Last updated: August 21, 2025
In Ribeirao Preto, Brazil, May showcases a delightful climate characterized by a maximum temperature reaching 32°C (90°F) and an average of 21°C (69°F), offering warm yet pleasant days. The evenings can be cooler, with a minimum temperature dipping to 5°C (41°F). While precipitation is relatively low at 28 mm (1.1 in) over 4 days, humidity levels hover around a comfortable 68%, creating an inviting atmosphere. Overall, May in Ribeirao Preto is a blend of warmth and mildness, perfect for outdoor activities and exploration.
May in Ribeirao Preto brings a refreshing shift in temperatures as the city transitions from the intense summer heat. With minimums dropping to 5°C (41°F), the early mornings can be brisk, while average temperatures hover around 21°C (69°F), providing a mild and pleasant climate for outdoor activities. The day's warmth peaks at a comfortable 32°C (90°F), allowing for enjoyable afternoons without the extremes of previous months. This mixture of cool mornings and warm afternoons marks May as a perfect time for residents and visitors alike to experience the vibrant spring atmosphere before the cooler months settle in.
In May, Ribeirao Preto experiences a notable decline in precipitation, receiving just 28 mm (1.1 in) of rain over a mere four days. This decrease marks a significant drop compared to the wetter months preceding it, especially from January to April, where rainfall averages were much higher, peaking in January with 170 mm (6.7 in). The trend of reduced precipitation continues into June, where only 7 mm (0.3 in) is recorded on a single day, indicating the onset of a drier season. This pattern underscores a transition as the city shifts from its rainy season into a period of relative dryness, preparing for the drier winter months ahead.
As May rolls around in Ribeirao Preto, Brazil, a noticeable shift in humidity levels occurs, dropping to 68% from the wetter months of early year. This decline marks a turning point after the consistently high levels, peaking at 87% in February. By May, the air begins to feel a bit drier, preparing the region for the upcoming winter months. Following this trend, June continues the descent with humidity plummeting to 60%, leading to increasingly comfortable conditions. Such a transition not only influences the local climate but also contributes to a vibrant seasonal change, allowing residents to enjoy the pleasant outdoor atmosphere that May brings.
In May, Ribeirao Preto experiences a UV Index of 8, categorized as very high, which allows for an increased burn time of 15 minutes. This marks a noticeable shift from the earlier months where extreme UV levels prevailed with indices reaching as high as 16 in January and February, prompting a critical need for sun protection. As the year progresses, the UV Index begins to ease slightly, yet May still demands vigilance when outdoors. Following May, the Index dips further to 7 in June, transitioning into a more moderate, yet still high exposure zone. For a comprehensive look at the UV trends in Ribeirao Preto throughout the year, visit Ribeirao Preto UV Index.
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In May, Ribeirao Preto enjoys 306 hours of brilliant sunshine, a continuation of the sunny streak that begins in the early months of the year. Following a peak in March with 327 hours, the city experiences a slight dip but remains consistently bright throughout the month. This trend showcases a gentle decline in sunlight hours as the year progresses from the high-energy summer months into the cooler periods, though May still holds its own as a vibrant time in the Brazilian sunshine calendar. With 306 hours, it stands out as a charming early autumn month, offering plenty of opportunities for outdoor activities and basking in the warmth before winter approaches.
In Ribeirao Preto, Brazil, the likelihood of sunny weather in May stands at a promising 59%, making it a fairly bright month as autumn transitions into winter. This favorable chance follows a significant increase from April's 65%, highlighting a trend of predominantly sunny days leading into mid-year. As the year progresses, June and July typically boast even higher probabilities of sunshine, with 64% and an impressive 83%, respectively. Thus, while May offers a solid forecast for those seeking sunshine, the subsequent months tend to be even more inviting for outdoor activities and sun-seeking adventures.
