Last updated: August 21, 2025
Experience the vibrant climate of Fortaleza, Brazil in December, where the maximum temperatures soar up to 31°C (89°F), creating a warm and inviting atmosphere. The average temperature hovers around a comfortable 28°C (82°F), while the minimum dips to a delightful 24°C (76°F) at night. Despite a precipitation amount of 48 mm (1.9 in) over 12 days, the lush humidity of 81% enhances the region's exotic allure. Embrace the mix of sun and occasional showers as you explore the breathtaking beauty of this coastal city during one of its warmest months.
In December, Fortaleza enjoys warm and inviting temperatures, with minimums averaging around 24°C (76°F) and maximums reaching up to 31°C (89°F). This month typically sees an average temperature rise to 28°C (82°F), hinting at the festive summer atmosphere that envelops the city. A subtle trend emerges as December's weather follows the pattern of the previous months, maintaining a consistent warmth that characterizes Fortaleza throughout the year. With relatively stable temperatures and a vibrant backdrop, December sets the perfect stage for visitors to relish the city's beautiful beaches and lively culture.
In December, Fortaleza experiences a marked decrease in precipitation compared to the wetter months prior, with a total of 48 mm (1.9 in) of rainfall over approximately 12 days. This decline follows a peak in April, where rainfall reaches its highest at 286 mm (11.2 in), and continues through a brief dry spell in the late summer months. As the year closes, the transition from heavy rains in the earlier months to the lighter December showers reflects a notable shift in the region's climate patterns. This seasonal rhythm not only shapes the local landscape but also influences daily life in Fortaleza, reinforcing December as a time of relative dryness amid the contrasting, vibrant wet season.
In Fortaleza, Brazil, December brings a slight dip in humidity, settling at 81%. This month continues the trend of gradual decreases seen from earlier in the year, as the humidity peaks in the late summer months of February and March at 85% and 87%, respectively. Following the warmer months, the humidity starts to decline, reaching its lowest point in July and August when it drops to 75%. As the year progresses toward December, the humidity remains relatively high but not as oppressive as in the peak months. Overall, December is marked by a balance between the warm tropical climate and the comfort of slightly reduced humidity, making it a delightful time for both locals and visitors.
In Fortaleza, Brazil, December continues the trend of high UV exposure typical for the region, with a UV Index of 13, categorized as extreme. This consistent level of intensity means that residents and visitors alike should be aware of their sun exposure, as burn time remains a swift 10 minutes. Following the peak values seen in earlier months, like 15 in March and April, December settles into a slightly more moderate intensity but still demands caution. As the sun shines brightly over this beautiful coastal city, ensuring proper skin protection is crucial for enjoying the outdoors safely. For more insights, check out the full information on the Fortaleza UV Index.
UV Risk Categories
In December, Fortaleza, Brazil, basks in a delightful 347 hours of sunshine, a fitting prelude to the vibrant energy of the New Year. As the year progresses, a notable trend emerges: the sunniest months are primarily concentrated in the second half, with July and August shining the brightest at 339 and 352 hours, respectively. The warmth of May to October shows a gradual increase, peaking as the year closes, making December a luminous transition into the summer months. This consistent abundance of sunshine enhances the city’s charm, inviting both locals and travelers to revel in the golden glow that defines Fortaleza's tropical allure.
In Fortaleza, Brazil, December experiences a 42% chance of sunny weather, which notably dips as the year draws to a close. This is a significant decline compared to the peak sunshine months of August and September, where the probability of clear skies reaches 71% and 75%, respectively. Conversely, as the rainy season approaches, the likelihood of sun dips in early winter months, with December's percentage sitting just above March's low of 27%. Despite this, the chance remains relatively moderate, encouraging outdoor activities while still leaving room for those refreshing tropical showers that enliven the vibrant landscape.
