Last updated: August 22, 2025
In Sao Marcos, Brazil, the average temperature in April hovers around 17°C (63°F), making it a pleasantly mild time of year. However, temperatures can fluctuate, with a minimum of 1°C (34°F) and a delightful maximum of 28°C (83°F). Rain is not uncommon, with an average precipitation of 90 mm (3.6 in) spread over 10 days, and expect humidity levels to be high at 83%, adding to the richness of the atmosphere.
In April in Sao Marcos, the average temperature is 17°C (63°F). The maximum can reach 28°C (83°F), while the minimum can drop as low as 1°C (34°F). This range makes it a great time for travelers to enjoy a variety of outdoor activities, so be sure to pack both warm and light clothing.
In Sao Marcos in April, the precipitation amount is 90 mm (3.6 in) spread over the course of 10 days.
In Sao Marcos in April humidity is 83%. With an average temperature of 17°C (63°F), this humidity feels like a warm, sticky embrace that can make traveling uncomfortable, as the air clings to the skin and creates a heavy atmosphere, often leading to fatigue and a longing for the cooling relief of shade or air conditioning.
In Sao Marcos in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Sao Marcos.
UV Risk Categories
Weather in Sao Marcos varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Sao Marcos, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 21°C (71°F) | 158 mm (6.2 inches) | 80% | extreme |
| February Weather | 20°C (69°F) | 144 mm (5.7 inches) | 77% | extreme |
| March Weather | 19°C (67°F) | 124 mm (4.9 inches) | 79% | extreme |
| April Weather | 17°C (63°F) | 90 mm (3.6 inches) | 83% | very high |
| May Weather | 14°C (57°F) | 178 mm (7.0 inches) | 88% | high |
| June Weather | 13°C (55°F) | 125 mm (4.9 inches) | 86% | moderate |
| July Weather | 12°C (53°F) | 134 mm (5.3 inches) | 82% | moderate |
| August Weather | 13°C (56°F) | 78 mm (3.1 inches) | 77% | high |
| September Weather | 16°C (61°F) | 156 mm (6.1 inches) | 80% | very high |
| October Weather | 17°C (63°F) | 142 mm (5.6 inches) | 84% | extreme |
| November Weather | 18°C (65°F) | 139 mm (5.5 inches) | 83% | extreme |
| December Weather | 20°C (69°F) | 98 mm (3.8 inches) | 87% | extreme |