Last updated: August 21, 2025
December in Belize City offers a delightful tropical ambiance, with temperatures ranging from a pleasant 17°C (62°F) at night to a comfortable 30°C (86°F) during the day, averaging around 25°C (77°F). Visitors can expect to encounter a humid environment, with humidity levels reaching 87%, creating a lush, vibrant atmosphere. While December is characterized by significant rainfall, totaling 76 mm (3.0 in) over approximately 20 days, the showers are often brief, allowing plenty of opportunities to explore the city's stunning landscapes and rich culture. Overall, it’s a perfect time for both relaxation and adventure in this Caribbean gem.
In December, Belize City welcomes a delightful shift in temperatures as the cooler months draw near. With nighttime lows dipping to a refreshing 17°C (62°F), this transition offers a cozy reprieve from the warmer seasons. The average temperature hovers around 25°C (77°F), providing a pleasant backdrop for outdoor exploration and holiday festivities. During the day, temperatures can reach a comfortable 30°C (86°F), making it an ideal time to enjoy the region's stunning beaches and vibrant culture. As the year draws to a close, December's climate embraces both warmth and mildness, inviting visitors to relish in the charm of this idyllic Caribbean destination.
December in Belize City marks a shift as the rainy season wanes, showcasing moderate precipitation with an average of 76 mm (3.0 in) over about 20 days. This month maintains a balance between dryness and lingering moisture, following the significantly higher rainfall in October and November, which both recorded over 170 mm. While December's totals are notably lower, they still contribute to the region's lush, vibrant landscape. As the year draws to a close, the relatively mild precipitation forms a soothing backdrop for the festive season, offering occasional showers without overwhelming the sunny days treasured by locals and visitors alike.
December in Belize City marks a peak in humidity, maintaining a high level of 87%, similar to the preceding month of November. As the year draws to a close, the humidity reflects a gradual increase from the earlier months, with a notable drop in March to 67% before rebounding substantially in the latter half of the year. While the beginning of the calendar year showcases lower humidity levels—dropping to 62% in April and May—the transition into the rainy season leads to a steady increase, culminating in these high December readings. This trend highlights Belize City's tropical climate, where humidity fluctuations are prominent, ensuring that residents and visitors alike can expect a warm and moist ending to the year.
As December draws near, Belize City experiences a UV Index of 8, marking a return to the very high exposure category, with a burn time of just 15 minutes. This slight decrease from the extreme levels seen in the summer months reminds us that while the intensity of the sun eases slightly, protection is still essential. Throughout the year, the UV Index in Belize City has shown a pattern of extreme readings from February through October, peaking at 14 in April. Post-summer months witness a gradual decline, yet the sun remains potent enough to require caution. As always, planning for sun safety is vital, so make sure to stay informed. For more insight on UV levels, visit Belize City UV Index.
UV Risk Categories
December in Belize City greets visitors with a delightful 288 hours of sunshine, making it a perfect time to soak in the warm tropical rays. As the year draws to a close, sunlight hours show a notable dip from the sunniest months of May and June, which each boast over 320 hours. Nevertheless, December retains a vibrant atmosphere, enhancing the city's charm and inviting both locals and tourists alike to enjoy outdoor activities and festive celebrations. This month beautifully bridges the gradual shift from the intense sun of summer to the cooler days ahead, ensuring that the spirit of sunshine lingers well into the new year.
In December, Belize City enjoys a promising chance of sunny weather, with approximately 62% likelihood of sunshine, making it one of the brighter months of the year. This marks a notable increase from the lower percentages seen during the rainy summer months, where chances dipped to around 32% to 34% in June and July. As the year winds down, December stands out positively, showing a shift from November's 44% likelihood and reflecting a gradual upward trend in sunlit days as the dry season approaches. Travelers can look forward to enjoying delightful, sun-filled days just in time for the festive season.
