Last updated: August 22, 2025
In Colonia San Bartolome, Argentina, the average temperature in December hovers around 25°C (77°F), offering a warm climate perfect for outdoor activities. Temperatures can range from a refreshing 10°C (50°F) to a scorching 41°C (105°F), so be prepared for variance. During this month, expect around 109 mm (4.3 in) of precipitation spread over 8 days, while the average humidity sits comfortably at 53%.
In December, in Colonia San Bartolome, the average temperature is 25°C (77°F), with maximums reaching as high as 41°C (105°F) and minimums dropping to 10°C (50°F). This varied climate makes Colonia San Bartolome a perfect destination for travelers seeking both warm days and cooler nights.
In Colonia San Bartolome in December, the total precipitation amount is 109 mm (4.3 in) spread over 8 days.
In Colonia San Bartolome in December, humidity is 53%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace, making travel pleasantly enjoyable but slightly sticky, prompting you to seek shade and stay hydrated as you explore the sights.
In Colonia San Bartolome 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 Colonia San Bartolome, you can check here.
UV Risk Categories
Weather in Colonia San Bartolome varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Colonia San Bartolome, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 25°C (78°F) | 99 mm (3.9 inches) | 48% | extreme |
| February Weather | 24°C (75°F) | 76 mm (3.0 inches) | 54% | extreme |
| March Weather | 22°C (72°F) | 78 mm (3.1 inches) | 59% | extreme |
| April Weather | 19°C (67°F) | 94 mm (3.7 inches) | 76% | very high |
| May Weather | 15°C (59°F) | 54 mm (2.1 inches) | 82% | high |
| June Weather | 12°C (54°F) | 16 mm (0.6 inches) | 74% | moderate |
| July Weather | 11°C (53°F) | 14 mm (0.6 inches) | 55% | moderate |
| August Weather | 14°C (57°F) | 10 mm (0.4 inches) | 48% | high |
| September Weather | 17°C (63°F) | 30 mm (1.2 inches) | 53% | very high |
| October Weather | 20°C (68°F) | 70 mm (2.7 inches) | 45% | extreme |
| November Weather | 23°C (74°F) | 96 mm (3.8 inches) | 53% | extreme |
| December Weather | 25°C (77°F) | 109 mm (4.3 inches) | 53% | extreme |