Last updated: August 21, 2025
In Blumenau, Brazil, October showcases a vibrant mix of climate conditions that reflect the changing seasons. With a maximum temperature reaching up to 36°C (96°F) and an average of 20°C (68°F), residents experience warm days interspersed with cooler nights that can dip to a minimum of 9°C (49°F). This month also brings generous rainfall, totaling 154 mm (6.1 in) over 19 days, contributing to the region's lush landscapes. Coupled with an average humidity of 82%, October in Blumenau offers a rich tapestry of weather that is both invigorating and refreshing, making it a unique time for locals and visitors alike.
In October, Blumenau experiences a transition into warmer temperatures, with a minimum of 9°C (49°F) and a pleasant average of 20°C (68°F). The maximum can reach up to 36°C (96°F), hinting at the lingering warmth from the end of winter. As the month unfolds, you'll notice a gradual increase in warmth compared to the cooler temperatures of previous months. This pattern signifies a shift towards the ideal Brazilian spring, enhancing the city's vibrant outdoor life. The daily highs reveal a noticeable rise, making October a delightful time to enjoy Blumenau’s beautiful sights before the intense heat of summer sets in.
In October, Blumenau experiences a notable shift in weather patterns, with precipitation totaling 154 mm (6.1 in) spread over 19 days. This month stands out as a transitional period, as rainfall increases compared to the drier months of July and August, but is still less than the peak levels seen in January and December. The trend shows an upward trajectory from the low of 48 mm in July, suggesting that Blumenau is moving into its wetter season. October's rainfall serves as a precursor for the heavier showers expected in November and December, reinforcing the region's reputation for robust rainfall during this time of year. The combination of relatively consistent precipitation days alongside the moderately high total makes October a month where residents can expect the sights and sounds of a vibrant, rain-filled atmosphere.
In October, Blumenau, Brazil experiences a comfortable humidity level of 82%, contributing to the region's typical springtime climate. This marks a slight decline from the peak humidity of 88% seen in December and the 86% levels during the early months of the year. The trend reveals a gradual decrease in humidity from the height of the summer months, peaking in January and February, and stabilizing around 80-83% from July through October. As the year progresses, the consistent humidity adds a lush, vibrant feel to the surroundings, but October's relatively moderate levels offer a pleasant reprieve, paving the way for the higher humidity levels that return in the following months.
In Blumenau, Brazil, the UV Index in October reaches a notable 13, classifying it as extreme and indicating a burn time of just 10 minutes. This slight increase from September's UV Index of 11 shows a trend of heightened sun intensity as the year progresses. The months from January to March consistently feature peak values in the extreme category, while the subsequent months see a gradual decline, before trending upwards again as the year winds down. As the sun shines particularly strong in October, it's essential to take precautions when enjoying outdoor activities during this time. For more detailed insights on UV levels throughout the year, visit Blumenau UV Index.
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As October unfolds in Blumenau, Brazil, the city enjoys 222 hours of sunshine, slightly below the year’s average but still invitingly bright. This month marks a transition from the more abundant light of earlier months, with March boasting the highest sunshine at 282 hours. Following a gradual decline from the peak of June with its cloudier days, October's sunlight is reminiscent of the mellow warmth seen in September and August. Despite being less sunlit than the high summer months like December, which basks in a generous 301 hours, October still offers an appealing blend of warmth and respite, making it a charming time to explore Blumenau’s rich culture and natural beauty.
October in Blumenau, Brazil, marks a notable shift in weather patterns, with a modest chance of sunny days at just 11%. This is a significant dip compared to the sunnier months preceding it, such as July, when the probability of sunshine peaks at 52%. As the year progresses from the vibrant summer months, the likelihood of clear skies gradually declines, with the sun making fewer appearances in October than in the preceding spring and summer. This trend highlights the transition towards the wetter season, where cloudy and rainy days become more prevalent, preparing the region for the approaching summer.
