Belize City weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Good
Best time to visit: February – May
What is the weather like in Belize City in December?
In December, Belize City is warm: daytime highs average 26 °C, and even at night it stays warm at around 22 °C. The sea averages 27.1 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 18 days, totalling 99 mm. The air is often humid and muggy. All in all, December is a good month for a holiday in Belize City.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 70 | 70 | 73 |
| Day | 27° | 26° | 26° |
| Night | 23° | 22° | 22° |
| Sea | 28° | 27° | 27° |
| Sun | 6 h | 6 h | 6 h |
| Rain days | 19 | 18 | 16 |
More details for December
- Daylight
- 11 h 5 min06:15 – 17:21
- UV index
- 6 · highclear sky, noon (estimate)All months
- Muggy days
- 28 daysdew point 18 °C or moreAll months
- Wind
- 17 km/haverage daily peakAll months
- Cloud cover
- 51 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC−6America/Belize
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %50 %
- Few rainy daysweight 20 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in December
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Belize City in December: quick answers
Is Belize City hot in December?
Warm rather than hot: in December, daytime highs in Belize City average 26 °C and nights cool to about 22 °C.
Can you swim in Belize City in December?
Yes. In December the sea averages 27.1 °C – lovely and warm for swimming.
Does it rain much in Belize City in December?
It rains often – on about 18 days, adding up to 99 mm.
Belize City month by month
The whole year in Belize CityAll destinations: BelizeWhere to go in DecemberSea temperature in December
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences