May Weather in Sumpango, Guatemala

Last updated: August 21, 2025

In May, Sumpango, Guatemala, experiences a blend of warmth and moisture, with maximum temperatures reaching 30°C (87°F) and an average of 20°C (69°F). Nights can be cool, dropping to a minimum of 13°C (56°F), offering a refreshing breeze. This month is marked by significant rainfall, recording 153 mm (6.0 in) over approximately 22 days, resulting in 65% humidity that enhances the lushness of the region's landscape. This climate creates a vibrant atmosphere, ideal for experiencing the rich culture and natural beauty of Sumpango.

May Temperature in Sumpango

In May, Sumpango, Guatemala, transitions into a slightly warmer climate, characterized by a minimum temperature of around 13°C (56°F) and a comfortable average of 20°C (69°F), making it one of the more pleasant months for outdoor activities. As the temperatures peak at 30°C (87°F), visitors can enjoy the increasingly vibrant atmosphere while still experiencing cooler mornings and evenings. Unlike the preceding months, May marks the beginning of a gradual warming trend, as the region shifts from the milder temperatures of early spring to the warmer conditions of summer. This month is not only inviting for tourists but also highlights the charm of Sumpango, where the balance of warmth and coolness makes May an ideal time to explore its rich culture and stunning landscapes.

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

The chart illustrates May temperature patterns in Sumpango, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sumpango, 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).
JanFebMarAprMayJunJulAugSepOctNovDec626466686867676767666463
Data source: Temperature data for Sumpango 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 Sumpango

May in Sumpango, Guatemala, marks a significant shift in the region's precipitation patterns, as the total rainfall skyrockets to 153 mm (6.0 in) over 22 days of showers. This month experiences a dramatic increase compared to the preceding months, with April's 50 mm (2.0 in) serving as a mere prelude to May's lush downpours. The transition to the wet season is unmistakable, laying the groundwork for even heavier rains in June, which peaks at 258 mm (10.2 in). This rainfall not only revitalizes the landscape but also establishes May as a pivotal month for the region, setting the stage for the lush greenery typical of Sumpango’s tropical climate.

May Precipitation Trends in Sumpango

The chart displays monthly precipitation patterns in Sumpango, 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 Sumpango, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec117850153258941341901915112
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sumpango

In Sumpango, Guatemala, May marks a transition in humidity levels, with a notable 65% that sets the stage for the wetter months ahead. Following a trend from April’s lower 57%, May exhibits a slight increase as the region prepares for the upcoming rainy season. This rising humidity foreshadows the more intense moisture that will become prevalent in the following months, where readings escalate to 82% by August and October. As the year progresses, it’s clear that Sumpango experiences a significant spike in humidity, particularly during the latter half, making May a pivotal month that balances the drier early months with the lush conditions that characterize the region's lush climate.

May Average Humidity in Sumpango

This chart illustrates the average monthly humidity levels in Sumpango, 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 Sumpango is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%68%59%57%65%66%75%82%82%83%80%76%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Sumpango

In May, Sumpango, Guatemala, continues to experience an extreme UV Index of 14, maintaining the high levels seen in previous months. With a consistent burn time of just 10 minutes, residents and visitors alike should exercise caution when outdoors, as the intense sunlight can lead to rapid skin damage. The UV Index has shown remarkable stability throughout the year, peaking in March and April with an index of 15, but it remains significantly elevated in May and the adjacent months, underscoring the need for sun protection. As you plan your activities, remember to check the latest updates on the Sumpango UV Index to stay informed and safe.

Maximum UV Index Levels in Sumpango for May

The chart shows the monthly maximum UV Index (UVI) for Sumpango 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 Sumpango typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315151414151414131110
Data source: Sumpango 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 Sumpango

In Sumpango, Guatemala, the month of May shines brightly with an impressive 303 hours of sunlight, marking a slight decrease from the sun-drenched days of March's 319 hours and April's 310 hours. This gradual ebb in hours, common as the rainy season approaches, still provides ample opportunity to bask in the warm rays and enjoy the vibrant local culture. As spring transitions to summer, the sunlight remains generous, with July boasting 318 hours, bringing a revitalizing burst of brightness. Overall, the trend reveals that while May enjoys abundant sunshine, it also serves as a prelude to the lush greenery that follows in the months ahead.

Monthly Sunshine Duration in Sumpango: May Highlighted

The May sunshine duration represents the total number of hours Sumpango 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.
JanFebMarAprMayJunJulAugSepOctNovDec247h281h319h310h303h278h318h311h293h280h293h307h
Data source: Sumpango May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sumpango During May

As spring gives way to summer in Sumpango, Guatemala, the likelihood of sunny weather takes a noticeable dip in May, with only 21% chance of sunshine. This marks a decline from the more promising days of January, February, and March, where the chances hovered between 43% and 62%. April also shows better prospects at 33%, but the overcast skies of May signal the onset of the rainy season, which continues to take hold through June and beyond, where sunlit moments diminish further to just 13%. Thus, if you're planning a visit to Sumpango in May, be prepared for a higher likelihood of clouds and showers than sun-drenched days.

