Last updated: August 21, 2025
In Blumenau, Brazil, January brings a warm tropical climate characterized by maximum temperatures soaring up to 38°C (101°F), with an average of 24°C (76°F) and a minimum of 16°C (61°F). However, residents and visitors should be prepared for significant rainfall, with a total precipitation of 218 mm (8.6 in) spread across 20 days, contributing to the region's high humidity levels of 86%. This mix of heat and moisture creates a vibrant, lush environment, perfect for enjoying the beauty of Blumenau's landscapes, despite the likelihood of rain.
In Blumenau, Brazil, January marks the height of summer, showcasing a delightful range of temperatures that entice both locals and visitors. With a minimum of 16°C (61°F) and a maximum soaring to 38°C (101°F), the month averages a pleasant 24°C (76°F), making it ideal for outdoor adventures. As the month progresses, the heat gradually wanes into February, where temperatures dip slightly, yet the average remains steady at 24°C (75°F). This pattern of warmth persists through early autumn, with March averaging 23°C (74°F) before ushering in cooler autumn months. By mid-year, Blumenau experiences a noticeable drop, with July hitting a brisk 15°C (60°F) average, showcasing the significant seasonal shift. Yet, by December, the warmth returns, creating a cyclical rhythm of Brazilian climate that beautifully highlights the diverse temperatures throughout the year.
In January, Blumenau, Brazil experiences its peak precipitation, receiving an impressive 218 mm (8.6 in) of rain over the month, typically spanning 20 days. This sets the tone for a wet start to the year, as the rains gradually decrease in intensity with February and March seeing 186 mm (7.3 in) and 160 mm (6.3 in), respectively, yet still fill the skies for a notable 19 and 22 days. A sharp decline occurs in the latter months, with April dropping to 90 mm (3.6 in) over 14 days, and July sees a significant dip to just 48 mm (1.9 in) across 8 days, marking the driest period. As the year progresses towards December's 192 mm (7.6 in), the trend illustrates a vibrant wet season that undeniably influences the region’s lush landscape and vibrant ecosystems.
In January, Blumenau, Brazil experiences a notable humidity level of 86%, setting the tone for an overall wet summer season. This peak in humidity is not isolated; it is followed closely by February's 83% and remains consistent through March and April at 85%, emphasizing a trend of high moisture during the early months of the year. Interestingly, as the year progresses, humidity begins to decline, reaching a low of 79% in August before gradually rising again. By December, the humidity climbs back up to 88%, indicating a significant seasonal shift. Overall, Blumenau's humidity levels reflect a vibrant tropical climate, providing lush greenery but also highlighting the challenge of managing moisture throughout the year.
In January, Blumenau, Brazil, experiences an extreme UV Index of 15, indicating a burn time of just 10 minutes—a trend that persists through February and March with similarly high levels. As the year progresses into April, the UV Index dips slightly to 10, but it remains in the very high exposure category, allowing for a burn time of 15 minutes. Monthly UV Index readings show a gradual decline from extreme to high levels by May and June, where a burn time of 25 minutes is more manageable. However, as spring arrives, the UV Index climbs back to 11 in September and maintains an extreme level of 14 in November, before peaking again at 15 in December. This pattern underscores the importance of sun protection during the warmer months, as the potential for skin damage increases significantly. For detailed information on UV levels, visit Blumenau UV Index.
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In January, Blumenau enjoys an inviting 225 hours of sunshine, setting a vibrant tone for the year ahead. As the summer months unfold, the region basks in increased sunlight, with February and March boasting even more hours at 278 and 282, respectively. This sunny trio represents the peak of the season, encouraging outdoor activities and celebrations. However, as April rolls in, a slight dip to 263 hours signals the transition to cooler days, yet it remains pleasantly bright. The following months maintain a steady rhythm, with sunshine hours ranging between 207 and 258, while December ultimately crowns the year with a radiant 301 hours. This trend illustrates not only the warmth of summer but also the gradual return to longer sunny stretches as each year closes, making Blumenau a captivating destination for sunshine enthusiasts year-round.
In Blumenau, Brazil, January isn't exactly the sunniest month, with only a 14% chance of sunny weather to brighten up your days. This trend starkly contrasts with the following months, particularly February, where the likelihood of sunshine skyrockets to 46%, marking a significant shift toward clearer skies. As we move into the early fall months, the chances remain relatively stable, peaking again in July at a commendable 52%. With January's limited sunlight, it's clear that while summer in Blumenau may not start off as bright, the region warms up to sunnier dispositions in the months ahead, making it a fascinating study of Brazil's diverse climate patterns.
