Last updated: August 21, 2025
In April, Santarem, Brazil experiences a tropical climate characterized by warm temperatures and high humidity. The maximum temperature reaches a balmy 31°C (89°F), while the average hovers around 26°C (80°F), providing a pleasant atmosphere for outdoor activities. However, rain is a significant factor this month, with a substantial precipitation total of 429 mm (16.9 in) over 29 days. This results in a humid environment, with levels averaging 86%, contributing to the lush greenery that defines the region. Travelers should be prepared for frequent showers while enjoying the vibrant natural beauty that April brings to Santarem.
In April, Santarem, Brazil, experiences a delightful warmth, with minimum temperatures rising slightly to 24°C (75°F). The average temperature remains steady at a comfortable 26°C (80°F), and daytime highs reach a pleasant 31°C (89°F). This month marks a transitional phase, as temperatures hint at the approaching warmth of the later months while still offering the mildness reminiscent of the earlier part of the year. Compared to March, where the max temperature peaked at 32°C (90°F), April provides a refreshing balance that encourages outdoor activities. As the month unfolds, the consistent warmth and moderate humidity make it an ideal time to explore Santarem's vibrant landscapes and cultural offerings.
April is a notably wet month in Santarem, Brazil, with precipitation reaching 429 mm (16.9 in) over an impressive 29 days of rainfall. This makes it one of the rainiest months of the year, consistently following the trend set by the preceding months of January, February, and March, which also experience heavy rainfall, cumulatively creating a lush and vibrant landscape. April's precipitation is slightly higher than that of March, affirming the peak of the rainy season. As the region transitions into May, a small decline to 359 mm (14.1 in) is observed, suggesting a gradual tapering of rainfall leading into the drier months. This pattern highlights the cyclical nature of Santarem's weather, where the intensity of rainfall begins to lessen after the peak, affecting both the ecosystem and the daily lives of its residents.
In April, Santarem experiences a notable peak in humidity, reaching a significant 86%. This surge marks a stark contrast to the preceding months of January through March, where humidity levels averaged between 65% and 79%. As the region transitions into the rainy season, the increase in moisture becomes evident, contributing to the lush landscapes typical of the Amazon. Following April, humidity levels climb even higher in May, peaking at 90%, before tapering off to more moderate levels in the drier months of July and beyond. The fluctuation from humid to relatively dry periods throughout the year paints a vivid picture of Santarem's dynamic climate.
April in Santarém, Brazil, continues the trend of extreme UV exposure as indicated by a UV Index of 16, matching March's levels. This stark measurement places residents and visitors at significant risk of sunburn within just 10 minutes of unprotected sun exposure. The consistency in high UV Index values from January through April underscores a need for vigilance in sun safety. As summer approaches, understanding the risks becomes increasingly vital. For more detailed information about UV levels throughout the year, visit Santarem UV Index.
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In April, Santarem, Brazil, basks in an impressive 247 hours of sunshine, continuing the upward trend initiated in the early months of the year. This slight dip from March's 269 hours is quickly eclipsed by the sunny promise of May, which boasts 281 hours. As we move deeper into the year, sunshine hours increase significantly, peaking at 341 hours in August. The consistent rise from January's 235 hours through to July's remarkable 337 hours highlights Santarem's allure for sun-seekers, making it a perfect destination for those looking to soak up rays amidst the lush Brazilian landscape.
In Santarem, Brazil, the likelihood of sunny weather in April sees a slight dip, with a 15% chance of sunshine. This follows a trend observed in the preceding months, where March's probabilities of clear skies drop to 11%. However, as the year progresses into May, the chances of sunny days significantly improve to 29%, heralding the onset of a more favorable climate. Notably, June and July showcase the highest likelihoods of sun, with chances soaring to 42% and 44%, respectively. This progression highlights a gradual awakening of sunlit days, encouraging visitors to anticipate brighter skies in the months following April.
