May Weather in Goias, Brazil

Last updated: August 21, 2025

In May, Goiás, Brazil experiences a delightful climate characterized by a maximum temperature reaching 33°C (92°F), averaging around 24°C (76°F) during the day. Nights can be cooler, with temperatures dipping to a minimum of 9°C (48°F). The month sees minimal precipitation, with only 10 mm (0.4 in) of rain over approximately 2 days, making it a great time for outdoor activities. The region's humidity level hovers around 68%, contributing to the pleasant yet vibrant atmosphere of early autumn.

May Temperature in Goias

In May, temperatures in Goiás, Brazil begin to shift as the region transitions into cooler months. The minimum temperature dips to a refreshing 9°C (48°F), offering a stark contrast to the warmer days of earlier months. Despite this drop at night, daytime sees a mild average of 24°C (76°F), providing pleasant weather for outdoor activities. With a maximum of 33°C (92°F), May remains comfortably warm without the intensity of the peak summer months, signaling an inviting time for visitors to explore the region's natural beauty while enjoying more moderate temperatures. This trend of cooler mornings and balmy afternoons makes May an appealing month for both locals and tourists alike.

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

The chart illustrates May temperature patterns in Goias, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Goias, 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).
JanFebMarAprMayJunJulAugSepOctNovDec787777777575747984827877
Data source: Temperature data for Goias 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 Goias

May in Goiás, Brazil, experiences a striking shift in precipitation patterns, characterized by a significant drop to just 10 mm (0.4 in) over a mere 2 days of rain. This sharp decline follows the typically wetter months of January through April, where rainfall amounts range from 92 mm (3.6 in) in April to a hefty 223 mm (8.8 in) in February. The transition into May marks the onset of the region’s dry season, leading into a June and July marked by almost complete dryness, with 0 mm of rainfall. This trend underscores the stark contrast between the earlier tropical rains and the impending arid conditions, highlighting the distinct seasonal cycles that define Goiás' climate. As May unfolds, the landscape prepares for the nearly rain-free weeks ahead, emphasizing the rhythm of nature in this vibrant Brazilian region.

May Precipitation Trends in Goias

The chart displays monthly precipitation patterns in Goias, 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 Goias, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec15322317692100016104190254
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Goias

In May, Goias experiences a notable drop in humidity, which sits at 68%, a significant decline from the muggy levels of previous months. Starting from a high of 89% in January and February, the region gradually transitions to drier air, with April still holding a fairly high humidity of 83%. As the year progresses, June marks the start of a consistent decrease, with humidity levels plummeting to just 60%. This shift not only signals the transition into the cooler, more comfortable months of the year but also sets the stage for an even drier atmosphere in the summer, where humidity can dip as low as 28% in October. Thus, May stands out as a pivotal point in Goias's climatic journey, bridging the humid season to the arid stretches ahead.

May Average Humidity in Goias

This chart illustrates the average monthly humidity levels in Goias, 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 Goias is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%89%89%83%68%60%53%43%33%29%61%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Goias

May in Goias, Brazil, offers a notable shift in UV radiation levels, with the UV Index dropping to 10—categorized as very high—compared to the extreme levels of previous months. This reduction allows for a slightly extended burn time of 15 minutes, providing a brief respite as the year transitions into cooler months. While the UV intensity remains significant, it signals the start of a gradual decline from the peak conditions of January through April, where indices soared to a remarkable 16. As summer fades, sun safety remains crucial; it’s essential to stay informed and protect your skin. For more details on UV trends throughout the year, explore Goias UV Index.

Maximum UV Index Levels in Goias for May

The chart shows the monthly maximum UV Index (UVI) for Goias 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 Goias typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1516141210991112141516
Data source: Goias 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 Goias

In May, Goiás, Brazil, basks in an impressive 326 hours of sunshine, reflecting a notable upward trend as the year progresses. Beginning with 247 hours in January, the sun's tenure gradually increases, peaking in July and August with an equal 332 hours, offering a warm, vibrant atmosphere that beckons outdoor enthusiasts. This period of abundant sunshine not only enhances the region's natural beauty but also fosters a lively cultural scene, as residents and visitors alike take advantage of the extended daylight. As the year transitions away from May, the sunshine remains plentiful, although it gently tapers off toward November's 278 hours. Overall, the sunny disposition of Goiás in May epitomizes the allure of Brazil's temperate climate, making it a perfect time for exploration and enjoyment.

