April Weather in Guarulhos, Brazil

Last updated: August 21, 2025

In April, Guarulhos, Brazil experiences a blend of warmth and occasional rainfall, creating a dynamic spring atmosphere. The maximum temperature reaches a pleasant 31°C (88°F), while the average temperature sits comfortably at 20°C (69°F). Nights cool down to a refreshing 11°C (52°F), offering a stark contrast to daytime heat. During this month, residents and visitors can expect about 58 mm (2.3 in) of precipitation over 9 rainy days, resulting in a high humidity level of 84%. This mix of sun and showers contributes to the lush greenery typical of the region, making April a vibrant time to explore Guarulhos.

April Temperature in Guarulhos

In April, Guarulhos, Brazil, begins to transition into the cooler months, showcasing a distinct shift in temperatures. The minimum temperature drops to 11°C (52°F), offering a refreshing relief from the warmer summer months. The average temperature hovers around a comfortable 20°C (69°F), perfect for outdoor activities. As daytime approaches, the maximum temperature reaches 31°C (88°F), still providing ample warmth but signaling the end of the hotter season. This month stands out with mild temperatures that make it an ideal time for exploration, as the cool mornings give way to pleasantly warm afternoons, allowing residents and visitors alike to enjoy all that Guarulhos has to offer.

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

The chart illustrates April temperature patterns in Guarulhos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guarulhos, 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).
JanFebMarAprMayJunJulAugSepOctNovDec737272686464626368696871
Data source: Temperature data for Guarulhos generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Guarulhos

In April, Guarulhos experiences a noticeable decline in precipitation, recording just 58 mm (2.3 in) over 9 days, making it one of the driest months of the year. This marked reduction follows the wet months of January through March, where rainfall consistently exceeded 140 mm each month, reflecting the transition towards the drier period that begins in late autumn. The trend continues into May and June, where precipitation levels dip even further, averaging just over 50 mm. This shift not only impacts the lush greenery of the region but also sets the stage for a drier winter season ahead, showcasing Guarulhos' distinct climatic patterns throughout the year.

April Precipitation Trends in Guarulhos

The chart displays monthly precipitation patterns in Guarulhos, 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 Guarulhos, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec192166148585648296447135126150
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Guarulhos

In April, humidity levels in Guarulhos, Brazil begin to show a noticeable decline, averaging 84% as the region transitions into the drier months of the year. This marks a decrease from the consistently high figures of 88% in January and February, and 87% in March. The gradual reduction is a precursor to the upcoming dry spell, with May seeing humidity drop further to 79%. This trend reflects a shift from the lush, moisture-rich atmosphere of the previous months to a more moderate climate, setting the stage for the drier conditions that characterize the latter half of the year, ultimately peaking at a low of 50% in October.

April Average Humidity in Guarulhos

This chart illustrates the average monthly humidity levels in Guarulhos, 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 Guarulhos is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%84%79%77%72%65%58%50%75%80%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Guarulhos

In April, Guarulhos, Brazil, experiences a UV Index of 11, categorizing it as extreme, with a rapid burn time of just 10 minutes. This trend reflects a pattern of intense sunlight that begins with the peak months from January to March and continues to dominate through much of the year. As the seasons transition into May, the UV Index slightly declines to 8, marking a shift to very high exposure. Notably, April sits at the tail end of a series of extreme levels, which highlights the importance of sun protection as the temperatures warm up. For those planning outdoor activities, understanding these trends is crucial; don't forget your sunscreen! For more detailed information, visit Guarulhos UV Index.

Maximum UV Index Levels in Guarulhos for April

The chart shows the monthly maximum UV Index (UVI) for Guarulhos 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 Guarulhos typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16151211867911131415
Data source: Guarulhos 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 Guarulhos

April shines brightly in Guarulhos, Brazil, with 293 hours of glorious sunshine, offering a delightful prelude to the vibrant months ahead. As the year progresses, the city experiences a steady increase in sunlight, peaking in March with 305 hours before slightly dipping in April. Following this trend, May maintains a healthy 281 hours, suggesting that residents can savor the warm, sunlit days as they transition into the cooler mid-year months. Interestingly, while January and February begin the year with lower sunlit hours, the general pattern reflects an uplifting trajectory towards brighter days, reinforcing Guarulhos’s charm as a sun-kissed destination throughout the year.

Monthly Sunshine Duration in Guarulhos: April Highlighted

The April sunshine duration represents the total number of hours Guarulhos 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.
JanFebMarAprMayJunJulAugSepOctNovDec251h267h305h293h281h258h289h264h290h273h295h318h
Data source: Guarulhos April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Guarulhos During April

As April arrives in Guarulhos, Brazil, residents and visitors can look forward to a 40% chance of sunny weather, marking a notable increase compared to the previous months. This upward trend in sunny days reaches its peak in the dry season, with July boasting a generous 55% chance, suggesting that April serves as a transitional month into sunnier skies. Notably, while the chances of sunshine are higher in April than in both January and February, they dip slightly in the following month, May, which sees a return to a 35% likelihood. Thus, April presents a pleasant opportunity for outdoor activities, nestled between the wet season and the bright days ahead.

