Last updated: August 21, 2025
In January, São Paulo, Brazil experiences a warm and humid climate, with maximum temperatures reaching up to 34°C (93°F) and averaging around 23°C (74°F). The city sees a noticeable dip in temperature, with minimum values dropping to 15°C (59°F). However, it also encounters significant precipitation, with 177 mm (7.0 in) of rain falling across approximately 20 days of the month. This high humidity, averaging 88%, creates a tropical atmosphere that defines the essence of a Brazilian summer, inviting both locals and visitors to enjoy the vibrant energy of the city amidst occasional rain showers.
In January, São Paulo welcomes the summer season with a comfortable average temperature of 23°C (74°F), while daytime highs can soar up to 34°C (93°F). This vibrant month showcases a pleasant range, with nighttime lows dipping to 15°C (59°F), providing a refreshing escape from the heat. As the month progresses into February, temperatures rise slightly, peaking at 35°C (95°F), but the average remains stable, reflecting the region's tropical climate. Notably, the trend sees a gradual decline in temperatures as the year advances, with April introducing cooler nights and averages dropping to 20°C (69°F). By the time July rolls around, São Paulo experiences its coolest phase, where morning temperatures can plunge to 2°C (36°F), contrasting sharply with the previous months. However, the year bounces back quickly, culminating in a warm October, where highs can reach a sweltering 37°C (99°F), illustrating the city's dynamic climate patterns throughout the year.
In January, São Paulo experiences its wettest month of the year, with an impressive 177 mm (7.0 in) of precipitation spread across 20 rainy days. This deluge sets the tone for the wet season, as the city transitions from the more arid months of late winter and early spring. Following January, February still sees significant rainfall, albeit slightly less at 158 mm (6.2 in) over 17 days. From the peak in January, precipitation gradually decreases through March to a more moderate 135 mm (5.3 in), showcasing a typical trend as the city moves towards drier conditions. Remarkably, by April, rainfall plummets to just 55 mm (2.2 in) over 9 days, indicating a substantial shift that marks the beginning of a much drier spell lasting until late in the year. This clear pattern of peak rainfall in the first months of the year, followed by a drastic decline, underscores São Paulo's distinct wet season dynamics and varying precipitation trends throughout the year.
In January, São Paulo experiences a high humidity level of 88%, a trend that continues into February, maintaining the same sticky atmosphere. As the seasons shift into March, there’s a slight dip to 87%. The humidity gradually decreases throughout the year, reaching 84% in April and further dropping to 79% by May. By the time the cooler months of June and July arrive, humidity levels decline even more sharply, hitting 72% in July, making the air feel significantly less oppressively humid. As we transition into the drier months of August and September, humidity levels continue to fall to 65% and 58% respectively, showcasing a marked contrast to the summer's moist embrace. However, a mild increase is observed once more in the later months, with October settling at 50%, before climbing again towards 75% in November and moderating at 80% in December. This cyclical pattern highlights São Paulo's distinct seasonal shifts in humidity, offering a refreshing variation throughout the year.
In January, Sao Paulo experiences an extremely high UV Index of 16, making it imperative for residents and visitors to take sun safety seriously, with a burn time of just 10 minutes. This intensity in the summer months is consistent, as February and March also register exceptionally high UV levels, although slightly reduced to 15 and 12 respectively. As the year progresses into April, the UV Index remains high at 11, before gradually declining in May to 8—still classified as very high. The decrease continues into the winter months, with UV levels dropping to 6 in June and 7 in July, allowing for a bit more sun exposure time. However, as spring approaches in August, UV levels rise again to 9. Peak UV intensity returns in the latter part of the year, particularly in September through November, where levels consistently hover at 11 to 14, demanding vigilance with sun exposure. For a detailed overview of UV trends in the city, visit Sao Paulo UV Index.
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In January, São Paulo, Brazil, basks in a delightful 245 hours of sunshine, setting the stage for a vibrant summer atmosphere. As the months progress, the city experiences a gradual increase in sunlight, peaking in March with an impressive 310 hours. This surge in brightness continues through April before tapering off slightly, showcasing a consistent pattern of rich sunlight during the early year. While February sees a healthy 269 hours, and July shifts to a robust 293 hours, the overall trend is a dance of light, with the city frequently hovering around the 300-hour mark from March through November. December brings the year to a close on a high note, with 317 hours of sunshine, capping a year filled with radiant moments under São Paulo's sun-kissed sky.
