Last updated: August 21, 2025
In April, Santos Dumont, Brazil, experiences a vibrant weather pattern characterized by a maximum temperature reaching 31°C (88°F) and an average of 21°C (69°F), offering a comfortable atmosphere for both residents and visitors. The month also sees a minimum temperature of 12°C (53°F), creating a pleasant range for outdoor activities. However, with an average precipitation of 77 mm (3.0 in) spread over 12 days, occasional rain showers contribute to the lush landscape. The humidity levels are relatively high at 86%, enhancing the tropical feel of this beautiful region, making April a unique time to experience the charm of Santos Dumont.
April in Santos Dumont, Brazil, ushers in a refreshing transition, with temperatures gently cooling from the sweltering highs of summer. As the month unfolds, you can expect minimums around 12°C (53°F), perfect for layering, while average temperatures hover near 21°C (69°F), creating a comfortable warmth for outdoor activities. The maximums reach up to 31°C (88°F), offering occasional sunny days ideal for enjoying the vibrant landscapes. This gradual shift not only marks the approach to winter but also enhances the charm of the region, as visitors can relish in the temperate climate while savoring all that Santos Dumont has to offer.
In April, Santos Dumont, Brazil, experiences a notable decline in precipitation, with only 77 mm (3.0 in) of rainfall recorded over 12 days. This marks a significant reduction compared to the preceding months, particularly February, which saw a staggering 274 mm (10.8 in) across 19 days, and March's 216 mm (8.5 in) over 17 days. As the region transitions into the drier months, April's rainfall not only signifies a shift in weather patterns but also sets the stage for the notably lower averages seen in May and June. This trend highlights a gradual departure from the wetter summer season, providing a brief respite before the rain returns in late fall. Overall, April serves as a bridge between the heavy downpours of early months and the upcoming dryness of mid-year, illustrating the dynamic climate of this vibrant Brazilian locale.
In April, Santos Dumont experiences a moderate humidity level of 86%, slightly decreasing from the higher levels of March at 87%. This month reflects a transition in the weather patterns as the rainy season begins to taper off, allowing for a gradual decline toward the more comfortable humidity of May with 82%. The trend of humidity in Santos Dumont showcases a general decrease as the year progresses, particularly noticeable from the peak in the first quarter. Following April’s balance, the summer months typically see elevated humidity levels, which then give way to much drier air from September onward, highlighting a distinct seasonal shift throughout the year.
In April, Santos Dumont, Brazil, experiences a UV Index of 12, classifying it as extreme with a rapid burn time of just 10 minutes. This trend of high UV levels is consistent throughout the earlier months, where January through March saw even higher indices peaking at 17 in January. As the year progresses into May, the UV Index drops to 8, indicating a shift to a very high category but still warranting caution. Overall, the persistent high UV exposure during the first half of the year underscores the need for protective measures—sunscreen and proper clothing are essential to enjoy the beautiful weather safely. For more detailed information, visit the Santos Dumont UV Index.
UV Risk Categories
April in Santos Dumont, Brazil, shines brightly with 276 hours of sunshine, marking a slight dip from the vibrant days of March, which basked in 304 hours. As the year unfolds, sunlight patterns reveal a captivating rhythm: January and February offered a respectable 257 and 255 hours, while warmer months like July and September surge back to 287 hours, showcasing the area's inviting climate. As spring transitions into summer, Santos Dumont maintains a commendable balance of sunshine, ensuring that residents and visitors alike can enjoy the warmth and beauty of this charming locale throughout the year.
As April arrives in Santos Dumont, Brazil, the sun begins to make more frequent appearances, with a notable 47% chance of sunny weather. This marks a significant increase from the preceding months—particularly February, which sees just a 21% chance of sun. The trend indicates a steady rise in sunny days as we progress through the year, peaking in July when the likelihood reaches a remarkable 74%. After April, May holds a solid 41% chance, suggesting that the sunny weather is here to stay as the region transitions into its winter months. The evolving weather patterns highlight April as a promising time for sun-seekers looking to enjoy the outdoors before the cooler temperatures set in.
