Last updated: August 21, 2025
In October, Santos Dumont, Brazil experiences a vibrant and varied climate, characterized by maximum temperatures reaching 34°C (94°F) and an average of 21°C (70°F). The cooler nights bring temperatures down to a minimum of 12°C (54°F), offering a refreshing contrast to the daytime warmth. While the month sees 166 mm (6.5 in) of rainfall spread over 19 days, the humidity averages around 48%, creating a pleasantly balmy atmosphere. Embrace the dynamic weather as it shifts from sunny spells to refreshing showers, making October an intriguing time to explore this Brazilian gem.
In Santos Dumont, Brazil, October marks the transition into warmer weather, with temperatures starting to rise as the year progresses. The month sees a comfortable minimum temperature of 12°C (54°F) and an average of 21°C (70°F), while the maximum can reach a sizzling 34°C (94°F). This pattern reflects a gradual shift from the cooler months of April and May, evident as October boasts significantly higher maximums, peaking similar to the hottest months in the year. The overall trend indicates that as spring advances toward summer, residents can expect increasingly warm and pleasant days, making it an ideal time to explore the beauty of this vibrant region.
In Santos Dumont, Brazil, October marks a significant uptick in precipitation, with 166 mm (6.5 in) of rain falling over 19 days. This amount reflects a startling contrast to the drier months prior, particularly from June through August, when rainfall significantly dwindled. As spring transitions into summer, October's precipitation not only contributes to the lush landscapes but heralds the onset of the wetter season, which peaks in December with 303 mm (11.9 in). Interestingly, the increase in rain during October is part of a broader trend, with both November and December consistently showcasing high precipitation levels, indicating a shift toward a more humid climate as the year draws to a close. As such, October acts both as a precursor to this seasonal change and a reminder of the vibrant ecosystem that thrives on its nourishing rains.
In October, Santos Dumont experiences a notable shift in humidity, plunging to a comfortable 48%. This marks a significant drop from the previous months, as the humidity steadily decreased from 87% in March to 63% in September. With this decline, October offers a refreshing change compared to the steamy conditions of earlier in the year, making it an ideal time for outdoor activities. Following this low point, humidity begins to rise gradually again as the year progresses, leading into the more humid months of November and December. Such trends highlight Santos Dumont's fluctuating climate, where October stands out as a refreshing respite from the sweltering humidity characteristic of the Brazilian summer.
In October, Santos Dumont experiences a notable UV Index of 14, classified as extreme, similar to both March and November. This trend showcases a consistent pattern of high UV levels during the spring and early summer months, necessitating vigilance when it comes to sun protection. Notably, during these months, the burn time remains at a critical 10 minutes, emphasizing the importance of taking precautions against potential skin damage. As the year transitions, the UV Index shows a slight decrease in May and June, shifting to very high and high categories, before ramping back up as the year ends. For more insights and detailed trends, check out Santos Dumont UV Index.
UV Risk Categories
In October, Santos Dumont basks in an average of 250 sunshine hours, marking a slight dip from the vibrant peak of March with 304 hours and the consistent warmth of July and September, both at 287 hours. This month's sunshine, while less than some earlier months, still contributes to a pleasant climate as it transitions into the warmer summer season. Notably, the year showcases a general trend of fluctuating sunshine hours, with the most radiant months clustering from late winter to early spring, before gently tapering off into late autumn. As autumn unfolds, October invites residents and visitors alike to enjoy the transformative beauty of Santos Dumont, where each sunbeam contributes to the charm of the Brazilian landscape.
In Santos Dumont, Brazil, October's likelihood of sunny weather takes a noticeable dip, with only a 9% chance of sun. This is significantly lower than the preceding months, as July boasts a striking 74%, followed by June at 49% and April with a solid 47%. As the year progresses into the latter months, the chances of sunshine diminish, as November and December also record low probabilities of 19% and 20%, respectively. This trend suggests that if you're planning to enjoy outdoor activities in October, you might want to keep an eye on the weather forecast and be prepared for less-than-ideal conditions.
