Last updated: February 24, 2025
Experience the charm of Sintra in April, where temperatures gracefully range from a mild 10°C (50°F) at night to a pleasant 21°C (71°F) during the day. The average temperature settles at a comfortable 14°C (58°F), ideal for exploring the region's stunning landscapes and historic sites. While visitors can anticipate approximately 71 mm (2.8 in) of precipitation over about 11 days, the 70% humidity adds a touch of lushness to the surroundings. Embrace the mild climate and vibrant atmosphere that make April a delightful time to visit Sintra!
April in Sintra, Portugal, heralds the arrival of spring with a delightful warming trend. The minimum temperature rises to 10°C (50°F), offering a gentle embrace compared to the chill of earlier months, while the average temperature hovers around 14°C (58°F). As the days grow longer, the maximum temperature reaches a pleasant 21°C (71°F), making it an ideal time for outdoor explorations. This month marks a significant shift; you'll notice the landscape brimming with blossoms and vibrant greenery, hinting at the picturesque beauty that Sintra is famed for. Perfect for wandering through its enchanting palaces and lush parks, April invites visitors to bask in its mild, cheerful climate.
April marks a notable transition in Sintra, Portugal, as the region experiences increased precipitation, amassing 71 mm (2.8 in) over 11 days—the highest for this month in the annual cycle. This uptick in rainfall follows the gradual rise from January through March, indicating a pattern where spring ushers in more frequent showers, priming the lush landscapes for the warmer months. While May sees a significant drop to 33 mm (1.3 in) and just 3 days of rain, April serves as a pivotal point, setting the stage for the vibrant greenery that Sintra is renowned for. The consistent wet days hint at a refreshing rejuvenation of the local ecosystems, making it a beautiful time to witness nature’s awakening.
In April, Sintra, Portugal experiences a humidity level of 70%, marking a slight decrease from the wetter months of winter. This dip in humidity sets the stage for a refreshing spring, as the weather transitions from the damp chill of January (85%) and February (75%) to the more temperate conditions of May (70%). The trend reveals a gradual reduction in humidity from the early months of the year, reflecting the area's shift towards a drier summer, with levels further dropping to 63% in June. This pattern not only enhances the beauty of Sintra's lush landscapes during spring but also invites visitors to enjoy its picturesque views without the heaviness of the preceding months.
In April, Sintra, Portugal experiences a significant rise in the UV Index, climbing to an impressive 9, which falls into the very high exposure category. This marks a notable shift from the previous months, with the burn time decreasing to just 15 minutes, emphasizing the need for sun protection. As the spring blossoms, residents and visitors alike should be more vigilant about UV exposure, as April's levels suggest a trend towards increased sun intensity leading into the summer months. Following April, the UV Index peaks at 10 in May and 11 in June, highlighting the growing strength of the sun. To learn more about UV levels throughout the year, visit Sintra UV Index.
UV Risk Categories
April in Sintra, Portugal, is a delightful embrace of sunshine and warmth, boasting an impressive 351 hours of bright skies. This month marks a vibrant peak in the transition from the cool, crisp days of early spring, showing a significant increase from 307 hours in March. As the landscape awakens in a splash of colors, visitors can revel in the sunny ambiance that continues to build momentum, leading into May's even sunnier 405 hours. The upward trend in daylight throughout the months not only enhances the natural beauty of Sintra but also invites an array of outdoor adventures, urging travelers to explore its historic charm bathed in golden light.
April in Sintra, Portugal, brings a 41% chance of sunny weather, indicating a mild transition from the cooler months. While this percentage shows an improvement compared to February's 24% and remains consistent with January's 45%, it falls short of the brighter days ahead in May, which boasts a 57% chance of sunshine. Interestingly, from March's 60% to the peak summer months, there's a clear upward trend, with sunny probabilities steadily increasing throughout the spring and summer. Thus, while April may not guarantee beach-perfect days, it's a promising precursor to the sunnier skies that lie just ahead.
