Last updated: August 21, 2025
May in Goiânia, Brazil presents a delightful blend of mild temperatures and refreshing rain. With maximum temperatures reaching 31°C (88°F) and an average of 22°C (72°F), residents and visitors can enjoy pleasant outdoor activities under the warm sun. However, the month can also bring cooler spells, with temperatures dipping to a minimum of 5°C (42°F). Humidity levels hover around 67%, creating a comfortable atmosphere for most of the month. Rainfall is limited, averaging only 12 mm (0.5 in) across a couple of days, making May an ideal time for enjoying the lush landscapes without the heavy downpours typical of the rainy season.
In May, Goiânia experiences a noticeable shift in temperatures, embracing the cooler early winter months. With a minimum temperature dipping to a brisk 5°C (42°F), it marks the coldest point of the year, while the average temperature hovers around a pleasant 22°C (72°F), providing a comfortable backdrop for outdoor activities. The maximum reaches a delightful 31°C (88°F), making afternoons pleasantly warm yet bearable. This month reflects a transitional phase, moving away from the humid heat of summer, and offers a refreshing reprieve, as residents enjoy the balmy climate during the day and the crisp, cool nights that May brings to this vibrant Brazilian city.
In May, the precipitation in Goiânia, Brazil, drops significantly to just 12 mm (0.5 in), marking a departure from the heavier rainfall seen in the preceding months. This decline is evident in the limited 2 days of rain, contributing to an overall trend of reduced moisture as the dry season approaches. As the city transitions into June, where a startlingly low 1 mm is recorded, it's clear that May acts as a bridge between the wet months of early autumn and the drier winter. This shift not only drastically alters the landscape but also influences agricultural practices and water resources in the region.
In May, Goiania experiences a notable shift in humidity, dropping to 67% from the previous months' higher levels. This decline marks a distinct departure from the humidity peaks of January and February, which hovered around 85% to 89%. As the city transitions toward the cooler dry season, humidity continues to decrease, paving the way for the drier months ahead, where June sees a further reduction to 62% and July dips to 56%. This trend reflects a gradual and welcome relief from the cloying moisture that characterizes the earlier part of the year, leading to more comfortable outdoor conditions as residents embrace the milder climate.
In May, Goiania experiences a very high UV Index of 10, signaling that sun protection is essential, especially for those planning to spend time outdoors. While this marks a decrease from the extreme levels seen during the summer months of January through April, the 15-minute burn time indicates that the sun's rays are still potent. This shift suggests a slight reprieve as the region transitions into the cooler months, but it's important to remember that UV exposure remains significant until late in the year. As summer approaches, the UV Index is likely to rise again, making it vital for residents and visitors to stay informed about sun safety. For comprehensive insights on UV levels, check out Goiania UV Index.
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In May, Goiania basks in 318 hours of sunshine, marking one of the sunniest months of the year. This rise in daylight continues the upward trend seen since March, when the city welcomed 309 hours. Following the warmth of summer, the days grow longer, with June and July reaching peak brightness at 315 and 330 hours respectively. Overall, the period from March to July showcases sequential increases in sunshine, creating a vibrant atmosphere that encourages outdoor activities and community gatherings. As the year unfolds, the sunlight-rich months serve as a delightful prelude to the city's warmer seasons, inviting locals and visitors alike to enjoy the glow of Goiania's sunny disposition.
In Goiania, Brazil, the likelihood of sunny weather sees a notable increase as we transition into May, with chances climbing to 54%—a significant leap from the previous months. This upward trend continues, reaching its peak in July when sunlit days soar to an impressive 95%. May is a turning point, offering residents and visitors alike a taste of the radiant blue skies that characterize the region’s dry season. As the warmer months unfold, the probability of sunshine solidifies, creating an ideal backdrop for outdoor activities and festivities under the vibrant Brazilian sun.
