Last updated: August 21, 2025
In May, São José do Rio Preto, Brazil, experiences a delightful mix of weather patterns, with maximum temperatures soaring to 33°C (92°F), while averaging a comfortable 22°C (71°F). This month witnesses a minimum dip to around 6°C (43°F), showcasing the region's diverse climate. Rainfall is moderate, with a total precipitation of 33 mm (1.3 in) spread across approximately 4 days, contributing to a humidity level of 68% that adds a refreshing touch to the air. Enjoy the early autumn vibes as nature transitions, making May a unique and appealing month in this vibrant Brazilian city.
In May, Sao Jose do Rio Preto experiences a noticeable shift in temperatures, marking the transition into the cooler months. The minimum temperature drops significantly to 6°C (43°F), providing an invigorating chill that contrasts with the mild temperatures of the earlier months. The average temperature hovers around 22°C (71°F), offering comfortable days, while the maximum reaches a pleasant 33°C (92°F). This month is characterized by a balance of warmth and freshness, with cooler nights inviting cozy gatherings and warmer afternoons perfect for outdoor activities. As the city shifts from the hotter summer months, May presents a delightful interlude of moderate weather, perfect for enjoying the vibrant local culture.
In May, Sao Jose do Rio Preto experiences a notable decline in precipitation, with only 33 mm (1.3 in) recorded over a mere 4 days. This marks a significant drop from the previous months, particularly following April’s rainfall of 52 mm (2.1 in). The transition into May signals the start of a drier period, a trend that continues into June with just 6 mm (0.2 in). Such shifts in precipitation patterns highlight the region's move from its wetter summer months towards a drier winter, offering a glimpse into the seasonal variations that define this Brazilian locale. The overall trend indicates that as the year progresses towards mid-year, the frequency and amount of rainfall decrease, setting a foundation for the upcoming dry season.
May marks a noticeable shift in humidity levels in São José do Rio Preto, Brazil, as the average drops to 68%, providing a welcome respite after the heavily humid months of January through April, which hover between 85% and 86%. This decline continues into June, where humidity reaches 60%, signaling the onset of drier conditions as the region transitions into winter. The significant drop from the previous months not only enhances comfort but also indicates a seasonal change that many locals and visitors alike can appreciate. As the humidity levels continue to decrease throughout the rest of the year, May serves as a pivotal month that bridges the high humidity of summer to the much drier winter months ahead.
In May, Sao Jose do Rio Preto, Brazil, experiences a very high UV Index of 8, allowing for a slightly safer exposure time of 15 minutes before sunburn may occur. This represents a notable decline from the extreme levels seen in the early months of the year, where indices soared above 15. Despite the reduction in UV intensity, residents and visitors should still be vigilant as the season transitions, with UV levels trending toward high in June. The data illustrates a pattern of extreme UV exposure in the summer months, tapering off as autumn approaches. For those planning to enjoy the outdoor beauty of this vibrant city, it's essential to stay informed about the UV Index, as outlined in detail at Sao Jose do Rio Preto UV Index.
UV Risk Categories
In May, Sao Jose do Rio Preto basks in a delightful 301 hours of sunshine, making it a charming month for outdoor activities and soaking up rays. As temperatures rise in the late spring, sunshine hours are slightly down from the peak of 332 hours in March but still robust compared to the cooler months. This trend of ample sunlight carries into the year, with the city enjoying an impressive average of more than 300 hours from April to August, hinting at a fabulous stretch of bright days ahead. Such generous sunshine promotes not only vibrant city life but also encourages outdoor events and festivities, firmly establishing May as a cherished moment in the local calendar.
As May rolls into São José do Rio Preto, the chance of sunny weather averages around 59%, showcasing a delightful transition towards the drier months. This increase in sunshine from the 66% in April reflects a general upward trend as the region moves closer to the dry winter season. After a promising summer with significant sun exposure in January and February, which peak at 16% and 48% respectively, the sunny probabilities begin to rise, hitting a notable 84% in July. With May positioned as a lovely prelude to this sun-drenched phase, it stands out as an ideal month for outdoor activities, making the most of the pleasantly sunny days.
In Sao Jose do Rio Preto, Brazil, daylight duration experiences a fascinating ebb and flow throughout the year, reflecting the region's seasonal transitions. Starting with a generous 13 hours in January and peaking again at 13 hours in November and December, the city's long summer days give way to a gradual decrease. From March's 12 hours to April and May's steady 11 hours, sunlight begins to recede, coinciding with the cooler months of June and July, where it dips to 10 hours. As winter wanes, daylight starts to extend again in August and September, each granting an 11-hour glow before the rhythm returns to 12 hours in October. This cycle not only emphasizes the variability in sunlight throughout the year but also beautifully encapsulates the changing seasons in this vibrant Brazilian locale.