In São Paulo, Brazil, the likelihood of sunny weather in January is relatively low, with only a 13% chance of clear skies. This trend marks the beginning of the year, where sunshine is less prevalent compared to the following months. As summer progresses into February and March, the prospect of sunny days increases significantly to 37%, offering much brighter weather. The likelihood continues to improve through the fall, peaking in July at an impressive 57% before gradually decreasing towards the end of the year. Overall, January stands out as a month where overcast conditions are more likely, paving the way for sunnier days in the coming months.
In São Paulo, Brazil, January marks the peak of daylight, offering a generous 13 hours of sunlight that gradually tapers off as the year progresses. As February and March follow, daylight duration remains stable at 12 hours before dipping to 11 hours in April. The trend continues into May and June, where residents experience just 10 hours of light. However, as winter gives way to spring, daylight begins to lengthen again, with 11 hours in August and September, culminating in a return to 13 hours by November and December. This annual rhythm showcases the city’s vibrant transition through seasons, allowing its inhabitants to revel in extended daylight during the warmest months.
In January, São Paulo experiences a gentle breeze with an average wind speed of 2.4 m/s (5 mph), setting a tranquil tone for the start of the year. This light and refreshing air lingers through February, slightly increasing to 2.5 m/s (6 mph), but begins to dip in March as it falls to 2.1 m/s (5 mph). As the year progresses into the cooler months, a noticeable uptick in wind speeds occurs, reaching 2.8 m/s (6 mph) by April and maintaining a steady average near 2.6 m/s through May. The summer months see a gradual increase in wind activity, peaking in October at 3.6 m/s (8 mph), while November and December also enjoy brisk winds of 3.5 m/s and 3.1 m/s respectively. This trend reflects a shift from mild beginnings to a more spirited air, invigorating the city throughout the year.
Weather in Sao Paulo varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Sao Paulo, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, temperatures in Sao Paulo range from a minimum of 15°C (59°F) to a maximum of 34°C (93°F), with an average temperature of 23°C (74°F). The month experiences significant rainfall, totaling 177 mm (7.0 in) over about 20 days, all while maintaining a consistent humidity level of 88%.
February, on the other hand, shows a slightly warmer maximum temperature of 35°C (95°F) while keeping the same minimum and average temperatures as January. The precipitation decreases to 158 mm (6.2 in) over 17 days, yet the humidity remains steady at 88%. Overall, February tends to feel slightly warmer with less rain compared to January. For more detailed insights, you can check out Sao Paulo weather in February.
In January, the weather in Sao Paulo is characterized by slightly warmer temperatures, with a minimum of 15°C (59°F) and a maximum of 34°C (93°F), as well as higher rainfall, totaling 177 mm (7.0 in) over 20 days and an average humidity of 88%. In contrast, March experiences similar average temperatures, ranging from a minimum of 14°C (57°F) to a maximum of 33°C (91°F), but with reduced precipitation of 135 mm (5.3 in) over 16 days and slightly lower humidity at 87%. Overall, while both months have relatively warm temperatures, March offers slightly less rainfall and a marginally drier atmosphere. For more details, you can check the Sao Paulo weather in March.
In comparison to January, April presents a mild shift in weather conditions. January tends to be warmer, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 34°C (93°F), while April's temperatures are slightly cooler, with a minimum of 11°C (52°F) and a maximum of 31°C (89°F). Additionally, January experiences significantly more rainfall, totaling 177 mm (7.0 in) over 20 days, compared to April's much lighter precipitation of 55 mm (2.2 in) across just 9 days. Humidity remains relatively high in both months, though January's average of 88% is slightly higher than April's 84%. For more details, you can check Sao Paulo weather in April.
In January, the weather in São Paulo is notably warmer, with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 34°C (93°F). The month experiences significant rainfall, with 177 mm (7.0 in) of precipitation over roughly 20 days, and humidity levels are high at 88%. In contrast, May brings a cooler climate, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 29°C (85°F) and a more moderate average of 18°C (65°F). Rainfall is significantly reduced in May, with only 48 mm (1.9 in) of precipitation occurring over about 6 days, accompanied by lower humidity at 79%. For a more detailed look at São Paulo’s weather in May, you can visit Sao Paulo weather in May.
