Last updated: August 21, 2025
May in Ubatuba, Brazil offers a delightful blend of mild temperatures and natural beauty. With maximum temperatures reaching 29°C (84°F) and a comfortable average of 21°C (71°F), it's an ideal time for outdoor activities. The weather cools to a pleasant 16°C (60°F) at night, making evenings perfect for coastal strolls. However, be prepared for 119 mm (4.7 in) of rain over 12 days, contributing to the region's lush landscapes. Humidity levels sit at a tropical 79%, enhancing the vibrant atmosphere and making May a unique experience for visitors and locals alike.
In May, Ubatuba, Brazil experiences a transition as temperatures begin to cool slightly, marking the approach of winter. The month opens with minimum temperatures dipping to 16°C (60°F), while the average hovers around 21°C (71°F). Despite the cooler starts, daytime highs can still reach up to 29°C (84°F), providing a comfortable warmth reminiscent of earlier months. This gradual shift in climate from the warmth of April's 19°C (66°F) minimum serves as a prelude to June's chillier weather, creating a balanced atmosphere that invites both locals and travelers to enjoy Ubatuba's stunning landscapes under predominantly pleasant skies. The rhythmic ebb and flow of the temperatures reflect a tropical paradise that doesn't lose its charm, even as it embraces the cooler days ahead.
May in Ubatuba experiences a moderate decline in precipitation, with 119 mm (4.7 in) of rainfall spread over approximately 12 days. This marks a transition from the wetter months of March and February, where rainfall peaks at 227 mm (9.0 in) and 212 mm (8.3 in) respectively. The reduction in precipitation in May indicates a shift toward the drier season, which continues into June, where rainfall drops further to 112 mm (4.4 in). Despite its relatively lower rainfall, May still maintains a lush, vibrant landscape, characteristic of Ubatuba’s tropical climate, as it prepares for the dry spell that follows in July, bringing only 87 mm (3.4 in) of rain over just 7 days.
In Ubatuba, Brazil, May marks a noticeable shift in humidity levels, dipping to 79% as the region transitions from its humid summer months. This decline reflects a broader trend, where humidity steadily decreases from the high averages of 88% in January and February to more comfortable levels as winter approaches. Following May, this trend continues downward, with June further lowering humidity to 77%. The region's weather, while still rather humid compared to many other locations, hints at the impending dry season, inviting visitors to enjoy the lush landscapes with a bit more ease in the air.
In May, Ubatuba experiences a very high UV Index of 8, signaling a notable shift from the extreme levels seen in earlier months. With a burn time of 15 minutes, sun protection becomes increasingly important, but it offers a slight respite compared to the intense UV exposure of January through April, which all hovered at a staggering 15. As we transition into the cooler months, the UV Index gradually declines, reaching a high level in June and July, where the burn time extends to 25 minutes. This trend underscores the importance of staying vigilant about sun safety even as the days slowly become less intense. For more insights on UV levels year-round, visit Ubatuba UV Index.
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In Ubatuba, Brazil, May delivers a delightful balance of sunshine with 283 hours lighting up the days. As the rainy season begins to ebb, this month showcases slightly fewer sunlit hours compared to the bustling March, which boasts a radiant 304 hours. However, the sun’s presence remains robust, continuing a steady trend from the previous months; April’s hours fall closely behind at 293 hours. The overall pattern suggests a gradual transition towards drier and sunnier conditions as the year progresses, punctuated by breezy June skies with 261 hours. May's golden rays beckon outdoor lovers, offering ample opportunity to bask in Ubatuba's vibrant landscapes before the more subdued light of winter months.
In Ubatuba, Brazil, May offers a notable 49% chance of sunny weather, making it a delightful time to enjoy the region’s natural beauty. As spring unfolds, the likelihood of clear skies is a slight dip from the preceding month, April, which boasts a generous 57%. However, this sunny probability sets the stage for the onset of winter, leading into the slightly sunnier months of June and July, where chances rise to 51% and 63%, respectively. Overall, while May’s weather may be slightly unpredictable, it safely maintains a fair probability of sunshine amid the gradual shifts toward the colder months. Exploring Ubatuba during this time could present a perfect balance of warmth and adventure under the Brazilian sun.
