Last updated: August 21, 2025
In April, Rio de Janeiro basks in warm temperatures, with a maximum reaching 34°C (94°F) and a pleasant average of 25°C (76°F). Nights offer a cool respite, dipping to a minimum of 18°C (65°F). However, travelers should prepare for a bit of rain, as the city experiences an average precipitation of 95 mm (3.7 in) over approximately 13 days. With a notable humidity level of 83%, those venturing to this vibrant city will enjoy a blend of tropical warmth and occasional refreshing showers, perfect for exploring Rio's rich culture and stunning landscapes.
In April, Rio de Janeiro experiences a gentle transition into the cooler months, with temperatures that reflect this shift. The month begins with a minimum temperature of 18°C (65°F), which is a slight drop from the warmer March nights. The average temperature settles at a comfortable 25°C (76°F), making outdoor activities pleasant, while the maximum temperature peaks at 34°C (94°F). This trend of decreasing temperatures continues into May, signaling the arrival of autumn. Overall, April offers a delightful blend of warmth and cooling breezes, perfect for enjoying Rio's vibrant landscapes and beach life before the cooler days set in.
In April, Rio de Janeiro experiences a noticeable dip in precipitation, with an average of 95 mm (3.7 in) of rain falling over approximately 13 days. This marks a significant decrease from the wetter months preceding it, particularly March, which sees 163 mm (6.4 in) in the same number of days. As the city transitions into the drier months, such as May, which averages 77 mm (3.1 in) over 10 days, April acts as a threshold, hinting at the gradual reduction in rainfall as winter approaches. This trend reveals a distinctive pattern where the start of the year brings considerable precipitation, while the latter part sees a comfortable decrease, making April an interesting pivot point in Rio's climatic rhythm.
As April arrives in Rio de Janeiro, the humidity begins to show a slight decline, measuring at 83%—a minor drop from the previous months’ averages, which hover in the mid-80s. This gradual decrease hints at the transition into the drier season, where temperatures remain warm but the air feels more comfortable. Following April, humidity continues to reduce, hitting 81% in May and further dropping through the winter months, culminating in the lowest levels of the year at 61% in October. This trend illustrates a refreshing shift in the climate, providing a welcome respite from the muggy summer conditions. As such, April stands as a pivotal month, balancing the lingering humidity of summer with the anticipatory breeze of autumn.
In April, Rio de Janeiro experiences a notable decline in the UV Index, dropping to 10—classified as very high—with a burn time of just 15 minutes. This significant decrease from the extreme levels seen in the earlier months, where the UV Index soared up to 15 in January, suggests that while the sun remains strong, the risk of overexposure is slightly reduced. As the season transitions into cooler months, residents and visitors alike should still remain vigilant, applying sunscreen and seeking shade when necessary. Overall, April marks a shift toward more temperate UV conditions, providing a brief respite from the summer's intensity. For more detailed information, check out the Rio de Janeiro UV Index.
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April in Rio de Janeiro brings a delightful 296 hours of sunshine, contributing to the city's vibrant atmosphere as it transitions from the peak of summer. Following a spectacular March with 309 hours of sun, April maintains a generous amount of daylight, showcasing the city's charm and allowing for plenty of outdoor adventures. This month sits comfortably in the middle of the year’s sunshine spectrum, with consistency in bright days reflected from previous months. As the year progresses, sunlight hours gradually taper off in May and June, yet the lively ambiance of Rio remains ever-present, inviting both locals and tourists to revel in the warmth of its April sunshine.
As April rolls into Rio de Janeiro, the likelihood of sunny weather reaches 54%, marking a delightful transition from the lingering rains of March. This month stands out as the start of a promising trend, where the chances of sunshine become increasingly favorable, peaking in the cooler months of July and August at 59% and 60%, respectively. With April's sunshine probability slightly higher than its neighboring months, it's perfect for outdoor adventures or lounging on the beach. As the year unfolds, April offers a tantalizing glimpse of brighter days ahead, making it an ideal time to soak up the vibrant atmosphere this beautiful city has to offer.