In Goiânia, Brazil, the transition into May marks a subtle shift in daylight duration, with the city experiencing around 11 hours of sunlight—consistent with the previous month, April. As the year unfolds, daylight during the earlier months remains stable at 12 hours, providing a balanced glow that is characteristic of the Brazilian summer. Following the bright months of January through March, May's slightly shorter days signal the approach of winter, accompanied by a gradual decrease in daylight that persists into the mid-year months. As spring fades into winter, residents can look forward to the return of longer days starting in September, illustrating a rhythmic ebb and flow in light that beautifully complements the tropical climate of Goiânia.
As May arrives in Goiânia, Brazil, the gentle breezes pick up slightly, with average wind speeds reaching 2.1 m/s (5 mph), marking a noticeable increase from the preceding months. This trend of gradual escalation, beginning in April, continues into June, where the winds further strengthen to 2.3 m/s (5 mph). Observing the broader context of the year, a clear pattern emerges: wind speeds consistently rise during the winter months, peaking in July and August at 2.5 m/s (6 mph) and 2.7 m/s (6 mph), respectively. The seasonal transition also highlights a refreshing shift in the atmosphere, offering residents and visitors alike a welcome change as they enjoy the vibrant hues of late autumn.
Weather in Goiania varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Goiania, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present striking contrasts in weather. In May, temperatures range from a cool minimum of 5°C (42°F) to a comfortable average of 22°C (72°F), peaking at a warm 31°C (88°F). The month is relatively dry, with only 12 mm (0.5 in) of precipitation over just 2 days, accompanied by a humidity level of 67%. In contrast, January experiences warmer temperatures, with a minimum of 16°C (61°F) and an average of 24°C (76°F), soaring to a maximum of 34°C (93°F). However, it is much wetter, receiving 130 mm (5.1 in) of rainfall over 15 days and higher humidity at 85%. For more details, you can check Goiania weather in January.
May and February present contrasting weather patterns. In May, temperatures range from a minimum of 5°C (42°F) to a maximum of 31°C (88°F), offering a warm average of 22°C (72°F) with relatively low precipitation of 12 mm (0.5 in) over just 2 days. The humidity in May is moderate at 67%, making it a pleasant time for outdoor activities. In stark contrast, February features warmer temperatures, with a minimum of 18°C (65°F) and a peak of 33°C (92°F), and an average of 24°C (75°F). However, February is characterized by significantly higher rainfall, accumulating 225 mm (8.9 in) across 21 days and a higher humidity level of 89%. For more details, check Goiania weather in February.
In comparing the weather between March and May, we see notable differences in temperature and precipitation patterns. March experiences warmer temperatures overall, with a minimum of 16°C (61°F) and an average of 24°C (75°F), peaking at 33°C (91°F). In contrast, May starts cooler, with minimum temperatures of 5°C (42°F) and an average of 22°C (72°F), reaching a maximum of 31°C (88°F). Additionally, March is significantly wetter, recording 137 mm (5.4 in) of precipitation over 19 days, while May is much drier, receiving only 12 mm (0.5 in) across just 2 days. The humidity is also higher in March at 89%, compared to 67% in May, making March feel more humid and sticky. For a more detailed look at March weather, you can visit Goiania weather in March.
Comparing the weather between April and May reveals notable differences. April experiences higher minimum temperatures ranging from 14°C (58°F) to a maximum of 32°C (90°F), resulting in an average temperature of 24°C (75°F). This month also sees significant rainfall, with 80 mm (3.2 in) over 13 days, and higher humidity at 80%. In contrast, May offers milder temperatures, with a minimum of 5°C (42°F) and a maximum of 31°C (88°F), leading to a more comfortable average of 22°C (72°F). Additionally, precipitation decreases sharply to only 12 mm (0.5 in) over just 2 days, and humidity drops to 67%. For more detailed information on April weather, you can visit Goiania weather in April.
May and June offer similar temperature ranges, with both months experiencing maximums of 31°C (88°F) and averages around 22°C (72°F). However, May tends to be cooler at night with minimum temperatures of 5°C (42°F), compared to June’s milder lows of 11°C (53°F). In terms of precipitation, May receives more rain, with 12 mm (0.5 in) over two days, while June boasts a much drier profile with only 1 mm (0.0 in) and no rainy days. Additionally, June has lower humidity at 62%, compared to May's 67%. For more details, you can check Goiania weather in June.
