Last updated: August 21, 2025
In May, Ouro Preto, Brazil experiences a delightful blend of temperatures and moderate precipitation. With maximums reaching 28°C (82°F) and averages around 18°C (64°F), this captivating city offers pleasantly warm days, perfect for exploration. However, nights can dip to a refreshing 4°C (40°F), adding a crisp touch to the atmosphere. Visitors should prepare for some rain, as the month sees about 53 mm (2.1 in) of precipitation over seven days, contributing to an overall humidity level of 82%. This combination of weather conditions creates a unique and vibrant experience, ideal for enjoying the rich culture and stunning landscapes of Ouro Preto.
In May, Ouro Preto transforms as winter approaches, bringing cooler temperatures that signify a shift in the season. The average temperature dips to 18°C (64°F), with a noticeable drop in the nighttime minimum, which can reach a brisk 4°C (40°F). Daytime highs of 28°C (82°F) are still enjoyable, but the broad range from chilly mornings to pleasant afternoons invites visitors to dress in layers. This month beautifully showcases the city's stunning architecture against lush, verdant landscapes, making it an ideal time for exploration. As the temperature trends towards cooler weeks ahead, May serves as a gentle reminder of the rich seasonal changes in this historical gem.
In May, Ouro Preto experiences a notable dip in precipitation, receiving just 53 mm (2.1 in) over the course of 7 days. This marks a significant reduction compared to the heavier rains earlier in the year, particularly from January to February, when rainfall often exceeds 250 mm (9.8 in) and 20 days of precipitation are typical. The contrast continues into June, where the average drops further to a mere 15 mm (0.6 in), indicating the start of a drier season. This trend not only highlights May as a transition month, but it also sets the stage for the relatively dry winter period that follows, making it a striking time in Ouro Preto’s climate rhythm.
In May, Ouro Preto experiences a soothing humidity level of 82%, marking a subtle dip from the higher levels seen in earlier months. This month is the beginning of a gradual transition into drier conditions, as the humidity starts to decrease after peaking in the earlier spring months of March and April. The contrast with the peak January humidity of 83% becomes evident, as the town heads towards the cooler and noticeably drier winter months of June and July, which both settle at 82% and 77%, respectively. This gradual decline not only signifies a shift in the climate but also enhances the overall comfort for both residents and visitors looking to explore the vibrant history and stunning landscapes of this charming Brazilian town.
In May, Ouro Preto experiences a noteworthy dip in the UV Index compared to the intense extremes of the preceding months. With a UV Index of 9, the exposure category shifts to very high, allowing for a slightly extended burn time of 15 minutes. This trend marks a gradual easing from the blistering highs of January through April, where the Index consistently hovered above 12, prompting caution with an alert burn time of just 10 minutes. As the city transitions into winter, June further reduces the risk with a UV Index of 7. For those enjoying the stunning landscapes of Ouro Preto during this month, it remains essential to stay informed and protected. For more details, check out the Ouro Preto UV Index.
UV Risk Categories
May in Ouro Preto, Brazil, shines brightly with an impressive 290 hours of sunlight, adding to the region's reputation for delightful weather. This month continues a trend of generous daylight that began in March, which boasts the highest sunshine at 313 hours. As the year progresses, the hours of sunshine show a subtle yet noticeable oscillation, with June dipping slightly to 283 hours before an upward surge in July, reaching 306 hours. This pattern not only enhances the scenic beauty of Ouro Preto but also invites locals and visitors alike to indulge in its rich culture and stunning landscapes under the warm Brazilian sun.
In Ouro Preto, Brazil, the likelihood of sunny weather in May stands at a moderate 43%, providing a pleasant opportunity for outdoor activities as the month transitions towards the drier season. This figure reflects a slight dip from April's more promising 54% but remains relatively favorable compared to the months prior. Interestingly, the trend reveals a gradual increase in sunshine probability reaching its peak in July at 79%, suggesting that while May offers a decent chance of sun, the subsequent months are even more ideal for those seeking bright and clear days. As summer approaches, visitors can look forward to brighter skies and sunnier adventures in this charming city.
