity in May is quite high at 88%, whereas September offers a more comfortable 69%. For those interested in detailed insights about September weather, check out Cali weather in September.

In comparing the weather between May and October, we see some notable similarities and differences. Both months experience mild temperatures, with May having an average of 23°C (73°F) and October slightly cooler at 22°C (72°F). However, October tends to be a bit wetter, receiving 302 mm (11.9 in) of precipitation over 26 days, compared to May's 213 mm (8.4 in) across 23 days. Additionally, humidity is also a factor to consider, as May is more humid at 88%, while October's humidity sits at 80%. For those interested in exploring the specifics of October weather, you can find more information here: Cali weather in October.

May and November exhibit similar temperature ranges, with both months featuring minimum temperatures around 16-17°C (61-63°F) and maximums peaking at 30°C (85-87°F). However, November is generally cooler on average, with an average temperature of 22°C (72°F) compared to May's 23°C (73°F). Rainfall is notably heavier in November, with 398 mm (15.7 in) over 28 days, compared to May's 213 mm (8.4 in) across 23 days. This results in a slightly lower humidity level in November at 85%, as opposed to May's 88%. For a detailed look at the weather conditions during November, visit Cali weather in November.

In comparing the weather between May and December, both months exhibit warm temperatures, with minimums hovering around 16°C (61°F for May and 62°F for December) and average highs reaching up to 30°C (87°F in May and 29°C or 84°F in December). While May tends to be slightly warmer overall with an average temperature of 23°C (73°F), December sees a marginally lower average of 22°C (72°F). One notable difference is in precipitation, where December experiences significantly higher rainfall at 351 mm (13.8 in) over 26 days compared to May's 213 mm (8.4 in) over 23 days, contributing to a slightly lower humidity level of 82% in December compared to 88% in May. For more details on the specifics of Cali's weather during December, you can check Cali weather in December.

Compare Cali's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Cali

As May unfolds in Cali, expect a notable shift in the weather dynamics compared to other months. With temperatures peaking at a warm 30°C (87°F) and averaging a comfortable 23°C (73°F), it's a time that blends the vitality of spring with the onset of more frequent rainfall. The month brings a considerable increase in precipitation, totaling about 213 mm (8.4 in) across roughly 23 rainy days, creating a lush environment amidst higher humidity levels of 88%. This combination of warmth and moisture not only refreshes the landscape but also enhances the vibrant culture and outdoor charm of Cali during this transitional period. For more details, check out the comprehensive information on the city's weather at Cali Climate.