Last updated: August 21, 2025
Experience the vibrant May weather in Atibaia, Brazil, where temperatures typically range from a pleasant 4°C (40°F) minimum to a warm 29°C (84°F) maximum, creating a delightful average of 18°C (64°F). This month brings about 44 mm (1.7 in) of rainfall spread across five days, contributing to the lush, green scenery for which the region is renowned. With humidity levels at 79%, expect an invigorating atmosphere that perfectly complements the beauty of May in this picturesque Brazilian locale.
In May, Atibaia, Brazil, experiences a notable shift in temperatures as the cooler months approach. The minimum temperature dips to a brisk 4°C (40°F), offering a stark contrast to the warmer days of previous months. The average temperature settles at a comfortable 18°C (64°F), perfect for outdoor activities, while the maximum can reach a pleasant 29°C (84°F), allowing for a blend of warm afternoons and cooler evenings. This month marks a transition into the cooler seasonal trends, with temperatures generally trending downward but still providing a delightful climate for visitors and locals alike. As May unfolds, Atibaia showcases its charming mix of refreshing coolness and inviting warmth, making it an appealing time to explore the region’s natural beauty.
May in Atibaia, Brazil, marks a significant transition in precipitation patterns. With just 44 mm (1.7 in) of rain recorded over 5 days, the month showcases a clear downward trend from the heavier downpours of earlier months. April experienced 52 mm (2.0 in) over 8 days, suggesting a shift toward drier conditions ahead. This decrease continues into June, which averages only 31 mm (1.2 in) across the same number of days. The light rainfall in May creates a perfect opportunity for locals to enjoy outdoor activities, reflecting the region's gradual move from the wetter start of the year toward a drier winter season.
In Atibaia, Brazil, May marks a noticeable shift in humidity levels, bringing a slight relief with an average of 79%. After experiencing consistently high humidity in the earlier months, where January and February both hover around 88%, there's a gradual decline observed as the year progresses. April’s humidity drops to 84%, paving the way for May's milder conditions. The trend continues into the colder months, with June dipping further to 77% and July reaching its lowest at 72%. This pattern illustrates a clear seasonal transition, where the lush humidity of summer gives way to the drier air of winter, providing a refreshing change as Atibaia approaches the dry season.
As May rolls into Atibaia, Brazil, residents and visitors experience a notable shift in the UV Index, which drops to 8—indicating a very high exposure category and a burn time of 15 minutes. This marks a slight decline from the extreme levels seen in the earlier months of the year, where indices peaked at 16 in January and February, demanding ultra-short sun exposure to avoid skin damage. As autumn approaches, the UV Index tends to moderate slightly, though July and August maintain this elevated risk, reminding everyone that sun protection remains essential. With trends showing high levels of UV radiation persisting through the year, locals should stay informed about daily UV indexes and safeguarding measures. For more details about UV exposure in Atibaia, visit the Atibaia UV Index.
UV Risk Categories
May sees 288 hours of sunshine in Atibaia, Brazil, placing it firmly in the heart of the sun-soaked season. As the year unfolds, a distinct upward trend emerges, with sunshine peaking in March at 309 hours before slightly tapering off in the following months. Despite the slight decrease in hours from the spring's peak, May remains a vibrant month, showcasing an abundance of sunlight that provides a warm embrace before the chill of winter begins to set in. This sunny pattern resonates throughout the year, with only slight fluctuations, ensuring Atibaia continues to bask in a golden glow, making it a perfect destination for sun-seekers.
In Atibaia, Brazil, May marks a delightful transition into sunnier days, boasting a 50% chance of sunny weather. As the year progresses, the likelihood of clear skies steadily increases, with April slightly edging out at 46%. This upward trend continues into the early winter months, peaking in July with a sunny 65%. Conversely, the slower start to the year reveals a stark contrast, with January languishing at a mere 14%. As the seasons change, residents and visitors alike can look forward to enjoying more frequent sunshine in May, setting a cheerful tone for the month ahead.
