Last updated: August 22, 2025
In Santa Isabel, Argentina, the average temperature in December hovers around 26°C (78°F), creating a warm atmosphere perfect for outdoor adventures. Be prepared for temperature fluctuations, as it can range from a cool 11°C (53°F) to a scorching 41°C (107°F). During this month, expect 32 mm (1.3 in) of precipitation over 5 days, and enjoy a relatively low average humidity of 36%.
In December in Santa Isabel, the average temperature is 26°C (78°F), with maximums reaching up to 41°C (107°F) and minimums dropping as low as 11°C (53°F). Be sure to pack lightweight clothing for the heat as well as a light jacket for cooler evenings when traveling.
In Santa Isabel in December, the precipitation amount is 32 mm (1.3 in) over the course of 5 days.
In Santa Isabel in December, humidity is 36%. With an average temperature of 26°C (78°F), this humidity feels like a comfortable and refreshing breeze, making it ideal for traveling.
In Santa Isabel 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 Isabel, you can check here.
UV Risk Categories
Weather in Santa Isabel varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Santa Isabel, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 27°C (81°F) | 21 mm (0.8 inches) | 43% | extreme |
| February Weather | 26°C (78°F) | 29 mm (1.2 inches) | 45% | extreme |
| March Weather | 23°C (73°F) | 29 mm (1.2 inches) | 54% | very high |
| April Weather | 18°C (65°F) | 35 mm (1.4 inches) | 67% | high |
| May Weather | 13°C (56°F) | 37 mm (1.4 inches) | 68% | moderate |
| June Weather | 9°C (49°F) | 16 mm (0.6 inches) | 62% | moderate |
| July Weather | 9°C (48°F) | 20 mm (0.8 inches) | 64% | moderate |
| August Weather | 12°C (53°F) | 13 mm (0.5 inches) | 58% | moderate |
| September Weather | 15°C (59°F) | 30 mm (1.2 inches) | 54% | high |
| October Weather | 18°C (65°F) | 22 mm (0.9 inches) | 45% | very high |
| November Weather | 22°C (72°F) | 37 mm (1.4 inches) | 41% | extreme |
| December Weather | 26°C (78°F) | 32 mm (1.3 inches) | 36% | extreme |