In Santos Dumont, Brazil, the rhythm of daylight unfolds with a captivating ebb and flow throughout the year. As we transition into April, daylight reaches a peak of 11 hours, signaling a gentle decline from the vibrancy of the previous months—where January basked in 13 hours of sunshine. This gradual reduction continues into May, holding steady at 11 hours, before dipping to 10 hours in the winter months of June and July. However, a resurgence is observed as spring approaches, with daylight rebounding to 11 hours in August and September. The year cycles through a dance of light, where the longest days of December and January provide a stark contrast to the shorter winter months, inviting both locals and visitors to embrace the changing seasons under the warm Brazilian sun.
As April rolls into Santos Dumont, Brazil, the wind begins to pick up, with average speeds reaching 2.0 m/s (5 mph). This marks a slight increase from the calm breezes of the preceding months of January through March, which lingered around 1.8 m/s (4 mph). Interestingly, April acts as a bridge toward the windier months ahead, with May following closely at 1.9 m/s (4 mph) and a notable uptick in gusts observed in August and September, where wind speeds soar to 2.4 m/s (5 mph) and 2.5 m/s (6 mph), respectively. The gentle April winds provide a refreshing transition, hinting at the dynamic weather changes that characterize the South Brazilian autumn, where breezy days become increasingly common as the year progresses.
Weather in Santos Dumont varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Santos Dumont, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of April and January, we see some notable differences. April experiences milder temperatures with a minimum of 12°C (53°F) and an average of 21°C (69°F), while January tends to be warmer, with a minimum of 17°C (63°F) and an average of 23°C (74°F). Additionally, January records higher maximum temperatures, reaching up to 33°C (91°F) compared to April's 31°C (88°F). Precipitation levels also vary significantly; January sees about 164 mm (6.5 in) of rain over 15 days, while April has 77 mm (3.0 in) over 12 days. Humidity is slightly higher in April at 86%, compared to January's 83%. For more specific details on January weather, you can check Santos Dumont weather in January.
April and February exhibit notable differences in weather patterns. In February, temperatures range from a minimum of 16°C (60°F) to a maximum of 34°C (93°F), with a higher average of 22°C (73°F). This month also sees significantly more rainfall, with a total of 274 mm (10.8 in) over 19 days, resulting in a humidity level of 85%. In contrast, April features a broader temperature range, with minimums of 12°C (53°F) and maximums reaching 31°C (88°F), yielding an average temperature of 21°C (69°F). Additionally, April experiences less precipitation at 77 mm (3.0 in) over 12 days, while humidity remains relatively high at 86%. For a deeper look at February's weather trends, check out Santos Dumont weather in February.
In comparing the weather of April and March, April tends to be slightly warmer with average temperatures ranging from a minimum of 12°C (53°F) to a maximum of 31°C (88°F), while March showcases a slightly higher average temperature, peaking at 32°C (90°F) with a minimum of 14°C (57°F). Rainfall is considerably less in April, accumulating to 77 mm over 12 days, compared to the 216 mm of precipitation that March sees over 17 days. Both months exhibit high humidity, with April at 86% and March slightly higher at 87%. For a detailed look at the weather during this time, check out Santos Dumont weather in March.
In comparing the weather between April and May, April boasts slightly warmer temperatures, with an average of 21°C (69°F) and a maximum of up to 31°C (88°F). It also experiences higher humidity at 86% and more precipitation, totaling 77 mm (3.0 in) over 12 days. In contrast, May sees cooler conditions with an average temperature of 18°C (66°F), a maximum of 29°C (84°F), and reduced rainfall of 50 mm (2.0 in) across just 7 days, along with slightly lower humidity at 82%. For more detailed insights, check out Santos Dumont weather in May.
April and June present contrasting weather patterns. In April, temperatures range from a minimum of 12°C (53°F) to a maximum of 31°C (88°F), with an average of 21°C (69°F). This month experiences significant precipitation of 77 mm (3.0 in) over approximately 12 days, coupled with high humidity at 86%. In contrast, June sees cooler temperatures, with a minimum of 9°C (49°F), an average of 18°C (65°F), and a maximum of 29°C (85°F). Precipitation drops considerably to 22 mm (0.9 in) over 5 days, and humidity also decreases slightly to 82%. For a more detailed look at June weather, you can check Santos Dumont weather in June.