In April, Santarém, Brazil, enjoys a consistent 12 hours of daylight, mirroring the trends seen in the preceding months of January through March. This stability in sunlight continues into May, when daylight begins to dwindle to 11 hours. The pattern reflects a harmonious rhythm of light throughout much of the year, as daylight remains relatively constant from August through December, restoring the 12-hour mark. As the seasons shift, Santarém’s daylight duration provides a backdrop for vibrant days filled with exploration and natural beauty, making it an inviting destination year-round.
In April, the winds in Santarem, Brazil remain gentle, showcasing an average speed of 2.3 m/s (5 mph), consistent with the calm breezes of January and March. As the month transitions to the cooler season, it reflects a slight dip from March's slight peak, but maintains a harmonious flow that characterizes the region’s climate. Notably, as summer progresses into the months of August and September, winds begin to pick up, reaching 2.8 m/s (6 mph), suggesting a gradual shift towards a livelier atmosphere. This gentle consistency in April’s winds invites a sense of tranquility, offering a serene backdrop to the lush landscapes and vibrant culture of the area.
Weather in Santarem varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Santarem, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January display quite similar weather characteristics, with both months featuring average temperatures around 26°C (80°F) and maximums peaking at 31°C (88-89°F). However, April tends to be wetter, receiving 429 mm (16.9 in) of precipitation over 29 days, compared to January's 351 mm (13.8 in) across 24 days. Additionally, humidity is higher in April at 86%, compared to January's 79%, contributing to a more muggier feel during the spring. For a closer look at January's weather patterns, you can visit Santarem weather in January.
When comparing the weather in April and February, both months exhibit similar average temperatures, hovering around 26°C (80°F), with maximums reaching up to 31°C (89°F) in April and 31°C (88°F) in February. However, April tends to be wetter, with precipitation measuring 429 mm (16.9 in) over 29 days compared to February's 425 mm (16.7 in) over 26 days. Notably, April also has a significantly higher humidity level at 86%, while February's humidity is more moderate at 65%. For more detailed insights into February weather, check out Santarem weather in February.
In comparing the weather between March and April, both months exhibit similar average temperatures, with April averaging 26°C (80°F) and March also at 26°C (80°F). However, April experiences slightly higher humidity at 86%, compared to March's 68%. Rainfall is more pronounced in April, with a total of 429 mm (16.9 in) over 29 days, compared to March's 399 mm (15.7 in) over 28 days. Notably, March tends to have slightly warmer maximum temperatures, reaching up to 32°C (90°F), while April's peak is 31°C (89°F). For more information on March weather specifics, you can visit Santarem weather in March.
In April, the weather tends to be slightly cooler with an average temperature of 26°C (80°F), while May sees a marginal increase to an average of 27°C (80°F). Both months experience high humidity levels, with April at 86% and May rising to 90%. Although both months are characterized by frequent rainfall, April receives more precipitation at 429 mm (16.9 in) over 29 days, compared to May's 359 mm (14.1 in) over 30 days. Overall, while the temperatures remain consistent, May offers slightly drier conditions. For more detailed weather information, you can visit Santarem weather in May.
April and June in Santarem display notable differences in weather patterns. April experiences slightly higher temperatures, with daily averages reaching 26°C (80°F) and maximums peaking at 31°C (89°F). However, it is also characterized by significant rainfall, totaling 429 mm (16.9 in) across 29 days, coupled with high humidity levels at 86%. In contrast, June sees a minor decrease in temperatures, with averages at 27°C (81°F) and highs at 32°C (90°F). Rainfall drops considerably to 169 mm (6.7 in) over 25 days, and humidity levels decrease to 82%. Overall, June offers warm and relatively drier weather compared to the wetter conditions of April. For more details, you can check Santarem weather in June.
