Last updated: August 22, 2025
In Santa Maria, Brazil, the average temperature in January is a pleasant 25°C (77°F). However, be prepared for a range, as temperatures can dip to a cool 12°C (54°F) or soar up to a sweltering 38°C (101°F). During this month, expect around 143 mm (5.6 in) of precipitation spread over 12 days, with an average humidity of 74% keeping the air quite moist.
In January in Santa Maria, the average temperature is 25°C (77°F). Maximum temperatures can reach 38°C (101°F), while minimum temperatures can drop as low as 12°C (54°F). This weather makes Santa Maria an ideal destination for travelers seeking pleasant warm days and cooler evenings.
In Santa Maria in January, the total precipitation amount is 143 mm (5.6 in) over the course of 12 days.
In Santa Maria in January humidity is 74%. With an average temperature of 25°C (77°F), this humidity feels like a warm, muggy blanket wrapping around you, making travel a bit more challenging as you find yourself sticky and in need of frequent breaks to hydrate and cool down.
In Santa Maria in January, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Santa Maria.
UV Risk Categories
Weather in Santa Maria varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Santa Maria, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 25°C (77°F) | 143 mm (5.6 inches) | 74% | extreme |
| February Weather | 24°C (75°F) | 107 mm (4.2 inches) | 73% | extreme |
| March Weather | 23°C (73°F) | 116 mm (4.6 inches) | 73% | extreme |
| April Weather | 20°C (69°F) | 79 mm (3.1 inches) | 81% | very high |
| May Weather | 16°C (61°F) | 200 mm (7.9 inches) | 87% | high |
| June Weather | 15°C (59°F) | 120 mm (4.7 inches) | 84% | moderate |
| July Weather | 14°C (57°F) | 106 mm (4.2 inches) | 80% | moderate |
| August Weather | 15°C (60°F) | 103 mm (4.1 inches) | 71% | high |
| September Weather | 17°C (64°F) | 148 mm (5.8 inches) | 74% | very high |
| October Weather | 19°C (67°F) | 168 mm (6.6 inches) | 77% | extreme |
| November Weather | 22°C (71°F) | 137 mm (5.4 inches) | 77% | extreme |
| December Weather | 24°C (76°F) | 72 mm (2.8 inches) | 85% | extreme |