In Belize City, December brings a cozy daylight duration of 11 hours, maintaining a steady rhythm that echoes the earlier months of January and February. As we transition through the year, daylight begins at 11 hours in the winter months, gradually extending to a peak of 13 hours during the summer months of June and July. The territory experiences a gentle ebb and flow, with the daylight hours tapering back to 12 hours in late summer and 11 hours again as the year winds down in October and November. December's consistent daylight offers a comforting predictability, making it an ideal time for locals and visitors alike to enjoy the festive spirit under the warm sun.
As December rolls into Belize City, the winds settle into a gentle rhythm, boasting an average speed of 3.6 m/s (8 mph). This marks a slight decrease from the breezier months of May and June, where the winds reached their peak at 5.2 m/s (12 mph). Interestingly, as we transition from the vibrant autumn months into winter, the wind speeds show a consistent decline from the buzzing energy of earlier months, culminating in December's calm atmosphere. The winds, while softer than in mid-year, still carry a refreshing coastal breeze, making it a delightful time to explore the city’s vibrant streets and stunning waterfront.
Weather in Belize City varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Belize City, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures in Belize City range from a minimum of 17°C (62°F) to a maximum of 30°C (86°F), with an average of 25°C (77°F). The month experiences significant rainfall, with 76 mm (3.0 in) of precipitation spread over 20 days, contributing to a high humidity level of 87%. In contrast, January sees a slight increase in the minimum temperature to 18°C (64°F), while the average and maximum temperatures remain stable at 25°C (77°F) and 30°C (86°F), respectively. The precipitation increases slightly to 81 mm (3.2 in) over 14 days, yet the humidity decreases to 85%. For more detailed information, you can check out Belize City weather in January.
In December, the weather in Belize City features a minimum temperature of 17°C (62°F) and an average high of 30°C (86°F), with an average humidity of 87% that contributes to a rather humid atmosphere. The month sees a significant amount of precipitation, averaging 76 mm (3.0 in) over 20 days. In contrast, February experiences slightly warmer temperatures, with a minimum of 16°C (61°F) and a maximum of 31°C (87°F), and a lower average humidity of 78%. February also has less rainfall, totaling around 50 mm (2.0 in) across 17 days. For more detailed information, you can check Belize City weather in February.
In December, the weather is characterized by slightly cooler temperatures, with a minimum of 17°C (62°F) and an average of 25°C (77°F), peaking at 30°C (86°F). The month is also quite humid, with an average humidity of 87% and considerable precipitation at 76 mm (3.0 in) spread over 20 days. In contrast, March experiences warmer temperatures, with a minimum of 20°C (69°F) and an average of 26°C (80°F), while still reaching a maximum of 30°C (87°F). Precipitation in March is lower at 51 mm (2.0 in) over just 14 days, and the humidity drops to a more comfortable 67%. For more details, check out Belize City weather in March.
December and April weather in Belize present notable differences. In December, temperatures range from a minimum of 17°C (62°F) to a maximum of 30°C (86°F), with an average of about 25°C (77°F). The month sees a higher humidity level at 87% and experiences approximately 76 mm (3.0 in) of precipitation over 20 days. In contrast, April boasts warmer temperatures, with a minimum of 21°C (71°F) and a maximum reaching 33°C (92°F), yielding an average of 28°C (82°F). Precipitation decreases to 53 mm (2.1 in) over just 11 days, and humidity drops to 62%. For more details on April weather, visit Belize City weather in April.
In December, the weather is relatively cooler with temperatures ranging from a minimum of 17°C (62°F) to a maximum of 30°C (86°F), and an average of 25°C (77°F). The month experiences considerable precipitation, totaling 76 mm (3.0 in) over about 20 days, along with high humidity levels at 87%. In contrast, May brings warmer conditions, with temperatures peaking at 33°C (92°F) and an average of 28°C (83°F). Precipitation increases slightly to 100 mm (3.9 in), occurring over 21 days, but the humidity drops to a more moderate 62%. For more details on the weather in May, you can visit Belize City weather in May.