April weather features warmer temperatures, with daily averages ranging from a low of 12°C (53°F) to a high of 31°C (88°F), compared to July's cooler temps that typically range from 7°C (44°F) to 28°C (82°F). Additionally, April experiences significantly more precipitation, totaling 77 mm (3.0 in) over approximately 12 rainy days, while July sees a much drier climate with only 15 mm (0.6 in) over just 3 days. The humidity is also higher in April at 86%, compared to July's 77%. For more detailed weather patterns specific to July, you can visit Santos Dumont weather in July.
April and August present quite different weather experiences. In April, temperatures range from a minimum of 12°C (53°F) to a maximum of 31°C (88°F), with an average of 21°C (69°F) and notable humidity at 86%. This month also sees considerable rainfall, with 77 mm (3.0 in) over approximately 12 days. In contrast, August features cooler temperatures, with lows of 6°C (43°F) and highs averaging around 30°C (86°F), and a lower average of 17°C (63°F). Rainfall in August is less frequent, totaling 42 mm (1.7 in) over just 6 days, and humidity is more comfortable at 72%. For a detailed look at August weather, you can check out Santos Dumont weather in August.
April and September exhibit distinct weather characteristics, despite their similar average temperatures. In April, temperatures range from a minimum of 12°C (53°F) to a maximum of 31°C (88°F), accompanied by higher humidity at 86% and significant precipitation of 77 mm (3.0 in) over 12 days. Conversely, September tends to be slightly cooler with temperatures ranging from 10°C (51°F) to 33°C (92°F), yet it experiences lower humidity at 63% and less precipitation, totaling 52 mm (2.1 in) over only 9 days. For a closer look at the weather specifics in September, you can check out Santos Dumont weather in September.
When comparing the weather in April and October, we can see some notable differences. Both months share a minimum temperature of around 12°C (53°F) and an average temperature of approximately 21°C (69°F). However, October generally experiences higher maximum temperatures, reaching up to 34°C (94°F) compared to April's peak of 31°C (88°F). Additionally, October is significantly wetter, with 166 mm (6.5 in) of precipitation over 19 days, compared to April's 77 mm (3.0 in) over 12 days. Interestingly, October also boasts a much lower humidity level at 48%, whereas April's humidity is notably higher at 86%. For a more comprehensive look at the October climate, you can refer to Santos Dumont weather in October.
April and November share similar average temperatures, both hovering around 21°C (69°F), but their weather patterns reveal distinct differences. In April, daily temperatures range from a minimum of 12°C (53°F) to a maximum of 31°C (88°F), accompanied by high humidity at 86% and moderate rainfall totaling 77 mm (3.0 in) over 12 days. In contrast, November experiences slightly cooler minimum temperatures of 11°C (53°F) and slightly higher maximums of 32°C (90°F), but it is significantly wetter, with a staggering 241 mm (9.5 in) of precipitation and rain on 20 days. This leads to a much lower humidity level of 61%, creating a rather different atmospheric feel. For further details on weather specifics, you can visit Santos Dumont weather in November.
In comparing the weather in April and December, we notice a few distinct differences. April typically features a temperature range with a minimum of 12°C (53°F) and a maximum of 31°C (88°F), resulting in an average of 21°C (69°F). In contrast, December experiences slightly warmer temperatures, with a minimum of 13°C (57°F) and a maximum of 33°C (92°F), averaging 22°C (72°F).
Precipitation in April is considerably lower at 77 mm (3.0 in) over approximately 12 days, whereas December sees a substantial increase, with 303 mm (11.9 in) of rainfall spread across 24 days. Interestingly, despite the higher temperatures in December, the humidity is lower at 68%, compared to April's 86%. For a detailed look at the weather specifics in December, you can refer to Santos Dumont weather in December.
April in Santos Dumont brings a noticeable shift in weather, with warmer days that bask in the sun while the evenings cool down comfortably. The humidity remains high, creating a lush, vibrant atmosphere typical of Brazil's transitional seasons. Expect intermittent rain, as this month witnesses more frequent showers compared to the preceding months, making it one of the wetter times of the year. Overall, April showcases a delightful blend of warmth and moisture, perfect for those who appreciate the charm of springtime. For more detailed insights, visit Santos Dumont Climate.