In Santos Dumont, Brazil, the daylight duration experiences a subtle but fascinating rhythm throughout the year. Starting off with 13 hours of daylight in January, the days gradually shorten to 10 hours by June and July, marking the year’s darkest months. However, as winter gives way to spring, daylight begins to increase once again, reaching back to 12 hours in October before peaking at 13 hours again in November and December. This cyclical pattern highlights the gradual transition from longer to shorter days and back again, showcasing nature's predictable dance in this vibrant locale.
As October sweeps into Santos Dumont, Brazil, the average wind speed begins to rise, reaching 2.7 m/s (6 mph), marking one of the briskest months of the year. This upward trend in wind intensity is a delightful shift from the calmness of earlier months, where speeds lingered around 1.8 to 2.5 m/s. With the winds picking up, October not only brings a refreshing change to the coastal air but also hints at the transition to a breezier Brazilian summer. The increase in wind speed, noticeable from September to October, sets the stage for enjoyable outdoor activities, making this month a perfect time for kite flying or simply relishing the invigorating atmosphere.
Weather in Santos Dumont varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Santos Dumont, focusing on differences in temperature, rainfall, humidity, and UV levels.
In October, the weather shows a wider temperature range, with minimums around 12°C (54°F) and maximums reaching up to 34°C (94°F), providing warm days and cooler nights. The month experiences significant rainfall, accumulating 166 mm (6.5 in) over 19 days, while the humidity hovers at a moderate 48%. In contrast, January presents slightly higher temperatures with minimums around 17°C (63°F) and a more consistent average of 23°C (74°F). Precipitation remains similar at 164 mm (6.5 in) over 15 days, but the humidity rises notably to 83%, creating a more humid and potentially uncomfortable atmosphere. For more details on January weather, check out Santos Dumont weather in January.
October and February present distinct weather patterns. In October, temperatures range from a minimum of 12°C (54°F) to a maximum of 34°C (94°F), with an average of 21°C (70°F). This month experiences 166 mm (6.5 in) of precipitation over 19 days, accompanied by a relative humidity of 48%. In contrast, February brings slightly warmer temperatures, with a minimum of 16°C (60°F) and an average of 22°C (73°F), peaking at 34°C (93°F). Rainfall in February is significantly higher at 274 mm (10.8 in) across the same number of days, resulting in a much more humid atmosphere at 85%. For more details, you can check the Santos Dumont weather in February.
When comparing the weather between October and March, it's evident that March is generally warmer, with an average temperature of 23°C (73°F), compared to October's 21°C (70°F). While both months experience notable precipitation, March sees higher rainfall at 216 mm (8.5 in) over 17 days, contrasting with October's 166 mm (6.5 in) over 19 days. Additionally, March has a much higher humidity level at 87%, compared to October's 48%, making March feel significantly more humid and tropical. For more detailed insights, you can check the specific conditions in Santos Dumont weather in March.
When comparing the weather in October and April, both months present mild temperatures, with October generally experiencing slightly higher maximums. October boasts a temperature range from a minimum of 12°C (54°F) to a maximum of 34°C (94°F), while April has a maximum of 31°C (88°F). Additionally, October is more prone to precipitation, receiving 166 mm (6.5 in) over 19 days, compared to April's 77 mm (3.0 in) across 12 days. Humidity also varies significantly, with October having a lower humidity level at 48%, while April is much more humid at 86%. For a detailed look at the weather in April, you can check Santos Dumont weather in April.
In October, the weather is generally warmer than in May, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 34°C (94°F), resulting in an average of 21°C (70°F). However, October also experiences significantly higher precipitation, totaling 166 mm (6.5 in) over 19 days. Conversely, May has cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 29°C (84°F), averaging 18°C (66°F). This month sees much less rainfall, with only 50 mm (2.0 in) recorded over 7 days, but the humidity is notably higher at 82%. For a detailed overview of conditions in May, you can explore Santos Dumont weather in May.
