April Weather in Santos, Brazil

Last updated: August 21, 2025

In April, Santos, Brazil, experiences a vibrant blend of warm temperatures and occasional rainfall. With maximum highs reaching 31°C (89°F) and an average temperature of 23°C (74°F), the climate is generally pleasant, inviting outdoor activities. However, this month sees about 139 mm (5.5 in) of precipitation spread over 15 days, making humidity a significant factor at 84%. Visitors should be prepared for both sunny days and refreshing showers, ensuring a unique and dynamic experience in this coastal city.

April Temperature in Santos

In April, Santos, Brazil experiences a pleasant transition from the warm summer months, with temperatures reflecting a gentle cool-down after the peak heat. The minimum temperature dips to a comfortable 19°C (66°F), while the average settles at a mild 23°C (74°F), ideal for outdoor activities. Although the maximum reaches a still-warm 31°C (89°F), the overall climate in April feels more temperate compared to the sweltering highs of January and February. This month not only marks a decrease in extreme heat but also an ascent in delightful breezes, making it a perfect time for visitors to explore the coastal beauty of Santos.

April Weather in Santos: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Santos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santos, April typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec787777747170676769717275
Data source: Temperature data for Santos generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Santos

In April, Santos, Brazil, experiences a notable dip in precipitation, accumulating 139 mm (5.5 in) over 15 days of rainfall. This marks a decrease from the wetter months of January through March, where average rainfall reached upwards of 229 mm (9.0 in). As the rainy season begins to wane, this shift is indicative of the city's transition towards the drier months ahead. Comparing April's figures to those of May, which sees a slight reduction in both rainfall and rainy days, hints at a gradual drying trend as the year progresses. As such, the early autumn offers a reprieve from the heavier rains, filtering a blend of sunshine and occasional showers into the coastal charm of Santos.

April Precipitation Trends in Santos

The chart displays monthly precipitation patterns in Santos, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Santos, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec18424922913913011781134102183147153
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Santos

April in Santos, Brazil, marks a slight decline in humidity, with levels hitting 84%, down from the previous month's 86%. This continuing trend of diminishing moisture peaks in the early months reflects a broader pattern of seasonal change, as Santos transitions from its more humid summer months into the cooler winter season. Interestingly, while April maintains a relatively high humidity level compared to the drier months of July and August, it sets the stage for a more temperate climate, aligning with May's humidity of 84%. This gradual decrease hints at not only changing weather patterns but also a shift in local comfort, making April an ideal month for outdoor activities before the humidity dips further in the heart of winter.

April Average Humidity in Santos

This chart illustrates the average monthly humidity levels in Santos, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Santos is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%86%84%84%82%80%78%78%76%85%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Santos

In April, Santos experiences a UV Index of 11, placing it in the extreme exposure category, with a burn time of just 10 minutes. This slight decline from the higher indexes of previous months signals that while the intensity may be reducing slightly, caution is still paramount for sun exposure. The trend from January to April showcases resilience in UV levels, with January's peak at 15 gradually lowering but still demanding significant sun safety measures. As we move into May, the UV Index drops further to 8, transitioning into the very high category and allowing slightly longer exposure times. For those looking to enjoy Santos' sunny beaches, it's crucial to stay informed and prepared by checking the daily UV Index through this resource: Santos UV Index.

Maximum UV Index Levels in Santos for April

The chart shows the monthly maximum UV Index (UVI) for Santos in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Santos typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141211866911131415
Data source: Santos April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

April Sunshine in Santos

April in Santos, Brazil, welcomes an impressive 291 hours of sunshine, continuing a consistent trend of bright days that peak in the earlier months of the year. Following the sunniest March at 298 hours, April's light lingers delightfully, slightly dimming as the weather transitions towards the cooler months. As we move into May with 274 hours of sunshine, it’s clear that Santos boasts a generally warm and radiant climate, with sunshine hours fluctuating but remaining abundant throughout the year. Notably, the summer months of December and November shine brightest, with 317 and 295 hours respectively, showcasing Santos as a vibrant destination for sun seekers and nature lovers alike.

Monthly Sunshine Duration in Santos: April Highlighted

The April sunshine duration represents the total number of hours Santos experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec256h265h298h291h274h243h275h250h274h261h295h317h
Data source: Santos April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Santos During April

April in Santos, Brazil, marks a delightful transition into sunnier days, with a 49% chance of sunshine—the highest for this time of year. As summer fades, this percentage reflects an increasing trend from the previous months, where February and March had 43% and 42% likelihoods, respectively. Following April, May maintains a robust 47% chance, but it’s the sunny promise of April that stands out after the cooler rainy months of January and June, which dip to 16% and 40%. Overall, April serves as a lovely bridge into the sun-drenched months ahead, perfect for enjoying Santos’ beautiful coastline.

