May Weather in Palmas, Brazil

Last updated: August 21, 2025

In Palmas, Brazil, May brings a delightful mix of mild temperatures and refreshing rainfall. With maximum temperatures averaging 26°C (80°F) and a comfortable average of 14°C (58°F), the days are warm yet pleasant. However, nighttime can drop to a brisk 0°C (33°F). The month is characterized by a generous precipitation of 145 mm (5.7 in) over approximately 10 days, contributing to an elevated humidity level of 86%. This combination creates a lush, vibrant landscape, making May an inviting time for nature enthusiasts and adventurers alike.

May Temperature in Palmas

In May, Palmas, Brazil experiences a notable shift in temperatures, with a minimum of 0°C (33°F) and a comfortable average of 14°C (58°F). The maximum temperature reaches around 26°C (80°F), marking a transition towards milder conditions as the region edges closer to winter. This is a departure from the warmer summer months, where highs often peak around 31°C (89°F). The gradual cooling trend observed from April to May signals the start of the winter season, but the temperatures remain relatively mild, allowing for enjoyable outdoor activities. This blend of crisp mornings and pleasantly warm afternoons makes May a unique time to explore the beauty of Palmas.

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

The chart illustrates May temperature patterns in Palmas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Palmas, 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).
JanFebMarAprMayJunJulAugSepOctNovDec696867625756555764646668
Data source: Temperature data for Palmas 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 Palmas

In May, Palmas, Brazil experiences a moderate precipitation level of 145 mm (5.7 in), occurring over 10 days. This amount marks a slight increase from April's drier weather, where only 71 mm (2.8 in) fell across just 7 days. As the rainy season transitions, May's rainfall plays a crucial role in sustaining the region's lush greenery. Following a trend established in the preceding months, the city continues to enjoy ample moisture, setting the stage for the relatively wetter months ahead, especially as it approaches the significantly wetter periods of October and November, which typically feature heavier downpours.

May Precipitation Trends in Palmas

The chart displays monthly precipitation patterns in Palmas, 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 Palmas, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec19513712571145136549398188148156
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Palmas

May ushers in the peak of humidity in Palmas, Brazil, reaching 86%, a slight increase from April's 84%. This trend of rising humidity is consistent with the patterns observed earlier in the year, where the warm months of January through April showcased high humidity levels ranging from 81% to 85%. As the region transitions into the drier months, a noticeable dip occurs in July, where humidity drops to 77%, before gradually stabilizing in subsequent months. This climatic rhythm highlights Palmas' tropical essence, ensuring that residents and visitors alike experience an environment steeped in warmth and moisture as they embrace the vibrant energy of May.

May Average Humidity in Palmas

This chart illustrates the average monthly humidity levels in Palmas, 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 Palmas is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%81%82%84%86%84%77%70%75%76%84%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Palmas

In May, Palmas, Brazil experiences a notable drop in the UV Index, registering 7, which falls into the high exposure category. This is a welcome change from the extreme levels observed in the previous months, allowing for a longer safe exposure time of 25 minutes before sunburn sets in. As the year progresses, there’s a noticeable trend where the UV Index dips during the mid-year months, providing an opportunity for residents and visitors to enjoy the outdoors with a little more comfort. However, it's essential to stay informed about sun safety, especially as the index can quickly rise again in the coming months. For detailed information and updates, check out Palmas UV Index.

Maximum UV Index Levels in Palmas for May

The chart shows the monthly maximum UV Index (UVI) for Palmas 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 Palmas typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15151311766811141515
Data source: Palmas 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 Palmas

May in Palmas, Brazil, often offers a delightful blend of warm weather and ample sunshine, boasting an impressive 239 hours of sunlight. While this month falls slightly below the summer peak of February and November, it still enjoys a vibrant atmosphere characterized by longer, sun-kissed days. In contrast to the quieter January and June, which both provide 226 hours, May's sun-soaked hours create an inviting environment for outdoor activities and social gatherings. As the year progresses, the trend shows a gradual increase in daylight hours, culminating in the stunning brightness of December, making May a perfect prelude to the year's sunniest months.

Monthly Sunshine Duration in Palmas: May Highlighted

The May sunshine duration represents the total number of hours Palmas 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.
JanFebMarAprMayJunJulAugSepOctNovDec226h294h288h277h239h226h274h275h277h264h308h334h
Data source: Palmas May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Palmas During May

In Palmas, Brazil, May marks a delightful shift towards sunnier days, boasting a 63% chance of sunshine. This increased likelihood is part of a broader trend, as spring transitions into the dry season, bringing more consistent and favorable weather. Following the relatively sunny months of April and July, both at 63%, May serves as a bridge, maximizing outdoor opportunities while edging towards the drier months. The sunny forecast not only enhances the charm of this enchanting city but also invites locals and visitors alike to revel in nature’s vibrant display during this splendid time of year.