In Fortaleza, Brazil, December brings with it a delightful consistency in daylight, offering a generous 12 hours of sunlight—the same as the preceding months from September to November, and the entire stretch from January to April. This steady duration reflects the region’s tropical climate, where daylight remains relatively stable throughout the year, with only slight decreases during the mid-year months of May through August, when it dips to 11 hours. As the year winds down, residents and visitors alike can revel in the ample daylight, perfect for outdoor adventures and soaking up the vibrant culture of this coastal city.
As December rolls into Fortaleza, Brazil, the wind picks up slightly with an average speed of 5.6 m/s (13 mph), maintaining the coastal city’s breezy charm. This marks a subtle peak as the year winds down, following a consistent upward trend in wind speed from the milder months of March to November. In fact, December's winds are not far behind the summer highs, which typically reach around 6.6 m/s (15 mph) in August. This steady wind pattern not only enhances the beachside experience but also keeps the atmosphere lively and refreshing, drawing visitors to embrace both the warm sun and the invigorating sea breeze.
Weather in Fortaleza varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Fortaleza, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January in Fortaleza display a fairly consistent tropical climate, though there are notable differences between the two months. December experiences slightly warmer average temperatures, with a minimum of 24°C (76°F) and a maximum of 31°C (89°F). In contrast, January sees a slight dip in average temperature, settling at 27°C (82°F), while the maximum temperature can reach up to 32°C (89°F).
Precipitation also plays a significant role in these months; December records 48 mm (1.9 in) of rain across 12 days, whereas January sees a considerable increase to 83 mm (3.3 in) of rain over 18 days, resulting in a more humid environment at 84%. For those interested in a more detailed overview, you can find additional information here: Fortaleza weather in January.
In December, the weather in Fortaleza is generally warm, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 31°C (89°F) and an average of 28°C (82°F). The month experiences moderate precipitation, totaling 48 mm (1.9 in) over approximately 12 days, accompanied by a humidity level of 81%.
In contrast, February sees a similar temperature range, with minimums of 23°C (74°F) and maximums reaching 31°C (88°F), averaging 27°C (81°F). However, February is notably wetter, receiving 211 mm (8.3 in) of rainfall over about 24 days, and humidity increases slightly to 85%. This significant rise in precipitation and humidity makes February feel more humid and likely introduces more cloudy days compared to December. For more detailed insights, check out Fortaleza weather in February.
In December, the weather in Fortaleza is warm, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 31°C (89°F) and an average of 28°C (82°F). The month sees relatively low precipitation, totaling 48 mm (1.9 in) over 12 days, with humidity at 81%. In contrast, March experiences slightly cooler average temperatures, peaking at 31°C (88°F), while the minimum remains similar at 24°C (75°F) and the average drops to 27°C (81°F). However, March is significantly wetter, with precipitation reaching 213 mm (8.4 in) spread over 29 days and humidity increasing to 87%. For more details on the weather in March, check Fortaleza weather in March.
In comparison to December, April in Fortaleza experiences slightly cooler average temperatures, with a range from a minimum of 24°C (75°F) to a maximum of 31°C (88°F), compared to December's 24°C (76°F) minimum and 31°C (89°F) maximum. However, April is significantly wetter, receiving a substantial 286 mm (11.2 in) of precipitation over 27 days, whereas December sees much less rain at 48 mm (1.9 in) over 12 days. Humidity levels also rise slightly in April, averaging 86% compared to December's 81%. For more detailed information about the weather in April, visit Fortaleza weather in April.
In December, the weather in Fortaleza is characterized by warm temperatures, with a minimum of 24°C (76°F) and an average of 28°C (82°F), reaching a maximum of 31°C (89°F). The month sees moderate precipitation, totaling 48 mm (1.9 in) over about 12 days, and humidity levels are relatively high at 81%. In contrast, May experiences slightly cooler average temperatures, with a minimum of 24°C (75°F) and an average of 27°C (81°F), while still peaking at 31°C (88°F). However, May is notably wetter, receiving 161 mm (6.3 in) of rainfall across approximately 21 days and displaying higher humidity at 85%. For more details, you can refer to Fortaleza weather in May.
