Last updated: August 21, 2025
December in Belém, Brazil ushers in a warm tropical climate, with temperatures reaching a maximum of 33°C (91°F) and an average of 26°C (79°F). The month experiences a minimum temperature drop to 20°C (67°F), offering pleasant evenings. Rainfall is a common occurrence, with about 38 mm (1.5 in) of precipitation spread across 15 days, contributing to the region's lush vegetation. Humidity levels hover around 70%, enhancing the sultry feel of this vibrant city. Ideal for experiencing the rich local culture, December's weather invites both adventure and relaxation amidst its warm, tropical embrace.
In December, Belém basks in delightful tropical warmth, with temperatures typically ranging from a minimum of 20°C (67°F) to a maximum of 33°C (91°F). The average temperature holds steady at a comfortable 26°C (79°F), similar to previous months, making it an ideal time for travelers seeking to enjoy the region's lush landscapes and vibrant culture. This month marks a slight transition towards warmer days as the year draws to a close, following a pattern of consistently warm weather throughout the year. Whether you're roaming the bustling markets or exploring the rich culinary scene, December's pleasant climate offers the perfect backdrop for outdoor adventures and vibrant festivities.
In Belém, Brazil, December ushers in the onset of the wet season with precipitation reaching 38 mm (1.5 in) over approximately 15 days of rainfall. Although this amount is less than several of the preceding months like March and May, it marks a noticeable transition, as the year closes with more humid conditions. This dip in rainfall from November's low of 23 mm might suggest a brief respite, yet it sets the stage for the significantly wetter months ahead. The consistent pattern of rainfall days highlights a rhythm of wet and dry periods, typical for Belém's tropical climate, inviting both a vibrant landscape and the lush growth characteristic of the region. As the year ends, residents and visitors alike can expect a lush, green environment fed by the increasing precipitation.
In Belém, Brazil, December ushers in a shift in humidity, which settles at a moderate 70%. This marks a notable decrease from the peak levels seen in the preceding months, particularly from May's high of 90%. As the year draws to a close, the air becomes less saturated, providing a brief reprieve from the relentless moisture that defines the region during the earlier months. Interestingly, this drop in humidity corresponds with a consistent decline observed from the high humidity levels in the spring and early summer, where figures hovered around 86% to 90% from January through May. As the transition to the dry season begins, December offers a refreshing change, hinting at the drier conditions that the following months will bring.
In December, Belem, Brazil, experiences an extreme UV Index of 14, making sun protection essential for anyone spending time outdoors. This reading aligns with the high values seen throughout the preceding months, consistently hovering around 14 to 15, while a slight dip occurred in May and June, yet the risk of sunburn remains significant, with a burn time of just 10 minutes. As the year draws to a close, residents and visitors alike should remain vigilant, ensuring they are equipped with proper protective measures against the intense sun. For more detailed insights and safety tips, visit Belem UV Index.
UV Risk Categories
December in Belém, Brazil, offers a glorious farewell to the year with 353 hours of sun-soaked days, making it one of the sunniest months. As the year progresses, sunlight consistently increases, with each month building towards this radiant finale. Starting from 278 hours in January, the trend showcases a steady rise, peaking in December. Notably, the months from August to November maintain a strong average, signifying a vibrant stretch of sunshine that enhances Belém's tropical charm. This delightful progression illustrates how the city's climate transitions into a dazzling December, ensuring a bright and warm atmosphere just in time for the holiday season.
In December, Belem, Brazil, experiences a 35% chance of sunny weather, which places it among the month's moderate options for sunshine. Notably, as we transition from November's slightly higher 49%, the likelihood dips during December. This reflects a broader trend in Belem’s climate, where the sunny days tend to peak in the middle of the year, particularly in June and July at 45%. Interestingly, following the warmth of summer months like January and February, which feature even brighter odds of sun, December's statistics indicate a subtle retreat from more favorable conditions. Thus, while the chance for sun remains significant, it suggests that visitors can expect a mix of weather as they embrace the festive season.
