Last updated: August 21, 2025
In Guaiba, Brazil, January brings a dynamic climate characterized by a maximum temperature soaring up to 39°C (103°F), paired with a pleasant average of 26°C (79°F). The month experiences a minimum temperature of 15°C (58°F), showcasing a considerable range for residents and visitors. Although the weather is predominantly warm, January also sees 93 mm (3.7 in) of rainfall across approximately 12 days, contributing to a humidity level of around 77%. This combination of warmth and moisture sets the stage for a vibrant, lush environment, making Guaiba a unique destination in the summer season.
In Guaiba, Brazil, January experiences a vibrant range of temperatures that sets the tone for the summer season. With a minimum of 15°C (58°F) and a maximum soaring to 39°C (103°F), the month is characterized by warm days that invite outdoor adventures. The average temperature hovers around a pleasant 26°C (79°F), making it ideal for enjoying Guaiba’s scenic waterfront. As January transitions into February, temperatures dip slightly, signaling the shift towards cooler months, yet the warmth remains a constant theme. This trend of fluctuating warmth continues throughout the year, showcasing a climate that is both diverse and welcoming, perfect for exploring the rich culture and natural beauty of the region.
In Guaíba, Brazil, January welcomes a modest precipitation total of 93 mm (3.7 in), spread over an average of 12 days. This marks the month as a transitional period before the region experiences a significant uptick in rainfall in the following months. As February and March unfold, precipitation levels rise sharply, reaching 112 mm (4.4 in) and 109 mm (4.3 in), respectively. Interestingly, this trend of increased rainfall continues into May and September, where peaks of 153 mm (6.0 in) and 155 mm (6.1 in) are recorded, accompanied by an average of 10-12 rainy days. Contrastingly, April and August offer reprieve, with notably lower totals of 73 mm (2.9 in) and 70 mm (2.8 in), signaling the transition into the drier months. Overall, January serves as a gateway to a lush and dynamic rainy season, reflecting Guaíba's vibrant climate patterns.
In January, Guaiba, Brazil, experiences an average humidity of 77%, setting the stage for a year marked by generally high moisture levels. As the seasons progress, humidity gradually increases, peaking at 87% in May, illustrating the region's shift towards its wettest months. The trend stabilizes into the mid-80s through the summer, with February and March holding steady at 79%, while April sees a slight rise to 82%. Notably, the humidity begins to ease by late winter, maintaining a comfortable range of 81% to 85% from August through November. This consistent humidity pattern not only shapes Guaiba's climate but also influences the vibrant ecosystems and cultural life throughout the year.
In January, Guaiba, Brazil, experiences an extreme UV Index of 14, with a rapid burn time of just 10 minutes. This trend of elevated UV exposure continues into February and March, where the index remains high at 13 and 12, respectively. As the year progresses into April, there’s a notable decline to a very high index of 9, allowing for slightly longer burn time at 15 minutes. Months like May and June see a gradual decrease, with the index dropping to 6 and 4, which correspond to high and moderate categories, and burn times extending to 25 and 30 minutes. As spring emerges, July and August see the UV levels fluctuate around 5 and 7, still within the moderate to high range. However, the extreme conditions return in the final months of the year, with October, November, and December all registering indices of 12, 13, and 14, respectively, once again emphasizing the need for sun protection. For more detailed information, you can visit the Guaiba UV Index page.
UV Risk Categories
In Guaiba, Brazil, January welcomes the year with an impressive 272 hours of sunshine, setting a vibrant tone for the months ahead. As the summer unfolds, February and March shine slightly brighter, boasting 310 and 312 hours respectively, perfect for outdoor adventures and beach outings. However, as autumn approaches, the sunshine begins to wane, with April dipping to 271 hours and gradually declining through the winter months, culminating in 220 hours in June. Interestingly, July sees a slight revival with 239 hours, hinting at the resilience of the sun. The trend picks up again from August through December, culminating in a dazzling 361 hours of sunshine in December, showcasing the region’s ability to offer abundant light even as the year draws to a close. This seasonal ebb and flow of sunshine not only enhances Guaiba's natural beauty but also fuels its spirited atmosphere throughout the year.
