Last updated: August 21, 2025
In March, São João del Rei experiences a vibrant transition into the autumn season, marked by maximum temperatures reaching up to 31°C (88°F) and an average temperature of 22°C (72°F). The month brings with it substantial precipitation, totaling 102 mm (4.0 in) over approximately 15 days, creating a lush, green landscape throughout the area. Visitors can expect a high humidity level of 87%, contributing to the warmth and creating a distinctive, tropical atmosphere. This blend of warm days and occasional rain underscores the charm of March in this historical Brazilian city.
In March, Sao Joao del Rei experiences a subtle transition in temperatures as summer begins to fade. With a minimum of 12°C (55°F) to a maximum of 31°C (88°F), the weather remains warm but slightly cooler compared to the hot months of January and February. The average temperature hovers around 22°C (72°F), offering a comfortable climate perfect for exploring the charming streets and historical sites. As the month progresses, the nights become more refreshing, hinting at the approaching cooler season of autumn. This blend of warm days and cooler nights creates an inviting atmosphere for both locals and visitors.
In March, São João del Rei experiences a moderate precipitation total of 102 mm (4.0 in) over 15 days of rain, marking a notable decrease from February's higher average. This month continues a trend of diminishing rainfall that begins after the peak of summer, as seen with January and February, which recorded significantly higher totals of 122 mm and 163 mm, respectively. Following March, the precipitation drops sharply in April to just 42 mm (1.7 in), indicating the onset of the dry season. The gradual decline in rainfall from the wet summer months to drier autumn months highlights the region's seasonal variability, making March a pivotal transitional period in São João del Rei’s climate.
In March, Sao Joao del Rei experiences a notable rise in humidity, reaching 87%, which marks the highest level for the year. This increase is part of a broader trend of elevated humidity levels observed at the beginning of the year, with January and February recording 83% and 85% respectively. Following March, humidity begins to decline gradually, falling to 86% in April before settling into a drier period during the winter months. Overall, the fluctuation of humidity throughout the year reflects the shifting seasons and climatic conditions of this charming Brazilian town, making it an important aspect for residents and visitors alike to consider when planning their activities.
In March, Sao Joao del Rei experiences a notable UV Index of 14, categorized as extreme, with a burn time of only 10 minutes. This reflects a slight decrease from January and February's peak values but remains a serious concern for sun safety. The trend shows that as summer transitions into autumn, while the UV Index does dip slightly, it still necessitates caution. Given the consistently high exposure levels throughout the first third of the year, residents and visitors alike should stay vigilant against the sun’s intense rays. For more details on UV Index trends and safety tips, visit Sao Joao del Rei UV Index.
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In March, Sao Joao del Rei basks in the glory of 313 hours of sunshine, marking it as one of the sunniest months of the year. This vibrant surge in daylight, compared to January and February—which offer just 262 and 264 hours respectively—signals the joyous arrival of autumn in Brazil. Following this solar peak, the city experiences a slight decline in sunshine hours throughout April and May, yet remains generous with about 291 and 288 hours. This trend hints at a climatic rhythm, where March stands out as a bright beacon of warmth, promising delightful days ahead before the weather gradually cools into winter.
In March, São João del Rei experiences a notable boost in sunny weather, with a 39% chance of sunshine, making it a more inviting time compared to the earlier months of January and February, which see only 27% and 24% likelihoods, respectively. This upward trend continues into April and June, where the chance of sun rises to 57%. As the region transitions towards the dry season, the sun becomes increasingly prevalent, especially in the subsequent months, with July peaking at an impressive 80%. Thus, March serves as a delightful gateway into a brighter, sunnier phase in São João del Rei's climatic calendar.
In March, São João del Rei enjoys a consistent 12 hours of daylight, mirroring February's duration. As the seasons transition, daylight hours gradually begin to decline from the peak of 13 hours in January. This trend continues into April, where daylight reduces to 11 hours, marking the start of a gradual shift toward shorter days. The shift is notable, as it reflects the region's progression from the vigorous summer months into the milder autumn, with daylight diminishing gradually until the winter months of June and July, where sunlight dips to its lowest at 10 hours. Nonetheless, as the year progresses towards late spring and early summer, daylight begins to lengthen again, bringing vitality back to the landscape.
