Belize City weather in December
December in Belize City: warm, rainy, with clean air — fine if you can take 20 rainy days.
#4 of 12 months in Belize City · #397 of 897 destinations to visit in December · comfort 74/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Belize City in December
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Belize City climate normals — December
| Daytime high | 27°C / 80°F | 🌤 warm |
|---|---|---|
| Nighttime low | 23°C / 73°F | |
| Rainfall | 103 mm / 4 in | 🌧 rainy |
| Rainy days | 20 days | |
| Humidity | 86% | 💦 very humid |
| Dew point | 22°C / 71°F | |
| Sunshine | 9.3 h/day | |
| Daylight | 11.1 h | |
| Wind | 17 km/h / 11 mph | |
| Air quality (US AQI) | 37 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Belize City in December — FAQ
- Is December a good time to visit Belize City?
- December in Belize City: warm, rainy, with clean air — fine if you can take 20 rainy days. It ranks #4 of 12 months for Belize City on SeasonMap's comfort score (74/100).
- What is the weather like in Belize City in December?
- In December, Belize City averages a daily high of 26.7°C and a low of 22.7°C, with about 102.5 mm of rain over roughly 20.2 rainy days.
- What is the air quality in Belize City in December?
- Belize City has a mean US Air Quality Index of about 37 in December.