As April arrives in Rio de Janeiro, the city experiences a subtle transition in daylight duration, with sunlight gracing the skies for approximately 11 hours each day. This marks a decline from the 12 hours enjoyed in March and a precursor to the shorter days of May, where daylight shrinks further to 10 hours. The trend highlights the gradual fade of the longer days typical of summer, which peaks around January, boasting a remarkable 13 hours of daylight. As the seasons change, the renewed cycle reveals a comforting rhythm, as daylight gradually begins to lengthen again by August, hinting at the vibrant seasonal shifts that characterize this beautiful coastal city.
As April arrives in Rio de Janeiro, the average wind speed picks up to a refreshing 3.3 m/s (7 mph), marking a noticeable increase from the gentle breezes of previous months. This surge reflects the transition into the autumn season, where the winds begin to strengthen, with the highest speeds often recorded in the following months. The pattern of increasing wind speeds through spring hints at the vibrant energy that fills the city, as locals and visitors alike embrace outdoor activities amid the lively atmosphere. With May following closely with a slight dip to 2.4 m/s (5 mph), it's clear that April serves as a delightful and invigorating precursor to the bolder breezes reshaping Rio's coastal charm.
Weather in Rio de Janeiro varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Rio de Janeiro, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of April and January, we find some notable differences and similarities. In April, the temperatures range from a minimum of 18°C (65°F) to a maximum of 34°C (94°F), with an average of 25°C (76°F). The month experiences approximately 95 mm (3.7 in) of precipitation over 13 days, and the humidity averages around 83%. In contrast, January is slightly warmer, with minimum temperatures of 21°C (69°F) and maximums reaching 35°C (95°F), along with an average temperature of 27°C (81°F). It also sees a higher precipitation level of 112 mm (4.4 in) spread across the same number of rainy days, while humidity is just a touch higher at 85%. For more details on the weather in January, you can visit Rio de Janeiro weather in January.
When comparing the weather in April and February, it's evident that both months experience warm temperatures, but February tends to be slightly warmer overall. In February, the minimum temperature is 21°C (71°F) with an average of 27°C (80°F) and a maximum of 35°C (95°F). In contrast, April's temperatures range from a minimum of 18°C (65°F) to a maximum of 34°C (94°F), making it a bit cooler on average. Precipitation levels are also noteworthy; February sees 146 mm (5.7 in) across 17 days, whereas April receives 95 mm (3.7 in) over 13 days. Humidity remains high in both months, with February at 85% and April slightly lower at 83%. For a more detailed look at February's weather, visit Rio de Janeiro weather in February.
In comparing the weather of April and March, April generally experiences slightly lower temperatures, with an average of 25°C (76°F) compared to March's 26°C (80°F). While April has a minimum temperature of 18°C (65°F), March starts warmer at 20°C (68°F). Interestingly, both months share the same maximum temperature of 34°C (94°F). However, April is characterized by less precipitation, with 95 mm (3.7 in) over 13 days, compared to March's 163 mm (6.4 in) spread over 17 days. Humidity remains relatively high in both months, with April at 83% and March slightly higher at 86%. For a more detailed look at March weather, visit Rio de Janeiro weather in March.
In comparing the weather patterns of April and May, April tends to be warmer overall, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 34°C (94°F), resulting in an average temperature of 25°C (76°F). Additionally, April experiences higher precipitation levels, totaling 95 mm (3.7 in) over 13 days, contributing to a humidity of 83%. In contrast, May sees slightly cooler temperatures, with a minimum of 15°C (60°F), an average of 23°C (73°F), and a maximum of 33°C (91°F). Precipitation decreases to 77 mm (3.1 in) spread over 10 days, with humidity slightly lower at 81%. For a more detailed look at May weather, visit Rio de Janeiro weather in May.
April and June present notable differences in weather patterns. In April, temperatures range from a minimum of 18°C (65°F) to a maximum of 34°C (94°F), with an average of 25°C (76°F). This month also sees higher precipitation, totaling 95 mm (3.7 in) over 13 days, and humidity levels around 83%. In contrast, June experiences slightly cooler temperatures, with a minimum of 16°C (61°F) and a maximum of 32°C (89°F), averaging 22°C (72°F). Additionally, June is drier, receiving only 44 mm (1.7 in) of rainfall over 9 days, and has a slightly lower humidity level of 80%. For more detailed information, you can visit the Rio de Janeiro weather in June.
