Last updated: August 21, 2025
January in Curitiba, Brazil offers a warm climate, with maximum temperatures reaching 33°C (91°F) and an enjoyable average of 21°C (70°F). The month, however, also brings significant rainfall, totaling 167 mm (6.6 in) over 21 days, resulting in a high humidity level of 89%. This combination of warmth and moisture creates a lush environment, ideal for exploring the city's vibrant parks and gardens, though visitors should be prepared for occasional downpours.
In January, Curitiba, Brazil, experiences a warm and dynamic climate, with temperatures ranging from a comfortable 13°C (56°F) at night to a sizzling 33°C (91°F) at its hottest. The average temperature hovers around 21°C (70°F), setting the stage for a vibrant summer atmosphere. As the month unfolds, the mercurial nature of the city's temperatures hints at a gradual cooling trend in February, where both the minimum and maximum values dip slightly. This pattern continues in the subsequent months, demonstrating a clear transition into cooler autumn temperatures, peaking in July when lows can plunge to a brisk -3°C (27°F). Thus, the thermal narrative of January in Curitiba not only celebrates warmth but also foreshadows a diverse climatic journey through the upcoming months.
January in Curitiba, Brazil, is marked by a notable precipitation peak, with an average of 167 mm (6.6 in) falling over 21 days. This robust rainfall sets the tone for the wet season, as it’s the month with the highest precipitation, significantly overshadowing the drier months of July and August, which see only 33 mm (1.3 in) and 78 mm (3.1 in), respectively. Following January, February still retains considerable rainfall at 137 mm (5.4 in) but experiences slightly fewer rainy days. The trend of declining precipitation continues into the following months, with March at 118 mm (4.7 in) and a significant reduction by April, where rain significantly drops to 67 mm (2.6 in). This pattern reflects a shift from the moisture-laden start of the year toward a milder, wetter climate as spring approaches, creating a lush environment that characterizes Curitiba’s vibrant landscape.
In January, Curitiba experiences its peak humidity at a substantial 89%, setting the tone for a month often characterized by heavy tropical rains. This elevated level is slightly reduced in February to 86%, but the air remains thick and moist. As the months progress into March and April, humidity dips marginally to 87% and 85% respectively, indicating a gradual shift towards drier conditions. This trend continues into May and June, where humidity levels settle at 84% and 83%. By mid-year, July sees a more notable decrease to 78%, before stabilizing at around 73% from August through September. As October unfolds, humidity drops further to 71%, marking the driest point of the year. However, the trend shifts again as November rises to 83%, and December returns to a humid 87%, completing a cycle where the city experiences its most humid periods towards the summer months while enjoying drier spells in the winter.
In January, Curitiba experiences an extreme UV Index of 15, indicating a high risk of harm from unprotected sun exposure, with a burn time as short as 10 minutes. This intense level of UV radiation continues throughout February and peaks again in November and December, consistently challenging residents and visitors to take proper sun safety measures. Although March and April show slightly decreased values of 13 and 11, the UV index remains in the extreme category, necessitating caution. A notable drop occurs in May, with a UV index of 8, categorized as very high, allowing for a slightly longer burn time of 15 minutes. As winter sets in June and July, the index stabilizes at 6, which, while considered high, provides a reprieve from the more dangerous summer months. The cycle of extreme UV levels resumes in late winter and early spring, reminding us that throughout the year, sun protection is crucial in Curitiba. For detailed insights, check out Curitiba UV Index.
UV Risk Categories
In January, Curitiba basks in 229 hours of sunshine, marking the beginning of the year with a moderate yet inviting glow. As the summer progresses, February shines brighter with 272 hours, inviting outdoor adventures and gatherings. March continues this trend, peaking at 283 hours before the days begin to shorten in April, which still enjoys a commendable 260 hours. The sun gradually dims through May and June, where hours drop to 239 and 211, respectively, ushering in cooler weather. However, July rebounds with 267 hours, showcasing the city's resilience in the face of winter. As spring approaches, August and September present a balanced 241 and 247 hours, hinting at a gradual return of warmth. October’s 222 hours signal the transition towards brighter days, culminating in a stunning array of sunshine in November at 281 hours and a dazzling 300 hours in December, wrapping up the year on a high note. This sunshine pattern not only reflects the city’s vibrant climate but also paints a compelling picture of how each month unfolds in a dance of light, warmth, and seasonal change.
