May Weather in Colon, Panama

Last updated: August 27, 2025

May in Colon, Panama is characterized by warm temperatures and significant rainfall, making it an interesting time to experience the region's lush beauty. With maximum temperatures reaching a balmy 31°C (89°F) and averaging around 27°C (81°F), the warmth is tempered by an average minimum of 24°C (76°F). This month sees an impressive 285 mm (11.2 in) of precipitation spread across 31 days, contributing to the area’s vibrant greenery. Humidity levels hover around 73%, creating a tropical atmosphere that showcases Colon's rich natural landscapes and lively culture. Visitors should prepare for frequent showers, embracing the unique charm that May brings to this vibrant coastal gem.

May Temperature in Colon

In May, Colon, Panama experiences warm and consistent temperatures that highlight the region's tropical climate. With minimums around 24°C (76°F), daily averages remain steady at 27°C (81°F), while maximums reach up to 31°C (89°F). This month mirrors the trends observed throughout the early summer, where the heat remains reliably warm, echoing the conditions seen in the preceding months of April and March. As the rainy season approaches, the humidity begins to rise, adding to the tropical ambiance, making May a vibrant time to experience Colon's lush landscapes and rich culture.

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

The chart illustrates May temperature patterns in Colon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Colon, 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).
JanFebMarAprMayJunJulAugSepOctNovDec808080818181808080807980
Data source: Temperature data for Colon 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 Colon

In May, Colon, Panama, experiences a significant surge in precipitation, recording an impressive 285 mm (or 11.2 in) of rainfall over the course of the month. This marks a dramatic increase from the preceding months, with daily rain reported on all 31 days of May. Such consistent precipitation not only highlights May as one of the wettest months in the region but also sets the stage for the later rainy season, as the rainfall continues to intensify heading into June. This trend underscores the tropical climate's marked shift during this period, bringing lush greenery and a vibrant ecosystem to life, while also shaping the daily rhythms of life in Colon.

May Precipitation Trends in Colon

The chart displays monthly precipitation patterns in Colon, 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 Colon, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec964257129285307384332279314303176
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Colon

In May, Colon, Panama experiences a noticeable increase in humidity, reaching 73%, up from 70% in April. This slight uptick signals the transition into the wet season, as humidity levels continue to climb in the months that follow, peaking at a staggering 90% in June. Interestingly, the humidity in May is relatively mild compared to the sweltering levels that characterize the summer months, yet it is the second highest for the year so far. The gradual rise from the drier months of January through April to the higher levels in May indicates a shift towards the warm, tropical climate that defines the region. As the rainy season looms, residents and visitors alike can anticipate a more humid atmosphere ahead.

May Average Humidity in Colon

This chart illustrates the average monthly humidity levels in Colon, 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 Colon is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%71%69%70%73%90%89%87%87%86%86%79%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Colon

In May, Colon, Panama, experiences a consistently high UV Index of 14, maintaining its status as an extreme exposure category. This trend, established earlier in the year, indicates that sun safety is crucial, as a burn can occur in just 10 minutes. As the dry season progresses, the UV levels remain sharply elevated, reflecting a pattern that starts in February and peaks during the spring months. Visitors and residents alike should remain vigilant and take protective measures when outdoors. For more information on UV levels throughout the year, explore the Colon UV Index.

Maximum UV Index Levels in Colon for May

The chart shows the monthly maximum UV Index (UVI) for Colon 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 Colon typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111314141413141313131110
Data source: Colon 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 Colon

In May, Colon, Panama basks in a delightful average of 288 hours of sunshine, a pleasant respite following the peak of sunny days in March, which boasted an impressive 341 hours. As the year progresses, the sunlight gently recedes, with April still holding strong at 321 hours before May makes its appearance. This month marks a transitional phase, where the dry season begins to shift into the wet, influencing both the weather and the local ambiance. Despite a slight dip from April, May remains vibrant, setting the stage for the warmer months ahead while still allowing ample time to enjoy outdoor adventures before the rainy season fully takes hold in June.

Monthly Sunshine Duration in Colon: May Highlighted

The May sunshine duration represents the total number of hours Colon 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.
JanFebMarAprMayJunJulAugSepOctNovDec256h302h341h321h288h261h258h260h273h288h280h313h
Data source: Colon May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Colon During May

In Colon, Panama, May marks a notable dip in the likelihood of sunny weather, with only a 12% chance of clear skies. This trend follows a dramatic decrease from the previous months, where April enjoys a 21% chance of sunshine, hinting at the transition into the rainy season. As the months progress into the heart of the wet season from June onward, the chances of sunshine remain bleak, consistently hovering around 12%. This pattern highlights May as a turning point, where the vibrant sun of the earlier months gives way to increased cloud cover and rainfall, signaling to visitors that they may need to prepare for more diverse weather conditions.