In Belém, Brazil, December brings a delightful consistency in daylight duration, with 12 hours of sunlight mirroring the previous months of January, February, September, October, and November. This pattern highlights a unique aspect of Belém's tropical climate, where the daylight remains relatively stable throughout the year. As the year progresses from April to August, daylight dips slightly to 11 hours, offering a brief respite from the longer days. However, as the year winds down, residents and visitors alike can enjoy the revitalizing glow of the sun during December, with daylight returning to its full 12-hour glory, perfect for embracing the vibrant culture and natural beauty of this enchanting city.
As December settles in Belem, Brazil, the average wind speed hovers around 3.1 m/s (7 mph), reflecting a subtle yet noticeable dip from the gustier months prior, particularly August with its peak of 4.4 m/s (10 mph). This decline also follows a gradual increase during the mid-year months, where summer brought brisk breezes, peaking in July at 3.7 m/s (8 mph). Notably, the wind's rhythm in Belem seems to follow a gentle cycle, with speeds gradually tapering off as the year draws to a close. The comforting embrace of these lighter winds in December invites a serene backdrop for the holiday festivities, creating a harmonious blend of nature and celebration.
Weather in Belem varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Belem, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather is warm with temperatures ranging from a minimum of 20°C (67°F) to a maximum of 33°C (91°F), and an average temperature of 26°C (79°F). The month sees about 38 mm (1.5 in) of precipitation over 15 days and maintains a humidity level of 70%. In contrast, January experiences slightly warmer temperatures with a minimum of 21°C (70°F) and a maximum of 33°C (92°F), while the average remains the same at 26°C (79°F). Precipitation increases to 41 mm (1.6 in) over 13 days, and humidity rises significantly to 86%. For more detailed information, visit Belem weather in January.
December and February display some similarities in temperature, with both months experiencing average highs around 33°C (91°F to 92°F) and lows hovering near 20°C (67°F to 70°F). However, February tends to be slightly warmer overall, with a minimum temperature of 21°C (70°F). Precipitation levels also differ significantly; while December receives 38 mm (1.5 in) of rain over about 15 days, February sees an increase to 83 mm (3.3 in) and 17 rainy days, indicating a wetter climate. Additionally, February's humidity increases to 89%, compared to December's 70%, making it feel more humid and muggy. For more details on the weather specifics, you can refer to Belem weather in February.
In comparing the weather between December and March, we see some notable differences, particularly in precipitation and humidity. December enjoys a warmer average temperature with a minimum of 20°C (67°F) and a maximum of 33°C (91°F), while March slightly increases the minimum temperature to 21°C (71°F), with the same maximum of 33°C (92°F). However, March experiences significantly higher precipitation, totaling 108 mm (4.2 in) over 22 days, compared to December’s 38 mm (1.5 in) over 15 days. This contributes to a higher humidity level in March, reaching 89% compared to December's 70%. Overall, while both months share similar average temperatures, March is characterized by wetter and more humid conditions. For more details, you can check Belem weather in March.
In comparing the weather of December and April, December experiences slightly cooler temperatures with a minimum of 20°C (67°F) and a maximum of 33°C (91°F), while April begins with a minimum of 21°C (69°F) and peaks at 32°C (91°F). Both months have a similar average temperature of around 26°C (79°F), but April sees significantly higher precipitation at 99 mm (3.9 in) over 22 days, compared to December's 38 mm (1.5 in) spread over 15 days. Additionally, April's humidity is notably higher at 89%, compared to December's 70%. For more details on the weather conditions, check Belem weather in April.
In December, the weather is characterized by warm temperatures, with a minimum of 20°C (67°F) and an average of 26°C (79°F), reaching a maximum of 33°C (91°F). The month experiences relatively moderate rainfall, with precipitation measuring 38 mm (1.5 in) over about 15 days and humidity levels around 70%. In contrast, May sees slightly cooler temperatures, with an average of 25°C (77°F) and a max of 31°C (89°F), but it is much wetter, receiving 104 mm (4.1 in) over approximately 18 days, accompanied by higher humidity of 90%. For more detailed insights, check out Belem weather in May.
