Last updated: August 28, 2025
Experience the vibrant December weather in Santa Teresa, Uruguay, where temperatures range from a chilly 11°C (51°F) to a scorching 33°C (93°F), with an average of 22°C (73°F), making it ideal for outdoor adventures. Expect occasional rain, with 66 mm (2.6 in) of precipitation over about 6 days, adding a refreshing touch to the warm summer days. With a humidity level of 56%, enjoy the perfect mix of warmth and comfort as you explore this beautiful coastal destination. Embrace the seasonal charm of Santa Teresa this December!
In December, Santa Teresa, Uruguay begins to fully embrace summer, with temperatures transitioning to a warm and inviting climate. With a minimum of 11°C (51°F) and a maximum reaching 33°C (93°F), the average settles around a pleasant 22°C (73°F). This marks a gradual warming trend from the previous months, leading to sunnier days perfect for beach outings and outdoor activities. The consistent rise in temperatures not only highlights the shift towards summer but also creates an enticing atmosphere for both locals and visitors to revel in the vibrant surroundings of Santa Teresa. As the month unfolds, you can expect balmy evenings and sun-soaked afternoons that encapsulate the essence of summer in this coastal paradise.
December in Santa Teresa, Uruguay, marks the transition into summer, bringing with it a mild precipitation level of 66 mm (2.6 in), which occurs over approximately 6 rainy days. This amount is a slight dip compared to the preceding months, particularly July and October, both of which experienced higher rainfall averaging around 90 mm (3.5 in). Interestingly, while the total rainfall is relatively moderate, this month sustains the trend of consistent precipitation that characterizes much of the year in Santa Teresa, contrasting sharply with the drier winter months of June and August when precipitation falls to around 61 mm (2.4 in). As the year wraps up, the weather remains dynamic, suggesting a potential for clearer skies ahead as summer fully takes hold.
December in Santa Teresa, Uruguay, marks a transition in humidity as it begins to dip from the highs of the year. With humidity at 56%, December is noticeably less humid compared to the peak of 85% experienced in May. This decline reflects a gradual decrease from the more tropical conditions of earlier months, notably the humid summer months of January and February, which recorded 50% and 61%, respectively. As the year winds down, humidity levels remain moderate, offering a more comfortable climate amidst the subtle shifts that guide residents and visitors towards the heart of summer.
As December arrives in Santa Teresa, Uruguay, the UV Index reaches an extreme level of 14, matching January's peak intensity and signaling a critical time for sun safety. The consistent 10-minute burn time throughout these summer months emphasizes the need for effective sun protection. Following a seasonal trend, the UV Index notably increases during the summer, highlighting the urgent importance of staying vigilant against harmful UV rays. Notably, the fluctuations in the index reflect a shift toward more moderate levels in the cooler months, yet the extremes of December and January underscore the height of sun exposure risks. For those planning outdoor activities, knowing this data is crucial. Make sure to stay informed about the Santa Teresa UV Index to enjoy your time under the sun safely.
UV Risk Categories
As December unfolds in Santa Teresa, Uruguay, the sunshine reaches its peak with a remarkable 382 hours of radiant light, outshining every other month of the year. This vibrant surge in daylight signals the beginning of summer, following a gentle upward trend from the earlier months. While November already boasts an impressive 337 hours, daylight gradually increases, building anticipation for festive gatherings and beach days. The warm embrace of the sun during December not only enhances the beauty of Santa Teresa's stunning landscapes but also invites locals and visitors alike to indulge in outdoor adventures, bask in the glow, and celebrate the season under the ever-brightening skies.
In December, Santa Teresa, Uruguay, enjoys a favorable 69% chance of sunny weather, aligning it with other peak months like April and October. This trend indicates that the start of summer in the Southern Hemisphere brings increased sunshine, making it a delightful time for outdoor activities. While January and February also boast impressive sunlit days, December’s position near the year's end suggests a beautiful transition into the vibrant summer season. As we move from the cooler months, the consistency of sunny forecasts provides a charming backdrop for visitors seeking both relaxation and adventure in this coastal paradise.