Percentage of Sunny Days in May in Sumpango

The chart illustrates the percentage of sunny days in Sumpango 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 Sumpango experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%62%55%33%22%13%24%16%20%34%37%57%
Data source: Sumpango May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sumpango in May

In Sumpango, Guatemala, the daylight duration follows a distinctive pattern throughout the year, showcasing a remarkable consistency that reflects its tropical climate. From January through February, the days begin with a stable 11 hours of sunlight, gradually transitioning to 12 hours by March and maintaining this longer duration from April to August. As summer reaches its peak in June and July, residents enjoy ample daylight, which then gently shifts back to 11 hours as the year wraps up in October. This gradual ebb and flow highlights a rhythmic cycle of daylight that invites both residents and visitors to embrace the changing seasons amidst a backdrop of stunning natural beauty.

Average Daylight Hours in Sumpango for May

The chart illustrates the variation in daylight duration in Sumpango throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 21m11h 39m12h 3m12h 27m12h 48m12h 58m12h 52m12h 34m12h 10m11h 46m11h 26m11h 15m
Data source: Sumpango daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Sumpango

In Sumpango, Guatemala, the winds of May tend to be among the gentler breezes of the year, with an average speed of just 1.7 m/s (4 mph). This marks a noticeable decline from the stronger gusts of early spring, such as the 2.4 m/s (5 mph) recorded in March and the 2.0 m/s (4 mph) in April. As the region transitions into the warmer months, wind speeds further decrease, reaching their yearly low of 1.3 m/s (3 mph) in June. Interestingly, the pattern reveals a cyclical rise and fall throughout the year, with the wind returning to more vigorous speeds again by November. This gentle May breeze provides a serene backdrop for outdoor activities, perfectly complementing the vibrant atmosphere of Sumpango during this time.

Average May Wind Speed in Sumpango

The chart displays monthly wind speed patterns in Sumpango, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.32.22.42.01.7 m/s1.32.11.71.51.62.42.1
Data source: Sumpango May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Sumpango Compares to Other Months

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

May and January offer contrasting weather experiences. In May, temperatures range from a minimum of 13°C (56°F) to a maximum of 30°C (87°F), with an average of 20°C (69°F), making it warmer overall. However, this month sees significant precipitation, with 153 mm (6.0 in) falling over 22 days, contributing to a relative humidity of 65%. In contrast, January presents cooler conditions, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 29°C (85°F), averaging 17°C (62°F). It is much drier, receiving only 11 mm (0.4 in) of rain across just 3 days, albeit with slightly higher humidity at 76%. For those considering a visit, more detailed information can be found at Sumpango weather in January.

May and February present distinctly different weather characteristics. While May enjoys warmer temperatures with a minimum of 13°C (56°F), an average of 20°C (69°F), and a peak of 30°C (87°F), February is cooler, starting at a minimum of 8°C (47°F) and reaching an average of 18°C (65°F) with a similar maximum of 30°C (86°F). Notably, February is much drier, featuring only 7 mm (0.3 in) of precipitation over just 1 day compared to May's 153 mm (6.0 in) spread over 22 days, resulting in a more humid environment despite February's higher humidity level of 68%. For more detailed information about February weather, you can visit Sumpango weather in February.

In comparing the weather between May and March, May tends to be warmer overall, with average temperatures reaching 20°C (69°F), compared to March's average of 19°C (66°F). However, March features a slightly lower minimum temperature of 9°C (48°F) and a maximum that matches May at 31°C (87°F). Precipitation levels differ significantly, with May experiencing 153 mm (6.0 in) of rain spread over 22 days, while March sees minimal rainfall of only 8 mm (0.3 in) on just 1 day. Additionally, humidity levels are slightly higher in May at 65%, compared to 59% in March. For more detailed information on weather conditions for March, you can refer to Sumpango weather in March.

In comparing the weather of April and May, we see notable differences in both temperature and precipitation. April features a minimum temperature of 8°C (47°F) with an average of 20°C (69°F) and a maximum of 31°C (88°F). In contrast, May's minimum temperature rises to 13°C (56°F), while maintaining the same average of 20°C (69°F) and a slightly lower maximum of 30°C (87°F).

However, May is characterized by significantly higher precipitation, receiving 153 mm (6.0 in) over 22 days compared to April's 50 mm (2.0 in) over just 9 days. Additionally, the humidity increases in May to 65%, compared to April's 57%, making May feel more humid overall. For more detailed insights on April weather, you can visit Sumpango weather in April.