In January, the weather is significantly warmer and more humid than in June, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 34°C (93°F) and an average of 23°C (74°F). The month also sees substantial precipitation, averaging 177 mm (7.0 in) over 20 days, resulting in high humidity levels at 88%. In contrast, June experiences cooler temperatures, with a minimum of 8°C (47°F), an average of 18°C (64°F), and a maximum of 28°C (82°F). Precipitation drops considerably to 45 mm (1.8 in) over just 6 days, and humidity is lower at 77%. For more details, check out Sao Paulo weather in June.
January and July present a striking contrast in weather conditions. In January, temperatures range from a minimum of 15°C (59°F) to a maximum of 34°C (93°F), with an average of 23°C (74°F). This month is characterized by high humidity at 88% and significant precipitation of 177 mm (7.0 in) over 20 days. In contrast, July sees much cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 29°C (85°F), averaging 17°C (62°F). Additionally, July experiences much lower precipitation, totaling just 25 mm (1.0 in) over only 2 days and a decrease in humidity to 72%. For more detailed information, you can visit Sao Paulo weather in July.
January and August in São Paulo showcase significant differences in weather conditions. In January, temperatures are much warmer, with a minimum of 15°C (59°F), an average of 23°C (74°F), and a peak of 34°C (93°F). This month also experiences high humidity at 88% and substantial rainfall, totaling 177 mm (7.0 in) over approximately 20 days. In contrast, August presents a much cooler climate, featuring a minimum temperature of 6°C (42°F), an average of 17°C (63°F), and a maximum of 32°C (89°F). Precipitation is notably lower at 57 mm (2.2 in) occurring on just 7 days, and humidity drops to 65%. For more detailed insights, check out the Sao Paulo weather in August.
In January, the weather in São Paulo is marked by warmer temperatures and high humidity, with minimums of 15°C (59°F) and maximums reaching up to 34°C (93°F). This month experiences significant rainfall, averaging 177 mm (7.0 in) over 20 days, resulting in a humid environment with a humidity level of 88%. In contrast, September brings cooler temperatures, with minimums dropping to 9°C (48°F) and a comfortable average of 20°C (69°F), while still allowing for max temperatures to touch 35°C (95°F). Precipitation is notably lower in September, totaling just 40 mm (1.6 in) over 6 days, and the humidity decreases to a more moderate 58%. For more detailed insights, you can check Sao Paulo weather in September.
When comparing the weather in January and October, January tends to be warmer and more humid. The average temperature in January hovers around 23°C (74°F), with maximum temperatures reaching up to 34°C (93°F), while October’s average is slightly cooler at 21°C (70°F), peaking at 37°C (99°F). January also experiences more precipitation, with 177 mm (7.0 in) falling over an average of 20 days, compared to October's 118 mm (4.6 in) over 16 days. Additionally, January's humidity is markedly higher at 88%, whereas October enjoys a significantly drier climate with humidity levels around 50%. For more details, check Sao Paulo weather in October.
January and November in São Paulo exhibit notable differences in weather patterns. January tends to be warmer with average temperatures reaching up to 23°C (74°F) and a maximum of 34°C (93°F), while November sees slightly cooler averages at 21°C (69°F) and can peak at 35°C (96°F). Precipitation is more significant in January, with 177 mm (7.0 in) spread over 20 days, compared to November’s 116 mm (4.6 in) over 15 days. Additionally, January experiences higher humidity levels at 88%, whereas November's humidity is more moderate at 75%. For more details on November weather, check out Sao Paulo weather in November.
In comparing the weather between January and December, January experiences slightly warmer temperatures with an average of 23°C (74°F) and a minimum of 15°C (59°F), while December has a slightly cooler average of 22°C (72°F) with a minimum of 12°C (54°F). Both months share the same maximum temperature of 34°C (93°F). Precipitation is higher in January, totaling 177 mm (7.0 in) over 20 days, compared to December's 143 mm (5.6 in) spread across 21 days. Additionally, January is more humid, with an average of 88% compared to December's 80%. For more detailed information, you can check Sao Paulo weather in December.
As January unfolds in São Paulo, it brings a unique blend of warmth and humidity that distinguishes it from other months. With temperatures peaking at 34°C (93°F) and an average of 23°C (74°F), the city basks in the height of summer. However, the atmosphere is often laden with high humidity, reaching up to 88%, and a significant amount of rainfall, with nearly 20 days experiencing precipitation. This makes January one of the wetter months, offering a vibrant yet muggy climate. For those curious about the full range of São Paulo's weather patterns, delve deeper into the details at Sao Paulo Climate.