Last updated: August 22, 2025
In May in Santa Maria da Boa Vista, Brazil, the average temperature hovers around 27°C (80°F). You can expect temperatures to range from a minimum of 19°C (66°F) to a maximum of 37°C (99°F). Precipitation is mild, with 20 mm (0.8 in) expected over 6 days, while the average humidity stays high at a remarkable 90%.
In May in Santa Maria da Boa Vista, the average temperature is 27°C (80°F). Maximum temperatures can reach 37°C (99°F), while the minimum can drop as low as 19°C (66°F). It's advisable to pack light clothing for daytime outings and a light jacket for cooler evenings.
In Santa Maria da Boa Vista in May, the precipitation amount is 20 mm (0.8 in) over the course of 6 days.
In Santa Maria da Boa Vista in May humidity is 90%. With an average temperature of 27°C (80°F), this humidity feels like a warm embrace that can quickly become overwhelming for travelers. The sticky air clings to your skin, making even the simplest activities feel exhausting and requiring frequent breaks in the shade to stay comfortable.
In Santa Maria da Boa Vista in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Santa Maria da Boa Vista.
UV Risk Categories
Weather in Santa Maria da Boa Vista varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Santa Maria da Boa Vista, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 29°C (84°F) | 22 mm (0.9 inches) | 84% | extreme |
| February Weather | 28°C (83°F) | 73 mm (2.9 inches) | 89% | extreme |
| March Weather | 28°C (83°F) | 86 mm (3.4 inches) | 91% | extreme |
| April Weather | 28°C (82°F) | 58 mm (2.3 inches) | 92% | extreme |
| May Weather | 27°C (80°F) | 20 mm (0.8 inches) | 90% | extreme |
| June Weather | 26°C (78°F) | 13 mm (0.5 inches) | 87% | extreme |
| July Weather | 25°C (77°F) | 11 mm (0.4 inches) | 79% | extreme |
| August Weather | 26°C (79°F) | 5 mm (0.2 inches) | 74% | extreme |
| September Weather | 27°C (81°F) | 5 mm (0.2 inches) | 68% | extreme |
| October Weather | 29°C (84°F) | 5 mm (0.2 inches) | 62% | extreme |
| November Weather | 29°C (85°F) | 31 mm (1.2 inches) | 55% | extreme |
| December Weather | 29°C (84°F) | 36 mm (1.4 inches) | 58% | extreme |