December and June both exhibit warm temperatures, but December is slightly hotter, with average temperatures reaching 26°C (79°F) compared to June’s average of 24°C (76°F). While December has a maximum temperature of 33°C (91°F), June peaks at a lower 30°C (87°F). Precipitation levels are higher in June, with 56 mm (2.2 in) compared to December’s 38 mm (1.5 in), and both months experience rainfall on roughly 15 days. Additionally, June tends to be more humid, with humidity levels at 86% versus December’s 70%. For more details, check Belem weather in June.
When comparing the weather in December and July, we see notable differences in temperature and precipitation. December typically presents warmer conditions, with an average temperature of 26°C (79°F) and maximums reaching up to 33°C (91°F). In contrast, July's average temperature is cooler at 23°C (74°F), peaking at 30°C (86°F). In terms of rainfall, July tends to be wetter, receiving 71 mm (2.8 in) compared to December's 38 mm (1.5 in), although both months experience precipitation on about 15 days. Additionally, July has higher humidity levels at 80%, compared to December's 70%.
For more detailed insights, check out Belem weather in July.
In December, the weather tends to be warmer with average temperatures hovering around 26°C (79°F) and highs reaching up to 33°C (91°F). The month experiences more frequent rainfall, with precipitation occurring on about 15 days and a total of 38 mm (1.5 in) accumulated. In contrast, August is slightly cooler, with average temperatures at 24°C (75°F) and maximums of 30°C (86°F). This month sees less rainfall, totaling 30 mm (1.2 in) over approximately 10 days, but it has higher humidity at 77%. Overall, while both months have warm and humid conditions, December is characterized by hotter temperatures and more precipitation compared to the milder and drier August. For more details, you can check Belem weather in August.
In December, the weather is generally warmer and slightly more humid compared to September. December features temperatures ranging from a minimum of 20°C (67°F) to a maximum of 33°C (91°F), while September sees slightly cooler temperatures with a minimum of 19°C (66°F) and a maximum of 32°C (89°F). Additionally, December has a higher average temperature of 26°C (79°F) compared to September's 24°C (76°F). Precipitation is somewhat more frequent in December, with 38 mm (1.5 in) spread over 15 days, in contrast to September, which experiences 29 mm (1.1 in) over just 12 days. For more details on September weather, you can refer to Belem weather in September.
In terms of temperature, December experiences slightly warmer conditions compared to October, with average highs reaching 33°C (91°F) versus October's max of 32°C (90°F). Both months have similar minimum temperatures, with December at 20°C (67°F) and October at 19°C (67°F). However, December sees more precipitation, totaling 38 mm (1.5 in) over 15 days compared to October's 25 mm (1.0 in) over 10 days. Humidity levels are fairly close, with December at 70% and October at 68%. Overall, while both months are warm, December tends to be a bit wetter and slightly warmer. For more information, you can check Belem weather in October.
In December, the weather remains quite warm, with temperatures mirroring those of November, maintaining a minimum of 20°C (67°F), an average of 26°C (79°F), and a maximum of 33°C (91°F). However, December experiences significantly more rainfall, totaling 38 mm (1.5 in) over 15 days, compared to November's 23 mm (0.9 in) over just 8 days. Additionally, humidity slightly increases in December to 70%, up from November’s 66%. For a more detailed look at weather conditions, you can visit Belem weather in November.
In December, Belém experiences a delightful shift in weather, characterized by warm temperatures that hover around a pleasant average of 26°C (79°F). Unlike the cooler months, this month showcases the festive vibrancy of summer, with maximums reaching up to 33°C (91°F). However, expect some rain, as December typically sees about 15 days of precipitation, contributing to a humidity level of around 70%. This combination of warmth and moisture makes the air feel tropical, perfect for those looking to embrace Belém's lush landscapes. For more details on what to expect year-round, check out Belem Climate.