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Belmopan Weather in December
In Belmopan, December brings high daytime temperatures around 29°C (84°F), with nights cooling to 20°C (68°F). Expect quite a bit of rainfall this month.
Rainfall in Belmopan in December
Historically, approximately 13 days this month are expected to have rain, averaging 84 mm (3.3 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Belmopan in December
The temperature in Belmopan in December is excellent. Daytime highs reach 29°C (84°F), with nights dropping to 20°C (68°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 20°C (68°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Belmopan in December
The city usually sees around 151 hours of sunlight, indicating a moderately sunny period.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Belmopan Temperature in December
Min Temperature
20°C (68°F)
Max Temperature
29°C (84°F)
Chance of Rain
43%
Precipitation
84 mm (3.3 in)
Rainy days
13 days
Sunshine
151 hours
Percentage Sunshine
Belmopan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Belmopan - and find the best time to visit.
Daily Historical Temperatures
41-year average (1976-2025)
Based on our historical records, temperatures in Belmopan typically stay consistent throughout December, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 21°C (70°F).
Average temperatures in December
Daily Historical Precipitation
41-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather records for Belmopan in December
Browse day-by-day weather records for Belmopan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Belmopan historical weather extremes in December
Based on 29 years of weather observations (1996-2025), these are the most extreme conditions recorded in Belmopan.
- The warmest day in December was on December 15, 2015, with a maximum of 36°C (97°F).
- Belmopan experienced its chilliest December day on December 26, 2022, reaching only 21°C (70°F).
- Nighttime temperatures dropped to 10°C (50°F) on December 15, 2010, marking the coldest December night on record.
Best Places in Belize in December
Find out more about the weather in Belize and which places have the best travel conditions in this month. See all of Belize in December →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Belmopan in December
Warm but pleasant conditions in Belmopan in December. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Belmopan in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Belmopan 3-Day Forecast
More climate data for Belmopan
See the full Belmopan climate overview or explore weather in Belize.
Popular in December
Where to go in December - average daytime high across popular destinations.
San Ignacio
29°C (84°F) Belize City
28°C (82°F) Maya Beach
27°C (81°F) Hopkins27°C (81°F) Dangriga28°C (82°F) Caye Caulker28°C (82°F) Placencia Village
28°C (82°F) San Pedro28°C (82°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Best Spring Break Destinations for Great Weather and Fewer Crowds
Cockscomb basin wildlife sanctuary
The Cockscomb Basin Wildlife Sanctuary is located in the south of Belize and is said to be the best place on earth to encounter a jaguar. Something you migh want to add to your bucket list.
Dive and feel like Robinson Crusoe at Glover’s Reef
Belize has an amazing number of beautiful small islands. Many of these islands are unaffordable for the average backpacker. Glovers Reef is an exception to this.
River Tube in Belize
The best time to visit Belize and to River Tube is from December to mid-April, this is the dry season. If you like to avoid the crowds we recommend visiting May and early June.