In Santa Teresa, Uruguay, December brings a vibrant 14 hours of daylight, mirroring the long, sunlit days of January. As the year progresses from February's 13 hours down to the shorter days of May, when sunlight dips to just 10 hours, a gentle rhythm of daylight duration emerges. The trend reverses mid-year, with June's 9 hours being the month with the least sunlight, followed by a gradual increase. By November, the daylight duration bounces back to 13 hours, setting the stage for a sunny December. This cyclical pattern of elongating days encourages outdoor exploration, festivity, and a lively connection with nature in this picturesque coastal town as the year draws to a close.
As December settles in Santa Teresa, Uruguay, the average wind speed picks up to 4.9 m/s (11 mph), signaling a refreshing transition into summer. This month’s breezy conditions are consistent with the prevailing trend of higher wind speeds observed in the earlier part of the year, particularly from September and November, where gusts reached up to 5.4 m/s (12 mph). Interestingly, the wind tends to calm down a bit during the winter months, with July showing the highest speeds at 4.9 m/s, followed by a gentle drop in the late summer and early fall. This seasonal variability not only adds to the region's charm but also enhances the vibrant coastal atmosphere that draws visitors to its shores. Overall, December's winds blend the energy of the summer heat with refreshing gusts, creating the ideal backdrop for beachgoers and adventurers alike.
Weather in Santa Teresa varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Santa Teresa, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather in Santa Teresa sees temperatures ranging from a minimum of 11°C (51°F) to a maximum of 33°C (93°F), with an average of 22°C (73°F). The month experiences 66 mm (2.6 in) of precipitation over 6 days, along with a humidity level of 56%. In contrast, January temperatures are warmer, with a minimum of 15°C (60°F) and a maximum of 37°C (99°F), averaging 24°C (76°F). This month has slightly higher precipitation, totaling 73 mm (2.9 in) across 6 days, but a lower humidity level of 50%. For more detailed weather insights, check out Santa Teresa weather in January.
In December, Santa Teresa experiences warm temperatures, ranging from a minimum of 11°C (51°F) to a maximum of 33°C (93°F), with an average of 22°C (73°F). The month sees about 66 mm (2.6 in) of precipitation over an average of 6 days, accompanied by a humidity level of 56%. In contrast, February brings slightly higher temperatures, with a minimum of 14°C (57°F) and an average of 23°C (74°F), while the maximum temperature remains consistent at 33°C (92°F). However, February is wetter, receiving approximately 86 mm (3.4 in) of rain over 8 days and slightly increased humidity at 61%. For more detailed weather insights, check out Santa Teresa weather in February.
In December, the weather features warm temperatures ranging from a minimum of 11°C (51°F) to a maximum of 33°C (93°F), with an average of 22°C (73°F). This month sees a total precipitation of 66 mm (2.6 in) over about six days, with humidity levels around 56%. In contrast, March experiences slightly cooler temperatures, with a minimum of 12°C (53°F) and a maximum of 32°C (90°F), and an average temperature of 21°C (71°F). However, it is wetter, with precipitation totaling 85 mm (3.4 in) over seven days and humidity rising to 66%. This shift indicates a transition from the warmer, drier December to the cooler, wetter conditions typical of March. For more details on March weather, you can visit Santa Teresa weather in March.
In December, the weather is generally warmer, with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 33°C (93°F), and an average of 22°C (73°F). Humidity levels sit at a comfortable 56%, and the month sees about 66 mm (2.6 in) of precipitation over approximately 6 days. In contrast, April experiences cooler temperatures, with a minimum of 9°C (49°F), an average of 19°C (66°F), and a maximum of 30°C (85°F). This month is slightly wetter, accumulating 74 mm (2.9 in) of rain over about 7 days and presenting higher humidity at 80%. For more detailed insights on what to expect, check out Santa Teresa weather in April.