December and June present distinctly different weather patterns. In December, temperatures range from a mild 17°C (62°F) at night to a warm 30°C (86°F) during the day, accompanied by significant humidity at 87%. It also sees a fair amount of rainfall, with 76 mm (3.0 inches) over approximately 20 days. In contrast, June is considerably warmer, with nighttime lows of 24°C (76°F) and daytime highs reaching up to 34°C (94°F). This month experiences much heavier precipitation, totaling 232 mm (9.1 inches) over 25 days, but with lower humidity at 63%. For more details on the June weather in this region, visit Belize City weather in June.
In December, Belize City experiences mild temperatures with a minimum of 17°C (62°F) and an average of 25°C (77°F), reaching a maximum of 30°C (86°F). The month is characterized by high humidity at 87% and moderate rainfall, totaling 76 mm (3.0 in) over approximately 20 days. In contrast, July sees warmer conditions, with temperatures ranging from a minimum of 25°C (76°F) to a maximum of 32°C (90°F), and an average of 28°C (83°F). However, July also experiences more substantial rainfall, with 161 mm (6.3 in) spread across 27 days, while humidity drops to a more comfortable 66%. For more details, check out Belize City weather in July.
In comparing the weather between December and August, it's evident that both months offer warm temperatures, but with distinct characteristics. December features a milder climate, with temperatures ranging from a minimum of 17°C (62°F) to a maximum of 30°C (86°F) and an average of 25°C (77°F). It experiences moderate rainfall, totaling 76 mm (3.0 in) over approximately 20 days, along with high humidity levels at 87%.
In contrast, August is typically hotter, with temperatures ranging from 24°C (76°F) at night to a peak of 33°C (92°F) during the day, averaging 29°C (84°F). This month also sees significantly more precipitation, with 184 mm (7.2 in) spread across about 28 days, and lower humidity at 73%. For more detailed insights on August weather, check out Belize City weather in August.
In December, the weather is generally milder with minimum temperatures around 17°C (62°F) and an average of 25°C (77°F), peaking at a maximum of 30°C (86°F). While it still sees a fair amount of precipitation at 76 mm (3.0 in) over 20 days, the humidity tends to be higher at 87%. In contrast, September features warmer temperatures, with a minimum of 25°C (77°F), an average of 29°C (84°F), and a maximum of 33°C (92°F). However, it also experiences significantly more rainfall—194 mm (7.6 in) over 27 days—making it a wetter month. For more details on the weather in September, you can check Belize City weather in September.
In comparing the weather patterns of December and October, December tends to be slightly cooler with average temperatures ranging from a minimum of 17°C (62°F) to a maximum of 30°C (86°F). In contrast, October experiences warmer conditions, with temperatures ranging from a minimum of 21°C (71°F) to a maximum of 33°C (91°F). Precipitation is significantly higher in October, totaling 280 mm (11.0 in) over 25 days, compared to December's 76 mm (3.0 in) over 20 days. Humidity levels are comparable, with December at 87% and October at 86%. For more details about October weather, visit Belize City weather in October.
Comparing the weather in December to November reveals some notable differences. December sees slightly lower temperatures, with a minimum of 17°C (62°F) compared to November's minimum of 20°C (67°F). The average temperature in December is also a bit cooler at 25°C (77°F), while November averages at 26°C (79°F). Although both months have high humidity levels of 87%, December experiences a decrease in precipitation, with 76 mm (3.0 in) over 20 days, compared to November's 177 mm (7.0 in) over 21 days. For more detailed information about November weather, check out Belize City weather in November.
In December, Belize City experiences a delightful blend of warm temperatures and increased humidity, setting it apart from the cooler, drier months that precede it. With an average temperature of around 25°C (77°F), visitors can expect a pleasant climate, though the higher humidity at 87% can make it feel a bit more tropical. While rainfall is common, with about 20 days of precipitation throughout the month, the showers are often brief, allowing for plenty of opportunities to explore the vibrant local culture and stunning natural beauty. For those planning a visit, December offers a unique charm that showcases the city's lively atmosphere during the festive season. For more detailed insights into the weather patterns throughout the year, check out Belize City Climate.