Last updated: August 21, 2025
Experience the vibrant April weather in Itajaí, Brazil, where temperatures soar to a maximum of 29°C (84°F), creating a warm and inviting atmosphere. With an average temperature of 21°C (71°F) and a cooler minimum of 12°C (55°F), the climate is ideal for both outdoor adventures and cozy indoor retreats. Expect a fair share of precipitation, with 94 mm (3.7 in) spread across approximately 15 days, contributing to the lush greenery of the region. The humidity level hovers around 85%, making the air feel rich and tropical, perfect for enjoying the scenic beauty and cultural experiences Itajaí has to offer.
In April, Itajai experiences a noticeable shift in temperatures as the city transitions into cooler autumn weather. The average temperature dips to 21°C (71°F), with nighttime lows of 12°C (55°F), offering a refreshing respite from the summer heat. Daily highs can reach up to 29°C (84°F), providing ample opportunity for outdoor enjoyment while maintaining a more comfortable warmth compared to the preceding months. As the city steps away from the peak summer heat, April sets a delightful tone for the months ahead, hinting at the cooler and crisper days of May and June. This transitional month not only ushers in a change in temperature but also transforms the landscape, making it a lovely time to explore Itajai's vibrant surroundings.
In Itajai, Brazil, April marks a significant drop in precipitation, with an average of 94 mm (3.7 in)—the lowest since January. This decrease is accompanied by 15 rainy days, showing a shift towards drier conditions as the region transitions into late autumn. Compared to the preceding months, where rainfall reached 197 mm in January and 175 mm in February, April's totals illustrate a clear downward trend. Subsequently, May sees a slight uptick with 121 mm (4.8 in), hinting at an impending return to wetter weather as the year progresses. This pattern reflects a dynamic weather system, where the early months yield substantial rainfall, gradually giving way to drier spells before the cycle begins anew.
In April, humidity in Itajaí, Brazil, averages at a comfortable 85%, closely mirroring the levels of March and maintaining a consistent trend as seen in previous months. This moderate humidity is part of a broader pattern where values hover around the mid-80s from January through May. Notably, the climate begins to gradually shift towards drier conditions as the year progresses, with a drop to 80% by July and peaking again towards the end of the year, reaching 88% in December. This cyclical rhythm creates a distinct seasonal atmosphere, balancing between the lush humidity of the summer months and the drier winter spells.
In April, the UV Index in Itajai, Brazil, reaches 10, positioning it within the very high exposure category. This is a slight decrease compared to the extreme levels seen in the earlier months of January through March, where values soared to 15 and 14. As spring unfolds, residents and visitors can expect a burn time of approximately 15 minutes before the sun's rays become harmful, allowing for a bit more outdoor enjoyment compared to the intense summer months. However, caution is still advised, as the UV Index remains elevated. Observing the trends, it’s clear that the UV levels start to soften as autumn approaches, but they can still pose a risk. For those spending time outdoors, sun protection remains essential. To explore how the UV Index changes throughout the year, visit Itajai UV Index.
UV Risk Categories
In April, Itajai basks in a delightful 279 hours of sunshine, slightly down from March's peak of 299 hours but still robust enough to maintain its vibrant charm. This month continues a pattern of varying sunlight that dances between the heights of 323 hours in December and the more muted 220 hours of June. As the seasons change, April serves as a bridge between the sun-drenched summer months of January and February, which boast 242 and 292 hours respectively, and the cooler, less sunny days of late autumn. Overall, April holds its own in the sunshine tally, promising plenty of warm, bright days to enjoy before the year progresses into the shorter daylight months.
In April, Itajaí enjoys a considerable likelihood of sunny weather, with a 47% chance of sunshine. This marks a slight increase from the previous month, March, where the likelihood drops to 30%. April's weather presents a transition into the drier months ahead, as seen with May's 48% chance. This upward trend hints at the onset of more stable weather patterns, making April a promising time for outdoor activities. As the year progresses into the cooler months, July surprisingly peaks at 55%, but for those seeking early warmth, April is an ideal month to bask in the sun before the shifts in season.