As spring unfolds, April in Sintra, Portugal, heralds a delightful increase in daylight duration, with the sun gracing the skies for approximately 13 hours each day. This marks a significant leap from the 11 hours typical of March, reflecting the energizing shift towards warmer months. The progression continues into May, pushing daily sunlight to 14 hours, before stabilizing through the summer. This trend is emblematic of Sintra’s seasonal rhythm, inviting residents and visitors alike to bask in the extended daylight, which fosters a vibrant atmosphere perfect for outdoor exploration and leisure activities. With each passing month, the gradual lengthening of daylight not only brightens the landscape but also enhances the enchanting allure of this picturesque locale.
As April arrives in Sintra, Portugal, the winds mellow noticeably, showcasing an average speed of 4.9 m/s (11 mph)—the lightest of the year. This gentle breeze offers a refreshing contrast to the stronger gusts that characterize the earlier months. Following a gradual decline from 6.0 m/s (13 mph) in March, April's winds set the stage for a serene spring atmosphere, often accompanied by blooming flowers and lush greenery. Interestingly, as the season progresses into May, the wind picks up again, reaching 7.3 m/s (16 mph), highlighting a seasonal trend where a gentle April transitions into a breezier summer. This rhythmic ebb and flow of wind speeds not only reflects nature's temperate embrace but also enhances the enchanting allure of Sintra's picturesque landscape.
The weather in Sintra changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of April's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Sintra and find detailed weather information for every month.
April generally experiences milder weather compared to January, with minimum temperatures rising to around 10°C (50°F) and maximums reaching 21°C (71°F). In contrast, January sees slightly cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 18°C (64°F). While April is wetter with 71 mm (2.8 in) of precipitation over 11 days, January has less rainfall at 42 mm (1.7 in) across only 7 days. Additionally, humidity levels are higher in January at 85%, compared to 70% in April. For more details on January weather, check Sintra weather in January.
In comparing the weather of April and February, April generally experiences slightly warmer temperatures, with minimums around 10°C (50°F) and maximums reaching up to 21°C (71°F), while February's temperatures range from a minimum of 9°C (48°F) to a maximum of 17°C (63°F). Precipitation is more frequent in April, occurring on an average of 11 days with a total of 71 mm (2.8 in), compared to February’s 8 days of precipitation and 59 mm (2.3 in). Humidity levels are marginally lower in April at 70%, compared to 75% in February. For more detailed insights about February's climate, you can check Sintra weather in February.
In comparing the weather of April to March, we see that both months experience relatively mild temperatures, with April having a minimum of 10°C (50°F) and a maximum of 21°C (71°F) compared to March's minimum of 9°C (49°F) and a maximum of 19°C (66°F). The average temperature remains the same at 14°C (58°F) for both months. However, April is slightly wetter, receiving 71 mm (2.8 in) of precipitation across 11 days, while March sees 64 mm (2.5 in) of rain over 8 days. Humidity levels are fairly consistent, with March at 72% and April slightly lower at 70%. For more details about the weather in March, you can check Sintra weather in March.
April weather generally features cooler temperatures compared to May, with average highs reaching only 21°C (71°F) compared to May's warmer maximum of 24°C (76°F). While April experiences more rainfall, totaling 71 mm (2.8 in) over 11 days, May is significantly drier with just 33 mm (1.3 in) across only 3 days. Additionally, both months maintain similar humidity levels around 70%. For more details on May conditions, you can check Sintra weather in May.
April and June display distinct weather characteristics. In April, temperatures range from a minimum of 10°C (50°F) to a maximum of 21°C (71°F), with an average of 14°C (58°F). This month sees relatively high precipitation of 71 mm (2.8 in), spread over 11 days, and humidity levels at around 70%. In contrast, June offers warmer conditions, with a minimum of 14°C (58°F), an average of 17°C (63°F), and a maximum of 22°C (72°F). Notably, June experiences significantly lower precipitation, totaling just 12 mm (0.5 in) over 2 days, and a drop in humidity to 63%. For more details on June weather, you can check Sintra weather in June.