Percentage of Sunny Days in April in Guarulhos

The chart illustrates the percentage of sunny days in Guarulhos 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 Guarulhos experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec13%35%36%40%35%35%55%48%42%14%33%31%
Data source: Guarulhos April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Guarulhos in April

In April, Guarulhos, Brazil experiences a subtle decline in daylight duration, with the sun illuminating the skies for 11 hours each day. This trend marks a gradual tapering of daylight, following the longer days of January and February, which enjoy 13 and 12 hours respectively. As the year progresses, daylight continues to shorten, with May bringing 10 hours, creating a reflective balance as the city transitions into the cooler months of winter. Interestingly, daylight begins to increase again in August, suggesting a rhythmic cycle that defines the region’s seasonal characteristics. Overall, April serves as a gentle bridge between the brightness of summer and the coziness of winter, captivating residents and visitors alike.

Average Daylight Hours in Guarulhos for April

The chart illustrates the variation in daylight duration in Guarulhos throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 22m12h 51m12h 11m11h 30m10h 57m10h 41m10h 50m11h 19m11h 57m12h 38m13h 14m13h 32m
Data source: Guarulhos daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Guarulhos

In April, Guarulhos experiences a gentle uptick in wind speed, averaging 2.6 m/s (6 mph), marking a refreshing transition from the lighter breezes of earlier months. This increase signals the onset of a trend, as wind speeds gradually rise towards the end of the year. Following April, May and July maintain a similar pace, suggesting that the city begins to embrace a more invigorating atmosphere as it approaches the dry season. Notably, the trend continues into the latter half of the year, where August and September reach 3.0 m/s (7 mph) and 3.1 m/s (7 mph), respectively. This gradual escalation not only enhances the region's dynamic weather patterns but also invites a sense of energy and movement, perfect for outdoor activities as the dry season unfolds.

Average April Wind Speed in Guarulhos

The chart displays monthly wind speed patterns in Guarulhos, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.32.32.02.6 m/s2.52.32.53.03.13.53.32.9
Data source: Guarulhos April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Guarulhos Compares to Other Months

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

April and January present distinct weather patterns in the region. In April, temperatures range from a minimum of 11°C (52°F) to a maximum of 31°C (88°F), with an average of 20°C (69°F). Precipitation is moderate, totaling 58 mm (2.3 in) over about 9 days, and humidity sits at a relatively high 84%. In contrast, January tends to be warmer, featuring a minimum temperature of 15°C (59°F) and peaking at 33°C (91°F), with an average of 23°C (74°F). This month experiences significantly more rain, accumulating 192 mm (7.6 in) across approximately 19 days, and humidity levels reach 88%. For further details, you can check Guarulhos weather in January.

In comparing the weather between April and February, we can note several differences. April experiences milder temperatures with a minimum of 11°C (52°F) and an average of 20°C (69°F), while February is generally warmer, with a minimum of 15°C (59°F) and an average of 22°C (73°F). February also sees higher maximum temperatures, peaking at 34°C (93°F), compared to April's maximum of 31°C (88°F). Precipitation is substantially greater in February, with 166 mm (6.5 in) occurring over 18 days, compared to April's 58 mm (2.3 in) over just 9 days. Additionally, humidity levels are slightly higher in February at 88%, compared to April's 84%. For a more detailed look at February's weather, you can visit Guarulhos weather in February.

In comparing the weather between March and April, we observe notable differences. March offers slightly higher average temperatures, with a minimum of 14°C (57°F) and a maximum of 32°C (90°F), compared to April's minimum of 11°C (52°F) and maximum of 31°C (88°F). However, April tends to be less rainy, with only 58 mm (2.3 in) of precipitation over 9 days, while March sees considerably more rain at 147 mm (5.8 in) across 18 days. Additionally, humidity levels are slightly lower in April at 84% compared to March's 87%. For more specific details, you can check Guarulhos weather in March.

In comparing the weather of April and May, April tends to be warmer with average temperatures peaking at 20°C (69°F), while May's average is slightly cooler at 18°C (65°F). April also experiences higher maximum temperatures, reaching up to 31°C (88°F) compared to May's 29°C (84°F). Precipitation is fairly similar, with April receiving 58 mm (2.3 in) over 9 days, while May has 56 mm (2.2 in) over just 7 days, indicating a slightly drier trend. Additionally, humidity remains higher in April at 84%, compared to 79% in May. For more detailed insights, check Guarulhos weather in May.