May and June exhibit notable differences in weather patterns, with May generally offering slightly warmer temperatures compared to June. In May, the minimum temperature is around 13°C (56°F), with an average of 20°C (69°F), and a maximum reaching up to 30°C (87°F). Meanwhile, June maintains the same minimum temperature but sees a drop in average temperature to 19°C (67°F) and a maximum of 28°C (82°F).

However, June is characterized by significantly heavier rainfall, with precipitation measuring 258 mm (10.2 in) over 25 days, compared to May's 153 mm (6.0 in) over 22 days. Humidity levels remain consistent, with June recording 66% compared to May's 65%. For a more detailed look at June's weather in Sumpango, you can visit Sumpango weather in June.

In May, the weather offers a pleasant range of temperatures with a minimum of 13°C (56°F) and an average of 20°C (69°F), reaching a maximum of 30°C (87°F). However, it comes with considerable precipitation, totaling 153 mm (6.0 in) over 22 days, and a humidity level of 65%. In contrast, July sees slightly cooler temperatures, with an average of 19°C (67°F) and a maximum of 29°C (85°F). The precipitation drops significantly to 94 mm (3.7 in) over just 15 days, but the humidity rises to 75%. Overall, July is drier yet more humid, offering a different experience compared to the wetter May. For more insights on July weather, check out Sumpango weather in July.

In May, temperatures range from a minimum of 13°C (56°F) to a maximum of 30°C (87°F), with an average of 20°C (69°F). The month experiences considerable rainfall, with a total of 153 mm (6.0 in) spread across 22 days, and humidity levels at a moderate 65%. In contrast, August sees similar temperature ranges, maintaining a minimum of 13°C (55°F) and a maximum of 29°C (85°F), but with a slightly lower average of 19°C (67°F). Precipitation in August totals 134 mm (5.3 in), falling over 20 days, and humidity rises significantly to 82%. For a closer look at August weather specifics, visit Sumpango weather in August.

In comparing the weather of May and September, we see notable differences in temperature and humidity. May tends to be warmer, with average temperatures reaching 20°C (69°F) and maximums of 30°C (87°F), while September’s averages drop slightly to 19°C (67°F) with a maximum of 28°C (82°F). Additionally, September experiences higher precipitation, totaling 190 mm (7.5 in) over 25 days compared to May's 153 mm (6.0 in) over 22 days. The humidity in September is also higher at 82%, compared to May's 65%. For more detailed information, visit Sumpango weather in September.

May and October exhibit relatively similar temperature ranges, with May boasting slightly warmer averages and maximums. In May, temperatures range from a minimum of 13°C (56°F) to a maximum of 30°C (87°F), while October sees temperatures from 12°C (54°F) to 29°C (84°F). However, October is characterized by higher humidity at 83%, compared to May's 65%. Additionally, October experiences more precipitation, with 191 mm (7.5 in) over 23 days, whereas May receives 153 mm (6.0 in) across 22 days. For more detailed weather insights in October, check out Sumpango weather in October.

May and November present distinct contrasts in weather characteristics. May typically boasts warmer daytime temperatures, with an average high of 30°C (87°F) and a relatively mild minimum of 13°C (56°F). However, it also experiences significant rainfall, with precipitation occurring on about 22 days and totaling 153 mm (6.0 in), accompanied by a humidity level of 65%. In contrast, November features cooler temperatures, with an average high of 28°C (82°F) and a minimum of 9°C (49°F). Precipitation is notably less frequent, with only 51 mm (2.0 in) falling over 8 days and a higher humidity level of 80%. For more specific insights into November weather patterns, you can check this link: Sumpango weather in November.

May and December present stark contrasts in weather. In May, temperatures range from a minimum of 13°C (56°F) to a maximum of 30°C (87°F), with an average of 20°C (69°F). The month is characterized by considerable rainfall, accumulating to 153 mm (6.0 in) over 22 days, and a humidity level of 65% that contributes to a muggy atmosphere.

In contrast, December experiences milder temperatures, with a minimum of 6°C (43°F) and a maximum of 28°C (83°F), averaging 17°C (63°F). Precipitation drops significantly to just 12 mm (0.5 in) over only 2 days, but the humidity is slightly higher at 76%, creating a crisp yet damp feel. For more detailed weather information, check out Sumpango weather in December.

Compare Sumpango's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Sumpango

May in Sumpango brings a distinct change in weather as the temperatures rise, offering a pleasantly warm average that contrasts with the cooler months preceding it. The increase in humidity and frequent rainfall—spanning over three weeks—ushers in a lush environment, setting the stage for vibrant greenery and a flourishing landscape. These rainy days, while a hallmark of May, provide a refreshing shift from the drier conditions of earlier months, making it a unique time to experience the natural beauty of the region. For more detailed insights into Sumpango's overall climate throughout the year, visit Sumpango Climate.