Last updated: August 23, 2025
In San Luis, Colombia, the average temperature in December hovers around 26°C (78°F), providing a warm and inviting atmosphere. Expect minimums to dip to 18°C (65°F) and highs to reach up to 35°C (95°F). During this month, precipitation totals around 38 mm (1.5 in), typically spread over 6 days, while the average humidity sits comfortably at 83%. Enjoy the warmth while staying prepared for those occasional rainy spells!
In December in San Luis, the average temperature is 26°C (78°F), with maximums reaching up to 35°C (95°F) and minimums as low as 18°C (65°F). This pleasant climate makes San Luis an ideal destination for travelers seeking warm weather and enjoyable outdoor activities.
In San Luis in December, the total precipitation amount is 38 mm (1.5 in) spread over 6 days.
In San Luis in December, humidity is 83%. With an average temperature of 26°C (78°F), this humidity feels like a heavy blanket wrapping around you, making travel a sticky affair as sweat lingers on your skin and every step requires extra effort.
In San Luis 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 Luis.
UV Risk Categories
Weather in San Luis varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Luis, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 26°C (78°F) | 38 mm (1.5 inches) | 78% | extreme |
| February Weather | 27°C (80°F) | 38 mm (1.5 inches) | 77% | extreme |
| March Weather | 25°C (78°F) | 93 mm (3.7 inches) | 80% | extreme |
| April Weather | 25°C (77°F) | 140 mm (5.5 inches) | 83% | extreme |
| May Weather | 24°C (76°F) | 211 mm (8.3 inches) | 87% | extreme |
| June Weather | 24°C (76°F) | 141 mm (5.6 inches) | 87% | extreme |
| July Weather | 25°C (77°F) | 85 mm (3.3 inches) | 85% | extreme |
| August Weather | 26°C (78°F) | 63 mm (2.5 inches) | 80% | extreme |
| September Weather | 26°C (79°F) | 32 mm (1.3 inches) | 80% | extreme |
| October Weather | 25°C (77°F) | 110 mm (4.3 inches) | 85% | extreme |
| November Weather | 25°C (76°F) | 93 mm (3.7 inches) | 87% | extreme |
| December Weather | 26°C (78°F) | 38 mm (1.5 inches) | 83% | extreme |