In Atibaia, Brazil, the allure of daylight transforms with the seasons, showcasing a captivating rhythm throughout the year. Starting strong in January with 13 hours of daylight, the days gradually shorten until May, where they offer a cozy 10 hours. This trend continues into June and July, maintaining the same duration, before the daylight begins to breathe life back into August with 11 hours. As the year progresses, a gradual ascent returns, culminating in November and December, when daylight stretches back to a luminous 13 hours. Overall, Atibaia’s daylight experience reveals a gentle ebb and flow, inviting residents and visitors alike to appreciate the unique character of each month.
In Atibaia, Brazil, May typically sees a gentle average wind speed of 2.3 m/s (5 mph), slightly above the calmer months of March and June. As we transition from the breezy April days, when winds pick up to 2.5 m/s, May maintains a moderate flow, setting the stage for the more robust gusts of later months. The trend shows a gradual increase in wind speed as the year progresses, with the winds starting to strengthen significantly in September and October. This harmonious blend of mild winds in May not only enriches the vibrant outdoor ambiance but also hints at the energetic breezes that will follow as winter approaches.
Weather in Atibaia varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Atibaia, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of May and January, we see notable differences in temperature and precipitation. May experiences milder conditions, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 29°C (84°F) and an average of 18°C (64°F). This month typically brings about 44 mm (1.7 in) of precipitation over just 5 days, accompanied by a humidity level of 79%. In contrast, January is much warmer, with temperatures varying from a minimum of 13°C (55°F) to a maximum of 33°C (91°F), averaging 23°C (73°F). However, it’s also the wettest month, receiving 184 mm (7.2 in) of rain over 18 days, and has a higher humidity of 88%. For more details, you can check Atibaia weather in January.
When comparing the weather in May and February, we see distinct differences in temperature and precipitation patterns. In May, temperatures range from a minimum of 4°C (40°F) to a maximum of 29°C (84°F), with an average of 18°C (64°F). The month experiences about 44 mm (1.7 in) of precipitation spread over 5 days, with a humidity level of 79%. In contrast, February boasts much warmer temperatures, with a minimum of 15°C (59°F) and a maximum of 34°C (93°F), while the average temperature sits at 22°C (72°F). However, February is significantly wetter, receiving around 170 mm (6.7 in) of rain over 15 days and higher humidity at 88%. For more details on February weather, visit Atibaia weather in February.
In comparing the weather between March and May, March tends to be warmer overall, with average temperatures ranging from 13°C (55°F) to a maximum of 32°C (89°F), compared to May's milder range of 4°C (40°F) to 29°C (84°F). Additionally, March experiences significantly higher precipitation, averaging 128 mm (5.1 in) over 15 days, which is more than double the 44 mm (1.7 in) seen in May across just 5 days. The humidity levels are also higher in March at 87%, compared to May's 79%, making the earlier month feel more humid overall. For more detailed weather insights, you can check out Atibaia weather in March.
May generally experiences cooler temperatures compared to April, with May's minimum temperature dipping to 4°C (40°F) while April starts at a milder 10°C (51°F). The average temperature in May is around 18°C (64°F), slightly cooler than April's 20°C (68°F), although both months have maximum temperatures that can reach similar heights, with May peaking at 29°C (84°F) versus April's 30°C (86°F). Precipitation is somewhat lower in May, totaling 44 mm (1.7 in) over 5 days, compared to April's 52 mm (2.0 in) spread over 8 days. Additionally, humidity remains fairly high in both months, with May at 79% and April at 84%. For more detailed information, you can check Atibaia weather in April.
In May, temperatures in Atibaia typically range from a minimum of 4°C (40°F) to a maximum of 29°C (84°F), with an average temperature of 18°C (64°F). The month experiences about 44 mm (1.7 in) of precipitation over five days, and the humidity is relatively high at 79%. In contrast, June presents slightly milder weather, with minimum temperatures rising to 6°C (43°F) and maximum temperatures peaking at 27°C (82°F), while the average temperature remains similar at 17°C (63°F). Additionally, June sees less rainfall, with only 31 mm (1.2 in) over five days and a slight decrease in humidity to 77%. For more detailed information, you can check Atibaia weather in June.