In Blumenau, Brazil, the daylight duration experiences a dynamic rhythm throughout the year. January opens with a generous 13 hours of daylight, gradually tapering to 12 hours by February and March, before dipping to 11 hours in April. As the colder months approach, May to July see a steady 10 hours of daylight, marking the year's low point. However, as spring unfolds, the daylight begins to bloom again, rising to 11 hours in August and September. By October, daylight duration stabilizes once more at 12 hours, signaling a gentle transition towards the longer days of late spring and early summer, peaking at 13 hours in November and December. This cyclical pattern highlights the unique interplay of daylight in Blumenau, beautifully reflecting the shifting seasons.
As October arrives in Blumenau, Brazil, the winds begin to pick up slightly, with an average speed of 2.0 m/s (4 mph), marking a trend of increasing breeziness as the year progresses. After September's average of 1.9 m/s, this uptick not only heralds a refreshing change but also suggests that the winds are becoming more consistent as we move into the latter part of the year. Notably, October maintains this stronger wind speed alongside November and December, creating a trio of months where breezes are both noticeable and invigorating. Overall, this gentle shift in wind patterns perfectly complements the changing landscape, inviting residents and visitors alike to embrace the invigorating air of autumn in Blumenau.
Weather in Blumenau varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Blumenau, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in October and January, we see notable differences in temperature and precipitation levels. October tends to have a wider temperature range, with minimums around 9°C (49°F) and maximums reaching up to 36°C (96°F), while January consistently experiences milder minimums of 16°C (61°F) and high maximums of 38°C (101°F). Additionally, January sees a higher average temperature of 24°C (76°F) compared to October's 20°C (68°F). Precipitation is also more significant in January, with 218 mm (8.6 in) of rain falling over 20 days, surpassing October's 154 mm (6.1 in) over 19 days. Humidity levels are slightly elevated in January at 86%, compared to October's 82%. For more details, visit Blumenau weather in January.
When comparing the weather in October and February, we see some notable differences along with similar patterns. October typically has slightly cooler minimum temperatures, averaging around 20°C (68°F) with a low of 9°C (49°F), while February enjoys a warmer average temperature of 24°C (75°F) with a minimum of 12°C (54°F). Both months experience a maximum temperature of 36°C (97°F), but February records a higher amount of precipitation at 186 mm (7.3 in) compared to October's 154 mm (6.1 in), despite both months having rain on roughly 19 days. Humidity levels are also comparable, hovering around 82% in October and slightly higher at 83% in February. For a more detailed look at February weather, you can check Blumenau weather in February.
When comparing the weather in October and March, both months show noticeable differences in temperature and precipitation patterns. In October, temperatures range from a minimum of 9°C (49°F) to a maximum of 36°C (96°F), with an average of 20°C (68°F). In contrast, March enjoys a milder temperature range, with a minimum of 15°C (59°F) and a maximum of 33°C (93°F), leading to a higher average of 23°C (74°F). While October experiences significant rainfall, totaling 154 mm (6.1 in) over 19 days, March sees slightly more precipitation at 160 mm (6.3 in) across 22 days, resulting in a marginally wetter month. Additionally, humidity levels are relatively high in both months, with October at 82% and March slightly higher at 85%. For a detailed look at March weather in Blumenau, you can check out Blumenau weather in March.
When comparing the weather in October and April, both months exhibit mild temperatures with some differences. In October, the temperatures range from a minimum of 9°C (49°F) to a maximum of 36°C (96°F), with an average of 20°C (68°F). This month also sees a significant amount of precipitation, totaling 154 mm (6.1 in) over 19 days, accompanied by a high humidity level of 82%. In contrast, April features slightly cooler conditions, with temperatures ranging from 8°C (47°F) to a maximum of 32°C (91°F), and an average temperature of 21°C (69°F). The precipitation in April is lower, totaling 90 mm (3.6 in) over 14 days at a humidity level of 85%. For more detailed weather insights in April, you can visit Blumenau weather in April.
October and May showcase distinct weather patterns. In October, temperatures range from a minimum of 9°C (49°F) to a maximum of 36°C (96°F), with an average temperature of 20°C (68°F). The month tends to be quite humid at 82% and experiences significant rainfall, totaling 154 mm (6.1 in) over 19 days. In contrast, May has slightly cooler temperatures, with a minimum of 5°C (41°F), an average of 18°C (65°F), and a maximum of 31°C (89°F). Although May also features substantial humidity at 86%, it sees less precipitation, with 112 mm (4.4 in) falling over just 13 days. For a deeper dive into the weather specifics, you can refer to Blumenau weather in May.