In Ribeirão Preto, Brazil, the rhythm of daylight unfolds with distinct seasonal patterns. From January through March, residents bask in approximately 12 to 13 hours of daylight, welcoming the bright and vibrant summer months. As April approaches, daylight begins to taper off, offering 11 hours, a trend that continues into May. This slight decline sets the stage for the winter months of June and July, where daylight dips to 10 hours. However, as winter wanes in August and September, daylight starts to gradually increase once again, returning to 11 hours. The cycle of light culminates in the closing months of the year, with November and December bringing back the lush, long days of 13 hours, perfectly illustrating the region's dynamic relationship with sunlight throughout the year.
In Ribeirao Preto, May brings a gentle shift in the breeze, with an average wind speed of 2.1 m/s (5 mph). This slight increase from April's 2.3 m/s reflects a transitional phase as the city eases into the cooler months. The winds in May are part of a broader pattern observed from January to May, where speed escalates gradually, with April marking a peak for the early months. Typically, the wind begins to pick up further as winter approaches, reaching its highest speed in the mid-year months. As May transitions into June, the steady 2.1 m/s is a reminder of the refreshing winds that keep the atmosphere vibrant and engaging. Overall, this month serves as a pleasant bridge to the stronger breezes of approaching winter.
Weather in Ribeirao Preto varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Ribeirao Preto, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between May and January, it’s clear that January presents a warmer and more humid climate. While May sees average temperatures ranging from a cool 21°C (69°F) to a maximum of 32°C (90°F), January boasts higher averages with temperatures starting at 25°C (77°F) and peaking at a sweltering 36°C (97°F). Additionally, January experiences significantly more rainfall, with 170 mm (6.7 in) over 16 days compared to May's 28 mm (1.1 in) falling over just 4 days. The humidity in January also rises to 85%, making it feel even warmer, whereas May has a more comfortable humidity level of 68%. For more detailed insights, you can refer to Ribeirao Preto weather in January.
When comparing the weather in May and February, it's evident that February tends to be significantly warmer and wetter. February's minimum temperature averages around 17°C (63°F), peaking at 36°C (97°F), while May starts cooler with a minimum of 5°C (41°F) and a maximum of 32°C (90°F). Additionally, February experiences heavy rainfall, with 151 mm (5.9 in) spread over 16 days, compared to May's much lighter precipitation of 28 mm (1.1 in) over just 4 days. Moreover, February's humidity reaches a higher level at 87%, in contrast to May's 68%. For more detailed information, you can check Ribeirao Preto weather in February.
In comparing the weather of May and March, it's evident that March experiences warmer temperatures overall, with minimums of 15°C (60°F) and maximums reaching up to 34°C (94°F), compared to May's range of 5°C (41°F) to 32°C (90°F). Additionally, March sees higher precipitation levels, totaling 99 mm (3.9 in) over 14 days, whereas May has significantly less rain at 28 mm (1.1 in) across just 4 days. The humidity also plays a role, with March being more humid at 86% compared to May's 68%. For more details on March weather, you can check Ribeirao Preto weather in March.
In comparing the weather between April and May, we see some notable differences. April experiences slightly higher average temperatures, with a minimum of 12°C (54°F), an average of 23°C (74°F), and a maximum of 33°C (92°F). In contrast, May's temperatures range from a low of 5°C (41°F) to a high of 32°C (90°F), with an overall average of 21°C (69°F). Additionally, April sees more precipitation, totaling 55 mm (2.2 in) over 6 days, compared to May's 28 mm (1.1 in) over just 4 days. Humidity is also higher in April at 79%, while May's humidity is about 68%. For more detailed insights into April's weather, check out Ribeirao Preto weather in April.
In comparing the weather between May and June, we see some notable differences. May features a broader temperature range, with a minimum of 5°C (41°F) and a maximum of 32°C (90°F), resulting in an average temperature of 21°C (69°F). It also experiences higher precipitation levels at 28 mm (1.1 in) over four days and a higher humidity of 68%. Conversely, June has a slightly warmer minimum temperature of 8°C (46°F) and a comparable maximum of 31°C (88°F), leading to a similar average temperature of 20°C (69°F). June is significantly drier, with only 7 mm (0.3 in) of precipitation over just one day and lower humidity at 60%. For more detailed information, you can check out the Ribeirao Preto weather in June.