As the seasons shift in Ubatuba, Brazil, May marks a significant transition in daylight duration. With 10 hours of daylight, it joins June and July as the months of least sunlight, reflecting the gradual fade from the long, sunlit hours of summer, where January basked in 13 hours. This dwindling light continues through the cooler months, creating a contrast to the brighter days of August and September, which see a resurgence of 11 hours. By the end of the year, the days begin to extend once more, culminating in December with another 13 hours of daylight. This cyclical pattern underscores the dynamic interplay between seasonal change and daylight, painting a vivid picture of Ubatuba's annual rhythm.
In May, Ubatuba experiences a gentle breeze with an average wind speed of 3.2 m/s (7 mph), marking a transition into the windier months ahead. This slight decrease from the more robust 3.8 m/s (8 mph) recorded in April sets the stage for a gradual uptick in wind intensity as summer approaches. The coastal region sees a consistent rise in wind speeds from mid-year onward, peaking at 4.9 m/s (11 mph) in October. As the seasons shift, the winds not only enhance the picturesque coastal landscape but also offer an inviting atmosphere for outdoor enthusiasts, making Ubatuba a charming destination for windsurfing and beachgoers alike.
Weather in Ubatuba varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Ubatuba, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in May and January, we see some notable differences. May typically has a cooler temperature range, with minimums of 16°C (60°F) and maximums of 29°C (84°F), while January boasts higher averages, with minimums of 21°C (70°F) and peak temperatures reaching up to 31°C (88°F). Both months experience significant humidity, but January is slightly more humid at 88% compared to May's 79%. Precipitation is another factor to consider, with May receiving about 119 mm (4.7 in) over 12 days, while January sees a bit more rain at 146 mm (5.7 in) across 14 days. For a more detailed overview, you can check Ubatuba weather in January.
In comparing the weather between May and February, May typically experiences milder temperatures, with minimums around 16°C (60°F) and averages of 21°C (71°F). In contrast, February is warmer, with minimums of 21°C (70°F) and averages of 25°C (77°F). February also sees slightly higher maximums, reaching up to 31°C (88°F), compared to May's maximum of 29°C (84°F). Additionally, February has more rainfall, with 212 mm (8.3 in) over 17 days, while May records 119 mm (4.7 in) across 12 days. February's humidity is higher at 88% compared to May's 79%. For more detailed information, you can check Ubatuba weather in February.
The weather in March is generally warmer than in May, with average temperatures ranging from a minimum of 20°C (69°F) to a maximum of 30°C (86°F) compared to May's range of 16°C (60°F) to 29°C (84°F). However, March experiences significantly higher precipitation, with 227 mm (9.0 in) over 15 days, while May sees a lower total of 119 mm (4.7 in) across 12 days. Additionally, the humidity in March is slightly higher at 87%, compared to 79% in May. For a closer look at the weather during this period, you can check Ubatuba weather in March.
In comparing the weather of April and May, we observe that April tends to be slightly warmer, with an average temperature of 23°C (73°F) compared to May's average of 21°C (71°F). However, May experiences a lower minimum temperature of 16°C (60°F), while both months share the same maximum temperature of 29°C (84°F). Precipitation is slightly reduced in May, with 119 mm (4.7 in) over 12 days versus April’s 134 mm (5.3 in) across 13 days, indicating a marginally drier May. Additionally, humidity levels are also lower in May at 79%, compared to April's 84%. For more detailed weather insights, you can check Ubatuba weather in April.
In comparing the weather between May and June, both months experience similar temperature ranges, with May having an average of 21°C (71°F) and June slightly lower at 21°C (70°F). The minimum temperatures remain consistent at 16°C (60°F), while June sees a marginally lower maximum of 27°C (82°F) compared to May's 29°C (84°F). Precipitation levels are quite close, with May recording 119 mm (4.7 in) and June at 112 mm (4.4 in), both spread over 12 days. Humidity levels are also similar, slightly decreasing from 79% in May to 77% in June. For a closer look at June's weather specifics, you can check out Ubatuba weather in June.