In Curitiba, Brazil, the likelihood of experiencing sunny weather is notably low in January, with a mere 10% chance of sunshine. This trend marks the start of the year on a rather overcast note, contrasting sharply with the brighter days ahead. As the months progress, the chances of sunshine gradually increase, peaking at 48% in July. February and May also offer more favorable odds with 33% and 37% chances respectively. Interestingly, while January stands out for its limited sunshine, the overall pattern reveals a seasonal transition that hints at brighter days awaiting those who venture into the Brazilian winter and spring months.
In Curitiba, Brazil, January shines as the month with the most generous 13 hours of daylight, setting a vibrant tone for the summer. As the year progresses into February and March, daylight remains steady at 12 hours, allowing for extended evenings. However, a gradual decline begins in April, with sunlight tapering to 11 hours. This trend continues throughout the winter months of May, June, and July, when daylight is consistently 10 hours, creating a cozy atmosphere. As spring approaches in August and September, daylight begins to rebound, climbing back to 11 hours before settling at 12 hours in October. November and December bring a return to brighter days, each offering another 13 hours of sunlight as the year concludes, creating a beautiful cycle of light that punctuates life in this dynamic city.
January brings a gentle breeze to Curitiba, with an average wind speed of 3.2 m/s (7 mph), setting the tone for the summer months. This is noticeably higher than the subsequent months, which see a gradual decline in wind speed, dropping to 2.7 m/s (6 mph) in both February and April. Interestingly, as the year progresses into autumn, wind speeds hover consistently around 2.7 m/s, before slightly picking up again in October with 3.3 m/s. The pattern shows that while January marks the peak for wind in the early part of the year, the overall trend shifts towards calmer conditions as summer transitions to autumn. The gentle but persistent winds of Curitiba create a distinctive atmosphere, encapsulating the city's vibrant, yet tranquil essence throughout January.
Weather in Curitiba varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Curitiba, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, the weather is characterized by slightly warmer temperatures, with daily highs reaching up to 33°C (91°F) and an average of 21°C (70°F). The month experiences considerable rainfall, totaling 167 mm (6.6 inches) across 21 days, and humidity levels remain high at 89%. In contrast, February sees a slight dip in temperature, with maximums of 32°C (90°F) and a minimum of 11°C (51°F), while maintaining a similar average temperature of 21°C (69°F). Precipitation decreases to 137 mm (5.4 inches) over 19 days, and humidity slightly drops to 86%. For more detailed insights, you can explore Curitiba weather in February.
In January, temperatures in Curitiba range from a minimum of 13°C (56°F) to a maximum of 33°C (91°F), with an average of 21°C (70°F). This month also sees significant rainfall, with 167 mm (6.6 in) of precipitation over 21 days, contributing to a high humidity level of 89%.
In contrast, March experiences slightly cooler temperatures, with a minimum of 12°C (54°F) and a maximum of 31°C (87°F), along with an average temperature of 20°C (69°F). The precipitation decreases to 118 mm (4.7 in) over 22 days, while humidity remains relatively stable at 87%.
For more detailed information, you can check Curitiba weather in March.
January typically experiences warmer temperatures compared to April, with average highs reaching 33°C (91°F) and lows around 13°C (56°F). In contrast, April sees milder temperatures, with maximums of 28°C (83°F) and minimums dropping to 6°C (42°F). Additionally, January is much wetter, accumulating 167 mm (6.6 in) of precipitation over 21 days, while April has significantly less rain, totaling 67 mm (2.6 in) over just 11 days. Humidity levels are slightly higher in January at 89%, compared to April's 85%. For more detailed information, you can visit Curitiba weather in April.
January in Curitiba is characterized by warm temperatures, ranging from a minimum of 13°C (56°F) to a maximum of 33°C (91°F), with an average of 21°C (70°F). The month experiences significant rainfall, with 167 mm (6.6 in) of precipitation spread over 21 days and high humidity at 89%. In contrast, May offers much cooler conditions, with temperatures dropping to a minimum of 2°C (36°F) and a maximum of 28°C (82°F), averaging at 16°C (60°F). The precipitation in May is also lower, totaling 89 mm (3.5 in) over just 10 days, and the humidity is slightly reduced at 84%. For more detailed information on the weather in May, visit Curitiba weather in May.
