Last updated: August 21, 2025
In March, Guarulhos, Brazil experiences a dynamic climate characterized by warm temperatures and substantial rainfall. Daytime highs reach up to 32°C (90°F), while the average temperature hovers around a comfortable 22°C (73°F), dipping to a minimum of 14°C (57°F) at night. This month sees a notable precipitation total of 147 mm (5.8 in) spread over 18 days, resulting in a humid atmosphere with an average humidity level of 87%. Expect a mix of sunny and rainy days, making March a transitional period in Guarulhos' weather pattern.
In March, Guarulhos, Brazil, enjoys a gentle transition towards the cooler months, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 32°C (90°F). The average temperature holds steady at 22°C (73°F), mirroring the mild climate of February. This stability indicates a slight dip in daytime highs, paving the way for April’s cooler embrace. The evenings are pleasantly fresh, inviting locals and visitors alike to relish the outdoor ambiance before ushering in the chillier months. As summer fades, March offers a delightful blend of warmth and comfort, making it an ideal time to experience the vibrant culture and landscapes of Guarulhos.
In March, Guarulhos experiences a moderate shift in precipitation, with an average of 147 mm (5.8 in) of rain over 18 days. This marks a decline from the previous months, as January and February recorded significantly higher rainfall, with 192 mm (7.6 in) and 166 mm (6.5 in) respectively. The trend suggests a gradual easing into the drier months ahead, as April and May are notably lighter, with only 58 mm (2.3 in) and 56 mm (2.2 in) expected. Despite the reduction, March still contributes to the overall wet season, paving the way for a refreshing transition into the upcoming months. The consistent number of rainy days in March also indicates that while the intensity of the rainfall may lessen, the showers are still frequent, providing the lush greenery that characterizes this vibrant region.
In March, Guarulhos experiences a slight dip in humidity, measuring 87%, which is just a touch lower than the consistent 88% seen in January and February. This subtle decline marks the beginning of a gradual transition into the drier months ahead. As the year progresses, humidity continues to decrease, with April dropping to 84% and May further declining to 79%. This trend showcases a significant shift as Guarulhos moves from the higher humidity of the summer months into a more comfortable, drier climate, creating a refreshing contrast that many residents and visitors appreciate during the autumn season.
In March, Guarulhos, Brazil experiences a UV Index of 12, maintaining its classification in the extreme exposure category, with a burn time of just 10 minutes. Following the trend set in the early months of the year, where the UV Index peaked at 16 in January and remained high in February (15), March signifies a slight decrease, yet caution is still essential for outdoor activities. As summer draws to a close, the UV levels gradually decline but remain significant as the country transitions toward autumn, with only a modest reduction in exposure through April, when the index drops to 11. To stay informed about UV index fluctuations and ensure safety while enjoying the sun, explore further at Guarulhos UV Index.
UV Risk Categories
March truly shines in Guarulhos, Brazil, with an impressive 305 hours of sunlight, marking it as the sunniest month of the year. This delightful increase from the previous months, where January and February recorded 251 and 267 hours respectively, highlights a promising trend of longer, brighter days as summer transitions into autumn. Following March, sunlight hours gradually ease back to 293 hours in April and 281 hours in May, but the overall pattern remains optimistic, suggesting that while the bright days of early autumn may be dimming, Guarulhos continues to enjoy a generous share of sunshine throughout the year. With the warmer months behind, residents can still look forward to a vibrant climate, made all the more enjoyable by the abundance of light.
In Guarulhos, Brazil, the likelihood of sunny weather in March presents an inviting prospect for outdoor enthusiasts, with a 36% chance of sunshine. As the summer months transition to autumn, March boasts a slightly higher chance of sun compared to February's 35%. This trend continues into April, where the likelihood increases to 40%, suggesting that the shift from summer to fall often brings more favorable weather. Notably, as the year progresses, the chances of sunny days surge into the winter months, peaking in July at 55%. Overall, March emerges as a sweet spot for those seeking a balance of warmth and sunshine amidst the seasonal changes.