April and July present contrasting weather experiences. In April, temperatures range from a cooler minimum of 10°C (50°F) to a maximum of 21°C (71°F), with an average of 14°C (58°F). This month also sees significant rainfall, with 71 mm (2.8 in) over approximately 11 days, contributing to a humidity level of 70%. In contrast, July features milder temperatures, with a minimum of 16°C (60°F), an average of 18°C (64°F), and a maximum again at 21°C (70°F). Rainfall is minimal in July, recording just 3 mm (0.1 in) over the entire month and benefiting from a lower humidity of 60%. For more detailed insights, you can refer to Sintra weather in July.
April and August exhibit notable differences in weather patterns. In April, temperatures range from a minimum of 10°C (50°F) to a maximum of 21°C (71°F), with an average of 14°C (58°F). The month is relatively wet, receiving about 71 mm (2.8 in) of precipitation over 11 days, and humidity levels are around 70%. In contrast, August sees warmer temperatures, with a minimum of 16°C (61°F) and a maximum of 23°C (74°F), averaging 18°C (65°F). Precipitation drops significantly to just 4 mm (0.1 in) over the course of only one day, and humidity decreases to 60%. This stark difference highlights the transition from the wetter, cooler early spring to the drier, warmer mid-summer, making August a more favorable time for outdoor activities. For more details, you can check out the Sintra weather in August.
April and September both showcase mild temperatures, but there are notable differences in their weather patterns. In April, temperatures range from a minimum of 10°C (50°F) to a maximum of 21°C (71°F), with an average of 14°C (58°F). This month also experiences higher precipitation, averaging 71 mm (2.8 in) over 11 days, coupled with a humidity level of 70%. In contrast, September is warmer, with temperatures varying from a minimum of 15°C (60°F) to a maximum of 23°C (74°F) and an average of 18°C (65°F). Notably drier, September sees only 32 mm (1.2 in) of precipitation over just 2 days, while humidity slightly decreases to 67%. For more detailed insights, you can check Sintra weather in September.
In April, temperatures begin to warm up, with minimums around 10°C (50°F) and an average temperature of 14°C (58°F). The month brings about 71 mm (2.8 in) of precipitation over 11 days, coupled with a humidity level of 70%. In contrast, October enjoys slightly warmer days, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 23°C (74°F) and an average of 18°C (64°F). This month has lower precipitation, with only 53 mm (2.1 in) falling over just 6 days, though humidity increases slightly to 74%. For more detailed information on October weather specifically, you can check Sintra weather in October.
April and November exhibit similar temperature ranges, with April showing a minimum of 10°C and a maximum of 21°C, while November has slightly warmer temperatures, with a minimum of 11°C and a maximum of 20°C. Both months experience similar levels of precipitation, but November tends to be wetter, with 89 mm compared to April's 71 mm, despite both months having precipitation on roughly 11 days. Additionally, November has higher humidity at 83%, compared to April's 70%. For more insights on November weather, you can check Sintra weather in November.
In comparing the weather in April and December, both months exhibit similar average temperatures, hovering around 14°C (58°F). However, April experiences slightly higher maximum temperatures, reaching up to 21°C (71°F), while December peaks at 17°C (63°F). Precipitation levels are comparable, with April receiving 71 mm (2.8 in) over approximately 11 days, and December slightly higher at 73 mm (2.9 in) across 10 days. Notably, humidity levels are higher in December at 85%, compared to April's 70%. For more details on December weather, you can check Sintra weather in December.
April in Sintra ushers in a delightful transition as temperatures begin to rise, offering a refreshing escape from the cooler months. With an average temperature hovering around a mild 14°C (58°F), this month showcases a pleasing blend of warmth and occasional rain, setting the stage for lush greenery in the region. While rainfall occurs on about 11 days, the precipitation is still manageable, allowing visitors to explore the enchanting landscapes and historic sites. Overall, April's climate strikes a balance between the refreshing chill of early spring and the promise of warmer days ahead, making it an ideal time for outdoor adventures. For a comprehensive understanding of Sintra's weather patterns throughout the year, check out Sintra Climate.