Last updated: August 21, 2025
In Vassouras, Brazil, December showcases a vibrant climate characterized by warm temperatures and notable rainfall. The maximum temperature can reach a sweltering 34°C (93°F), while the average settles comfortably at 24°C (75°F), providing a pleasant backdrop for both locals and visitors. However, cooler evenings dip to a minimum of 14°C (58°F), offering a refreshing respite from the daytime heat. This month sees substantial precipitation, totaling 228 mm (9.0 in) over 23 days, resulting in a humidity level of 75% that envelops the region in a lush, tropical air. Whether you're exploring the stunning landscapes or enjoying the vibrant culture, December in Vassouras vibrantly bursts with life and warmth, inviting all to experience its unique charm.
In December, Vassouras, Brazil, experiences a comfortable transition into summer, characterized by mild to warm temperatures. The minimum temp hovers around 14°C (58°F), providing a refreshing start to the day, while the average temperature rises to 24°C (75°F), inviting both residents and visitors to enjoy outdoor activities. With a maximum temperature reaching 34°C (93°F), the days can get quite warm, making it ideal for leisurely afternoons under the sun. Notably, December's climate tends to be warmer than its preceding months, showcasing a gradual warming trend that signals the festive summer season ahead. Overall, this month encapsulates the vibrant essence of Vassouras, making it a delightful time to experience the region’s rich culture and lush landscapes.
In December, Vassouras, Brazil experiences a significant uptick in precipitation, with 228 mm (9.0 in) recorded over the month, making it one of the wetter periods of the year. This surge is accompanied by an increase in rainy days, totaling 23, indicating that December is not only wet but also consistently rainy. Following a similar trend, November also showcased high rainfall at 205 mm (8.1 in) over 19 days, suggesting that the end of the year is marked by a pattern of increased precipitation. Despite a noticeable decline in rainfall from April to July, where dry spells were common, the shift toward late-year months highlights Vassouras' climatic transition into its wet season. As a result, December stands out as a pivotal month, encapsulating the essence of the region's tropical climate as it gears up for the New Year.
In Vassouras, Brazil, December ushers in a mild drop in humidity, settling at 75%, which reflects a gradual decline from the exceptionally high levels experienced at the start of the year. The trend showcases a slight easing of moisture in the air after the peak months, with January and February both registering a robust 85%. As the year progresses, humidity begins to wane steadily, reaching its lowest point of 61% in October before climbing again in November. The December figures illustrate a comfortable transitional phase, offering a refreshing respite from the heavy humidity typical of the preceding months, making it an inviting time for both locals and visitors to enjoy the lush landscapes of this vibrant region.
In December, Vassouras experiences a UV Index of 15, placing it in the extreme exposure category with a burn time of just 10 minutes. This trend of high UV radiation continues from the earlier months, where the index consistently hovered between 13 and 16 from January to November. Following a slight dip in the middle of the year, the UV levels rise again towards the end of the year, emphasizing the need for protective measures against the sun's intense rays. As you step out this month, remember to stay protected and check out more details about the Vassouras UV Index to ensure your outdoor activities remain safe.
UV Risk Categories
Vassouras, Brazil, basks in a delightful array of sunshine throughout the year, with December shining particularly bright, as the month boasts 294 hours of sunlight. This is a fitting close to a year where sunshine has gradually increased from January's modest 257 hours to a robust 301 hours in March, marking the sunniest month. As the seasons change, the daylight hours exhibit a slight decline, but they remain pleasantly high, with December offering more sun than several other months. The consistent availability of sunlight not only enhances the region's charm but also invites outdoor adventures, making Vassouras a truly radiant destination as the year comes to an end.
In Vassouras, Brazil, December ushers in a 29% chance of sunny weather, marking a slight increase from the previous months like October and November, which experience relatively lower probabilities of sunshine at 12% and 26%, respectively. This trend reflects a gradual rise in sunny days as the year progresses, particularly notable in the mid-year months of June and July, boasting probabilities of 48% and 60%. As the air begins to warm, December stands on the cusp of more radiant days, although it still lags behind the sunniest months. Overall, while December does not promise consistent sunshine, it holds the potential for brighter days toward the end of the year.