Percentage of Sunny Days in May in Colon

The chart illustrates the percentage of sunny days in Colon 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 Colon experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec43%44%46%21%12%12%13%7%9%14%14%36%
Data source: Colon May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Colon in May

In Colon, Panama, the daylight duration exhibits a fascinating rhythm throughout the year. January and February greet the new year with a consistent 11 hours of daylight, setting a stable foundation. As March arrives, a slight increase to 12 hours heralds the onset of longer days, which persist through the warm months of April and May. This trend of 12 hours continues into the height of summer, providing ample light for exploration and adventure. However, as the year winds down, daylight gradually recedes back to 11 hours from October through December, mirroring the initial months and creating a harmonious balance throughout the seasons. This predictable cycle offers a delightful consistency, making Colon an ideal destination for year-round activities.

Average Daylight Hours in Colon for May

The chart illustrates the variation in daylight duration in Colon throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 38m11h 49m12h 4m12h 19m12h 32m12h 38m12h 34m12h 23m12h 9m11h 53m11h 41m11h 35m
Data source: Colon daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Colon

In Colon, Panama, the winds in May begin to transition towards the calmer months of the approaching rainy season. With an average wind speed of 2.9 m/s (7 mph), May experiences a noticeable dip compared to the breezier start of the year, where speeds hovered around 4.4 m/s (10 mph) in January and peaked at 4.9 m/s (11 mph) during March. This gradual decline continues into June, where winds slow further to 2.2 m/s (5 mph). Interestingly, despite May's decrease in speed, it remains a vibrant time in Colon, suggesting that the gentle breezes can create a pleasant atmosphere amid the lush, tropical backdrop. As the year progresses, the wind speeds tend to stabilize around the lower end, hinting at the calming embrace of Panama's wet season.

Average May Wind Speed in Colon

The chart displays monthly wind speed patterns in Colon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.44.74.93.62.9 m/s2.22.52.12.01.92.73.5
Data source: Colon May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Colon Compares to Other Months

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

May and January offer distinct weather conditions, reflecting the transition into and out of the wet season. In May, temperatures are slightly higher, with a minimum of 24°C (76°F) and an average of 27°C (81°F), peaking at 31°C (89°F). This month also experiences significant rainfall, with 285 mm (11.2 in) spread across 31 days, contributing to a humidity level of 73%. In contrast, January features milder temperatures, with a minimum of 23°C (73°F) and an average of 26°C (80°F), reaching a maximum of 30°C (87°F). Additionally, January is notably drier, receiving only 96 mm (3.8 in) of precipitation over 18 days and maintaining a similar humidity level of 72%. For a more detailed look at January's weather patterns, check out Colon weather in January.

In February, the weather in Colon offers mild temperatures with a minimum of 23°C (74°F) and a maximum of 31°C (88°F), averaging around 27°C (80°F). The month experiences relatively low precipitation, totaling just 42 mm (1.7 in) across 17 days, with humidity at a comfortable 71%. In stark contrast, May brings hotter conditions, with a minimum temperature of 24°C (76°F) and a similar maximum of 31°C (89°F), but an increase in average temperature to 27°C (81°F). However, May is marked by significantly heavier rainfall, totaling 285 mm (11.2 in) over 31 days and higher humidity at 73%. For more details, check out Colon weather in February.

In March, the weather features a minimum temperature of 23°C (74°F) and an average of 27°C (81°F), with a maximum reaching 31°C (88°F). The month sees around 57 mm (2.3 in) of precipitation over 19 days and a humidity level of 69%. In contrast, May experiences slightly higher temperatures, with a minimum of 24°C (76°F) and the same average maximum of 31°C (89°F). However, it is much wetter in May, receiving 285 mm (11.2 in) of rainfall spread over 31 days, and the humidity rises to 73%. Overall, while both months have similar temperatures, May is characterized by significantly higher rainfall and humidity compared to March. For more detailed insights, check out Colon weather in March.

In comparing the weather between April and May, both months exhibit similar temperature ranges, with minimums around 24°C (75°F), averages at 27°C (81°F), and maximums reaching 31°C (89°F). However, May experiences significantly higher precipitation, totaling 285 mm (11.2 in) over 31 days, compared to April's 129 mm (5.1 in) over 24 days. This increase in rain contributes to May's slightly higher humidity at 73%, versus April's 70%. For more detailed information on April's weather, you can refer to Colon weather in April.