In May, Sao Jose do Rio Preto enjoys mild winds that average around 2.4 m/s (5 mph), creating a pleasant atmosphere for both outdoor activities and leisurely strolls. This slight dip from April's 2.5 m/s heralds the transition into the cooler months, but the overall wind speeds remain consistent, reflecting a subtle upward trend as the region gears up for the winter. Following May, winds gradually increase through the mid-year, peaking in July at 2.9 m/s (6 mph). This gentle variation in winds, marked by an oscillation between 2.0 m/s and 3.2 m/s throughout the year, contributes to Sao Jose do Rio Preto's inviting climate, making each month uniquely enjoyable.
Weather in Sao Jose do Rio Preto varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Sao Jose do Rio Preto, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in May and January, notable differences emerge. May features a wider temperature range with a minimum of 6°C (43°F), an average of 22°C (71°F), and a maximum of 33°C (92°F), along with modest precipitation of 33 mm (1.3 in) spread over just 4 days and humidity at 68%. In contrast, January experiences warmer conditions overall, with minimum temperatures around 19°C (66°F), an average of 25°C (78°F), and highs reaching 35°C (96°F). However, it also sees significantly more rainfall, totaling 174 mm (6.8 in) over 17 days and higher humidity levels at 85%. For more detailed January weather insights, you can check Sao Jose do Rio Preto weather in January.
When comparing the weather in May and February, we see significant differences in temperature and precipitation patterns. May generally enjoys milder temperatures with a minimum of 6°C (43°F) and an average of 22°C (71°F), reaching a maximum of 33°C (92°F). In contrast, February is warmer, with minimum temperatures around 16°C (62°F) and averages peaking at 25°C (78°F), even soaring to a hot maximum of 35°C (96°F).
Precipitation also varies notably; May receives only 33 mm (1.3 in) over about 4 days, while February is notably wetter with 181 mm (7.1 in) across approximately 18 days of rain. Additionally, February experiences higher humidity levels at 87%, compared to May's 68%. For more detailed insights into February's weather patterns, you can visit Sao Jose do Rio Preto weather in February.
In comparing the weather between May and March, we see notable differences in temperature and precipitation patterns. May features a more moderate temperature range, with minimums of 6°C (43°F) and maximums reaching up to 33°C (92°F), resulting in an average of 22°C (71°F). In contrast, March tends to be warmer overall, with a minimum of 16°C (62°F) and averaging 25°C (78°F), peaking at 34°C (94°F). Additionally, March is significantly wetter, receiving 113 mm (4.5 in) of rainfall over 13 days, compared to May's 33 mm (1.3 in) over just 4 days. The humidity levels also differ, with March's 86% feeling notably muggy compared to May's 68%. For a more detailed look at March's weather, you can visit Sao Jose do Rio Preto weather in March.
In comparing the weather in May and April, we observe some notable differences. May experiences a wider temperature range, with a minimum of 6°C (43°F) and a maximum of 33°C (92°F), resulting in an average temperature of 22°C (71°F). In contrast, April sees a warmer average temperature of 24°C (76°F), with minimum and maximum temperatures of 13°C (56°F) and 34°C (94°F) respectively.
April also presents more precipitation, totaling 52 mm (2.1 in) over 5 days compared to May’s 33 mm (1.3 in) across 4 days. Additionally, humidity in April is slightly higher at 79%, compared to May’s 68%. For those looking for more detailed insights, you can check out Sao Jose do Rio Preto weather in April.
May and June present a subtle transition in weather patterns. In May, temperatures range from a minimum of 6°C (43°F) to a maximum of 33°C (92°F), with an average temperature of 22°C (71°F). This month experiences more precipitation, totaling 33 mm (1.3 in) over about 4 days, and humidity levels are relatively high at 68%. In contrast, June has slightly warmer minimum temperatures starting at 8°C (47°F), but the maximum drops slightly to 32°C (90°F), maintaining the same average of 22°C (71°F). Precipitation significantly decreases to just 6 mm (0.2 in) over only 1 day, accompanied by lower humidity at 60%. For more detailed insights on the weather patterns in June, you can check Sao Jose do Rio Preto weather in June.
