Last updated: August 23, 2025
In December, the average temperature in Saint-Louis du Sud, Haiti is a pleasant 26°C (79°F), with minimums dipping to 23°C (73°F) and maximums reaching up to 30°C (85°F). Expect 22 mm (0.9 in) of precipitation over 7 days, and enjoy an average humidity of 71% that adds to the comfortable climate.
In December in Saint-Louis du Sud, the average temperature is 26°C (79°F). The maximum can reach 30°C (85°F), while the minimum can be as low as 23°C (73°F). This pleasant and warm climate makes it an ideal destination for travelers seeking sunny days and outdoor adventures.
In Saint-Louis du Sud in December, the precipitation amount is 22 mm (0.9 in) over the course of 7 days.
In Saint-Louis du Sud in December, humidity is 71%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket wrapping around you, making travel somewhat stifling but offering a tropical ambiance that can be both invigorating and exhausting at the same time.
In Saint-Louis du Sud in December, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Saint-Louis du Sud.
UV Risk Categories
Weather in Saint-Louis du Sud varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Saint-Louis du Sud, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 25°C (78°F) | 19 mm (0.8 inches) | 65% | very high |
| February Weather | 26°C (78°F) | 20 mm (0.8 inches) | 63% | extreme |
| March Weather | 26°C (78°F) | 34 mm (1.4 inches) | 62% | extreme |
| April Weather | 26°C (79°F) | 50 mm (2.0 inches) | 62% | extreme |
| May Weather | 27°C (81°F) | 51 mm (2.0 inches) | 60% | extreme |
| June Weather | 28°C (82°F) | 37 mm (1.5 inches) | 61% | extreme |
| July Weather | 28°C (83°F) | 57 mm (2.2 inches) | 70% | extreme |
| August Weather | 28°C (83°F) | 91 mm (3.6 inches) | 76% | extreme |
| September Weather | 28°C (83°F) | 97 mm (3.8 inches) | 76% | extreme |
| October Weather | 27°C (81°F) | 111 mm (4.4 inches) | 76% | extreme |
| November Weather | 27°C (80°F) | 99 mm (3.9 inches) | 76% | very high |
| December Weather | 26°C (79°F) | 22 mm (0.9 inches) | 71% | very high |