Last updated: August 21, 2025
In Oeiras, Brazil, April brings a tapestry of warm temperatures and occasional rainfall. The maximum temperature can reach a sizzling 35°C (95°F), while the average hovers around a comfortable 27°C (82°F), dropping to a refreshing minimum of 21°C (71°F) at night. This month typically experiences 86 mm (3.4 in) of precipitation spread across approximately 14 days, resulting in a humid atmosphere with levels soaring to 92%. Embrace the blend of warmth and moisture that characterizes April in Oeiras, making it a unique experience for residents and visitors alike.
In April, Oeiras, Brazil, experiences a delightful warmth, with temperatures that continue to reflect the region's tropical climate. The minimum temperature hovers around 21°C (71°F), ensuring pleasant evenings, while daytime highs can reach up to 35°C (95°F), making the average temperature a comfortable 27°C (82°F). This month marks a transition, as the mercury remains stable compared to March, with similar minimum and average figures, although there is a noticeable decline in maximum temperatures. As Oeiras heads into the warmer months, this steady climate sets the perfect backdrop for outdoor adventures and exploration, showcasing the beauty of the Brazilian landscape under the sun.
In April, Oeiras experiences a moderate precipitation level of 86 mm (3.4 in), with rainfall typically occurring over 14 days. This slight decrease follows a notably rainy February, which recorded a hefty 217 mm (8.5 in), and March, with 159 mm (6.3 in). The April showers mark a transitional phase as the region prepares for the upcoming dry spell, with precipitation dramatically tapering off to just 13 mm (0.5 in) in May and dwindling to negligible amounts through the following months. This trend highlights the distinct seasonal variations in Oeiras, where the lush, wet surroundings of early year gradually give way to a prolonged dry season, shaping the local climate and ecosystem.
In April, Oeiras, Brazil, experiences a notable yet slight dip in humidity, with levels at 92%—just a touch below the preceding months of January through March, which showcase a trend of increasing moisture with averages hovering near 90% or higher. This gradual decrease in humidity marks the transition towards the dryer months ahead, as May further reduces the humidity to 87% and sets the stage for a significant drop during the summer, where levels can plummet as low as 45% by October. Overall, April serves as a pivotal moment in Oeiras’s climatic narrative, balancing the lingering wetness of early year with the approaching drier conditions of mid-year.
In April, Oeiras, Brazil, continues to experience an extreme UV Index of 14, maintaining the intense sun exposure prevalent from the start of the year. This consistent level, alongside a brisk burn time of just 10 minutes, highlights the importance of sun protection during this month. As part of a broader trend, both January and February kicked off the year with the same sky-high index, while March peaked at 15 before the steady drop in UV levels seen in late spring and summer. However, Oeiras remains a sun-drenched locale, as evidenced by the high UV readings persisting throughout most of the year. For more details on the UV conditions in Oeiras, visit Oeiras UV Index.
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April in Oeiras, Brazil, shines brightly with 308 hours of sunshine, marking a delightful continuation of the region's sun-soaked spring. As we transition from March, which boasts 303 hours, April's radiant days set the stage for an upward trend that peaks in the coming months. May leads the way with 327 hours, and the summer months further amplify this brilliance, reaching an impressive 348 hours in August and escalating to 354 hours by October. This gradual rise in sunlight hours not only enhances the vibrant local flora and fauna but also invites residents and visitors alike to indulge in the outdoor lifestyle that Oeiras so richly offers. It’s clear that with each passing month, the sun's embrace intensifies, promising warmth and energy throughout this dynamic coastal paradise.
In Oeiras, Brazil, April presents a promising shift in weather with a 31% chance of sunny days, reflecting a slight dip from March's 34% but still indicating a favorable spring ambiance. This month serves as a transition towards the sunnier months ahead, as the probability of sunshine steadily increases into May and June, reaching a striking 71% and 77%, respectively. As the seasons progress, April's moderate sun variability hints at the vibrant outdoor activities that await as locals and visitors alike prepare for the glistening days of summer, making it an exciting time to explore the beauty of this coastal paradise.