In May, temperatures typically range from a minimum of 24°C (76°F) to a maximum of 31°C (89°F), with an average of 27°C (81°F). The month experiences significant rainfall, totaling 285 mm (11.2 in) over 31 days and a humidity level of 73%. In contrast, June maintains a similar temperature range with a minimum of 24°C (75°F) and an average of 27°C (81°F), but the maximum slightly increases to 32°C (89°F). Rainfall increases to 307 mm (12.1 in) over 29 days, resulting in higher humidity levels of 90%. Overall, while both months share similar temperature patterns, June is notably wetter and more humid. For more detailed insights, check out Colon weather in June.

In comparing the weather between May and July, we see some notable similarities and differences. Both months experience a minimum temperature of around 24°C (76°F) and an average temperature close to 27°C (81°F), indicating consistent warmth. However, the maximum temperature dips slightly in July to 30°C (87°F) from 31°C (89°F) in May.

On the precipitation front, July is significantly wetter, receiving 384 mm (15.1 in) compared to 285 mm (11.2 in) in May, and both months have the same number of rainy days at 31. This results in a higher humidity level in July at 88%, reflecting the increased rainfall. For more detailed information, you can visit Colon weather in July.

May and August share similar temperature ranges, with minimums around 24°C (76°F), averages of 27°C (81°F), and maximums reaching 31°C (89°F) in May and 31°C (88°F) in August. However, August experiences slightly higher precipitation, with 332 mm (13.1 in) over 30 days compared to May's 285 mm (11.2 in) across 31 days. Additionally, humidity levels are noticeably higher in August at 87%, compared to 73% in May, making August feel more oppressive. For more details, you can check out Colon weather in August.

In comparing May and September, we see that both months share similar temperature ranges, with minimums at 24°C (76°F), averages around 27°C (81°F), and maximums peaking at 31°C (89°F). However, September experiences slightly higher humidity at 87% compared to May's 73%, which can make it feel more muggy. Precipitation levels are also quite close, with May receiving 285 mm over 31 days and September totaling 279 mm over 29 days. For more detailed information on September weather, you can check Colon weather in September.

When comparing the weather in May and October, we find some similarities and differences. Both months feature a minimum temperature of around 24°C (75-76°F) and an average temperature close to 27°C (80-81°F). However, October tends to be slightly warmer at its maximum, reaching 32°C (90°F), compared to May's maximum of 31°C (89°F).

Precipitation levels are higher in October, with 314 mm (12.4 in) over 29 days, compared to May's 285 mm (11.2 in) over 31 days. This means October might feel wetter and more humid, with humidity levels peaking at 86%, compared to May's 73%. For more detailed information, you can visit Colon weather in October.

In May, temperatures range from a minimum of 24°C (76°F) to a maximum of 31°C (89°F), with an average of 27°C (81°F). This month experiences significant rainfall, totaling 285 mm (11.2 in) across 31 days, and a humidity level of 73%. In contrast, November sees slightly cooler temperatures, with a minimum of 24°C (75°F), an average of 26°C (80°F), and a maximum of 31°C (88°F). Precipitation is more pronounced in November, with 303 mm (11.9 in) spread over 28 days, and higher humidity at 86%. Overall, while both months have similar temperature ranges, November tends to be wetter and more humid. For more details, you can check Colon weather in November.

May and December exhibit relatively similar temperatures, with both months averaging around 27°C (81°F). However, May tends to be hotter, reaching a maximum of 31°C (89°F) compared to December's maximum of 30°C (87°F). In terms of precipitation, May is significantly wetter, receiving 285 mm (11.2 in) of rain over 31 days, while December sees only 175 mm (6.9 in) over 28 days. Moreover, humidity is slightly higher in December at 79%, compared to May's 73%, adding to the overall muggier feel during the latter month. For more detailed information, check out Colon weather in December.

Compare Colon's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Colon

In May, the weather in Colon stands out with its high humidity and consistent rainfall, receiving an impressive 285 mm of precipitation over the course of the month. Unlike the drier months preceding it, May sees the temperature hovering comfortably between a warm 24°C and 31°C, complemented by an average of 27°C. This combination makes May one of the wettest months, with rain frequent enough to count every single day. While the warmth remains inviting, the elevated humidity levels truly define May's atmosphere, setting it apart from the earlier months. For more detailed insights, be sure to check Colon Climate.