Percentage of Sunny Days in May in Palmas

The chart illustrates the percentage of sunny days in Palmas 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 Palmas experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%54%45%54%63%40%63%57%49%29%50%61%
Data source: Palmas May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Palmas in May

In Palmas, Brazil, the rhythm of daylight serves as a captivating backdrop throughout the year. From the longest days in January and November, each boasting around 13 hours, a gradual decrease marks the transition into May, where daylight dips to 10 hours. This reduction continues into the cooler months of June and July, yet daylight remains stable at 10 hours during this time. As the year progresses, daylight begins to linger longer once again: by August and September, the days stretch back to 11 hours. Finally, as summer approaches, daylight returns to a more generous length in October. The cyclic ebb and flow of sunlight not only underscores the beauty of Palmas but also enriches its vibrant ecosystems and lifestyle.

Average Daylight Hours in Palmas for May

The chart illustrates the variation in daylight duration in Palmas throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 34m12h 57m12h 12m11h 25m10h 47m10h 29m10h 39m11h 12m11h 56m12h 43m13h 24m13h 45m
Data source: Palmas daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Palmas

In Palmas, Brazil, May brings a gentle breeze with an average wind speed of 2.7 m/s (6 mph), marking it as one of the calmer months of the year. Following the slightly breezier April, which recorded 3.0 m/s (7 mph), May's winds tend to soften, reminiscent of the trend seen in February and March with their consistent 2.8 m/s (6 mph). However, as the year progresses into June, the winds pick up again, indicating a seasonal shift with speeds climbing back to 3.1 m/s (7 mph). This pattern highlights the dynamic nature of Palmas' climate, where the spring months offer a more tranquil atmosphere before the winds begin to gather strength in the following season.

Average May Wind Speed in Palmas

The chart displays monthly wind speed patterns in Palmas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.42.82.83.02.7 m/s3.13.23.63.43.33.03.1
Data source: Palmas May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Palmas Compares to Other Months

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

May and January present contrasting weather conditions. In May, temperatures range from a minimum of 0°C (33°F) to a maximum of 26°C (80°F), with an average of 14°C (58°F). The month sees about 145 mm (5.7 in) of precipitation across 10 days, accompanied by high humidity levels at 86%. In contrast, January offers warmer temperatures, with a range from 12°C (54°F) to 31°C (89°F) and an average of 20°C (69°F). However, it also experiences more rainfall, totaling 195 mm (7.7 in) over 18 days, while maintaining a slightly lower humidity of 85%. For a detailed look at January weather conditions, you can visit Palmas weather in January.

In comparing the weather between May and February, one can observe notable differences in temperature and precipitation patterns. May experiences a minimum temperature of 0°C (33°F) and an average of 14°C (58°F), with a maximum of 26°C (80°F). In contrast, February features a milder climate, with minimum temperatures starting at 8°C (46°F) and reaching an average of 20°C (68°F), peaking at 31°C (89°F). While May receives about 145 mm (5.7 in) of precipitation over 10 days, February is slightly drier at 137 mm (5.4 in) but has precipitation on more days, totaling 17. Interestingly, humidity levels are relatively similar, with May at 86% and February slightly lower at 81%. For more detailed information about February weather, you can visit Palmas weather in February.

In comparing the weather between May and March, March tends to be warmer overall, with average temperatures reaching 19°C (67°F) and maximums hitting 30°C (86°F). In contrast, May sees a cooler average of 14°C (58°F) and a maximum of 26°C (80°F). While both months experience significant rainfall, May receives slightly more precipitation at 145 mm (5.7 in) compared to March's 125 mm (4.9 in), albeit with a difference in the number of rainy days—15 in March versus 10 in May. Additionally, the humidity levels are fairly high in both months, with May at 86% and March at 82%. For a detailed look at March weather in Palmas, you can visit Palmas weather in March.

In comparing the weather patterns of May and April, May tends to be cooler overall, with average temperatures ranging from a minimum of 0°C (33°F) to a maximum of 26°C (80°F), in contrast to April's slightly warmer temperatures, which range from a minimum of 3°C (37°F) to a maximum of 27°C (80°F). Additionally, May experiences significantly higher precipitation, totaling 145 mm (5.7 in) over approximately 10 days, compared to April's 71 mm (2.8 in) across 7 days. Both months show similar humidity levels, with May at 86% and April at 84%. For those looking to explore April-specific conditions, you can find more information here: Palmas weather in April.