May and July exhibit some notable differences in weather patterns. In May, temperatures range from a minimum of 6°C (43°F) to a maximum of 33°C (92°F), with an average of 22°C (71°F). This month also experiences more precipitation, with 33 mm (1.3 in) over four days and higher humidity at 68%. In contrast, July's temperatures are slightly cooler, with a minimum of 4°C (39°F), an average of 21°C (70°F), and a maximum of 33°C (91°F). However, July is characterized by significantly lower precipitation, receiving only 6 mm (0.2 in) with no rainy days and lower humidity at 57%. For more information, you can check out Sao Jose do Rio Preto weather in July.
In comparing the weather of May and August, both months experience similar average temperatures, hovering around 22°C (71°F in May and 73°F in August). However, August tends to be slightly warmer, with maximum temperatures reaching up to 35°C (96°F), compared to May's maximum of 33°C (92°F). Additionally, May sees more precipitation, totaling 33 mm (1.3 in) over approximately four days, whereas August has less rainfall at 23 mm (0.9 in) over only two days, resulting in notably lower humidity levels of 48% in August compared to 68% in May. For more specific details about August weather, you can check Sao Jose do Rio Preto weather in August.
May and September present distinct weather profiles in terms of temperature and humidity. In May, temperatures range from a cool minimum of 6°C (43°F) to a warm maximum of 33°C (92°F), with an average of 22°C (71°F). The month experiences a moderate level of precipitation at 33 mm (1.3 in) over 4 days, accompanied by a higher humidity level of 68%.
In contrast, September features a warmer climate, with temperatures starting at a minimum of 11°C (53°F) and peaking at a noteworthy 40°C (104°F), while the average temperature rises to 26°C (79°F). The month sees less rainfall, with only 23 mm (0.9 in) over 3 days and significantly lower humidity at 41%. For more details on September weather, you can check Sao Jose do Rio Preto weather in September.
In comparing the weather between May and October, May tends to be milder with an average temperature of 22°C (71°F) and maximum highs reaching 33°C (92°F). It experiences relatively low precipitation of 33 mm (1.3 in) over just 4 days, along with a higher humidity level of 68%. In contrast, October sees significantly warmer temperatures, with an average of 26°C (79°F) and maximums soaring to 41°C (105°F). However, this month is also marked by increased rainfall, totaling 110 mm (4.3 in) over 11 days, and lower humidity at 35%. For a more detailed look at the weather trends, check out Sao Jose do Rio Preto weather in October.
May and November present distinct weather patterns in Sao Jose do Rio Preto, each with its own characteristics. In May, temperatures range from a mild 6°C (43°F) at night to an average of 22°C (71°F) during the day, reaching up to a warm 33°C (92°F) at its peak. The month sees relatively low precipitation, totaling just 33 mm (1.3 in) over about four days, accompanied by a humidity level of 68%.
In contrast, November offers warmer nights with a minimum temperature of 13°C (56°F) and an average daytime temperature of 25°C (78°F), peaking at a hot 36°C (97°F). However, November is much wetter, with 163 mm (6.4 in) of rain spread across 16 days, and a slightly lower humidity of 65%. This shift in weather highlights the transition from the drier, milder conditions of May to the hotter and wetter climate of November. For more detailed insights on November weather, visit Sao Jose do Rio Preto weather in November.
In May, the weather in São José do Rio Preto is warm and pleasant, with average temperatures ranging from a minimum of 6°C (43°F) to a maximum of 33°C (92°F). The month sees only 33 mm (1.3 in) of precipitation spread over about 4 days, and the humidity levels hover around 68%. In contrast, December experiences a much warmer climate, with temperatures averaging between 17°C (62°F) and 35°C (95°F). However, it is also significantly wetter, receiving 171 mm (6.7 in) of rain across approximately 19 days, and the humidity increases to 80%. This stark difference in weather patterns highlights the transition from the drier, milder May to the humid, rainy December. For more detailed information, you can check the Sao Jose do Rio Preto weather in December.
In May, Sao Jose do Rio Preto experiences a refreshing shift in weather, characterized by moderate temperatures and relatively low precipitation. Unlike the scorching heat of summer, May brings a welcome balance with average highs around 22°C (71°F) and a cooler ambiance at night. While the humidity level remains moderately high at 68%, rainfall is sparse, typically amounting to just a few days throughout the month. This makes May an ideal time for outdoor activities and enjoying the city's vibrant atmosphere. For more detailed insights, check out Sao Jose do Rio Preto Climate.