Last updated: August 22, 2025
In May, the average temperature in Santa Helena, Brazil hovers around 27°C (80°F), providing a warm and inviting climate. Throughout the month, temperatures can dip to a minimum of 22°C (73°F), while reaching a maximum of 33°C (92°F). With precipitation measuring 251 mm (9.9 in) over 27 days, expect some rainy spells, contributing to an average humidity level of 91%. Perfect for those who enjoy a lush, tropical ambiance!
In May in Santa Helena, the average temperature is 27°C (80°F). The maximum can reach 33°C (92°F) and the minimum can be as low as 22°C (73°F). This pleasant climate makes it an ideal time for travelers to explore the beautiful surroundings and enjoy outdoor activities.
In Santa Helena in May, the precipitation amount is 251 mm (9.9 in) over the course of 27 days.
In Santa Helena in May, humidity is 91%. With an average temperature of 27°C (80°F), this humidity feels like a warm, heavy blanket that wraps around you, making outdoor exploration more challenging while also intensifying the heat and sweat, turning every adventure into a test of endurance.
In Santa Helena in May, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Santa Helena.
UV Risk Categories
Weather in Santa Helena varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Santa Helena, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 27°C (80°F) | 186 mm (7.3 inches) | 92% | extreme |
| February Weather | 26°C (80°F) | 371 mm (14.6 inches) | 90% | extreme |
| March Weather | 26°C (79°F) | 413 mm (16.3 inches) | 88% | extreme |
| April Weather | 26°C (80°F) | 416 mm (16.4 inches) | 93% | extreme |
| May Weather | 27°C (80°F) | 251 mm (9.9 inches) | 91% | extreme |
| June Weather | 27°C (80°F) | 140 mm (5.5 inches) | 84% | extreme |
| July Weather | 26°C (80°F) | 88 mm (3.5 inches) | 74% | extreme |
| August Weather | 27°C (80°F) | 46 mm (1.8 inches) | 61% | extreme |
| September Weather | 27°C (82°F) | 26 mm (1.0 inches) | 55% | extreme |
| October Weather | 28°C (83°F) | 31 mm (1.2 inches) | 56% | extreme |
| November Weather | 28°C (83°F) | 57 mm (2.2 inches) | 61% | extreme |
| December Weather | 28°C (82°F) | 102 mm (4.0 inches) | 82% | extreme |