Last updated: August 22, 2025
In December, the average temperature in Belmopan, Belize hovers around 24°C (75°F). Expect a minimum of 12°C (54°F) and a maximum of 32°C (90°F), making for quite the range. However, be prepared for some rain, as 64 mm (2.5 in) of precipitation is likely over 16 days. With an average humidity of 87%, the air is bound to feel quite humid—a perfect time to embrace the local culture and enjoy some refreshing drinks!
In December in Belmopan, the average temperature is 24°C (75°F). Maximums can reach 32°C (90°F), and minimums can dip as low as 12°C (54°F). This makes Belmopan an ideal destination for travelers seeking pleasant weather and a mix of warm and cool conditions.
In Belmopan in December, the precipitation amount is 64 mm (2.5 in) spread over 16 days.
In Belmopan in December, humidity is 87%. With an average temperature of 24°C (75°F), this humidity feels like a warm, sticky embrace that clings to your skin, making outdoor activities feel heavier and more exhausting, and the air thickens, leaving you longing for shade and refreshing breezes as you navigate your adventures.
In Belmopan 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 Belmopan.
UV Risk Categories
Weather in Belmopan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Belmopan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 23°C (74°F) | 57 mm (2.3 inches) | 85% | very high |
| February Weather | 25°C (77°F) | 50 mm (2.0 inches) | 78% | extreme |
| March Weather | 25°C (78°F) | 41 mm (1.6 inches) | 67% | extreme |
| April Weather | 27°C (82°F) | 47 mm (1.8 inches) | 62% | extreme |
| May Weather | 28°C (83°F) | 87 mm (3.4 inches) | 62% | extreme |
| June Weather | 28°C (82°F) | 178 mm (7.0 inches) | 63% | extreme |
| July Weather | 28°C (82°F) | 118 mm (4.6 inches) | 66% | extreme |
| August Weather | 28°C (82°F) | 130 mm (5.1 inches) | 73% | extreme |
| September Weather | 28°C (82°F) | 128 mm (5.0 inches) | 82% | extreme |
| October Weather | 27°C (80°F) | 190 mm (7.5 inches) | 86% | extreme |
| November Weather | 25°C (76°F) | 139 mm (5.5 inches) | 87% | very high |
| December Weather | 24°C (75°F) | 64 mm (2.5 inches) | 87% | very high |