Percentage of Sunny Days in April in Santos

The chart illustrates the percentage of sunny days in Santos throughout the year, with April highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Santos experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec16%43%42%49%47%40%61%50%37%21%42%42%
Data source: Santos April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Santos in April

As April arrives in Santos, Brazil, daylight begins to wane, with the sun gracing the sky for 11 hours—a noticeable reduction from the 13 hours enjoyed in January and the 12 hours seen in previous months. This gradual decrease continues into May, where daylight dips further to 10 hours. However, as the year progresses, daylight duration begins to stabilize, hovering around 10 to 11 hours during the mid-year months of June and July. A subtle increase returns in August, suggesting a slow resurgence of brighter days as the seasons shift. Overall, Santos experiences a rhythmic pattern of daylight throughout the year, creating a natural ebb and flow that marks the transition from summer to winter and back again.

Average Daylight Hours in Santos for April

The chart illustrates the variation in daylight duration in Santos throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 24m12h 52m12h 11m11h 29m10h 56m10h 39m10h 48m11h 18m11h 57m12h 39m13h 15m13h 34m
Data source: Santos daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Santos

As April arrives in Santos, Brazil, the wind begins to stir, bringing with it a refreshing shift in the climate. Average wind speeds rise to 3.6 m/s (8 mph), making this month a delightful precursor to the brisk winds that follow in the later months. This increase marks a notable transition from the calmer winds of early year, where January through March recorded speeds around 2.6 to 2.8 m/s (6 mph). April's breezy embrace is a herald of change, paving the way for the stronger gusts of May and August, which reach up to 3.9 m/s (9 mph). By October, Santos experiences its peak winds at an invigorating 4.7 m/s (11 mph), creating an atmosphere perfect for both adventure and relaxation by the coast.

Average April Wind Speed in Santos

The chart displays monthly wind speed patterns in Santos, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.72.63.6 m/s3.33.23.23.93.84.73.73.4
Data source: Santos April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Santos Compares to Other Months

Weather in Santos varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Santos, focusing on differences in temperature, rainfall, humidity, and UV levels.

April generally presents a slightly cooler climate compared to January, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 31°C (89°F). In contrast, January has higher temperatures, with minimums around 21°C (69°F) and maximums reaching 32°C (90°F). Both months experience significant rainfall, but January receives more precipitation at 184 mm (7.2 in) over 18 days, compared to April's 139 mm (5.5 in) spread over 15 days. Humidity levels are also slightly lower in April at 84%, whereas January's humidity is higher at 89%. For a detailed look at January's weather patterns, you can check Santos weather in January.

When comparing the weather between April and February, we can observe some notable differences. In April, temperatures range from a minimum of 19°C (66°F) to a maximum of 31°C (89°F), with an average of 23°C (74°F). The month sees a significant amount of rainfall, totaling 139 mm (5.5 in) over approximately 15 days, and humidity levels are around 84%. In contrast, February experiences warmer conditions, with minimum temperatures at 21°C (69°F) and maximum temperatures reaching 33°C (91°F). The average temperature is higher at 25°C (78°F), but it is accompanied by more precipitation, totaling 249 mm (9.8 in) over 19 days, with humidity slightly higher at 87%. For more detailed insights on February's weather patterns, refer to Santos weather in February.

In comparing the weather between March and April, we find some notable differences. March experiences slightly higher average temperatures, with a minimum of 21°C (69°F), an average of 25°C (77°F), and a maximum of 32°C (90°F). In contrast, April's temperatures are a bit cooler, ranging from a minimum of 19°C (66°F) to a maximum of 31°C (89°F). Precipitation levels are significantly higher in March, accumulating 229 mm (9.0 in) over 20 days compared to April's 139 mm (5.5 in) spread over 15 days. Humidity remains fairly consistent between the two months, with March at 86% and April at 84%. For more detailed insights on the weather in March, you can refer to this link: Santos weather in March.

April typically features warmer temperatures compared to May, with a minimum of 19°C (66°F) and an average of 23°C (74°F), peaking at 31°C (89°F). In contrast, May sees slightly cooler temperatures, with a minimum of 15°C (59°F) and an average of 22°C (71°F), reaching a maximum of 29°C (84°F). Additionally, both months experience similar levels of precipitation, with April receiving 139 mm (5.5 in) over 15 days and May recording 130 mm (5.1 in) over 13 days. Interestingly, humidity remains consistent in both months at 84%. For more detailed information on the weather patterns, explore Santos weather in May.