In March, Guarulhos experiences a steady 12 hours of daylight, mirroring the shorter days of February. This marks a continuation of the region's gradual transition from the long daylight of January, which boasts 13 hours, to the shorter days of April and beyond. As autumn approaches, daylight diminishes, peaking again in the later months. Notably, as the calendar progresses, Guarulhos sees a rhythm where the daylight slowly decreases from January through May, stabilizing at 10 hours during the winter months of June to July. The cycle then gradually picks up again in late winter and spring, revealing a fascinating pattern of light that frames the year for the city.
As March unfolds in Guarulhos, Brazil, the average wind speed gently dips to 2.0 m/s (5 mph), marking a subtle shift from the steady breezes of January and February. This slight decrease hints at the transitional nature of early autumn, setting the stage for the gradual increase in winds that the city will experience in the following months. With April bringing a rise to 2.6 m/s (6 mph) and peaks of 3.5 m/s (8 mph) by October, it becomes clear that Guarulhos witnesses a seasonal evolution in wind patterns. These variations not only reflect the changing climate but also invigorate the atmosphere, inviting both residents and visitors to enjoy the crisp, refreshing air as the seasons transition.
Weather in Guarulhos varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Guarulhos, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between March and January, we see some interesting patterns. March typically experiences slightly lower minimum temperatures, averaging around 14°C (57°F) compared to January's minimum of 15°C (59°F). However, both months share similar average temperatures, with March at 22°C (73°F) and January at 23°C (74°F). The maximum temperatures are also closely aligned, reaching 32°C (90°F) in March and 33°C (91°F) in January.
Precipitation levels reveal a notable difference, as March sees 147 mm (5.8 in) of rainfall over 18 days, while January records higher precipitation at 192 mm (7.6 in) across 19 days. Humidity levels remain comparable, with March at 87% and January slightly higher at 88%. For a more detailed look at the weather conditions, you can visit Guarulhos weather in January.
In comparing the weather between March and February, we see some notable similarities and differences. Both months feature an average temperature of 22°C (73°F), but February tends to be slightly warmer overall, with a maximum temperature reaching 34°C (93°F) compared to March's 32°C (90°F). Precipitation levels are also similar, with March receiving 147 mm (5.8 in) across 18 days, while February experiences a bit more at 166 mm (6.5 in) over the same number of days. Humidity levels are slightly lower in March at 87%, compared to February's 88%. For a more detailed look at the weather in February, visit Guarulhos weather in February.
In March, the weather is notably warmer, with average temperatures reaching up to 22°C (73°F) and a maximum of 32°C (90°F). However, it is also quite rainy, with 147 mm (5.8 in) of precipitation over 18 days and a high humidity level of 87%. In contrast, April sees slightly cooler temperatures, averaging 20°C (69°F) with a maximum of 31°C (88°F), while also experiencing significantly less rain, recording only 58 mm (2.3 in) over 9 days. The humidity decreases slightly to 84%. For more details, you can check Guarulhos weather in April.
March and May present contrasting weather conditions. In March, temperatures range from a minimum of 14°C (57°F) to a maximum of 32°C (90°F), with an average of 22°C (73°F). This month also sees significant rainfall, accumulating 147 mm (5.8 in) over 18 days and maintaining a high humidity level of 87%. In contrast, May experiences cooler temperatures, with a minimum of 6°C (43°F), an average of 18°C (65°F), and a maximum of 29°C (84°F). Precipitation is much lower in May, totaling 56 mm (2.2 in) over just 7 days, accompanied by a humidity level of 79%. For more specific details on May weather, visit Guarulhos weather in May.
In March, the weather is notably warmer with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 32°C (90°F), averaging around 22°C (73°F). This month also experiences high humidity at 87% and significant precipitation, receiving 147 mm (5.8 in) over about 18 days. In contrast, June presents cooler conditions, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 28°C (82°F), and an average temperature of 18°C (64°F). Precipitation decreases substantially to 48 mm (1.9 in), occurring over only 7 days, and the humidity drops to 77%. For more specifics on June weather in this region, check out Guarulhos weather in June.
