Last updated: August 23, 2025
In San Antonio del Sur, Cuba, the average temperature in December is a pleasant 25°C (78°F), with minimums dipping to 22°C (72°F) and a maximum reaching up to 29°C (85°F). During this time, you can expect about 27 mm (1.1 in) of precipitation spread over 8 days, and an average humidity level of 71%—perfect for enjoying the balmy weather!
In December in San Antonio del Sur, the average temperature is 25°C (78°F). Maximums can reach 29°C (85°F), and minimums can be as low as 22°C (72°F). This mild weather makes it an ideal time for traveling and enjoying outdoor activities.
In San Antonio del Sur in December, the total precipitation amount is 27 mm (1.1 in) distributed over 8 days.
In San Antonio del Sur in December humidity is 71%. With an average temperature of 25°C (78°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities delightful yet slightly weighty, perfect for leisurely strolls but calling for plenty of hydration.
In San Antonio del Sur 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 San Antonio del Sur.
UV Risk Categories
Weather in San Antonio del Sur varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Antonio del Sur, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 24°C (76°F) | 27 mm (1.1 inches) | 65% | very high |
| February Weather | 25°C (76°F) | 16 mm (0.6 inches) | 63% | extreme |
| March Weather | 24°C (76°F) | 25 mm (1.0 inches) | 62% | extreme |
| April Weather | 25°C (78°F) | 41 mm (1.6 inches) | 62% | extreme |
| May Weather | 27°C (80°F) | 105 mm (4.1 inches) | 60% | extreme |
| June Weather | 27°C (82°F) | 42 mm (1.6 inches) | 61% | extreme |
| July Weather | 28°C (82°F) | 44 mm (1.7 inches) | 70% | extreme |
| August Weather | 28°C (83°F) | 65 mm (2.6 inches) | 76% | extreme |
| September Weather | 28°C (82°F) | 95 mm (3.8 inches) | 76% | extreme |
| October Weather | 27°C (81°F) | 77 mm (3.0 inches) | 76% | extreme |
| November Weather | 26°C (79°F) | 84 mm (3.3 inches) | 76% | very high |
| December Weather | 25°C (78°F) | 27 mm (1.1 inches) | 71% | very high |