In April, Itajai, Brazil, experiences 11 hours of daylight, marking a noticeable transition as the daylight hours begin to wane. Following the long, sun-drenched days of January and February, which boast up to 13 hours of sunlight, there is a consistent decline as the year progresses. This decrease continues into May, with daylight dipping to 10 hours. Interestingly, from June through July, daylight remains steady at 10 hours, before gradually increasing again in August to 11 hours. The rhythm of daylight duration in Itajai reveals a pattern of shortening days in the first half of the year, followed by a gentle reawakening as spring approaches, illustrating the dynamic and cyclical nature of this coastal city's climate.
In April, Itajai experiences a slight uptick in average wind speed, reaching 2.9 m/s (6 mph), a refreshing change from the calmer conditions of earlier months. Following a gradual decline from January’s breezy 3.1 m/s, the winds dip to 2.4 m/s in March before bouncing back. This revival sets the stage for twin peaks in October, November, and December, each demonstrating a stronger average of 3.3 m/s (7 mph). The spring air in April heralds the transition to a more invigorating pattern, where the winds become more dynamic and invigorate the coastal landscapes, inviting residents and visitors alike to embrace outdoor activities in a season defined by variability and vibrancy.
Weather in Itajai varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Itajai, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January present contrasting weather patterns. In April, temperatures range from a minimum of 12°C (55°F) to a maximum of 29°C (84°F), with an average of 21°C (71°F). The month experiences significant rainfall, totaling 94 mm (3.7 in) over 15 days, and humidity remains high at 85%. In contrast, January is warmer, with temperatures ranging from a minimum of 19°C (66°F) to a sweltering maximum of 34°C (93°F), averaging 25°C (77°F). However, it also sees more precipitation, with 197 mm (7.7 in) over 20 days, and a slightly higher humidity of 86%. For more detailed information, check Itajai weather in January.
April weather is generally milder than February, with temperatures ranging from a minimum of 12°C (55°F) to a maximum of 29°C (84°F), averaging around 21°C (71°F). In contrast, February boasts warmer temperatures, with a minimum of 16°C (61°F) and a maximum of 34°C (93°F), averaging 24°C (76°F). Precipitation is also notably different; April sees about 94 mm (3.7 in) over 15 days, while February experiences significantly higher rainfall at 175 mm (6.9 in) across 19 days. Despite this, both months maintain high humidity levels, with April at 85% and February slightly lower at 83%. For more detailed information, you can check Itajai weather in February.
In comparing the weather of April and March, April experiences slightly lower temperatures, with a minimum of 12°C (55°F) and an average of 21°C (71°F), compared to March's minimum of 18°C (64°F) and average of 24°C (75°F). While April has a maximum temperature of 29°C (84°F), March peaks slightly higher at 31°C (88°F). Precipitation is notably less in April, with 94 mm (3.7 in) over 15 days, as opposed to March's 156 mm (6.1 in) over 22 days. Both months exhibit similar humidity levels of 85%. You can find more specific details about the weather in March at Itajai weather in March.
In comparing the weather between April and May, April tends to be slightly warmer with average temperatures reaching 21°C (71°F) compared to May's 19°C (67°F). Both months experience a maximum temperature of 29°C (84°F), but April has a higher minimum temperature of 12°C (55°F) compared to May's 9°C (49°F). Precipitation is more significant in May, totaling 121 mm (4.8 in) over 14 days, while April sees 94 mm (3.7 in) over 15 days. Humidity is relatively similar, with April at 85% and May slightly higher at 86%. For more detailed insights, you can check Itajai weather in May.
April and June exhibit notable differences in weather patterns. April tends to be warmer, with average temperatures ranging from a minimum of 12°C (55°F) to a maximum of 29°C (84°F), while June is cooler, with an average temperature of 17°C (64°F) and a maximum of 26°C (80°F). Additionally, April experiences higher temperatures overall, but June has more precipitation, totaling 128 mm (5.1 in) over 11 days, compared to April's 94 mm (3.7 in) over 15 days. Both months share the same humidity level of 85%, highlighting a consistently humid environment. For more details on weather specifics, you can check Itajai weather in June.