Monthly Sunshine Duration in Goias: May Highlighted

The May sunshine duration represents the total number of hours Goias 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.
JanFebMarAprMayJunJulAugSepOctNovDec247h256h295h308h326h315h332h332h328h325h278h284h
Data source: Goias May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Goias During May

In May, Goias, Brazil, experiences a noticeable shift towards sunnier weather, with a 55% chance of sunshine—a significant increase from the preceding months. This trend suggests that as the year progresses, the likelihood of clear skies tends to improve notably, especially when compared to the earlier part of the year where chances hovered around a mere 17% in January and climbed gradually to April’s 45%. Following May, the sunshine continues to dominate, reaching a peak of 95% in July. This consistent upward trajectory highlights May as a prime time for those seeking brighter days, paving the way for outdoor adventures and enjoyable experiences in the beautiful landscapes of Goias.

Percentage of Sunny Days in May in Goias

The chart illustrates the percentage of sunny days in Goias 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 Goias experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec17%21%26%45%55%64%95%67%73%30%9%23%
Data source: Goias May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Goias in May

In Goias, Brazil, daylight duration displays a dynamic rhythm throughout the year. Starting with a consistent 12 hours of daylight from January to March, the days gradually shorten as April and May settle into 11 hours. This trend continues through the winter months of June and July, maintaining that same daylight length. As the seasons shift, the days begin to lengthen again in September, returning to 12 hours and then expanding further to 13 hours by December. This cyclical pattern highlights the region's balanced exposure to sunlight, making each month distinct yet interconnected in its daylight offerings.

Average Daylight Hours in Goias for May

The chart illustrates the variation in daylight duration in Goias throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 56m12h 35m12h 9m11h 42m11h 21m11h 10m11h 16m11h 35m12h12h 27m12h 50m13h 2m
Data source: Goias daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Goias

In May, Goiás, Brazil, experiences a gentle increase in wind speed, with averages reaching 2.2 m/s (5 mph). This upward trend from previous months hints at the transition towards the windswept days of winter, as April's winds at 1.9 m/s (4 mph) give way to breezier conditions. The momentum builds further in the following months, with June and July showcasing even stronger gusts. As the seasons shift, May serves as a pivotal month, heralding not just a slight uptick in wind but a promise of the invigorating breezes that characterize the region's climate.

Average May Wind Speed in Goias

The chart displays monthly wind speed patterns in Goias, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.61.61.92.2 m/s2.42.62.62.22.11.61.7
Data source: Goias May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Goias Compares to Other Months

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

In comparison to January, May offers a much warmer climate with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 33°C (92°F). January, on the other hand, maintains higher baseline temperatures, typically between 20°C (68°F) and 35°C (96°F), making it notably warmer at night. While May enjoys relatively low precipitation at 10 mm (0.4 in) over just 2 days, January experiences significantly heavier rainfall, averaging 153 mm (6.0 in) across 16 days, coupled with higher humidity levels of 87%. For a more detailed look at January's weather patterns, you can visit Goias weather in January.

When comparing the weather in May and February, we see notable differences in temperature and precipitation. May experiences milder temperatures, with a minimum of 9°C (48°F), an average of 24°C (76°F), and a maximum of 33°C (92°F). In contrast, February is significantly warmer, with a minimum of 20°C (67°F), an average of 25°C (77°F), and a peak of 36°C (97°F). Precipitation levels also vary greatly; May has only 10 mm (0.4 in) of rain over just 2 days, while February sees a substantial 223 mm (8.8 in) over 23 days, making it much wetter. The humidity in February is notably higher at 89%, compared to May’s 68%. For more details, you can visit Goias weather in February.

In comparing the weather of May and March, May presents a more moderate climate with an average temperature of 24°C (76°F), minimal precipitation of just 10 mm (0.4 in), and only 2 rainy days. In contrast, March tends to be warmer, featuring higher average temperatures at 25°C (78°F) with peaks reaching up to 35°C (94°F), but it experiences significantly more rainfall, totaling 176 mm (6.9 in) over 23 days. Additionally, March has a higher humidity level at 89%, compared to May's 68%. For further details on the conditions you can expect, check out Goias weather in March.

In comparing the weather of May and April, it is evident that May brings milder temperatures, with a minimum of 9°C and a maximum of 33°C, averaging around 24°C. In contrast, April experiences warmer temperatures, with a minimum of 15°C and a peak of 35°C, averaging 25°C. Additionally, precipitation levels vary significantly; May has only 10 mm of rain over just 2 days, while April sees a substantial 92 mm over 14 days, resulting in higher humidity at 83% in April compared to 68% in May. For more detailed information, you can check Goias weather in April.