In Guaíba, Brazil, January offers a 43% chance of sunny weather, placing it among the months with moderate sunshine potential. This likelihood dips in March to 40%, before picking up again in April and May, where the chances rise to 54% and 55%, respectively. The trend shifts notably in the following months, with July showcasing the sunniest disposition at 60%, while late winter months like June and September drop significantly to 32% and 30%. Interestingly, as the year progresses, sunshine opportunities generally improve, culminating in October with a 48% likelihood, leading into a year-end peak of 57% in December. Overall, while January starts the year on a relatively cloudy note, the potential for more sunshine quickly becomes evident as summer approaches.
In Guaíba, Brazil, January shines with a generous 13 hours of daylight, a continuation of the bright conditions experienced in February. As summer transitions into fall, daylight begins to wane, dipping to 12 hours in March and further to 11 hours in April. The trend of shorter days persists as May, June, and July each provide a consistent 10 hours of light, marking the peak of winter. However, as August rolls in, daylight begins to extend once again, returning to 11 hours in both August and September. The rhythm of the seasons resumes its cadence, with daylight gradually increasing to 12 hours in October, before climbing back to 13 hours in November and reaching its zenith at 14 hours in December. This cyclical pattern showcases the rich interplay of Guaíba’s daylight hours, reflecting the region’s vibrant seasonal shifts.
In Guaíba, Brazil, January greets residents and visitors with a gentle average wind speed of 3.1 m/s (7 mph), setting the tone for the month. As the seasons transition, the winds fluctuate subtly, dipping slightly in February before experiencing a gradual decline through March and April. However, this trend reverses mid-year, with June picking up the pace to 3.2 m/s and moving upwards into October and November, where speeds peak at 3.4 m/s and 3.7 m/s, respectively. This consistent pattern reveals that while the summer months may start off with moderate breezes, the latter part of the year ushers in stronger winds, enhancing the vibrant atmosphere of Guaíba as it shifts toward the end of the year.
Weather in Guaiba varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Guaiba, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February showcase similar warm weather patterns, though February tends to be slightly cooler and wetter. In January, temperatures range from a minimum of 15°C (58°F) to a maximum of 39°C (103°F), with an average of 26°C (79°F) and precipitation totaling 93 mm (3.7 in) over about 12 days. In contrast, February sees a slight dip in temperature, with a minimum of 14°C (58°F), an average of 25°C (77°F), and a maximum of 38°C (100°F). Precipitation increases to 112 mm (4.4 in) over 11 days, and humidity also rises marginally to 79%. For more detailed weather information, check out Guaiba weather in February.
In January, temperatures in Guaíba range from a minimum of 15°C (58°F) to a maximum of 39°C (103°F), with an average temperature of 26°C (79°F). The month sees significant rainfall, with 93 mm (3.7 in) spread over 12 days and humidity levels at 77%. In contrast, March experiences slightly cooler temperatures, with a minimum of 13°C (56°F) and an average of 23°C (75°F), peaking at 38°C (100°F). Rainfall also increases in March, totaling 109 mm (4.3 in) over the same number of wet days, while humidity remains relatively high at 79%. For more detailed information, you can visit Guaiba weather in March.
In January, the weather is significantly warmer, with temperatures ranging from a minimum of 15°C (58°F) to a scorching maximum of 39°C (103°F) and an average temperature of 26°C (79°F). This month also sees higher precipitation levels, averaging 93 mm (3.7 in) over 12 days, accompanied by a humidity level of 77%. In contrast, April offers a cooler climate with minimum temperatures dropping to 8°C (47°F) and a maximum of 34°C (93°F), averaging 21°C (71°F). Rainfall is less frequent in April, with a total of 73 mm (2.9 in) over just 8 days, and humidity rises slightly to 82%. For more specific details on the weather during April, you can refer to Guaiba weather in April.
In comparing January and May weather, it's clear that January experiences higher temperatures, with averages around 26°C (79°F) and maximums reaching up to 39°C (103°F), while May sees cooler conditions, averaging 17°C (63°F) and peaking at 32°C (90°F). Additionally, January has a higher humidity level of 77% compared to May's 87%. Precipitation is also more intense in May, totaling 153 mm (6.0 in) over 10 days, whereas January receives 93 mm (3.7 in) across 12 days. For more detailed insights, check out Guaiba weather in May.
In January, the weather is characterized by warm temperatures, with a minimum of 15°C (58°F) and an average high of 39°C (103°F). The month sees a considerable amount of rainfall, totaling 93 mm (3.7 in) over approximately 12 days, and the humidity hovers around 77%. In contrast, June experiences cooler temperatures, with a minimum of just 3°C (38°F) and an average high of 31°C (88°F). While it is slightly wetter with 113 mm (4.4 in) of precipitation over 9 days, the humidity rises to 85%. For more detailed information about Guaiba’s June weather, check this link: Guaiba weather in June.