April tends to be warmer than June, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 31°C (88°F), while June sees a cooler range from a minimum of 7°C (45°F) to a maximum of 28°C (82°F). April also experiences higher average temperatures at 20°C (69°F) compared to June's average of 18°C (64°F). Additionally, April has more precipitation, with 58 mm (2.3 in) over 9 days, while June receives 48 mm (1.9 in) spread across just 7 days. Humidity is slightly higher in April at 84%, compared to 77% in June, highlighting the more tropical feel of the earlier month. For more specifics, you can check Guarulhos weather in June.

April and July present distinctly different weather patterns. In April, temperatures range from a minimum of 11°C (52°F) to a maximum of 31°C (88°F), with an average of 20°C (69°F). The month sees considerable precipitation, with 58 mm (2.3 in) spread over 9 days and a high humidity level of 84%. In contrast, July is cooler, with temperatures ranging from 2°C (35°F) to 29°C (84°F) and an average of 16°C (62°F). Rainfall is significantly lower in July, with only 29 mm (1.1 in) occurring over just 3 days, accompanied by lower humidity at 72%. For more details, visit Guarulhos weather in July.

April and August in Guarulhos present distinct weather patterns. In April, temperatures range from a minimum of 11°C (52°F) to a maximum of 31°C (88°F), with an average of 20°C (69°F). The month experiences a higher humidity level at 84% and records about 58 mm (2.3 in) of precipitation over 9 days. In contrast, August has cooler temperatures, with a minimum of 5°C (42°F) and an average of 17°C (63°F), while still reaching a maximum of 31°C (89°F). This month sees slightly higher precipitation at 64 mm (2.5 in) over 8 days, but the humidity drops to 65%. For more specifics on August weather, you can refer to Guarulhos weather in August.

April and September present contrasting weather patterns, although the average temperatures are quite similar, hovering around 20°C (68°F). In April, temperatures range from a minimum of 11°C (52°F) to a maximum of 31°C (88°F), coupled with higher humidity levels at 84% and precipitation occurring on 9 days, accumulating to 58 mm (2.3 in). In contrast, September sees slightly cooler mornings with a minimum of 9°C (48°F) and higher maximum temperatures of 34°C (94°F), but it enjoys lower humidity at 58% and less precipitation—only 47 mm (1.9 in) over just 6 days. For a more detailed view of September's climate, check out Guarulhos weather in September.

April and October exhibit contrasting weather patterns despite having similar average temperatures around 20°C (69°F). In April, temperatures range from a minimum of 11°C (52°F) to a maximum of 31°C (88°F), accompanied by relatively high humidity at 84% and moderate precipitation of 58 mm (2.3 in) over 9 days. In contrast, October temperatures can peak at a scorching 36°C (97°F), with a minimum of 12°C (53°F), but the humidity drops significantly to 50%. However, October is marked by increased rainfall, accumulating to 135 mm (5.3 in) across 16 days. For more details on October weather, check out Guarulhos weather in October.

April and November in Guarulhos exhibit similar minimum and average temperatures, typically starting at around 11°C (52°F) and averaging 20°C (69°F). However, November tends to be warmer, with maximum temperatures reaching up to 34°C (94°F), compared to April's high of 31°C (88°F). Precipitation is significantly more frequent in November, with 126 mm (5.0 in) of rainfall over 16 days, in contrast to April's 58 mm (2.3 in) over just 9 days. Additionally, while April is marked by higher humidity at 84%, November's humidity level is somewhat lower at 75%. For more insights on the weather, you can check Guarulhos weather in November.

In comparing the weather of April and December, we can see some distinct differences. April experiences a temperature range from a minimum of 11°C (52°F) to a maximum of 31°C (88°F), with an average temperature of 20°C (69°F) and a relatively moderate precipitation of 58 mm (2.3 in) over 9 days, while humidity is quite high at 84%. In contrast, December offers slightly warmer conditions, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 33°C (92°F), and an average temperature of 22°C (72°F). However, December sees a significant increase in rainfall, totaling 150 mm (5.9 in) over 22 days, accompanied by a slightly lower humidity of 80%. For more detailed insights, check out Guarulhos weather in December.

Compare Guarulhos's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Guarulhos

As April unfolds in Guarulhos, it marks a transition into milder and more variable weather compared to the sweltering summer months. The average temperatures hover around a comfortable 20°C, offering a respite from the heat, while occasional high peaks at 31°C remind us that summer's warmth still lingers. This month also introduces increased humidity, at 84%, and a moderate amount of rain, with precipitation occurring on about nine days. This blend of factors signifies a shift toward a more temperate climate, making April an enjoyable time to experience the beauty of Guarulhos. For more detailed insights, be sure to check out Guarulhos Climate.