In Oeiras, Brazil, the rhythm of daylight duration exhibits a clear seasonal pattern throughout the year. As summer transitions into April, residents experience a slight decrease in daylight to 11 hours, marking the beginning of a gradual shift towards longer evenings. This trend continues into the cooler months of May and June, where daylight remains consistent at 11 hours. Interestingly, as winter fades away, the daylight returns to 12 hours starting in September and remains stable through December, highlighting a cyclical return to longer days. This natural ebb and flow of daylight not only shapes the daily routines of Oeiras' inhabitants but also enhances the vibrant outdoor lifestyle that characterizes this lively region.
April in Oeiras, Brazil, heralds a shift in the winds, with average speeds reaching 2.1 m/s (5 mph)—a noticeable increase from the preceding months. As the warmth of summer approaches, this uptick in wind speed not only marks the transition into a breezier season but also sets the stage for even stronger gusts in the coming months. Historically, wind speeds continue to rise, peaking in August at 4.6 m/s (10 mph) before gradually tapering off into the cooler months. This trend suggests that while April enjoys a refreshingly mild breeze, it foreshadows the lively winds that define Oeiras' vibrant summer climate, making it an ideal time for outdoor enthusiasts to bask in the invigorating air.
Weather in Oeiras varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Oeiras, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of April and January, we find both months characterized by high temperatures and humidity. April offers a slightly cooler average temperature, ranging from a minimum of 21°C (71°F) to a maximum of 35°C (95°F), while January features a minimum of 22°C (71°F) and peaks at a scorching 39°C (103°F). Precipitation levels are comparable, with April receiving 86 mm (3.4 in) and January a bit less at 82 mm (3.2 in), both occurring over 14 days. Additionally, April has a marginally higher humidity level at 92%, compared to January's 90%. For more detailed insights, visit Oeiras weather in January.
When comparing the weather in April and February, we can observe some notable differences. February tends to be slightly warmer, with minimum temperatures averaging 22°C (72°F) and maximums reaching up to 37°C (98°F). In contrast, April's minimum temperature is a bit cooler at 21°C (71°F), although its average remains the same at 27°C (81°F). Precipitation levels also vary significantly, with February experiencing a much higher total of 217 mm (8.5 in) over 21 days, compared to April's 86 mm (3.4 in) across 14 days. Furthermore, both months exhibit high humidity, with April at 92% and February slightly lower at 91%. For more details on February weather specifically, you can check Oeiras weather in February.
In comparing the weather of April and March, both months experience similar temperature ranges, with minimums around 21°C (70-21°C or 71°F), averages of 27°C (81-82°F), and maximums reaching up to 35°C (94-95°F). However, April experiences significantly less precipitation, with total rainfall of 86 mm (3.4 in) over 14 days, compared to March's 159 mm (6.3 in) over 22 days. Additionally, while humidity remains high in both months, April is slightly lower at 92% compared to March's 93%. For more detailed insights into the weather conditions in March, you can visit Oeiras weather in March.
April and May exhibit notable differences in weather patterns. In April, temperatures range from a minimum of 21°C (71°F) to a maximum of 35°C (95°F), with an average of 27°C (82°F). This month also sees a higher precipitation level at 86 mm (3.4 in) spread over 14 days, resulting in high humidity at 92%. In contrast, May experiences slightly warmer temperatures, with an average of 29°C (84°F) and a maximum reaching up to 37°C (98°F). The rainfall in May diminishes significantly to just 13 mm (0.5 in) over 3 days, contributing to a lower humidity level of 87%. For more detailed information, you can check Oeiras weather in May.
In comparing the weather of April and June, we find that April tends to be warmer with average temperatures ranging from a minimum of 21°C (71°F) to a maximum of 35°C (95°F). It also experiences significantly higher precipitation, averaging 86 mm (3.4 in) with rain occurring on 14 days, which contributes to a high humidity level of 92%. In contrast, June offers a slightly cooler average temperature of 29°C (84°F), with maximums reaching up to 37°C (98°F). Notably, June is much drier, with only 3 mm (0.1 in) of precipitation and no rainy days, resulting in lower humidity at 77%. For a detailed overview of June’s climate, you can check Oeiras weather in June.
