Last updated: August 21, 2025
In October, São José do Rio Preto experiences a vibrant mix of temperatures and weather patterns, making it a dynamic month for residents and visitors alike. The maximum temperature can soar to an impressive 41°C (105°F), while the average hovers around a comfortable 26°C (79°F). The month also witnesses a refreshing shift with minimum temperatures dipping to 15°C (59°F). Rainfall plays a role in this transition, with an average of 110 mm (4.3 in) spread over 11 days, adding a splash of vitality to the landscape. With humidity levels around 35%, October offers a unique blend of warmth and occasional showers, setting the stage for the upcoming summer months.
In October, São José do Rio Preto experiences a marked transition in temperatures that signals the arrival of warmer days. The month opens with minimums around 15°C (59°F), rising to average highs of 41°C (105°F), making it one of the hottest times of the year. This noticeable heat contrasts sharply with the cooler temperatures of earlier months, with October showcasing a significant increase in both average and maximum values. As the city transitions from the mild conditions of September, the average temperature remains at 26°C (79°F), providing a warm backdrop for outdoor activities. This pattern not only highlights the shift towards summer but also invites locals and visitors alike to embrace the vibrant energy of the region as it basks in the sun.
In October, Sao Jose do Rio Preto experiences a significant uptick in precipitation, with an average of 110 mm (4.3 in) of rainfall spread over 11 days. This marks a notable increase compared to the preceding months, with July and August recording a mere 6 mm and 23 mm, respectively. Interestingly, October's rainfall sets the stage for the wetter months ahead, as it transitions into November's even heavier averages, typically reaching 163 mm (6.4 in). This pattern highlights the onset of the rainy season, where the city shifts from dry spells to more frequent and robust downpours, ultimately leading towards December's substantial totals. The gradual rise in precipitation from the dry winter months culminates in a more vibrant and lush landscape by late spring, showcasing the environmental transformation that rainfall brings to this Brazilian locale.
In Sao Jose do Rio Preto, October marks a significant transition in humidity levels, dropping to a notably low 35%. This decline continues the clear trend of decreasing moisture from the peak levels experienced in the early months of the year, where humidity hovered around 85% to 87% in January and February. As the seasons shift towards the end of the year, humidity reaches its annual nadir in October, paving the way for a more arid environment, especially when compared to the 65% seen in November. This progressive reduction in humidity not only influences the local climate but also contributes to the region's vibrant outdoor activities, making October a refreshing time to explore the beauty of Brazil's landscape.
In Sao Jose do Rio Preto, Brazil, October brings a UV Index of 14, placing it firmly in the extreme exposure category with a burn time of just 10 minutes. This month continues the trend of high UV levels characteristic of the region, as it closely follows September's index of 12 and the preceding months, all marked by extreme ratings. In fact, throughout the year, the UV Index peaks during the summer months with January and February reaching a staggering 16. Conversely, even the lower values, such as those recorded in late fall and early winter, remain notably high, reinforcing the necessity for sun protection year-round. For more insights on UV exposure throughout the year, check the detailed report at Sao Jose do Rio Preto UV Index.
UV Risk Categories
October in São José do Rio Preto shines with a delightful 317 hours of sunshine, continuing a robust trend of bright days throughout the year. Following the peak of 332 hours in March, October stands strong among the month's sunshine leaders, reflecting the region's vibrant transition into the end of the year. This consistent glow showcases a steady pattern, with only slight fluctuations as the year progresses, allowing residents and visitors to bask in the warm Brazilian sun. As the days grow shorter toward November, the resilient sunshine promises to make October a month to savor in this lively city.
In Sao Jose do Rio Preto, October offers a 43% chance of sunny weather, highlighting it as a transitional month in terms of sunshine. Following a string of sunnier months like July and August, which boast probabilities of 84% and 74%, the likelihood of sun slightly dips in October, comparing to the robust 66% seen in April. This fluctuation contrasts with the increasing trend towards the end of the year, as November and December experience lower sunshine chances at 37% and 56%, respectively. Overall, while October maintains a decent chance for sunny days, it signals the onset of cloudier conditions as the year progresses.