In May, the weather features a minimum temperature of 9°C (48°F) and an average of 24°C (76°F), peaking at a maximum of 33°C (92°F). It also sees some precipitation, with around 10 mm (0.4 in) over two days, contributing to a humidity level of 68%. In contrast, June experiences milder mornings with a minimum temperature of 14°C (57°F) and maintains the same average and maximum temperatures as May. However, June is notably dryer, with no recorded precipitation and a lower humidity level of 60%. For more details, you can check Goias weather in June.

May and July exhibit some notable differences in weather conditions, particularly in terms of precipitation and humidity. In May, temperatures range from a minimum of 9°C (48°F) to a maximum of 33°C (92°F), with an average temperature of 24°C (76°F). This month experiences light rainfall, accumulating 10 mm (0.4 in) over 2 days and a higher humidity level of 68%. In contrast, July's weather remains relatively dry, boasting no recorded precipitation and a humidity drop to 53%. Although the temperature range remains similar, with a minimum of 9°C (49°F) and a maximum of 33°C (91°F), the overall conditions feel less humid and more comfortable. For more detailed insights, you can check Goias weather in July.

In May, the weather presents a relatively mild climate with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 33°C (92°F), averaging around 24°C (76°F). The month experiences some precipitation, with 10 mm (0.4 in) falling over two days, and humidity levels sitting at a comfortable 68%. In contrast, August brings warmer temperatures with a minimum of 16°C (61°F) and peaks at 37°C (99°F), averaging 26°C (79°F). August is notably drier, recording only 1 mm (0.0 in) of precipitation and zero rainy days, along with lower humidity levels at 43%. This shift in weather highlights the transition from the milder spring conditions of May to the hotter, drier summer climate typical of August. For more details, check Goias weather in August.

May typically offers a more moderate climate, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 33°C (92°F), accompanied by relatively higher humidity at 68%. The month sees about 10 mm (0.4 in) of precipitation over two days, indicating a mild level of rainfall. In contrast, September features warmer temperatures, with a minimum of 17°C (62°F) and a scorching maximum of 40°C (104°F), while maintaining lower humidity levels at 33%. Precipitation drops to just 6 mm (0.2 in) over a single day. For more details on September's weather in Goias, check this link: Goias weather in September.

In comparing the weather of May and October, one can observe notable differences in temperature and precipitation patterns. May features a pleasant range, with average temperatures around 24°C (76°F), peaking at 33°C (92°F) while experiencing relatively low precipitation of 10 mm (0.4 in) over just 2 days and humidity at 68%. In contrast, October brings a more intense climate, with temperatures ranging from a minimum of 18°C (64°F) to a scorching maximum of 41°C (106°F). The month also sees significantly higher rainfall at 104 mm (4.1 in) across 13 days and much lower humidity at 28%. Such variations highlight October as a much wetter and hotter month compared to the mild conditions of May. For more information, you can check Goias weather in October.

In comparing the weather of May and November, notable differences emerge. May experiences a more temperate climate, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 33°C (92°F) and an average of 24°C (76°F). The month is generally dry, with only 10 mm (0.4 in) of precipitation over two days, and humidity levels averaging 68%.

In contrast, November is markedly warmer, showcasing a minimum temperature of 19°C (67°F) and peaking at 36°C (96°F), with an average of 25°C (78°F). This month sees a substantial increase in rainfall, with approximately 190 mm (7.5 in) spread over 23 days, although the humidity is slightly lower at 61%. For more details on November weather in the region, you can check out Goias weather in November.

May weather is characterized by warmer temperatures, with daily averages ranging from a minimum of 9°C (48°F) to a maximum of 33°C (92°F). This month experiences relatively low precipitation, totaling just 10 mm (0.4 in) over about 2 days, and the humidity sits at a comfortable 68%. In contrast, December brings much higher temperatures, with a warm minimum of 19°C (67°F) and maximums reaching 35°C (96°F). However, this month sees significantly more rainfall, with 254 mm (10.0 in) over 23 days, and the humidity increases to a higher 84%. For more detailed information on December weather, check out Goias weather in December.

Compare Goias's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Goias

In May, Goiás experiences a delightful transition, featuring warmer temperatures and less humidity compared to the preceding months. With average highs reaching around 24°C (76°F), the weather is pleasantly mild, making it an ideal time for outdoor activities. Notably, the minimal precipitation of just 10 mm over a couple of days means you can expect plenty of sunshine, enhancing the vibrant scenery of the region. This shift offers a wonderful opportunity to explore Goiás' natural beauty before the more intense heat of the summer months sets in. To learn more about the unique climate characteristics throughout the year, check out Goias Climate.