April and July present stark contrasts in weather conditions. In April, temperatures range from a mild 21°C (71°F) at night to a hot 35°C (95°F) during the day, accompanied by a significant average precipitation of 86 mm (3.4 in) over 14 days, resulting in a high humidity level of 92%. In contrast, July sees a slight increase in average temperature, reaching 29°C (84°F), with highs peaking at 38°C (101°F) and an impressive absence of rainfall, resulting in low humidity levels at 66%. For more details on July's weather, you can visit Oeiras weather in July.
April and August present distinct weather patterns, reflecting the transition between different seasons. In April, temperatures range from a minimum of 21°C (71°F) to a maximum of 35°C (95°F), with an average of 27°C (82°F). The month is characterized by significant rainfall, accumulating to 86 mm (3.4 in) over 14 days, accompanied by high humidity at 92%. In contrast, August boasts warmer average temperatures, peaking at 38°C (101°F) and offering a milder minimum of 20°C (68°F), with an average of 30°C (86°F). Remarkably, August features no rainfall, resulting in dry conditions and lower humidity at 58%. For more insights into August weather, visit Oeiras weather in August.
In comparing the weather patterns of April and September, notable differences emerge. April typically experiences a range of temperatures from a minimum of 21°C (71°F) to a maximum of 35°C (95°F), paired with significant precipitation of 86 mm (3.4 in) over 14 days and high humidity levels at 92%. In contrast, September boasts a hotter average temperature, reaching up to 40°C (104°F) with a striking minimum of 21°C (71°F) and virtually no precipitation, as it records 0 mm (0.0 in) over 0 days, along with much lower humidity at 51%. This stark contrast highlights the transition from a wet and humid April to a dry and increasingly hot September. For more details on September weather specifically, visit Oeiras weather in September.
April and October present contrasting weather patterns. In April, temperatures range from a minimum of 21°C (71°F) to a maximum of 35°C (95°F), with an average of 27°C (82°F). The month is characterized by high humidity at 92% and significant precipitation, totaling 86 mm (3.4 in) over 14 days. In stark contrast, October sees warmer temperatures, with a minimum of 23°C (74°F) and a maximum reaching 40°C (104°F), averaging at 32°C (90°F). This month experiences much lower humidity at 45% and minimal rainfall of just 20 mm (0.8 in) over only 2 days. For more insights on October weather, you can check Oeiras weather in October.
April and November showcase distinctly different weather patterns. In April, temperatures range from a minimum of 21°C (71°F) to a maximum of 35°C (95°F), with an average temperature of 27°C (82°F). This month is characterized by high humidity at 92% and relatively frequent rainfall, totaling 86 mm (3.4 in) over approximately 14 days. In contrast, November features slightly warmer temperatures, with a minimum of 22°C (72°F) and a maximum reaching 39°C (103°F), while averaging 30°C (86°F). It has significantly lower humidity at 41% and less precipitation, with only 51 mm (2.0 in) over 6 days. For more details on November's weather, you can visit Oeiras weather in November.
In comparing the weather between April and December, we can see some intriguing differences. April features a slightly lower average temperature of 27°C (82°F), with a minimum of 21°C (71°F) and a maximum of 35°C (95°F). It also experiences higher humidity at 92% and more frequent rainfall, with 86 mm (3.4 in) of precipitation over 14 days. In contrast, December has a warmer average temperature of 29°C (84°F), peaking at 39°C (102°F) with a minimum of 22°C (72°F). While it enjoys lower humidity at 67%, rainfall is less frequent, totaling 81 mm (3.2 in) over just 10 days. For more specific details on December weather, you can explore Oeiras weather in December.
April in Oeiras ushers in a distinct shift in weather, showcasing a blend of warmth and moisture that sets it apart from the previous months. With average temperatures hovering around a comfortable 27°C, this month transitions into warmer days compared to the earlier seasonal chill. However, the increased humidity, peaking at 92%, along with frequent rainfall, which occurs on about half the days of the month, adds an element of tropical richness to the atmosphere. While the heat can be intense, it’s this combination of warmth and wetness that marks April as a vibrant time, perfect for enjoying the lush landscapes of Oeiras. For a deeper exploration of the region's weather patterns, check out Oeiras Climate.