In São José do Rio Preto, Brazil, the daylight duration experiences a noteworthy rhythm throughout the year. As October arrives, residents bask in approximately 12 hours of daylight, marking a return to the more generous lighting seen earlier in the year. Following the shorter days of June and July, when daylight dips to just 10 hours, there's a gradual increase as early spring welcomes back longer days. This consistent pattern reveals a gentle oscillation between extended daylight in the summer months and shorter afternoons in winter, making October a delightful transition point, perfectly balanced between light and warmth. As the year progresses towards November, the daylight once again stretches to 13 hours, hinting at the promise of summer ahead.
As October settles over São José do Rio Preto, the wind whispers gently, with an average speed of 2.8 m/s (6 mph), slightly less than the breezier months of July and August. This transitional month marks the onset of warmer weather, yet the wind remains moderate, reminiscent of the previous month's 3.0 m/s (7 mph). The steady increase during the winter months is notable, with July peaking at 2.9 m/s (6 mph), while the overall trend suggests a return to calmer breezes as the region heads toward the end of the year. The comfort of these gentle winds creates an inviting atmosphere, perfect for enjoying the vibrant landscapes and lively culture that characterizes this beautiful Brazilian city.
Weather in Sao Jose do Rio Preto varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Sao Jose do Rio Preto, focusing on differences in temperature, rainfall, humidity, and UV levels.
October weather in Sao Jose do Rio Preto is characterized by warmer temperatures, with a minimum of 15°C (59°F) and an average high of 41°C (105°F). The month sees lower humidity at 35% and about 110 mm (4.3 in) of precipitation spread over 11 days. In contrast, January experiences a milder range of temperatures, with a minimum of 19°C (66°F) and a maximum of 35°C (96°F). The humidity rises significantly to 85%, and precipitation increases to 174 mm (6.8 in) over 17 days. Overall, while October offers hotter and drier conditions, January brings cooler, wetter weather. For more details, you can check Sao Jose do Rio Preto weather in January.
In comparing the weather between October and February, we notice distinct differences in temperature and precipitation patterns. October boasts a warmer climate, with daily average temperatures around 26°C (79°F) and a maximum that can soar up to 41°C (105°F). However, it also has lower humidity at 35% and experiences roughly 110 mm (4.3 in) of precipitation over 11 days. In contrast, February features slightly cooler temperatures, with an average of 25°C (78°F) and peak highs of 35°C (96°F). This month, however, is significantly wetter, receiving about 181 mm (7.1 in) of rain over 18 days, coupled with much higher humidity levels at 87%. For a detailed look at February's specific weather patterns, you can check out Sao Jose do Rio Preto weather in February.
In comparing the weather between October and March, we notice distinct differences in temperature and humidity. October experiences warmer temperatures, with a minimum of 15°C (59°F), an average of 26°C (79°F), and a maximum reaching up to 41°C (105°F). In contrast, March's temperatures are slightly milder, ranging from a minimum of 16°C (62°F) to a maximum of 34°C (94°F). While both months receive significant precipitation—110 mm (4.3 in) in October and 113 mm (4.5 in) in March—October has slightly fewer rainy days, totaling 11 compared to March's 13 days. Additionally, March is characterized by much higher humidity levels at 86%, compared to October’s 35%. For more detailed insights into March weather, visit Sao Jose do Rio Preto weather in March.
In comparing October and April weather in São José do Rio Preto, October boasts a wider temperature range, with minimums of 15°C (59°F) and maximums reaching up to 41°C (105°F), resulting in an average temperature of 26°C (79°F). The month also experiences higher precipitation levels, totaling 110 mm (4.3 in) over about 11 days, coupled with relatively low humidity at 35%. In contrast, April has milder temperatures, with a minimum of 13°C (56°F) and a maximum of 34°C (94°F), averaging 24°C (76°F). It sees significantly less rainfall at 52 mm (2.1 in) across 5 days, but the humidity is noticeably higher at 79%. For a closer look at April weather, check out Sao Jose do Rio Preto weather in April.
When comparing the weather in October and May, October tends to be much warmer, with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 41°C (105°F). In contrast, May's temperatures are significantly cooler, with minimum temperatures of 6°C (43°F) and a maximum of 33°C (92°F). Additionally, October experiences higher precipitation at 110 mm (4.3 in) across 11 days, while May sees only 33 mm (1.3 in) over 4 days. Humidity levels also differ considerably, with October at 35% and May at a much higher 68%. For more specific details on May weather, you can visit Sao Jose do Rio Preto weather in May.