When comparing the weather in October and June, notable differences emerge in both temperature and precipitation. October tends to be warmer, with average temperatures reaching 20°C (68°F) and maximums soaring up to 36°C (96°F), while June has a cooler average of 17°C (62°F) and a peak temperature of 30°C (86°F). Precipitation in October is also more abundant, with 154 mm (6.1 in) falling over 19 days, compared to June's 117 mm (4.6 in) over just 11 days. Humidity levels are quite similar, at 82% in October and 85% in June. For more details on the climate, you can check Blumenau weather in June.
In comparing the weather between October and July, October presents a broader temperature range, with minimums of 9°C and maximums soaring up to 36°C, while July maintains a cooler average with minimums at freezing (0°C) and maxing out at 30°C. Additionally, October experiences significantly higher precipitation, with 154 mm spread over 19 days, compared to July’s much drier 48 mm over just 8 days. Humidity levels are relatively close, hovering around 82% in October and 80% in July, but the increased rain and warmer temperatures in October create a distinctly more humid atmosphere. For a closer look at July's climate, you can explore Blumenau weather in July.
In October, the weather features a more significant temperature range, with minimums around 9°C (49°F) and maximums reaching up to 36°C (96°F), showcasing a warmer overall average of 20°C (68°F). Additionally, October experiences higher precipitation at 154 mm (6.1 in) over 19 days, along with increased humidity at 82%. In contrast, August has cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 32°C (89°F), an average of 16°C (61°F), and significantly less rainfall, totaling 73 mm (2.9 in) over 10 days. For more detailed weather information specific to August, you can visit Blumenau weather in August.
In comparing the weather between September and October, we see a noticeable rise in temperatures. October boasts a minimum temperature of 9°C (49°F) and an average high of 20°C (68°F), significantly higher than September’s min of 6°C (44°F) and max of 31°C (87°F). Additionally, October experiences more precipitation, with 154 mm (6.1 in) over 19 days, compared to September’s 115 mm (4.5 in) over 13 days. Both months maintain similar humidity levels at 82%. For more detailed information, check out Blumenau weather in September.
October and November exhibit similar weather patterns, but with slight variations. In October, temperatures range from a minimum of 9°C (49°F) to a maximum of 36°C (96°F), with an average of 20°C (68°F). The month experiences considerable rainfall, totaling 154 mm (6.1 in) across 19 days, and humidity levels hover around 82%. In contrast, November sees a slight increase in temperatures, with a minimum of 10°C (50°F) and an average of 21°C (70°F), while the maximum drops slightly to 35°C (95°F). This month experiences a decrease in total precipitation, amounting to 137 mm (5.4 in) over 20 days, and humidity rises to 86%. For more details, check out Blumenau weather in November.
In comparing the weather between October and December, both months exhibit warm temperatures, but December tends to be slightly warmer overall. October showcases a minimum temperature of 9°C (49°F) and an average of 20°C (68°F), while December has a minimum of 12°C (54°F) and a higher average of 23°C (73°F). Both months reach maximum temperatures of up to 36°C (96°F in October and 97°F in December). Precipitation levels are also notable, with October receiving 154 mm (6.1 in) over 19 days and December totaling 192 mm (7.6 in) across 21 days, contributing to a higher humidity level of 88% in December compared to October’s 82%. For a detailed look at December’s weather patterns, you can check Blumenau weather in December.
October in Blumenau ushers in a distinct shift in weather compared to the preceding months. With warmer temperatures making their presence felt, the average rises to a comfortable 20°C, contrasting sharply with the cooler days of winter. However, this month also brings a touch of moisture, as precipitation occurs on nearly two-thirds of the days. The high humidity level of 82% can make the warmth feel even more intense. This blend of warmth and rain not only enhances the lushness of the surroundings but also creates a unique atmosphere that sets October apart from the drier and cooler months. For a deeper understanding of what to expect throughout the year, explore the detailed insights in our Blumenau Climate.