Last updated: August 31, 2025
In December, the average temperature in Santa Maria, Paraguay hovers around 26°C (79°F), with a minimum of 14°C (57°F) and peaks reaching up to 37°C (100°F). Expect about 98 mm (3.8 in) of precipitation over 9 days, contributing to an average humidity of 84%. Stay cool and prepared for the wet days ahead!
In December in Santa Maria, the average temperature is 26°C (79°F). Maximum temperatures can reach 37°C (100°F), while minimum temperatures can drop as low as 14°C (57°F). It's a great time for travelers to enjoy warm weather while still having cool evenings to relax.
In Santa Maria in December, the precipitation amount is 98 mm (3.8 in) occurring over the course of 9 days.
In Santa Maria in December, humidity is 84%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel sticky and exhausting, yet the vibrant atmosphere and lush surroundings offer a refreshing allure that invites exploration.
In Santa Maria in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Santa Maria, you can check here.
UV Risk Categories
Weather in Santa Maria varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Santa Maria, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 27°C (81°F) | 146 mm (5.7 inches) | 77% | extreme |
| February Weather | 26°C (80°F) | 94 mm (3.7 inches) | 71% | extreme |
| March Weather | 25°C (77°F) | 111 mm (4.4 inches) | 74% | extreme |
| April Weather | 22°C (72°F) | 118 mm (4.6 inches) | 82% | very high |
| May Weather | 19°C (66°F) | 201 mm (7.9 inches) | 82% | high |
| June Weather | 17°C (63°F) | 97 mm (3.8 inches) | 73% | moderate |
| July Weather | 16°C (61°F) | 79 mm (3.1 inches) | 67% | high |
| August Weather | 18°C (65°F) | 66 mm (2.6 inches) | 49% | high |
| September Weather | 21°C (70°F) | 90 mm (3.5 inches) | 54% | very high |
| October Weather | 23°C (73°F) | 180 mm (7.1 inches) | 58% | extreme |
| November Weather | 25°C (76°F) | 153 mm (6.0 inches) | 69% | extreme |
| December Weather | 26°C (79°F) | 98 mm (3.8 inches) | 84% | extreme |