In May, the weather experiences a wider temperature range, with minimums dipping to 5°C (42°F) and maximums reaching up to 31°C (88°F), resulting in an average temperature of 22°C (72°F). This month also brings some light rainfall, with about 12 mm (0.5 in) of precipitation over just two days, contributing to a humidity level of 67%. In contrast, July's conditions are consistently warmer, with minimum temperatures at 7°C (45°F) and an average of 21°C (70°F). Notably, July remains dry, with no recorded precipitation and a lower humidity of 56%. For more detailed insights, you can check Goiania weather in July.
In May, temperatures in Goiania range from a cool 5°C (42°F) at night to a warm 31°C (88°F) during the day, with an average of 22°C (72°F). This month also sees around 12 mm (0.5 in) of precipitation over two days, contributing to a relatively high humidity of 67%. In contrast, August experiences milder nights, with temperatures starting at 11°C (52°F) and rising to a maximum of 34°C (94°F), yielding an average temperature of 24°C (75°F). Notably, August enjoys much drier conditions, with only 1 mm (0.0 in) of precipitation and no rainy days, leading to lower humidity levels of 47%. For more details about the weather in August, you can check Goiania weather in August.
In May, the weather features a more moderate temperature range with minimums around 5°C (42°F) and daily averages of 22°C (72°F), peaking at 31°C (88°F). The month experiences a slightly higher humidity level at 67% and a couple of days of rain, accumulating about 12 mm (0.5 in) of precipitation. In contrast, September sees warmer temperatures with a minimum of 13°C (55°F) and a significantly higher average of 27°C (80°F), reaching maximums up to 38°C (101°F). The humidity drops to a more comfortable 36%, and precipitation is minimal, only about 10 mm (0.4 in) over just one day. For more details on September conditions, you can check Goiania weather in September.
May and October present contrasting weather patterns. May typically enjoys milder temperatures, with a minimum of 5°C and an average high of 31°C, while precipitation is relatively low at 12 mm across just two days, accompanied by a moderate humidity of 67%. In contrast, October boasts significantly warmer temperatures, with a minimum of 15°C and potential highs reaching up to 39°C. However, this month also sees a marked increase in rainfall, totaling 103 mm over 15 days, and a much lower humidity level of 28%. For more detailed information, check out Goiania weather in October.
May and November exhibit contrasting weather patterns. In May, temperatures range from a mild minimum of 5°C (42°F) to a comfortable average of 22°C (72°F) and can peak at 31°C (88°F). This month sees relatively low precipitation, with only 12 mm (0.5 in) falling over just 2 days and a humidity level of 67%. On the other hand, November presents warmer temperatures, with a minimum of 17°C (63°F) and an average of 24°C (76°F), climbing up to a maximum of 35°C (96°F). However, this warmth is accompanied by significantly higher rainfall, totaling 190 mm (7.5 in) over 22 days, and a lower humidity of 58%. For more detailed insights, check Goiania weather in November.
In May, the weather tends to be quite pleasant, with temperatures ranging from a cool 5°C (42°F) at night to a warm 31°C (88°F) during the day, accompanied by low precipitation of just 12 mm (0.5 in) over two days. The humidity is moderate at 67%, making it a comfortable month for outdoor activities. In contrast, December brings significantly higher temperatures, with a minimum of 17°C (62°F) and a maximum of 34°C (94°F), alongside much heavier rainfall totaling 202 mm (7.9 in) over 21 days. The humidity also increases to 76%, contributing to a sticky atmosphere. For more detailed insights, you can check Goiania weather in December.
In May, Goiania ushers in a delightful transition from the heat of the summer months, boasting a pleasant average temperature that strikes a balance between warm and cool. With maximums around 31°C and a refreshing drop to minimums near 5°C, this month offers a reprieve from the more intense heat experienced earlier in the year. The humidity level of 67% adds a slight touch of moisture to the air, enhancing the overall comfort. Unlike the wetter months, May sees only a modest precipitation amount of 12 mm over just a couple of days, allowing for plenty of sunshine. For a more detailed comparison of Goiania's weather throughout the year, check out Goiania Climate.