April and July exhibit significant differences in weather patterns. In April, the temperatures range from a minimum of 18°C (65°F) to a maximum of 34°C (94°F), with an average of 25°C (76°F). This month experiences more rainfall, with 95 mm (3.7 in) of precipitation over 13 days, contributing to high humidity levels at 83%. In contrast, July sees cooler temperatures, with a minimum of 13°C (57°F) and a maximum of 32°C (91°F), averaging 21°C (70°F). Rainfall is substantially lower in July, with just 38 mm (1.5 in) distributed over 7 days, and humidity is also reduced to 76%. For more details, check out Rio de Janeiro weather in July.
April and August in Rio de Janeiro present distinct weather patterns. April boasts warmer temperatures, with a minimum of 18°C (65°F) and an average of 25°C (76°F), reaching up to 34°C (94°F) on hotter days. The month experiences considerable precipitation, with 95 mm (3.7 in) over 13 days and high humidity at 83%. In contrast, August features cooler temperatures, peaking at 33°C (91°F) but with a lower average of 21°C (70°F) and a minimum of 14°C (57°F). Precipitation drops to 75 mm (3.0 in) over 11 days, accompanied by reduced humidity at 73%. For a detailed look at August weather, check out Rio de Janeiro weather in August.
April and September in Rio de Janeiro showcase distinct weather patterns. In April, temperatures range from a minimum of 18°C (65°F) to a maximum of 34°C (94°F), with an average of 25°C (76°F). This month experiences approximately 95 mm (3.7 in) of precipitation over 13 days, accompanied by high humidity at 83%. In contrast, September offers slightly cooler temperatures, with a minimum of 16°C (60°F) and a maximum of 35°C (96°F), averaging around 23°C (74°F). The month sees less rain, totaling about 55 mm (2.2 in) over 8 days, and a drop in humidity to 68%. For more detailed insights on September weather, visit Rio de Janeiro weather in September.
April and October in Rio de Janeiro present distinct weather patterns, each offering a unique experience. In April, temperatures range from a minimum of 18°C (65°F) to a maximum of 34°C (94°F), with an average of 25°C (76°F). The month sees about 95 mm (3.7 in) of rainfall over approximately 13 days, accompanied by higher humidity levels at 83%. In contrast, October boasts slightly cooler temperatures, with a minimum of 17°C (63°F) and a maximum of 37°C (99°F), averaging 24°C (75°F). Rainfall is similar to April, totaling 98 mm (3.8 in) across 15 days, but the humidity drops to a more comfortable 61%. For more detailed information on October weather, check Rio de Janeiro weather in October.
In comparing the weather of April and November, both months showcase warm temperatures in Rio de Janeiro, with April having an average of 25°C (76°F) and November slightly cooler at 24°C (75°F). While April experiences a peak temperature of 34°C (94°F), November matches it with a maximum of 35°C (94°F). Precipitation is higher in November, with 135 mm (5.3 in) over 17 days, compared to April's 95 mm (3.7 in) over 13 days. Additionally, humidity levels are notably higher in April at 83%, while November's humidity drops to 72%, making it feel a bit more comfortable. For more detailed information, you can check Rio de Janeiro weather in November.
When comparing the weather in April and December, both months exhibit similar temperature ranges, with minimums at 18°C (65°F), average temperatures around 25°C (76°F in April and 78°F in December), and maximums reaching 34°C (94°F in April and 93°F in December). However, December is slightly wetter, receiving 143 mm (5.6 in) of precipitation over 17 days, compared to April's 95 mm (3.7 in) over 13 days. Additionally, the humidity in December is lower at 75%, compared to April's higher humidity level of 83%, which may make December feel more comfortable despite the increased rainfall. For more details, you can check out Rio de Janeiro weather in December.
As April rolls into Rio de Janeiro, the city experiences a delightful transition marked by warm temperatures and a noticeable uptick in humidity. While the days may still bask in the sun, with highs around 34°C, the evenings provide a refreshing contrast alongside an average of 25°C. Unlike the preceding months, April brings more rainfall, with precipitation occurring on about half the month’s days, making it one of the wetter periods. This blend of warmth and increased humidity creates a lush, vibrant atmosphere, perfect for enjoying Rio's natural beauty. For a deeper dive into the climate patterns of this captivating city, visit Rio de Janeiro Climate.