In May, the weather features a broader temperature range, with minimums reaching 0°C (33°F) and highs hitting 26°C (80°F), while June experiences slightly cooler temperatures, with a minimum of -3°C (27°F) and a maximum of 25°C (77°F). Both months see a similar amount of precipitation, with May totaling 145 mm (5.7 in) and June slightly less at 136 mm (5.4 in), both spread across 10 days. Humidity remains consistent, with May at 86% and June slightly lower at 84%. For more insights into June's weather, visit Palmas weather in June.

In May, the weather is generally milder with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 26°C (80°F) and an average of 14°C (58°F). This month sees higher precipitation levels at 145 mm (5.7 in) spread over 10 days, and humidity is notably high at 86%. In contrast, July experiences slightly cooler temperatures with a minimum of -4°C (25°F) and an average of 13°C (55°F), peaking at 25°C (77°F). The precipitation in July is significantly lower at 54 mm (2.1 in) over just 6 days, and the humidity is reduced to 77%. For more details, you can check Palmas weather in July.

May generally presents milder temperatures with a minimum of 0°C (33°F) and an average of 14°C (58°F), reaching up to a maximum of 26°C (80°F). It also experiences higher humidity levels at 86%, accompanied by significant precipitation of 145 mm (5.7 in) over about 10 days. In contrast, August features slightly cooler temperatures, with a minimum of -2°C (29°F) and an average of 14°C (57°F), while maximum temperatures can reach 29°C (84°F). August sees less precipitation, totaling 93 mm (3.6 in) over only 7 days, and lower humidity at 70%. For more details, check Palmas weather in August.

May and September exhibit distinct weather characteristics. In May, temperatures range from a chilly 0°C (33°F) to a warm 26°C (80°F), with an average of 14°C (58°F). This month experiences higher precipitation, totaling 145 mm (5.7 in) over about 10 days, accompanied by a high humidity level of 86%. In contrast, September offers a milder climate, with temperatures starting at a minimum of 5°C (41°F) and peaking at 31°C (88°F), averaging around 18°C (64°F). Rainfall is less frequent in September, totaling 98 mm (3.9 in) across 9 days, and the humidity decreases to 75%. For a detailed look at weather patterns during this month, check out Palmas weather in September.

May and October present distinct weather patterns, showcasing the transition between spring and autumn. In May, temperatures range from a minimum of 0°C (33°F) to a maximum of 26°C (80°F), with an average of 14°C (58°F), and the month experiences 145 mm (5.7 in) of precipitation over approximately 10 days, accompanied by high humidity at 86%. In contrast, October features milder weather with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 32°C (90°F) and an average of 18°C (64°F). Precipitation increases to 188 mm (7.4 in) over 16 days, but humidity drops to a more comfortable 76%. For a closer look at October weather, check out Palmas weather in October.

In comparing the weather between May and November, we notice some interesting contrasts and similarities. May experiences cooler temperatures, with a minimum of 0°C (33°F) and an average of 14°C (58°F), while November offers milder conditions, with temperatures ranging from a minimum of 9°C (48°F) to an average of 19°C (66°F). However, November features slightly higher maximum temperatures, peaking at 30°C (86°F) compared to May's 26°C (80°F). Precipitation levels are quite similar, with May receiving 145 mm (5.7 in) over 10 days and November recording 148 mm (5.8 in) over 12 days, indicating a comparable amount of rainfall. Humidity remains relatively high in both months, at 86% in May and 84% in November. For more details on November weather, you can check Palmas weather in November.

May and December exhibit contrasting weather patterns, with May characterized by cooler temperatures and higher humidity. In May, temperatures range from a chilly minimum of 0°C (33°F) to a comfortable maximum of 26°C (80°F), while December enjoys warmer averages, peaking at 31°C (88°F) with a minimum of 7°C (46°F). Despite December having slightly more precipitation, totaling 156 mm (6.1 in) over 16 days, May experiences substantial rainfall as well, with 145 mm (5.7 in) across 10 days. Humidity remains relatively high in both months, at 86% in May and 88% in December. For more detailed insights into December weather, visit Palmas weather in December.

Compare Palmas's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Palmas

As May arrives in Palmas, the weather shifts to a unique blend of cooler temperatures and increased humidity, creating a refreshing atmosphere compared to the warmer months. With an average temperature of 14°C, mornings and evenings become pleasantly crisp, while the days see a comfortable warmth peaking at 26°C. However, this month also brings a noticeable uptick in precipitation, with rain gracing the city on about 10 days, contributing to the lush, vibrant scenery. For those seeking insights into the overall climate trends of Palmas, detailed information can be found at Palmas Climate.