In comparing the weather between March and July, notable differences emerge. March experiences a much warmer climate with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 32°C (90°F), while July is significantly cooler, with temperatures only reaching a high of 29°C (84°F) and a low of 2°C (35°F). Furthermore, March is characterized by high humidity at 87% and a considerable amount of rainfall, averaging 147 mm (5.8 in) over 18 days, while July enjoys a much drier atmosphere with only 29 mm (1.1 in) of rain over just 3 days. For more insights, you can check Guarulhos weather in July.
March and August exhibit markedly different weather patterns. In March, temperatures range from a minimum of 14°C (57°F) to a maximum of 32°C (90°F), with an average of 22°C (73°F). This month is characterized by high humidity at 87% and significant precipitation, totaling 147 mm (5.8 in) over 18 days. In contrast, August sees much cooler temperatures, with a minimum of 5°C (42°F) and an average of 17°C (63°F), peaking at 31°C (89°F). Precipitation is considerably lower at 64 mm (2.5 in) across just 8 days, and the humidity drops to 65%. For more detailed information on August weather, you can visit Guarulhos weather in August.
In March, the weather is quite warm with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 32°C (90°F) and an average of 22°C (73°F). This month also sees significant precipitation, averaging 147 mm (5.8 in) over 18 days, resulting in high humidity levels of 87%. In contrast, September brings cooler temperatures, with a minimum of 9°C (48°F) and a maximum of 34°C (94°F), averaging around 20°C (68°F). Notably, September experiences much less rainfall, with only 47 mm (1.9 in) over just 6 days and a lower humidity of 58%. For more detailed information, check Guarulhos weather in September.
In comparing the weather of March and October, we find distinct differences and similarities. March features a warmer average temperature of 22°C (73°F) with daytime highs reaching up to 32°C (90°F). Humidity levels are significantly higher at 87%, contributing to a generally more muggy atmosphere, with rain expected on 18 days totaling 147 mm (5.8 in). In contrast, October showcases slightly cooler temperatures, with an average of 20°C (69°F) and maximums peaking at 36°C (97°F), albeit with lower humidity at 50%. Precipitation in October is also minimal, with 135 mm (5.3 in) over 16 days, suggesting more pleasant and drier conditions. For more detailed insights, check out Guarulhos weather in October.
March and November experience relatively mild temperatures, but March is warmer on average, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 32°C (90°F). In contrast, November sees slightly cooler temperatures, with a minimum of 11°C (52°F) and a maximum of 34°C (94°F). While both months bring considerable rainfall, March has higher precipitation at 147 mm (5.8 in) over 18 days compared to November's 126 mm (5.0 in) over 16 days. Additionally, March has a higher humidity level of 87%, while November's humidity is more comfortable at 75%. For more detailed information, you can check out Guarulhos weather in November.
In comparing the weather between March and December, both months exhibit relatively similar temperature averages, with March ranging from a minimum of 14°C (57°F) to a maximum of 32°C (90°F), and December showing slightly lower minimums at 12°C (54°F) with a maximum of 33°C (92°F). Precipitation levels are comparable as well, with March receiving 147 mm (5.8 in) over 18 days, while December sees a marginally higher total of 150 mm (5.9 in) across 22 days. Additionally, March has higher humidity at 87%, compared to December's 80%. For a more detailed look at December's weather, visit Guarulhos weather in December.
March in Guarulhos marks a transition into warmer days, with average temperatures rising and a noticeable increase in humidity compared to the earlier months. While the region experiences frequent rain, bringing an invigorating freshness, it also sets the stage for the upcoming hotter months. The combination of warm weather and substantial rainfall contributes to a lush landscape, making March a vibrant time of year. For a more in-depth look at the patterns and trends that characterize Guarulhos weather, visit Guarulhos Climate.