In April, the weather is characterized by warmer temperatures, with a minimum of 24°C (75°F) and a maximum of 31°C (89°F), coupled with high humidity levels at 86%. The month is also marked by significant rainfall, totaling 429 mm (16.9 in) over 29 days, making it quite a wet period. In contrast, July offers slightly cooler temperatures, with a minimum of 23°C (74°F) and a maximum of 33°C (91°F), but much lower humidity at 61%, providing a more comfortable atmosphere. Additionally, July sees significantly less precipitation, with only 137 mm (5.4 in) over 17 days. This shift in weather patterns makes July a more favorable month for outdoor activities. For more details on July’s climate, you can check Santarem weather in July.
April and August exhibit distinct differences in weather patterns. In April, the temperatures range from a minimum of 24°C (75°F) to a maximum of 31°C (89°F), with an average of 26°C (80°F). This month is characterized by high rainfall, totaling 429 mm (16.9 in) over 29 days, and a high humidity level of 86%. In contrast, August experiences slightly warmer temperatures, with a minimum of 24°C (75°F), an average of 28°C (83°F), and a maximum of 34°C (94°F). The precipitation drops significantly to 79 mm (3.1 in) over just 9 days, and the humidity decreases to 46%. For a closer look at August weather details, visit Santarem weather in August.
April and September in Santarem present quite a contrast in weather. In April, temperatures range from a minimum of 24°C (75°F) to a maximum of 31°C (89°F), with an average of 26°C (80°F). This month is characterized by high humidity at 86% and significant rainfall, averaging 429 mm (16.9 in) over 29 days. In contrast, September sees warmer temperatures, with a minimum of 24°C (75°F) and a maximum reaching 34°C (93°F), averaging 29°C (84°F). The humidity drops significantly to 40%, and precipitation is drastically lower, with only 69 mm (2.7 in) recorded over just 10 days. For more detailed information, you can check Santarem weather in September.
In April, temperatures typically range from a minimum of 24°C (75°F) to a maximum of 31°C (89°F), with an average of 26°C (80°F). This month experiences significant rainfall, totaling 429 mm (16.9 in) across 29 days, paired with high humidity levels at 86%. In contrast, October sees higher temperatures, with averages around 29°C (84°F) and peaks reaching 35°C (95°F), while rainfall drastically decreases to 87 mm (3.4 in) over just 12 days. The humidity also drops to 38%, resulting in a much drier environment. For more detailed information, you can visit Santarem weather in October.
April and November present contrasting weather conditions. In April, temperatures range from a minimum of 24°C (75°F) to a maximum of 31°C (89°F), with an average of 26°C (80°F). The month is notably wet, featuring substantial precipitation of 429 mm (16.9 in) over 29 days and high humidity at 86%. In comparison, November is warmer, with temperatures ranging from 24°C (76°F) to 34°C (93°F), and an average of 28°C (83°F). Precipitation decreases significantly to 190 mm (7.5 in) over 20 days, leading to a much drier atmosphere with humidity dropping to 39%. For more details on the weather in November, you can visit Santarem weather in November.
April and December exhibit distinct differences in weather characteristics. In April, temperatures range from a minimum of 24°C (75°F) to a maximum of 31°C (89°F), with an average temperature of 26°C (80°F). This month experiences significant rainfall, totaling 429 mm (16.9 in) over 29 days, coupled with high humidity at 86%. In contrast, December sees slightly higher maximum temperatures reaching 34°C (93°F) and a lower average of 27°C (81°F), while the minimum temperature stays similar at 23°C (74°F). Rainfall in December is reduced to 359 mm (14.1 in) across 27 days, with humidity dropping to a more comfortable 69%. For a more detailed insight, you can check Santarem weather in December.
In April, Santarem experiences a distinctly humid atmosphere, with the average temperature hovering around a comfortable 26°C. While temperatures peak at a warm 31°C, the month is characterized by frequent rain, resulting in approximately 429 mm of precipitation over nearly the entire month. This makes April notably wetter compared to other months, dramatically affecting both the landscape and daily activities. The high humidity levels of 86% add to the lush greenery and vibrant ecosystems that define this time of year. To learn more about how Santarem's weather patterns shift throughout the year, visit Santarem Climate.