Last updated: August 22, 2025
In San Narciso, Belize, the average temperature in December hovers around 24°C (76°F), offering a comfortable climate for outdoor activities. However, temperatures can vary widely, with a minimum of 12°C (54°F) and a peak of 33°C (91°F). Expect about 53 mm (2.1 in) of precipitation spread over 14 days, contributing to an average humidity of 88%, ensuring a lush and vibrant atmosphere throughout the month.
In December, in San Narciso, the average temperature is 24°C (76°F). The maximum can reach 33°C (91°F) and the minimum can be as low as 12°C (54°F). This makes San Narciso a pleasant destination for travelers looking to enjoy mild weather and a variety of outdoor activities.
In San Narciso in December, the precipitation amount is 53 mm (2.1 in) over a period of 14 days.
In San Narciso in December humidity is 88%. With an average temperature of 24°C (76°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel like a gentle swim through the air, where every step is accompanied by a comforting yet slightly oppressive warmth.
In San Narciso 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 Narciso.
UV Risk Categories
Weather in San Narciso varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Narciso, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 24°C (75°F) | 55 mm (2.2 inches) | 85% | very high |
| February Weather | 26°C (78°F) | 29 mm (1.2 inches) | 80% | extreme |
| March Weather | 27°C (80°F) | 27 mm (1.1 inches) | 69% | extreme |
| April Weather | 28°C (83°F) | 35 mm (1.4 inches) | 64% | extreme |
| May Weather | 29°C (84°F) | 78 mm (3.1 inches) | 63% | extreme |
| June Weather | 28°C (83°F) | 239 mm (9.4 inches) | 62% | extreme |
| July Weather | 28°C (83°F) | 115 mm (4.5 inches) | 65% | extreme |
| August Weather | 28°C (84°F) | 150 mm (5.9 inches) | 78% | extreme |
| September Weather | 28°C (83°F) | 183 mm (7.2 inches) | 85% | extreme |
| October Weather | 27°C (81°F) | 226 mm (8.9 inches) | 87% | extreme |
| November Weather | 25°C (78°F) | 102 mm (4.0 inches) | 88% | very high |
| December Weather | 24°C (76°F) | 53 mm (2.1 inches) | 88% | very high |