March in São João del Rei brings a gentle touch of wind, with an average speed of 2.1 m/s (5 mph), slightly lower than the preceding months. This consistent breeze complements the city's transitional period as it moves toward the vibrant, gustier days of April, when the winds pick up to 2.5 m/s (6 mph). Interestingly, the wind patterns here show a trend of increasing speeds as the year progresses, peaking in the later months with September and October reaching around 3.0 m/s (7 mph) and beyond. Thus, while March offers a mild moment in this progression, it sets the stage for the more spirited winds that follow, creating a dynamic atmosphere as the seasons shift.
Weather in Sao Joao del Rei varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Sao Joao del Rei, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between March and January, both months feature warm temperatures, with January showing a slightly higher minimum temperature of 16°C (62°F) compared to March's 12°C (55°F). The average temperatures remain similar, with January averaging 23°C (73°F) and March at 22°C (72°F). Both months experience maximum temperatures around 31°C (88°F), although January is marginally warmer, reaching up to 89°F.
Precipitation is a notable factor, with March receiving 102 mm (4.0 in) over 15 days and January experiencing a slightly higher total of 122 mm (4.8 in) across 14 days. Humidity levels are relatively high in both months, but March is slightly more humid at 87%, compared to January’s 83%. For more detailed insights on January weather, you can check this link: Sao Joao del Rei weather in January.
March weather shows a slight decrease in minimum temperatures compared to February, with lows of 12°C (55°F) versus 15°C (59°F) in February. Both months have the same average temperature of 22°C (72°F), but March experiences warmer maximum temperatures, peaking at 31°C (88°F) compared to February's maximum of 33°C (91°F). Precipitation is notably lower in March, with 102 mm (4.0 in) over 15 days, while February sees higher rainfall of 163 mm (6.4 in) across 17 days. Humidity remains fairly consistent between the two months, with March at 87% and February slightly lower at 85%. For a more detailed look at the specific conditions, check out Sao Joao del Rei weather in February.
March and April exhibit distinct weather patterns, reflecting a transition into the cooler months. In March, temperatures range from a minimum of 12°C (55°F) to a maximum of 31°C (88°F), with an average of 22°C (72°F). The month is characterized by significant rainfall, totaling 102 mm (4.0 in) over 15 days, and high humidity at 87%. In contrast, April sees slightly cooler temperatures, with a minimum of 10°C (50°F), an average of 20°C (69°F), and a maximum of 30°C (86°F). Precipitation decreases sharply to 42 mm (1.7 in) spread over only 7 days, while humidity remains just a tad lower at 86%. For more detailed insights on the weather in April, check out Sao Joao del Rei weather in April.
The weather in March is generally warmer and more humid than in May, with temperatures ranging from a minimum of 12°C (55°F) to a maximum of 31°C (88°F) and an average of 22°C (72°F). In contrast, May experiences cooler temperatures, peaking at 28°C (83°F) with a minimum of 5°C (42°F) and an average of 18°C (65°F). March also sees significantly more precipitation, with 102 mm (4.0 in) falling over 15 days, compared to May's relatively dry conditions with only 25 mm (1.0 in) over 4 days. The humidity is slightly higher in March at 87%, while May has a lower humidity level of 82%. For more detailed information, you can refer to this link: Sao Joao del Rei weather in May.
In comparing the weather between March and June, March experiences significantly warmer temperatures, with an average high of 31°C (88°F) compared to June's maximum of 27°C (81°F). Additionally, March is characterized by higher humidity levels at 87% and greater precipitation, with about 102 mm (4.0 in) falling over 15 days, while June has a much drier climate, receiving only 12 mm (0.5 in) over just 2 days and a humidity of 82%. For more detailed information, you can check Sao Joao del Rei weather in June.