October and June exhibit significantly different weather patterns. In October, temperatures range from a minimum of 15°C (59°F) to a scorching maximum of 41°C (105°F), with an average temperature of 26°C (79°F). This month also experiences more rainfall, with 110 mm (4.3 in) over 11 days and relative humidity at 35%. In contrast, June offers cooler temperatures, with a minimum of 8°C (47°F), an average of 22°C (71°F), and a maximum of 32°C (90°F). Additionally, June sees very little precipitation, with only 6 mm (0.2 in) across just one day and a higher humidity of 60%. For more information, check out Sao Jose do Rio Preto weather in June.
October and July present contrasting weather conditions. October experiences warmer temperatures, with a minimum of 15°C (59°F) and an average high reaching a blistering 41°C (105°F), alongside significant precipitation of 110 mm (4.3 in) over 11 days, contributing to a humidity level of 35%. In contrast, July boasts much cooler temperatures, starting at a minimum of 4°C (39°F) and averaging around 21°C (70°F), with a maximum of 33°C (91°F). Remarkably, July is relatively dry, receiving only 6 mm (0.2 in) of rainfall across no days, and features higher humidity levels at 57%. For more detailed insights on July weather, you can refer to Sao Jose do Rio Preto weather in July.
October and August present distinctly different weather patterns. In October, temperatures are notably higher, with a minimum of 15°C (59°F), an average of 26°C (79°F), and a maximum reaching up to 41°C (105°F). The month also experiences more precipitation, totaling 110 mm (4.3 in) over about 11 days, accompanied by lower humidity at 35%. In contrast, August features cooler temperatures, with a minimum of 7°C (45°F), an average of 22°C (73°F), and a maximum of 35°C (96°F). Precipitation in August is significantly lower at 23 mm (0.9 in) spread across just 2 days, coupled with a higher humidity level of 48%. For more details, you can check Sao Jose do Rio Preto weather in August.
In comparing the weather of October and September, October experiences slightly warmer conditions with minimum temperatures of 15°C (59°F), compared to September's cooler minimum of 11°C (53°F). Both months have the same average temperature of 26°C (79°F), but October peaks at a higher maximum temperature of 41°C (105°F) versus September's maximum of 40°C (104°F). However, October brings significantly more rainfall, with a total precipitation of 110 mm (4.3 in) over 11 days, in contrast to September's much lighter 23 mm (0.9 in) over just 3 days. Humidity levels are also lower in October at 35%, whereas September's humidity is higher at 41%. For more detailed insights on the weather in September, you can check this link: Sao Jose do Rio Preto weather in September.
In comparing the weather of October and November, we see a noticeable shift in temperatures and humidity levels. October typically enjoys warm conditions, with average temperatures reaching 26°C (79°F) and highs soaring to 41°C (105°F), while November experiences slightly cooler weather, with an average of 25°C (78°F) and maximum temperatures of 36°C (97°F). Precipitation also increases in November, rising to 163 mm (6.4 in) over 16 days compared to October's 110 mm (4.3 in) over 11 days. Additionally, humidity rises significantly in November to 65%, creating a more humid atmosphere than October's 35%. For more details on the weather patterns, check out Sao Jose do Rio Preto weather in November.
October and December in Sao Jose do Rio Preto present contrasting weather conditions. In October, temperatures range from a minimum of 15°C (59°F) to a maximum of 41°C (105°F), with an average of 26°C (79°F). The month sees a total precipitation of 110 mm (4.3 in) spread over 11 days, accompanied by relatively low humidity at 35%. In contrast, December offers milder temperatures, with a minimum of 17°C (62°F) and a maximum of 35°C (95°F), and an average temperature of 25°C (78°F). However, it experiences higher rainfall, totaling 171 mm (6.7 in) over 19 days, along with significantly increased humidity at 80%. These differences highlight the transition from the hot and drier conditions of October to a wetter and more humid December. For more detailed information, visit Sao Jose do Rio Preto weather in December.
As October unfolds in Sao Jose do Rio Preto, the weather exhibits a noticeable transition, marking the beginning of the wet season. This month typically enjoys warm temperatures, with an average that leans toward a pleasant 26°C (79°F), yet can soar to sizzling highs of 41°C (105°F). Unlike the drier months preceding it, October witnesses increased precipitation, with light rainfalls contributing to a total of approximately 110 mm (4.3 in) across about 11 days. The humidity begins to rise, reaching around 35%, which creates a more tropical feel compared to the dryer seasons. For a deeper understanding of how this month's climate guides your travel plans, check out Sao Jose do Rio Preto Climate.