December · Belize
Best time to visit Belmopan in December Weather, crowds & prices
Weather in Belmopan in December
Average temperature 23°C, 178 mm of rain, about 10 days with 6+ hours of sunshine and 92% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
4.5/10
Ranked #6 of 12 months
- Avg temp
- 23°C
- Rainfall
- 178 mm
- Humidity
- 92%
- Days with 6h+ sun
- 10
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
December in Belmopan scores 4.5/10 for sightseeing and cultural travel - an above-average month (#6 of 12). Expect around 23°C, 178 mm of rain, and roughly 10 days with 6+ hours of sunshine this month.
Belmopan is Belize’s inland capital-planned government core and a practical stop between coast and Cayo. Best window: the drier months outside peak monsoon.
December in Belmopan — off-season conditions
December averages 23°C (74°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
At 178 mm this is a genuinely wet month: about 10 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 4.5/10 here, 6th of 12 months, against 6.8/10 in the destination's best month.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
Plan for mid-season pricing, with crowds are moderate.
Flexible dates? February scores 2.3 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Belmopan in December?
- In December, Belmopan averages 23°C, 178 mm of rain, and about 10 days with 6+ hours of sunshine. Its climate-comfort score is 4.5/10.
- Is December a good time to visit Belmopan?
- December earns a 4.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Belmopan in December?
- Expect about 178 mm of rain in December. Average humidity is 92% and there are about 10 days with 6+ hours of sunshine.
Curated in Belmopan
Tickets & experiences
Things to do in Belmopan
Belmopan, Belize. Live activities and tours from GetYourGuide, matched to this destination.