In January, the weather is significantly warmer, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 33°C (91°F), and an average temperature of 21°C (70°F). This month experiences high humidity at 89% and substantial rainfall, with 167 mm (6.6 inches) occurring over 21 days. In contrast, June features much cooler conditions, where temperatures range from a chilly 1°C (34°F) to a maximum of 26°C (78°F), with an average of 15°C (59°F). The precipitation in June is lower at 99 mm (3.9 inches) across 10 days, and humidity slightly decreases to 83%. For more details on the weather in June, check out Curitiba weather in June.
In January, the weather in Curitiba features a warm range of temperatures, with a minimum of 13°C (56°F) and highs reaching up to 33°C (91°F). This month experiences significant rainfall, with 167 mm (6.6 in) spread over 21 days, leading to high humidity levels at 89%. In stark contrast, July presents a much cooler climate, with temperatures dipping to a minimum of -3°C (27°F) and an average of only 14°C (57°F), peaking at 26°C (79°F). The city sees considerably less precipitation in July, totaling just 33 mm (1.3 in) over 5 days, and the humidity drops to 78%. For more detailed insights on the July climate, you can visit Curitiba weather in July.
In comparing the weather between January and August, January boasts significantly higher temperatures, with averages reaching up to 21°C (70°F) and highs soaring to 33°C (91°F). This month is also characterized by high humidity at 89% and considerable rainfall, totaling 167 mm (6.6 in) over 21 days. In contrast, August presents a much cooler climate, with average temperatures around 14°C (58°F) and maximums of 29°C (85°F). The precipitation drops substantially to 78 mm (3.1 in) over just 7 days, and humidity levels decrease to 73%. For a detailed look at what to expect in August, check out Curitiba weather in August.
January and September present contrasting weather patterns. In January, temperatures range from a mild 13°C (56°F) at night to a scorching 33°C (91°F) during the day, with an average of 21°C (70°F). The month is quite humid, with an average humidity of 89% and significant precipitation, totaling 167 mm (6.6 in) over 21 days. In contrast, September experiences cooler temperatures, with a minimum of 6°C (42°F) and a maximum of 31°C (88°F), averaging 17°C (63°F). The rainfall is significantly less, totaling 81 mm (3.2 in) over just 8 days, and the humidity drops to 73%. For more details on September weather, you can check out Curitiba weather in September.
January and October in Curitiba present distinct weather characteristics that reflect the transition from summer to autumn. January is considerably warmer, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 33°C (91°F) and an average of 21°C (70°F). In contrast, October shows cooler temperatures, featuring a minimum of 8°C (46°F) and an average of 18°C (64°F), while still reaching a maximum of 33°C (92°F) on warmer days. Both months experience significant precipitation, with January receiving 167 mm (6.6 in) over 21 days, compared to October’s slightly lower 153 mm (6.0 in) across 16 days. Additionally, January’s humidity of 89% creates a more tropical feel, whereas October is characterized by a drier climate with 71% humidity. For more detailed information, you can check Curitiba weather in October.
In January, temperatures in Curitiba reach a minimum of 13°C (56°F) and can soar to a maximum of 33°C (91°F), with an average of 21°C (70°F). The month experiences significant precipitation, totaling 167 mm (6.6 in) across 21 days, accompanied by high humidity levels of 89%. In contrast, November enjoys slightly cooler weather, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 31°C (88°F) and an average of 18°C (65°F). This month sees less rainfall—107 mm (4.2 in)—over 17 days, along with a slightly lower humidity of 83%. For more insights into the weather during this time, check out Curitiba weather in November.
In comparing the weather between January and December, January exhibits slightly warmer temperatures, with an average of 21°C (70°F) and a maximum of 33°C (91°F), compared to December's average of 20°C (68°F) and a maximum of 31°C (89°F). Additionally, January experiences a bit more precipitation, totaling 167 mm (6.6 in) over 21 days, while December has 158 mm (6.2 in) over the same number of days. Humidity levels are also similar, with January being marginally higher at 89% compared to December's 87%. For more detailed information, you can check Curitiba weather in December.
In January, Curitiba experiences a vibrant blend of warmth and humidity, setting it apart from the cooler and drier months of the year. With high temperatures often peaking around 33°C (91°F), residents and visitors can expect a lively atmosphere filled with outdoor activities, despite the frequent rain showers that characterize the month. The air is thick with humidity, hovering around 89%, which can make the warm days feel even more intense. Overall, January is marked by a dynamic climate that combines heat with substantial precipitation, providing a unique experience for those exploring this charming Brazilian city. For a deeper understanding of how January fits into the broader climate picture, visit Curitiba Climate.