In comparing the weather of May and July, May tends to be warmer with average temperatures ranging from a minimum of 16°C (60°F) to a maximum of 29°C (84°F), whereas July is slightly cooler, with temperatures ranging from 13°C (55°F) to 28°C (83°F). May also experiences higher precipitation, measuring 119 mm (4.7 in) over 12 days, compared to July's 87 mm (3.4 in) over only 7 days. Additionally, May's humidity at 79% feels more damp than July's lower humidity level of 72%. For more detailed insights into July's conditions, you can check this link: Ubatuba weather in July.
In comparing the weather between May and August, both months feature similar maximum temperatures, reaching up to 29°C (84°F). However, May tends to be slightly warmer on average, with temperatures ranging from a minimum of 16°C (60°F) to an average of 21°C (71°F), while August sees a slightly cooler average temperature of 20°C (67°F) with a minimum of 15°C (59°F). Precipitation levels are higher in August, totaling 147 mm (5.8 in), compared to May's 119 mm (4.7 in), despite both months experiencing about 12 rainy days. Additionally, May has higher humidity at 79%, compared to August’s 65%. For those looking for more insights into the weather specifics, Ubatuba weather in August provides a detailed overview.
May and September exhibit relatively mild temperatures, with both months averaging around 21°C (71°F). However, May tends to be slightly warmer, with a maximum temperature reaching 29°C (84°F), compared to September's peak of 30°C (86°F). Precipitation levels are notably higher in May, with 119 mm (4.7 in) over 12 days, whereas September sees an increase in rainfall to 132 mm (5.2 in) over 13 days, indicating a wetter pattern as summer approaches. Additionally, humidity is significantly higher in May at 79%, while September's humidity drops to a more comfortable 58%. For those considering travel, more detailed insights can be found at Ubatuba weather in September.
May and October in Ubatuba present distinct weather characteristics. In May, temperatures range from a minimum of 16°C (60°F) to a maximum of 29°C (84°F), with an average of 21°C (71°F). The month experiences 119 mm (4.7 in) of precipitation over approximately 12 days, accompanied by relatively high humidity at 79%.
In contrast, October sees similar average temperatures, with a low of 17°C (63°F) and a high of 30°C (86°F). However, it brings more rainfall, totaling 186 mm (7.3 in) spread over 19 days, and the humidity levels drop significantly to 50%. This makes October a wetter month compared to May. For more detailed insights about October weather, check out Ubatuba weather in October.
May and November in Ubatuba exhibit similar average temperatures, with both months hovering around 21°C (71°F). However, May tends to be slightly warmer, with maximum temperatures reaching up to 29°C (84°F), while November peaks at 28°C (83°F). Precipitation levels differ significantly, with May receiving 119 mm (4.7 in) over 12 days, compared to November's 205 mm (8.1 in) across 18 days, indicating a wetter environment as the year transitions into summer. Humidity is fairly consistent between the two months, but May has a slightly higher level at 79%, while November maintains a comfortable 75%. For detailed insights into November weather, you can check Ubatuba weather in November.
May and December present a distinct contrast in weather, despite their similar temperature ranges. In May, average temperatures hover between a mild 21°C (71°F) and a maximum of 29°C (84°F), accompanied by a relatively moderate precipitation of 119 mm (4.7 in) over 12 days and humidity at 79%. In contrast, December experiences slightly warmer temperatures, with an average of 23°C (74°F) and a peak of 29°C (85°F). However, it also sees increased rainfall, totaling 180 mm (7.1 in) across 17 days, and a humidity level of 80%. For a closer look at December's weather patterns, you can check Ubatuba weather in December.
In May, Ubatuba experiences a delightful transition as temperatures hover around a comfortable 21°C (71°F), making it a pleasant month for outdoor activities. While the maximum reaches a warm 29°C (84°F), it's the cooler nights at around 16°C (60°F) that offer a refreshing break. Expect an average of 12 days of rain, contributing to the region's lush greenery and maintaining the high humidity levels of 79%. Compared to the drier summer months, May brings a balanced mix of warmth and moisture, making it an ideal time to explore the beauty of this coastal paradise. For more insights, visit Ubatuba Climate.