In Vassouras, Brazil, the month of December showcases a delightful continuation of the long daylight hours, offering approximately 13 hours of sunlight each day. This trend towards extended days begins in November, when daylight also spans 13 hours, signaling the transition from the shorter days of late fall. Following the seasonal pattern, daylight gradually diminishes from March to June, reaching a low of 10 hours in mid-winter. However, as the year progresses, daylight hours begin to lengthen again from August onwards, culminating in the bright and vibrant days of December. This natural ebb and flow of daylight not only enhances the beauty of the region but also contributes to the lively outdoor culture enjoyed by locals and visitors alike during these sunlit days.
As the year draws to a close in Vassouras, Brazil, December presents a gentle breath of 2.1 m/s (5 mph) winds, offering a slight dip from the breezy heights of September and November. Throughout the year, the wind speeds have shown a consistent pattern, with January kicking off the year at 2.0 m/s and steadily rising to their peak in late summer at 2.3 m/s in September. Following this, wind speeds slightly moderate but remain comfortably brisk, with December maintaining a robust average that echoes the lively atmosphere of the holiday season. This month not only encapsulates the year's wind trends but also heralds a transition into warmer, sunnier days, inviting both residents and visitors to enjoy the serene yet vibrant charm of Vassouras.
Weather in Vassouras varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Vassouras, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January showcase some similarities in weather patterns, but there are notable differences as well. In December, temperatures range from a minimum of 14°C (58°F) to a maximum of 34°C (93°F), with an average of 24°C (75°F). Rainfall is significant, totaling 228 mm (9.0 in) over 23 days, contributing to a humidity level of 75%. In contrast, January sees slightly warmer temperatures, with minimums at 16°C (62°F) and maximums reaching 35°C (95°F), averaging 25°C (78°F). The precipitation decreases slightly to 201 mm (7.9 in) over 17 days, while humidity increases to 85%. For more detailed insights, check out Vassouras weather in January.
December and February exhibit similar average temperatures, with December experiencing a minimum of 14°C (58°F), an average of 24°C (75°F), and a maximum of 34°C (93°F). In contrast, February's temperatures start a bit higher, with a minimum of 18°C (64°F) and a maximum of 35°C (96°F). Both months are characterized by significant rainfall, though February sees slightly more precipitation at 243 mm (9.6 in) compared to December's 228 mm (9.0 in), over 20 days in February versus 23 days in December. Additionally, February tends to be more humid, with levels reaching 85% compared to December's 75%. For a closer look at February's weather patterns, check out Vassouras weather in February.
In December, Vassouras experiences a warm climate with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 34°C (93°F), averaging around 24°C (75°F). The month sees significant rainfall, with 228 mm (9.0 in) of precipitation over 23 days, contributing to a humidity level of 75%. In contrast, March has a similar temperature range, with minimums at 14°C (58°F) and maximums at 34°C (94°F), averaging 24°C (76°F). However, precipitation decreases to 177 mm (7.0 in) spread over 19 days, and humidity rises to 86%. For a detailed look at the weather in March, visit Vassouras weather in March.
When comparing the weather in December and April, both months exhibit warm conditions, but there are notable differences. December features a higher average temperature of 24°C (75°F) compared to April's 22°C (72°F), with both months reaching a maximum of 34°C (93°F). However, December is significantly wetter, receiving 228 mm (9.0 in) of precipitation over 23 days, while April sees much less rain with 76 mm (3.0 in) on just 12 days. Additionally, April has a higher humidity level at 83%, compared to December’s 75%. For more detailed information, you can check Vassouras weather in April.
In December, Vassouras experiences warmer temperatures, with a minimum of 14°C (58°F) and an average of 24°C (75°F), peaking at a maximum of 34°C (93°F). The month is quite rainy, receiving 228 mm (9.0 in) of precipitation over 23 days and maintaining a humidity level of 75%. In contrast, May brings cooler weather, featuring a minimum temperature of 7°C (45°F) and an average of 20°C (68°F), while the maximum reaches 31°C (88°F). Precipitation is significantly lower in May, with only 59 mm (2.3 in) falling over 8 days, and humidity slightly increases to 81%. For more detailed insights into Vassouras weather during May, you can visit Vassouras weather in May.