In December, Fortaleza typically enjoys warm weather characterized by temperatures ranging from a minimum of 24°C (76°F) to a maximum of 31°C (89°F), with an average of 28°C (82°F). The month experiences about 48 mm (1.9 in) of precipitation over approximately 12 days, while humidity remains relatively high at 81%. In contrast, June features slightly cooler temperatures, with a minimum of 23°C (74°F) and a maximum of 32°C (89°F), averaging 27°C (81°F). However, June sees increased precipitation of 82 mm (3.2 in) over about 13 days, maintaining the same humidity level of 81%. For a detailed overview of weather conditions in June, you can visit Fortaleza weather in June.
When comparing the weather in December to that of July, both months exhibit warm temperatures, though December is slightly warmer overall. In December, the minimum temperature averages around 24°C (76°F), with an average high of 31°C (89°F), while July features a lower average maximum of 32°C (89°F) and a minimum of 22°C (73°F). Precipitation levels are similar, with December receiving 48 mm (1.9 in) over 12 days, compared to July's 44 mm (1.7 in) across 9 days. Humidity is higher in December at 81%, compared to 75% in July, contributing to a more humid feel during the holiday season. For additional details, you can check Fortaleza weather in July.
When comparing the weather in December and August, notable differences emerge. December experiences slightly warmer temperatures, with an average of 28°C (82°F) and a maximum reaching 31°C (89°F), while August averages 27°C (81°F) and peaks at 32°C (90°F). Despite the warmer average in December, it has higher humidity at 81% compared to August's 74%. Additionally, December receives significantly more rainfall, with 48 mm (1.9 in) over 12 days, whereas August is relatively dry, recording only 9 mm (0.4 in) over just 3 days. For more details on August weather, you can check Fortaleza weather in August.
In December, the weather tends to be warmer and more humid compared to September, with average temperatures around 28°C (82°F) and maximums reaching 31°C (89°F). The humidity is notably high at 81%, resulting in a more oppressive feel throughout the month. Additionally, December experiences significantly more rainfall, with 48 mm (1.9 in) over 12 days, making it a wetter time of year. In contrast, September enjoys slightly cooler temperatures, with averages of 27°C (81°F) and maxes also hitting 31°C (89°F), but it boasts much lower precipitation at just 6 mm (0.2 in) over only one day, leading to a drier and more comfortable atmosphere. For more details on September’s weather, you can visit Fortaleza weather in September.
In December, the weather tends to be slightly warmer than in October, with average temperatures rising from 27°C (82°F) in October to 28°C (82°F) in December. Both months share the same maximum temperature of 31°C (89°F), while the minimum temperature remains consistent at 24°C (76°F). However, December sees a substantial increase in precipitation, receiving 48 mm (1.9 in) over 12 days, compared to just 11 mm (0.4 in) over 2 days in October. Additionally, humidity is higher in December, averaging 81% compared to October's 75%. For a detailed overview of October's climate, visit Fortaleza weather in October.
In December, the weather remains warm with an average temperature of 28°C (82°F), similar to November, but it has slightly lower minimum and maximum temperatures, reaching a minimum of 24°C (76°F) and a maximum of 31°C (89°F) compared to November's 25°C (77°F) and 32°C (90°F). Additionally, December experiences significantly more precipitation, with 48 mm (1.9 in) over 12 days, while November only sees 17 mm (0.7 in) across 4 days, resulting in increased humidity at 81% in December versus 77% in November. For more details on November’s weather, check out Fortaleza weather in November.
As December unfolds in Fortaleza, residents and visitors alike experience a delightful shift in weather compared to the preceding months. The temperature typically hovers around a pleasantly warm average of 28°C, with highs reaching an inviting 31°C, creating perfect conditions for outdoor adventures. Although December witnesses an increase in humidity, peaking at about 81%, the vibrant atmosphere is occasionally refreshed by 48 mm of rainfall over approximately 12 days. Unlike the drier months earlier in the year, December’s sporadic showers add a refreshing twist to the tropical setting, making it a unique time to embrace the beauty of Fortaleza. To discover more about the city's year-round weather patterns, check out Fortaleza Climate.