Last updated: August 22, 2025
In December, the average temperature in San Cayetano, Argentina hovers around 20°C (68°F), offering a pleasant climate for visitors. However, be prepared for a temperature range that can dip as low as 3°C (38°F) and soar to a sizzling 36°C (98°F). With an average of 3.1 inches (78 mm) of precipitation spread over 9 days, you might encounter some rain. Remember, the average humidity sits at a comfortable 70%, adding to the region's charm.
In December in San Cayetano, the average temperature is 20°C (68°F). Maximum temperatures can reach 36°C (98°F), while minimums can drop to as low as 3°C (38°F). Be prepared for a range of weather conditions when traveling to San Cayetano during this time.
In San Cayetano in December, the precipitation amount is 78 mm (3.1 in) over the course of 9 days.
In San Cayetano in December, humidity is 70%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace that can make traveling a bit heavy and sticky but also invigorating, as the moisture in the air invigorates your skin and keeps you refreshed during your adventures.
In San Cayetano 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 San Cayetano, you can check here.
UV Risk Categories
Weather in San Cayetano varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Cayetano, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 22°C (72°F) | 69 mm (2.7 inches) | 71% | extreme |
| February Weather | 20°C (69°F) | 82 mm (3.2 inches) | 76% | extreme |
| March Weather | 18°C (65°F) | 72 mm (2.8 inches) | 76% | very high |
| April Weather | 16°C (60°F) | 100 mm (3.9 inches) | 79% | high |
| May Weather | 11°C (52°F) | 47 mm (1.8 inches) | 80% | moderate |
| June Weather | 9°C (48°F) | 43 mm (1.7 inches) | 79% | moderate |
| July Weather | 8°C (46°F) | 50 mm (2.0 inches) | 74% | moderate |
| August Weather | 9°C (49°F) | 33 mm (1.3 inches) | 75% | moderate |
| September Weather | 11°C (52°F) | 58 mm (2.3 inches) | 79% | high |
| October Weather | 13°C (57°F) | 74 mm (2.9 inches) | 76% | very high |
| November Weather | 17°C (63°F) | 81 mm (3.2 inches) | 74% | extreme |
| December Weather | 20°C (68°F) | 78 mm (3.1 inches) | 70% | extreme |