In Blumenau, Brazil, January boasts the longest daylight duration of the year, offering a vibrant 13 hours of sunshine that invites both adventure and relaxation. As we transition into February and March, daylight slightly decreases to 12 hours, but the warmth of summer lingers. By April, the days shorten further to 11 hours, signaling the approaching winter months. May through July sees a consistent daylight duration of 10 hours, offering a cozy atmosphere but fewer sunlit hours. As spring arrives in August and September, daylight begins to increase again, reaching 11 hours once more. This gradual ascent continues into October with 12 hours and peaks back at 13 hours in both November and December, wrapping up the year with the same bright promise in the skies where it began. Overall, Blumenau's daylight patterns reflect a beautiful cyclical rhythm, embodying the essence of each season throughout the year.
In Blumenau, Brazil, January brings a gentle breeze with an average wind speed of 1.7 m/s (4 mph), setting a tranquil tone for the month. As the year unfolds, wind speeds fluctuate slightly; February sees a minor rise to 1.8 m/s, while March experiences a dip to 1.5 m/s. However, the winds remain relatively mild throughout, maintaining an average of about 4 mph for most of the year. The winds gently pick up pace in September, peaking at 1.9 m/s, and then stabilizing at 2.0 m/s from October through December. This trend in wind speeds suggests a calm, pleasant atmosphere in January, ideal for enjoying outdoor activities while hinting at slightly livelier conditions as the months progress.
Weather in Blumenau varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Blumenau, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, the weather in Blumenau is characterized by higher temperatures, with a minimum of 16°C (61°F) and a maximum reaching up to 38°C (101°F), while February sees slightly cooler conditions, with minimum temperatures dropping to 12°C (54°F) and a maximum of 36°C (97°F). Both months experience significant precipitation, but January tends to be wetter, receiving 218 mm (8.6 in) over 20 days, compared to February's 186 mm (7.3 in) over 19 days. Humidity levels are also slightly higher in January at 86%, compared to February’s 83%. For more detailed insights, check out Blumenau weather in February.
In January, the weather is characterized by higher temperatures, with minimums around 16°C (61°F) and maximums reaching up to 38°C (101°F), leading to an average temperature of 24°C (76°F). This month also experiences significant rainfall, totaling 218 mm (8.6 in) over 20 days, coupled with high humidity levels at 86%. In contrast, March sees a slight decrease in temperatures, with minimums at 15°C (59°F) and maximums peaking at 33°C (93°F), resulting in an average of 23°C (74°F). While the rainfall is less, at 160 mm (6.3 in) over 22 days, the humidity remains relatively stable at 85%. For more detailed insights, check out Blumenau weather in March.
In January, the weather is significantly warmer with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 38°C (101°F), maintaining an average of 24°C (76°F). Additionally, January experiences higher rainfall at 218 mm (8.6 in) over 20 days, coupled with high humidity at 86%. In contrast, April sees cooler conditions with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 32°C (91°F) and an average of 21°C (69°F). Precipitation decreases notably to 90 mm (3.6 in) across 14 days with humidity slightly lower at 85%. For more details on April weather, visit Blumenau weather in April.
In January, the weather is considerably warmer, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 38°C (101°F) and an average of 24°C (76°F). This month experiences high precipitation levels, with around 218 mm (8.6 in) falling over 20 days, leading to high humidity levels of 86%. In contrast, May presents a much cooler climate, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 31°C (89°F) and an average of 18°C (65°F). Rainfall is also reduced, totaling 112 mm (4.4 in) over 13 days, yet humidity remains consistent at 86%. For more details on May weather, you can visit Blumenau weather in May.
In January, the weather is significantly warmer, with temperatures ranging from a minimum of 16°C (61°F) to a peak of 38°C (101°F) and an average of 24°C (76°F). This month also sees substantial rainfall, with 218 mm (8.6 in) of precipitation recorded over 20 days and a humidity level of 86%. In contrast, June offers much cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 30°C (86°F), averaging at 17°C (62°F). The precipitation drops to 117 mm (4.6 in) over 11 days, maintaining a slightly lower humidity of 85%. For more details on the weather in June, you can check Blumenau weather in June.