April and July exhibit notable differences in weather conditions. In April, temperatures are warmer, with a minimum of 12°C (55°F) and an average of 21°C (71°F), peaking at 29°C (84°F). This month also sees more precipitation, with 94 mm (3.7 inches) falling over 15 days and a high humidity level at 85%. In contrast, July experiences cooler temperatures, with a minimum of 4°C (40°F), an average of 16°C (61°F), and a maximum of 27°C (80°F). Rainfall is significantly lower, at 49 mm (1.9 inches) over just 7 days, and humidity drops slightly to 80%. For more specific insights into July weather patterns, you can explore Itajai weather in July.
April weather is generally warmer and more humid compared to August. With average temperatures reaching up to 21°C (71°F) and highs of 29°C (84°F), April typically experiences significant rainfall, with precipitation spread across around 15 days and humidity levels around 85%. In contrast, August is cooler, with average temperatures of 17°C (62°F) and a maximum of 27°C (80°F), while experiencing less rainfall at 71 mm (2.8 in) over about 10 days, leading to a slightly lower humidity level of 79%. For more detailed information, you can check Itajai weather in August.
In comparing the weather of April and September, April typically experiences slightly warmer temperatures, with a minimum of 12°C (55°F) and an average high of 29°C (84°F), while September sees cooler temperatures, with a minimum of 10°C (51°F) and a maximum of 26°C (79°F). Both months have moderate levels of precipitation, with April receiving about 94 mm (3.7 in) over 15 days and September recording 109 mm (4.3 in) over 13 days. Humidity levels are fairly high in both months, with April at 85% and September slightly lower at 82%. For detailed weather conditions specific to September, you can refer to Itajai weather in September.
April and October display notable similarities and differences in weather patterns. In April, temperatures range from a minimum of 12°C (55°F) to a maximum of 29°C (84°F), with an average of 21°C (71°F). The month experiences 94 mm (3.7 in) of precipitation over 15 days, coupled with high humidity at 85%. In contrast, October features slightly warmer temperatures, with a minimum of 13°C (55°F) and a maximum of 30°C (87°F), averaging 20°C (68°F). However, October sees increased rainfall, totaling 149 mm (5.9 in) over 18 days, while humidity remains relatively lower at 82%. For a more detailed look at October weather, visit Itajai weather in October.
April and November in Itajai exhibit somewhat similar temperature ranges, with both months averaging around 21°C (70°F). However, November tends to be slightly warmer, with maximum temperatures reaching up to 30°C (86°F) compared to April's peak of 29°C (84°F). In terms of precipitation, November is wetter, receiving 123 mm (4.8 in) of rain over 19 days, whereas April sees 94 mm (3.7 in) over 15 days. Humidity levels are comparable in both months, hovering around 85-86%. For more specific weather details, you can check Itajai weather in November.
April and December in Itajai showcase a blend of warmth and humidity, yet distinct differences in precipitation levels and temperatures. April experiences a milder climate with average temperatures ranging from 12°C (55°F) at night to 29°C (84°F) during the day, accompanied by 94 mm (3.7 in) of rain over 15 days. In contrast, December boasts slightly warmer conditions with temperatures varying from 14°C (58°F) at night to a maximum of 31°C (88°F) during the day, but with significantly higher rainfall totaling 175 mm (6.9 in) spread across 21 days. Both months feature high humidity levels, with April at 85% and December slightly higher at 88%. For more details, visit Itajai weather in December.
April in Itajaí marks a transitional phase, bringing milder temperatures and increased humidity compared to the hotter summer months. With an average temperature around 21°C (71°F), this month offers a comfortable respite from the heat, ideal for enjoying the outdoors. However, the rise in precipitation, with up to 15 days of rain, adds a refreshing touch to the scenery. As the city prepares to embrace the cooler autumn air, it becomes a captivating blend of lush landscapes and serene weather. For more detailed insights into the local climate, check out Itajai Climate.