In Ouro Preto, Brazil, the trends in daylight duration reveal a dynamic shift throughout the year. The year begins with a generous 13 hours of daylight in January, gradually tapering off to 12 hours in February and March, before reaching 11 hours in April and May. As June arrives, daylight dwindles further to 10 hours, marking the shortest days of the year. However, the pattern quickly rebounds; from July to September, daylight stabilizes at 11 hours before gradually increasing again. By October, the days regain 12 hours, and by November and December, they extend back to 13 hours, bringing the year to a close with ample sunlight. This fluctuation not only highlights the rhythm of seasons but also sets the perfect backdrop for the vibrant culture and stunning landscapes of Ouro Preto.
In Ouro Preto, Brazil, the wind patterns exhibit subtle variations throughout the year, particularly noticeable in May. With an average wind speed of 1.8 m/s (4 mph), May aligns with the tranquil breezes of early autumn, echoing April's calm. This gentle airflow continues into June, maintaining the same speed, but winds gradually strengthen as the year progresses, peaking in September at 2.6 m/s (6 mph). The trend shows a gradual increase in wind speed during the latter months, reaching its zenith in the late winter and early spring. Overall, the data reveals a landscape where May stands as a serene transition, preparing for the invigorating gusts that follow.
Weather in Ouro Preto varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Ouro Preto, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of May and January, notable differences emerge. May showcases milder temperatures with a minimum of 4°C (40°F) and an average of 18°C (64°F), peaking at 28°C (82°F). It experiences relatively low precipitation at 53 mm (2.1 in) over about 7 days, coupled with a humidity level of 82%. In contrast, January is considerably warmer, with temperatures ranging from a minimum of 16°C (61°F) to an average of 22°C (72°F) and reaching a maximum of 31°C (88°F). However, it sees significantly higher precipitation, totaling 193 mm (7.6 in) across 13 days, while maintaining a similar humidity level of 83%. For a detailed overview of January weather in Ouro Preto, you can visit Ouro Preto weather in January.
May and February present distinct weather patterns in terms of temperature and precipitation. In May, temperatures range from a minimum of 4°C (40°F) to a maximum of 28°C (82°F), with an average of 18°C (64°F). The month sees about 53 mm (2.1 in) of precipitation over approximately 7 days, accompanied by a humidity level of 82%. In contrast, February is notably warmer, boasting a minimum temperature of 16°C (61°F) and reaching highs of 32°C (90°F) with an average temperature of 22°C (71°F). However, it is also wetter, with 281 mm (11.1 in) of rainfall spread over 20 days and humidity at 85%. For more details on the weather in February, you can explore Ouro Preto weather in February.
When comparing the weather in May and March, notable differences in temperatures and precipitation patterns emerge. In May, temperatures range from a minimum of 4°C (40°F) to a maximum of 28°C (82°F), with an average of 18°C (64°F). This month sees relatively light precipitation, totaling 53 mm (2.1 in) over about 7 days, accompanied by a humidity level of 82%. In contrast, March is significantly warmer, with temperatures fluctuating between a minimum of 13°C (56°F) and a maximum of 31°C (87°F), averaging 22°C (71°F). March also experiences much higher rainfall, totaling 190 mm (7.5 in) over 16 days, along with slightly higher humidity at 87%. For a more detailed look at March climate specifics, you can check Ouro Preto weather in March.
In comparing the weather between April and May, it is evident that April tends to be warmer with higher average temperatures, ranging from a minimum of 11°C (51°F) to a maximum of 30°C (86°F). Additionally, April experiences greater precipitation, totaling 80 mm (3.1 in) over 13 days, contributing to a slightly higher humidity level of 86%. In contrast, May features cooler temperatures with a minimum of 4°C (40°F) and a maximum of 28°C (82°F), along with less rainfall at 53 mm (2.1 in) across 7 days, resulting in a humidity level of 82%. For a more detailed look at April's weather patterns, you can visit Ouro Preto weather in April.
In May, temperatures range from a cool 4°C (40°F) at night to a warmer 28°C (82°F) during the day, with an average temperature of 18°C (64°F). The month experiences moderate precipitation, totaling 53 mm (2.1 in) over about 7 days, coupled with high humidity at 82%. In contrast, June sees slightly warmer nights with a minimum temperature of 8°C (46°F) and maintains the same maximum of 28°C (82°F) as May, but with a lower average temperature of 17°C (63°F). Precipitation significantly decreases to just 15 mm (0.6 in) over only 4 days, while humidity remains unchanged at 82%. For more detailed insights on June weather, visit Ouro Preto weather in June.