In May, the weather in Atibaia features a wider temperature range with minimums dipping to 4°C (40°F) and maximums reaching up to 29°C (84°F), resulting in an average temperature of 18°C (64°F). The month is relatively humid with an average humidity of 79% and experiences moderate rainfall of 44 mm (1.7 in) over about 5 days. In contrast, July sees a slightly cooler average temperature of 16°C (61°F), with minimum temperatures dropping to 1°C (34°F) and a maximum of 28°C (83°F). Rainfall is significantly lower in July, totaling just 14 mm (0.6 in) over only 1 day and accompanied by a decrease in humidity to 72%. For more specific details, you can visit Atibaia weather in July.
In May, temperatures range from a minimum of 4°C (40°F) to a maximum of 29°C (84°F), with an average hovering around 18°C (64°F). The month sees about 44 mm (1.7 in) of rainfall distributed over 5 days, accompanied by relatively high humidity at 79%. In contrast, August experiences slightly higher maximum temperatures at 30°C (87°F) with an average close to 17°C (63°F) and a minimum of 5°C (40°F). Although it receives a bit more precipitation, totaling 50 mm (2.0 in) over the same number of days, August enjoys lower humidity, sitting at 65%. For more detailed information about August weather, check out Atibaia weather in August.
In comparing the weather between May and September, it is clear that September offers warmer temperatures overall. While May sees a minimum of 4°C (40°F) and an average of 18°C (64°F), September starts off at a higher minimum of 9°C (48°F) and boasts an average temperature of 21°C (69°F). Additionally, September can experience higher maximum temperatures, reaching up to 34°C (93°F) compared to May’s maximum of 29°C (84°F). Both months receive similar levels of precipitation at 44 mm (1.7 in) over roughly five to six days, but September's humidity is significantly lower at 58% compared to May's 79%, making it feel more comfortable. For more details, check Atibaia weather in September.
May and October present contrasting weather patterns. In May, temperatures range from a comfortable low of 4°C (40°F) to a warm high of 29°C (84°F), with an average of 18°C (64°F). This month also sees about 44 mm (1.7 in) of precipitation over approximately 5 days, accompanied by a higher humidity level of 79%. In contrast, October offers milder low temperatures starting at 11°C (52°F) and reaching a maximum of 35°C (96°F), with an average of 21°C (70°F). However, it experiences more significant rainfall, totaling around 124 mm (4.9 in) over 14 days, and a lower humidity level of 50%. For more detailed insights on the weather in October, you can visit Atibaia weather in October.
May and November present distinct weather patterns, showcasing the transition from early spring to late fall. In May, temperatures range from a cool 4°C (40°F) at night to a comfortable 29°C (84°F) during the day, with an average of 18°C (64°F). The month sees about 44 mm (1.7 in) of precipitation over five days, accompanied by relatively high humidity at 79%. In contrast, November experiences warmer temperatures with a minimum of 10°C (51°F) and a maximum reaching 35°C (95°F), averaging 21°C (70°F). However, it also brings significantly higher rainfall, totaling 136 mm (5.4 in) over 13 days, while humidity slightly decreases to 75%. For a more detailed look at the weather conditions in November, check out Atibaia weather in November.
May and December present contrasting weather characteristics. In May, temperatures range from a cool 4°C (40°F) at night to a warm 29°C (84°F) during the day, with an average of 18°C (64°F). This month sees relatively low precipitation, with about 44 mm (1.7 in) falling over just 5 days, and humidity levels around 79%. In contrast, December offers much warmer conditions, featuring nighttime lows of 12°C (54°F) and daytime highs reaching 33°C (91°F), averaging 22°C (72°F). However, December is also considerably wetter, with 153 mm (6.0 in) of rainfall over 20 days, while humidity remains slightly higher at 80%. For more detailed information, you can check Atibaia weather in December.
As May rolls into Atibaia, the climate transitions into a more temperate phase, presenting a perfect blend of warmth and a hint of coolness. With average temperatures hovering around a comfortable 18°C (64°F), it marks a refreshing change from the higher extremes of previous months. The occasional rainfall, with about 44 mm (1.7 in) over just five days, changes the landscape, nurturing the lush greenery that Atibaia is known for. The humidity lingers at 79%, adding a soft touch to the crisp air. May offers an ideal time to explore the outdoors and appreciate the vibrant natural surroundings. For more insights about the weather throughout the year, visit Atibaia Climate.