In May, the weather is generally warmer with an average temperature of 21°C (69°F) and a maximum of 32°C (90°F), while July sees slightly cooler temperatures, averaging 19°C (67°F) and peaking at 31°C (88°F). May also experiences higher humidity at 68% and more frequent precipitation, totaling 28 mm (1.1 in) over four days. In contrast, July offers drier conditions with only 11 mm (0.4 in) of rainfall over a completely dry month, resulting in a lower humidity level of 57%. For a detailed look at July's weather, check out Ribeirao Preto weather in July.
May and August exhibit distinct weather patterns. In May, temperatures range from a cool 5°C (41°F) at night to a warm 32°C (90°F) during the day, with an average of 21°C (69°F). This month also sees moderate humidity at 68% and experiences about 28 mm (1.1 in) of precipitation over four days. In contrast, August has slightly warmer nights with a minimum temperature of 8°C (46°F) and can reach up to 35°C (95°F) during the day, maintaining the same average of 21°C (71°F). Rainfall is less frequent in August, with only 18 mm (0.7 in) over three days and a notable drop in humidity to 48%. For more insights on August conditions, you can check Ribeirao Preto weather in August.
May and September present contrasting weather patterns, with May experiencing cooler temperatures and higher humidity. In May, temperatures range from a minimum of 5°C (41°F) to a maximum of 32°C (90°F), with an average of 21°C (69°F) and a humidity level of 68%. The month sees around 28 mm (1.1 in) of precipitation over four days. In contrast, September warms up with minimum temperatures of 12°C (53°F) and maximums reaching up to 38°C (101°F), resulting in an average of 25°C (78°F). Notably, September has similar precipitation levels, but with only three rainy days, and significantly lower humidity at 41%. For more details, you can visit Ribeirao Preto weather in September.
May and October present distinct weather patterns that reflect the transition between seasons. In May, temperatures range from a minimum of 5°C (41°F) to an average of 21°C (69°F) and a maximum of 32°C (90°F), with relatively low precipitation of 28 mm (1.1 in) over just 4 days and humidity at 68%. In contrast, October boasts milder temperatures with a minimum of 15°C (59°F), an average of 25°C (78°F), and a maximum that can reach a sweltering 39°C (102°F). However, October sees significantly higher precipitation at 121 mm (4.8 in) over 12 days, along with much lower humidity at 35%. For more detailed insights into October weather, check out Ribeirao Preto weather in October.
May and November offer distinct weather experiences. In May, temperatures range from a cooler 5°C (41°F) to a warm 32°C (90°F), with an average of 21°C (69°F). The month sees relatively low precipitation of 28 mm over just four days, accompanied by a humidity level of 68%. In contrast, November's climate is warmer, with a minimum temperature of 13°C (55°F) and a maximum reaching 37°C (99°F), averaging 25°C (76°F). However, November is also much wetter, receiving 159 mm of rain over 14 days, and maintaining a slightly lower humidity at 65%. For more details on November weather, visit Ribeirao Preto weather in November.
May and December present contrasting weather conditions. In May, temperatures range from a cool 5°C (41°F) at night to a warm average of 21°C (69°F) during the day, peaking at 32°C (90°F). The month receives relatively low precipitation, totaling 28 mm (1.1 in) across just 4 days, with humidity averaging 68%. In contrast, December is notably warmer, with a minimum temperature of 15°C (60°F) and an average of 25°C (77°F), reaching highs of 35°C (95°F). This month experiences significantly higher rainfall, accumulating 171 mm (6.7 in) over 17 days, alongside increased humidity at 80%. For more detailed insights, you can check Ribeirao Preto weather in December.
May in Ribeirao Preto offers a delightful transition as the weather gradually warms, with pleasant daytime temperatures and mild evenings. Compared to the previous months, the average temperature settles comfortably at around 21°C (69°F), allowing for enjoyable outdoor activities and a reprieve from the heat. With only a few days of rain and moderate humidity, residents and visitors can expect a nice blend of sunny days and refreshing breezes. This makes May an ideal time to explore the city's vibrant culture without the extremes of summer heat. For more details on the region’s climate, check out Ribeirao Preto Climate.