In comparing the weather of May and July, there are some notable differences. May features a wider temperature range, with a minimum of 4°C (40°F), averaging 18°C (64°F), and reaching a maximum of 28°C (82°F). The month also brings more precipitation, totaling 53 mm (2.1 in) over about 7 days, alongside a higher humidity level at 82%. In contrast, July experiences slightly warmer nights with a minimum of 5°C (41°F) and a lower average temperature of 16°C (61°F). The month is much drier, with just 7 mm (0.3 in) of rainfall on only 1 day, and humidity decreases to 77%. For more details about the specific conditions, check out Ouro Preto weather in July.
May and August exhibit distinct weather patterns, with May being characterized by higher humidity levels and more frequent precipitation. In May, temperatures range from a cooler minimum of 4°C to a comfortable average of 18°C, peaking at 28°C, while August features slightly milder conditions, with a minimum of 6°C and an average of 17°C, also reaching a maximum of 28°C. Precipitation in May is noticeably higher at 53 mm over 7 days, compared to August's 35 mm over just 5 days. Overall, August tends to be drier and less humid than May. For more detailed insights on August's weather, check out Ouro Preto weather in August.
May and September exhibit notable differences in weather patterns. May tends to be cooler with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 28°C (82°F), and it maintains a higher humidity level of 82%. In contrast, September shows a slight increase in temperature, with minimums at 9°C (48°F) and maximums reaching 33°C (92°F). Although both months have similar precipitation levels—around 55 mm (2.1 in) over 7 days—September's humidity is noticeably lower at 63%. For more detailed information on September's weather, you can visit Ouro Preto weather in September.
In May, the weather presents a mild portrait with temperatures ranging from a cool minimum of 4°C (40°F) to an average of 18°C (64°F), and maximums peaking at 28°C (82°F). However, this month experiences a fair amount of rain, with 53 mm (2.1 in) of precipitation over about 7 days and high humidity at 82%.
In contrast, October showcases a warmer climate with temperatures starting at a minimum of 12°C (54°F) and averaging around 21°C (69°F), reaching maximums of up to 34°C (93°F). However, it is notably wetter, with 192 mm (7.6 in) of rain over 20 days, while the humidity is lower at 48%. For more details on October's weather, refer to Ouro Preto weather in October.
May and November present contrasting weather patterns. In May, temperatures range from a cooler 4°C (40°F) at night to a pleasant average of 18°C (64°F) during the day, with highs reaching 28°C (82°F). The month experiences moderate rainfall of 53 mm (2.1 in) over about 7 days, coupled with high humidity levels at 82%. In contrast, November features warmer nights with a minimum temperature of 10°C (51°F) and averages around 20°C (69°F), peaking at a hotter 31°C (88°F). However, November is marked by significantly increased rainfall, totaling 256 mm (10.1 in) across 22 days, and lower humidity at 61%. For more details, check Ouro Preto weather in November.
May and December in Ouro Preto offer contrasting weather experiences. In May, temperatures range from a cooler 4°C (40°F) at night to a warm 28°C (82°F) during the day, with an average of 18°C (64°F). This month sees modest precipitation of 53 mm (2.1 in) over about 7 days, coupled with higher humidity at 82%. In contrast, December boasts significantly warmer temperatures, with lows of 12°C (55°F) and highs reaching up to 31°C (87°F), averaging 21°C (71°F). However, this month also experiences heavy rainfall, totaling 277 mm (10.9 in) spread over 23 days, and lower humidity at 68%. For more detailed information, check out Ouro Preto weather in December.
In May, Ouro Preto's weather showcases a delightful transition, marked by milder temperatures and increased humidity, making it distinct from the hotter summer months. With an average temperature of 18°C and maximums reaching 28°C, the days are pleasantly warm, while the nights can dip down to 4°C, offering a refreshing coolness. This month also experiences more frequent rain, with about 53 mm falling over 7 days, creating a lush, green landscape that bathes the city in beauty. For a detailed understanding of how May weather fits into the overall climate patterns, check out Ouro Preto Climate.