In comparing the weather of April and June, we can observe a slight drop in temperatures during June, with average highs reaching 30°C (86°F) compared to April's warmer maximum of 31°C (89°F). The minimum temperature in June is also cooler at 15°C (60°F), while April records a warmer minimum of 19°C (66°F). Additionally, June experiences less precipitation, totaling 117 mm (4.6 in) over 12 days, in contrast to April's 139 mm (5.5 in) over 15 days. Humidity levels are relatively similar, with June at 82% and April slightly higher at 84%. For a more detailed overview, you can visit this link: Santos weather in June.

In comparing the weather of April and July, April tends to be much warmer, with average temperatures around 23°C (74°F) and maximums reaching up to 31°C (89°F). In contrast, July experiences cooler temperatures, with an average of 20°C (67°F) and a maximum of 30°C (86°F). While April is characterized by higher humidity at 84% and significant rainfall, receiving 139 mm (5.5 in) across 15 days, July is drier with only 81 mm (3.2 in) of precipitation over 8 days and slightly lower humidity at 80%. For a more detailed overview of July weather specifically, you can check Santos weather in July.

April and August exhibit distinct weather patterns, with April typically boasting warmer temperatures. In April, the minimum temperature hovers around 19°C (66°F) and averages 23°C (74°F), while reaching a maximum of 31°C (89°F). In contrast, August sees lower temperatures, with a minimum of 14°C (57°F), an average of 19°C (67°F), and a maximum of 30°C (87°F). Despite both months having similar precipitation levels—139 mm (5.5 in) in April and 133 mm (5.3 in) in August—April experiences slightly more rainy days at 15 compared to 13 in August. Humidity is also higher in April at 84%, whereas it decreases to 78% in August. For more details on the weather specific to August, you can refer to Santos weather in August.

In comparing the weather between April and September, April generally presents warmer temperatures, with lows around 19°C (66°F) and highs reaching up to 31°C (89°F), while September is slightly cooler, with minimum temperatures of 15°C (60°F) and maximum temperatures peaking at 33°C (92°F). April experiences higher humidity at 84% and more precipitation, totaling 139 mm (5.5 in) over about 15 days, in contrast to September's 102 mm (4.0 in) across 13 days. For more details about September weather, you can refer to Santos weather in September.

April and October exhibit distinct weather characteristics. In April, temperatures range from a minimum of 19°C (66°F) to a maximum of 31°C (89°F), with an average of 23°C (74°F). The month experiences substantial rainfall, with 139 mm (5.5 in) distributed over 15 days, and a high humidity level of 84%. In contrast, October slightly cools down, featuring a minimum temperature of 17°C (62°F) and an average of 22°C (72°F), while peaking at 34°C (93°F). This month sees increased precipitation at 183 mm (7.2 in) across 19 days, but the humidity is lower, standing at 76%. For more specific details on October weather, you can refer to Santos weather in October.

April and November exhibit similar temperature ranges, with April slightly warmer at an average of 23°C (74°F), compared to November's average of 22°C (72°F). Both months see maximum temperatures reaching up to 31°C (87°F) and 31°C (89°F) respectively. However, April tends to be slightly wetter, with 139 mm (5.5 in) of precipitation over 15 days, while November records 147 mm (5.8 in) over 18 days. Humidity levels are also comparable, hovering around 84% in April and 85% in November. For more detailed information about November weather, you can visit Santos weather in November.

April and December exhibit relatively similar weather patterns, with both months featuring warm temperatures. In April, the temperatures range from a minimum of 19°C (66°F) to a maximum of 31°C (89°F), with an average of 23°C (74°F). In contrast, December sees slightly cooler maximum temperatures, peaking at 30°C (87°F) while averaging 24°C (75°F). Both months also experience significant rainfall, with April receiving 139 mm (5.5 in) over 15 days and December experiencing 153 mm (6.0 in) over 19 days. Humidity levels are comparable as well, with April at 84% and December slightly higher at 87%. For more detailed weather insights, you can check out Santos weather in December.

Compare Santos's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Santos

In April, Santos experiences a notable transition in weather patterns, characterized by warmer temperatures and increased humidity compared to earlier months. With an average temperature hovering around 23°C (74°F) and peaks reaching up to 31°C (89°F), the days take on a summery feel, inviting both locals and visitors to relish the tropical climate. However, this month also brings about significant rainfall, as the city sees approximately 15 days of precipitation, accumulating to about 139 mm (5.5 in). This blend of warmth and moisture often creates a lush, vibrant atmosphere, setting the stage for a delightfully refreshing experience. For a deeper understanding of what to expect throughout the year, check out Santos Climate.