When comparing the weather of March and July, it's clear that March is significantly warmer and wetter. In March, temperatures range from a minimum of 12°C (55°F) to a maximum of 31°C (88°F), with an average of 22°C (72°F). The month also sees considerable rainfall, with 102 mm (4.0 in) spread over 15 days and high humidity levels at 87%. In contrast, July experiences much cooler temperatures, with a minimum of 5°C (42°F) and a maximum of 27°C (80°F), averaging only 16°C (62°F). Additionally, July features minimal precipitation at just 5 mm (0.2 in) and no rainy days, along with a lower humidity of 77%. For more details, you can refer to Sao Joao del Rei weather in July.
When comparing the weather in March and August, one can observe significant differences in both temperature and precipitation. March enjoys warmer average temperatures, ranging from a minimum of 12°C (55°F) to a high of 31°C (88°F), while August presents a cooler climate with minimum temperatures dipping to 6°C (43°F) and an average of 17°C (64°F). Additionally, March experiences higher rainfall, with 102 mm (4.0 in) over approximately 15 days, contrasting sharply with August's lighter precipitation of just 21 mm (0.8 in) over 3 days. The humidity also plays a role; March is typically more humid at 87%, compared to August’s 72%. For more detailed insights into the weather conditions in August, you can refer to Sao Joao del Rei weather in August.
March and September present distinct weather characteristics. In March, temperatures range from a minimum of 12°C (55°F) to a maximum of 31°C (88°F), with an average of around 22°C (72°F). This month experiences significant rainfall, totaling 102 mm (4.0 in) across 15 days, and high humidity levels averaging 87%. In contrast, September is generally cooler, with minimum temperatures of 10°C (50°F) and maximums reaching 33°C (92°F), resulting in an average temperature of 21°C (69°F). This month has substantially less precipitation, at only 37 mm (1.4 in) over 4 days, accompanied by a lower humidity level of 63%. For more detailed information, check out Sao Joao del Rei weather in September.
When comparing the weather in March and October, we see some notable differences. March generally experiences a wider temperature range, with a minimum of 12°C (55°F) and a maximum of 31°C (88°F), leading to an average of 22°C (72°F). However, it also brings higher humidity levels at 87% and a significant amount of precipitation, measuring 102 mm (4.0 in) over 15 days. In contrast, October features slightly cooler conditions, with a minimum of 11°C (52°F) and a maximum of 34°C (93°F), while maintaining a similar average of 21°C (70°F). October also has slightly higher precipitation at 109 mm (4.3 in) but with less humidity at 48%. For a more in-depth look at October conditions, you can check out Sao Joao del Rei weather in October.
March and November exhibit similar maximum temperatures, both reaching up to 31°C (88°F), but there are notable differences in other weather characteristics. In March, the minimum temperature averages at a comfortable 12°C (55°F) and the month experiences higher humidity at 87%, with 102 mm (4.0 in) of precipitation spread over 15 days. Conversely, November has slightly cooler minimum temperatures averaging 10°C (51°F) and lower humidity at 61%. However, November sees a significant increase in rainfall, totaling 169 mm (6.7 in) across 19 days. For more detailed information about the weather in November, you can visit Sao Joao del Rei weather in November.
When comparing the weather in March and December, both months showcase similar average temperatures, hovering around 22°C (72°F). However, March tends to feel a bit more humid, with humidity levels at 87% compared to December's 68%. The rainfall also significantly differs; March experiences 102 mm (4.0 in) of precipitation over 15 days, while December sees a higher total of 211 mm (8.3 in) spread across 20 days. This increased precipitation in December can lead to a wetter atmosphere overall. For a more detailed look at December weather patterns, you can check Sao Joao del Rei weather in December.
March in São João del Rei ushers in a shift towards warmer temperatures, making it a notable departure from the cooler months of the year. As the days become increasingly humid, the combination of warmth and occasional rainfall—averaging about 15 days of precipitation—creates a vibrant, lush landscape. With temperatures peaking around 31°C (88°F) and a high humidity of 87%, it's a month where the lush greenery thrives, offering a beautiful backdrop for any activities enjoyed during this transitional period. For those looking to explore the subtleties of this charming destination's climate, additional insights can be found at Sao Joao del Rei Climate.