Monthly climate averages for Belmopan. Based on 10-year ERA5 reanalysis data.
Am Tropical Monsoon
Climate OverviewBelize in December has hot conditions, with highs reaching 28.1°C (83°F) and afternoons the warmest part of the day. Rain falls on about 19 days this month, totalling around 96 mm.
This month falls at the beginning of Winter.
Daytime temperatures around 28°C (83°F) are ideal for full-day outdoor exploration. Keep afternoons flexible as tropical showers are common — they typically clear within an hour.
Rain most often builds later in the day, so mornings are typically the driest window and afternoon showers are more likely.
Weather conditions this month are among the best of the year, making it a popular time for outdoor activities.
Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces. A waterproof jacket and shoes are non-negotiable — showers are frequent.
| Month | Temp | Feels Like | Rain | Sun | Humidity | Status | Details |
|---|---|---|---|---|---|---|---|
| January best | 29°C / 21°C | 33°C / 24°C | 16days (77 mm) Wet | 9.1h Good | 87% Very Muggy | Good | View Details |
| February best | 30°C / 21°C | 34°C / 24°C | 12days (49 mm) Wet | 10.1h Excellent | 82% Humid | Good | View Details |
| March best | 32°C / 23°C | 36°C / 26°C | 10days (45 mm) Wet | 11.2h Excellent | 79% Humid | Fair | View Details |
| April | 33°C / 24°C | 38°C / 28°C | 9days (38 mm) Wet | 11.6h Excellent | 76% Humid | Poor | View Details |
| May | 34°C / 25°C | 40°C / 30°C | 12days (66 mm) Wet | 11.3h Excellent | 77% Humid | Poor | View Details |
| June | 33°C / 25°C | 39°C / 30°C | 24days (167 mm) Wet | 9.6h Good | 82% Humid | Wet | View Details |
| July | 32°C / 25°C | 38°C / 30°C | 25days (129 mm) Wet | 10.6h Excellent | 83% Humid | Wet | View Details |
| August | 33°C / 24°C | 39°C / 30°C | 25days (139 mm) Wet | 10.5h Excellent | 83% Humid | Wet | View Details |
| September | 33°C / 24°C | 39°C / 30°C | 24days (152 mm) Wet | 10.3h Excellent | 84% Humid | Wet | View Details |
| October | 32°C / 24°C | 38°C / 28°C | 19days (137 mm) Wet | 9.6h Good | 83% Humid | Wet | View Details |
| November | 29°C / 22°C | 34°C / 26°C | 19days (222 mm) Wet | 8.5h Good | 87% Very Muggy | Wet | View Details |
| December best | 28°C / 21°C | 33°C / 24°C | 19days (96 mm) Wet | 8.8h Good | 88% Very Muggy | Wet | View Details |
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