Comparing the weather in October and June reveals notable differences in temperature and humidity. In October, temperatures range from a minimum of 12°C (54°F) to a maximum of 34°C (94°F), with an average of 21°C (70°F), while June experiences cooler temperatures, with a range from 9°C (49°F) to 29°C (85°F), averaging 18°C (65°F). Additionally, October is characterized by higher precipitation, measuring 166 mm (6.5 in) over 19 days, compared to June's much drier conditions with only 22 mm (0.9 in) across 5 days. Humidity also contrasts sharply, with October at a moderate 48% compared to June's higher humidity level of 82%. For a more detailed look at the weather during June, you can check Santos Dumont weather in June.
When comparing the weather in October and July, one can observe notable differences in temperature and precipitation. October typically enjoys warmer conditions, with average temperatures reaching 21°C (70°F) compared to July's cooler average of 17°C (62°F). July experiences a lower minimum temperature of 7°C (44°F) and a maximum of 28°C (82°F), while October can soar to highs of 34°C (94°F). Precipitation levels also vary significantly; October sees about 166 mm (6.5 in) of rain over 19 days, whereas July is relatively dry with only 15 mm (0.6 in) over just 3 days. Additionally, the humidity in July is considerably higher at 77%, compared to October's more comfortable 48%. For more details on the weather during July, you can check Santos Dumont weather in July.
When comparing the weather in October to that of August, notable differences emerge. October features a broader temperature range, with minimums of 12°C (54°F) and maximums reaching 34°C (94°F), compared to August's milder temperatures that range from 6°C (43°F) to 30°C (86°F). Additionally, October experiences significantly higher rainfall, totaling 166 mm (6.5 in) over 19 days, while August has only 42 mm (1.7 in) across just 6 days. The humidity levels also fluctuate; October has a relatively lower humidity of 48%, while August is more humid at 72%. For more details on August conditions, you can check Santos Dumont weather in August.
In comparing the weather patterns of September and October, October tends to be slightly warmer, with average temperatures reaching around 21°C (70°F) compared to September's average of 20°C (69°F). October also experiences higher maximum temperatures, peaking at 34°C (94°F), whereas September's maximum hits 33°C (92°F). However, October is notably wetter, with 166 mm (6.5 inches) of precipitation over 19 days, compared to September's much drier 52 mm (2.1 inches) over 9 days. Additionally, humidity levels are lower in October at 48%, while September has a higher humidity at 63%, making October feel a bit more comfortable despite the increased rainfall. For detailed insights into September's weather, you can check Santos Dumont weather in September.
In comparing October and November weather, October features slightly warmer temperatures with a maximum of 34°C (94°F) and an average of 21°C (70°F). The month sees a total precipitation of 166 mm (6.5 in) over 19 days and a lower humidity level of 48%. In contrast, November brings a cooler maximum temperature of 32°C (90°F) while maintaining a similar average. However, the precipitation increases significantly to 241 mm (9.5 in) spread across 20 days, accompanied by higher humidity at 61%. For detailed insights on November weather conditions, you can refer to Santos Dumont weather in November.
In comparing the weather of October and December, we observe a slight increase in temperatures, with December featuring a minimum of 13°C (57°F) and an average of 22°C (72°F), compared to October's minimum of 12°C (54°F) and average of 21°C (70°F). Both months experience warm maximum temperatures, although December’s maximum reaches 33°C (92°F) while October peaks at 34°C (94°F). A notable difference lies in precipitation; December sees significantly higher rainfall at 303 mm (11.9 in) over 24 days, contrasting with October's 166 mm (6.5 in) across 19 days. Additionally, December has a higher humidity level at 68%, compared to October's 48%. For more details, check out Santos Dumont weather in December.
As October arrives in Santos Dumont, the weather begins to shift, presenting a blend of warmth and moisture that sets it apart from other months. The temperatures can reach a warm 34°C, while the average hovers around a comfortable 21°C. This transition also brings forth an increase in precipitation, with nearly half the month seeing rain, creating a lush and vibrant landscape. The humidity level at 48% adds a touch of tropical feel, making October unique as it marks the beginning of the rainy season. For more detailed information on what to expect throughout the year, check out the Santos Dumont Climate.