In January, the weather is noticeably warmer, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 38°C (101°F) and an average of 24°C (76°F). This month also experiences significant rainfall, totaling 218 mm (8.6 in) over approximately 20 days and high humidity at 86%. In contrast, July offers much cooler temperatures, with a minimum of 0°C (32°F), an average of 15°C (60°F), and a maximum reaching 30°C (87°F). Precipitation is much lower in July, at just 48 mm (1.9 in) over 8 days, complemented by a slightly lower humidity level of 80%. For more details about July weather in Blumenau, you can visit Blumenau weather in July.
In January, the weather is warm and humid, with temperatures ranging from a minimum of 16°C (61°F) to a scorching maximum of 38°C (101°F) and an average of 24°C (76°F). This month also sees significant rainfall, totaling 218 mm (8.6 in) over approximately 20 days, contributing to a high humidity level of 86%. In contrast, August experiences much cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 32°C (89°F), averaging only 16°C (61°F). Precipitation decreases significantly to 73 mm (2.9 in) over about 10 days, and humidity drops to 79%. For a closer look at what to expect, you can check Blumenau weather in August.
In January, the weather is significantly warmer and more humid, with temperatures ranging from a cool 16°C (61°F) to a scorching 38°C (101°F), and an average of 24°C (76°F). This month also sees considerable rainfall, with 218 mm (8.6 in) over about 20 days, contributing to the high humidity of 86%. In contrast, September offers a much milder climate, with temperatures fluctuating between 6°C (44°F) and 31°C (87°F), and an average of 19°C (66°F). Precipitation is lighter at 115 mm (4.5 in) over 13 days, and humidity slightly decreases to 82%. For more detailed information on the weather conditions in September, you can check Blumenau weather in September.
When comparing the weather in January and October, there are notable differences in temperature, precipitation, and humidity. In January, temperatures range from a minimum of 16°C (61°F) to a scorching maximum of 38°C (101°F), with an average of 24°C (76°F). The month sees significant rainfall, with 218 mm (8.6 in) spread over 20 days and a high humidity level of 86%. In contrast, October experiences cooler temperatures, with a minimum of 9°C (49°F), an average of 20°C (68°F), and a maximum of 36°C (96°F). Precipitation is also lower at 154 mm (6.1 in) over 19 days, accompanied by slightly reduced humidity at 82%. For more information on the October climate, you can visit Blumenau weather in October.
In comparing the weather conditions between January and November, January tends to be hotter, with minimum temperatures starting at 16°C (61°F) and averaging around 24°C (76°F), peaking at a maximum of 38°C (101°F). In contrast, November features milder temperatures, ranging from a minimum of 10°C (50°F) up to a maximum of 35°C (95°F), with an average of 21°C (70°F). While both months experience similar levels of precipitation, averaging 20 days of rain, January receives significantly more rainfall at 218 mm (8.6 in) compared to November’s 137 mm (5.4 in). Despite the differences in temperature and precipitation, humidity remains consistent at 86% throughout both months. For specific details on November weather in Blumenau, check out Blumenau weather in November.
In comparing the weather of January and December, January tends to be slightly warmer, with minimum temperatures reaching 16°C (61°F) and maximums soaring up to 38°C (101°F), while December records a cooler minimum of 12°C (54°F) and a maximum of 36°C (97°F). The average temperatures are also a bit higher in January at 24°C (76°F) compared to December's average of 23°C (73°F). Both months see a significant amount of rainfall, with January receiving 218 mm (8.6 in) over 20 days and December experiencing 192 mm (7.6 in) across 21 days. Humidity levels are relatively comparable, with January at 86% and December slightly higher at 88%. For more detailed insights, you can check Blumenau weather in December.
January in Blumenau is marked by a notable shift in weather, characterized by high temperatures and significant humidity that set it apart from other months. With warm days peaking at around 38°C (101°F) and an average of 24°C (76°F), residents and visitors alike experience a tropical warmth that invites outdoor activities. However, this heat is accompanied by frequent rainfall, with precipitation occurring on about two-thirds of the days, resulting in a total of 218 mm (8.6 in) for the month. The high humidity levels of 86% can make the air feel heavier, adding to the vibrant ambiance of Blumenau in January. For a deeper understanding of what to expect throughout the year, explore more about the region's year-round nuances at Blumenau Climate.