Last updated: August 23, 2025
In December, the average temperature in San Carlos, Colombia hovers around 22°C (71°F), with nighttime lows of 15°C (59°F) and daytime highs reaching up to 29°C (85°F). Expect some rain, as 135 mm (5.3 in) of precipitation spreads across 23 days, contributing to a high average humidity of 85%. Prepare for a cozy and damp atmosphere!
In December in San Carlos, the average temperature is 22°C (71°F). The maximum can reach 29°C (85°F), while the minimum can drop as low as 15°C (59°F). This makes it an ideal time to explore San Carlos, as the comfortable weather is perfect for outdoor activities and sightseeing.
In San Carlos in December, the precipitation amount is 135 mm (5.3 in) over a period of 23 days.
In San Carlos in December, humidity is 85%. With an average temperature of 22°C (71°F), this humidity feels like a warm, enveloping blanket that can quickly lead to discomfort, making outdoor activities feel more taxing and sweat-inducing, so travelers should stay hydrated and plan for frequent breaks in shaded or air-conditioned areas.
In San Carlos in December, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in San Carlos.
UV Risk Categories
Weather in San Carlos varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Carlos, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 22°C (71°F) | 94 mm (3.7 inches) | 74% | extreme |
| February Weather | 22°C (72°F) | 96 mm (3.8 inches) | 68% | extreme |
| March Weather | 22°C (72°F) | 225 mm (8.9 inches) | 65% | extreme |
| April Weather | 22°C (72°F) | 260 mm (10.2 inches) | 73% | extreme |
| May Weather | 22°C (72°F) | 283 mm (11.1 inches) | 88% | extreme |
| June Weather | 22°C (73°F) | 152 mm (6.0 inches) | 89% | extreme |
| July Weather | 23°C (74°F) | 98 mm (3.9 inches) | 89% | extreme |
| August Weather | 23°C (73°F) | 128 mm (5.1 inches) | 87% | extreme |
| September Weather | 22°C (73°F) | 208 mm (8.2 inches) | 88% | extreme |
| October Weather | 22°C (71°F) | 285 mm (11.2 inches) | 89% | extreme |
| November Weather | 21°C (71°F) | 379 mm (14.9 inches) | 90% | extreme |
| December Weather | 22°C (71°F) | 135 mm (5.3 inches) | 85% | extreme |