In December, Vassouras experiences warm temperatures with a minimum of 14°C (58°F) and an average high of 34°C (93°F), making it one of the hottest months of the year. However, it is also quite wet, with a significant 228 mm (9.0 in) of rainfall spread over 23 days, contributing to a humidity level of 75%. In contrast, June presents milder weather, featuring lower temperatures that range from a minimum of 10°C (50°F) to a maximum of 31°C (89°F) and an average of 20°C (68°F). Precipitation is minimal in June, totaling just 29 mm (1.1 in) over 7 days, while humidity remains slightly higher at 80%. For more detailed weather information, you can visit Vassouras weather in June.
When comparing the weather in December and July, it becomes clear that December is characterized by warmer temperatures and significantly higher precipitation levels. In December, temperatures range from a minimum of 14°C (58°F) to a maximum of 34°C (93°F), with an average of 24°C (75°F). The month experiences considerable rainfall, totaling 228 mm (9.0 in) over approximately 23 days, contributing to its humid atmosphere with 75% humidity.
In contrast, July offers cooler conditions, with temperatures starting as low as 7°C (45°F) and peaking at 30°C (87°F), averaging around 18°C (65°F). The precipitation is drastically reduced to just 20 mm (0.8 in) over about 5 days, and humidity remains slightly higher at 76%. This stark difference in both temperature and rainfall highlights how different these two months are in terms of weather conditions. For further insights, you can explore Vassouras weather in July.
When comparing the weather in December and August, December tends to be much warmer and more humid. In December, temperatures range from a minimum of 14°C (58°F) to an average of 24°C (75°F), reaching a maximum of 34°C (93°F). The month is characterized by significant rainfall, with 228 mm (9.0 in) over 23 days. In contrast, August features much cooler temperatures, with a minimum of 6°C (43°F), an average of 19°C (66°F), and a maximum of 33°C (91°F). Precipitation is notably lower in August, totaling 48 mm (1.9 in) over just 7 days, while humidity remains relatively similar at 73%. For more specific details on August weather in Vassouras, you can explore Vassouras weather in August.
In December, the weather is warmer and more humid compared to September, with average temperatures ranging from a minimum of 14°C (58°F) to a maximum of 34°C (93°F) and an average temperature of 24°C (75°F). This month sees significantly higher precipitation, totaling 228 mm (9.0 in) over 23 days, contributing to a humidity level of 75%. In contrast, September experiences a milder climate, with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 36°C (97°F) and an average of 22°C (72°F). The precipitation is considerably lower at 52 mm (2.0 in) over just 8 days, with a relatively lower humidity level of 68%. For more details on September's climate, visit Vassouras weather in September.
In comparing the weather between December and October, December features a slightly higher average temperature of 24°C (75°F), with a maximum reaching 34°C (93°F), while October boasts a hotter maximum temperature of 37°C (100°F). Precipitation levels are significantly higher in December, with 228 mm (9.0 in) falling over 23 days compared to October's 117 mm (4.6 in) over just 17 days. Additionally, December experiences greater humidity at 75%, compared to October's 61%. This makes October feel hotter during the day, while December's more frequent rain and humidity create a more saturated atmosphere. For more details, visit Vassouras weather in October.
In comparing the weather of December and November, we can see some noteworthy differences and similarities. December tends to be slightly warmer, with average temperatures reaching 24°C (75°F) compared to November's average of 22°C (72°F). While November boasts a maximum temperature of 35°C (95°F), December's maximum is a bit lower at 34°C (93°F). Precipitation increases in December, totaling 228 mm (9.0 in) over 23 days, as opposed to November's 205 mm (8.1 in) over 19 days. Humidity is also slightly higher in December, sitting at 75%, compared to November’s 72%. For more specifics on November weather, check out Vassouras weather in November.
As December envelops Vassouras, the weather transforms into a blend of warmth and moisture, marking a notable shift from the cooler months that preceded it. This month showcases higher temperatures, with averages ascending significantly, while the air carries a palpable humidity of 75% that enhances the tropical ambiance. Rainfall is more frequent, with precipitation occurring on 23 days, leading to a lush environment and a vibrant landscape. This combination of warmth and rain creates an energetic atmosphere, inviting both locals and visitors to embrace the lively spirit of the season. To explore more about how Vassouras' unique weather patterns shape its climate throughout the year, visit Vassouras Climate.