January and July present starkly contrasting weather conditions. In January, temperatures soar, ranging from a minimum of 15°C (58°F) to a sweltering maximum of 39°C (103°F), with an average of 26°C (79°F). This month also experiences relatively high precipitation, with 93 mm (3.7 in) of rain falling over 12 days and humidity levels at 77%. In contrast, July is much cooler, with temperatures dipping to a minimum of 2°C (35°F) and an average of 14°C (58°F), while peaking at 30°C (87°F). July sees increased precipitation at 122 mm (4.8 in) over just 8 days, accompanied by a slightly higher humidity of 82%. For a detailed look at July weather in Guaiba, see Guaiba weather in July.
When comparing the weather in January and August, there is a stark contrast in temperature and conditions. January boasts a warm climate with average temperatures reaching 26°C (79°F) and maximums soaring up to 39°C (103°F), accompanied by a higher humidity of 77% and a significant amount of precipitation over 12 days totaling 93 mm (3.7 in). In contrast, August experiences much cooler temperatures, with an average of 16°C (61°F) and maximums of 34°C (94°F). Although August has a slightly lower precipitation level of 70 mm (2.8 in) and fewer rainy days at 8, the humidity remains high at 81%. This shift in weather highlights the transition from the warm, humid summer months to the cooler, drier winter season. For more detailed information, you can refer to Guaiba weather in August.
In January, temperatures often soar with a minimum of 15°C (58°F) and an average high reaching up to 39°C (103°F), while September experiences a cooler climate with a minimum of 7°C (45°F) and an average maximum of 36°C (96°F). Precipitation is notably higher in September, with 155 mm (6.1 in) over 12 days, compared to January's 93 mm (3.7 in) also spread across 12 days. Additionally, September’s humidity is slightly elevated at 84%, compared to January's 77%, making for a more humid experience as the seasons transition. For more detailed information, check out the Guaiba weather in September.
When comparing the weather in January and October, notable differences emerge. January typically features higher temperatures, with an average of 26°C (79°F) and maximums reaching up to 39°C (103°F), while October sees cooler temperatures, averaging around 20°C (68°F) with highs up to 37°C (100°F). Additionally, January experiences slightly less precipitation, with 93 mm (3.7 in) over 12 days, whereas October has more rain, totaling 139 mm (5.5 in) over 13 days. Humidity is also higher in October at 85% compared to January's 77%. For more insights into the specific conditions of October, you can check Guaiba weather in October.
In January, temperatures in Guaiba range from a minimum of 15°C (58°F) to a scorching maximum of 39°C (103°F), with an average of 26°C (79°F). The month experiences around 93 mm (3.7 in) of precipitation over approximately 12 days and maintains a humidity level of 77%. In contrast, November sees slightly cooler conditions, with temperatures ranging from 12°C (53°F) to 37°C (99°F) and an average of 22°C (72°F). Precipitation increases to 112 mm (4.4 in) but occurs over only 10 days, resulting in higher humidity at 82%. This shift in weather not only reflects the seasonal transition but also highlights the gradual cooling as summer gives way to the approaching rainy season. For more detailed information, you can visit Guaiba weather in November.
In January, the weather tends to be slightly warmer than in December, with average temperatures reaching 26°C (79°F) compared to December's 24°C (76°F). The maximum temperatures also peak higher in January at 39°C (103°F), just above December's maximum of 38°C (101°F). Precipitation is on the rise in January, with 93 mm (3.7 in) over 12 days, while December experiences less rain, totaling 80 mm (3.2 in) over 8 days. Humidity levels are higher in December at 84%, compared to January's average of 77%. For more details, check out Guaiba weather in December.
In January, Guaiba experiences a vibrant summer climate, setting it apart from other months with its noticeable warmth and humidity. Temperatures often climb to a peak, providing a stark contrast to the cooler season, while the average warmth invites locals and visitors alike to indulge in outdoor activities. Despite occasional rain, with about half of the month seeing precipitation, the overall atmosphere remains lively and sunny. This combination of high temperatures and lush greenery makes January a truly unique time to experience the region. For a deeper understanding of what to expect throughout the year, visit Guaiba Climate.