When comparing December and May weather, December boasts warmer temperatures, with a minimum of 11°C (51°F) and an average high of 33°C (93°F), making it a generally hotter month. In contrast, May experiences cooler temperatures, with a minimum of 6°C (43°F) and an average high of 24°C (76°F). Moreover, May tends to be more humid, with a humidity level of 85%, compared to December's 56%. Rainfall is also noteworthy, as December sees 66 mm (2.6 in) over about 6 days, while May has slightly higher precipitation at 76 mm (3.0 in) over 7 days. For a more detailed look at May weather, you can visit Santa Teresa weather in May.
When comparing the weather in December and June, notable differences emerge in temperature and humidity levels. December boasts a much warmer climate, with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 33°C (93°F), while June's temperatures are significantly cooler, with lows of 3°C (38°F) and highs peaking at 23°C (74°F). Additionally, December experiences a lower humidity level of 56%, compared to June's higher humidity of 80%, which can make the latter feel colder and damper. Precipitation is relatively similar in both months, with December recording 66 mm (2.6 in) over 6 days and June slightly less at 61 mm (2.4 in) over 7 days. For those looking to further explore conditions in June, you can visit Santa Teresa weather in June.
The weather in December is significantly warmer than in July, with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 33°C (93°F), while July sees much cooler conditions with temperatures varying from 4°C (40°F) to 24°C (75°F). December experiences an average temperature of 22°C (73°F) and lower humidity at 56%, compared to July's average of 11°C (52°F) and higher humidity levels of 69%. Additionally, precipitation is more pronounced in July, with 90 mm (3.5 in) over 9 days, compared to December’s 66 mm (2.6 in) spread over 6 days. For more details, you can check Santa Teresa weather in July.
In December, the weather is notably warmer, with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 33°C (93°F), while August experiences cooler conditions, with temperatures ranging from 4°C (40°F) to 22°C (73°F). Both months have similar levels of precipitation, with December receiving 66 mm (2.6 in) and August slightly less at 59 mm (2.3 in), and both months seeing rainfall on approximately six days. However, the humidity in August is slightly higher at 66%, compared to December’s 56%, leading to a more comfortable feel during the warmer summer month. For more detailed comparisons of August weather, you can check the following link: Santa Teresa weather in August.
In December, the weather is generally warmer than in September, with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 33°C (93°F), while in September, the temperatures are cooler, ranging from 6°C (43°F) to 26°C (79°F). December also experiences slightly less precipitation, with 66 mm (2.6 in) over 6 days compared to September's 77 mm (3.0 in) during the same number of days. Additionally, December's humidity level sits at 56%, significantly lower than September's 72%, making December feel a bit more comfortable overall. For more detailed weather insights, you can check out Santa Teresa weather in September.
In comparing the weather between December and October, December is generally warmer with an average temperature of 22°C (73°F), while October averages at a cooler 17°C (63°F). The maximum temperature in December can reach up to 33°C (93°F), compared to 31°C (87°F) in October. However, October experiences slightly higher precipitation levels, with 90 mm (3.6 in) of rainfall over 9 days compared to 66 mm (2.6 in) over 6 days in December. Additionally, October has higher humidity at 63% versus December's 56%. For more details on October weather, you can visit Santa Teresa weather in October.
In comparing the weather between November and December, both months display similar minimum temperatures, with December maintaining a slightly higher average temperature of 22°C (73°F) compared to November's 20°C (69°F). December also experiences a maximum temperature of 33°C (93°F), which is a degree warmer than November's 31°C (87°F). Precipitation levels are comparable, with December seeing 66 mm (2.6 in) over 6 days and November registering 61 mm (2.4 in) over the same number of days. Interestingly, humidity remains somewhat high in both months, with December at 56% and November at 59%. For a closer look at November's weather specifics, you can visit Santa Teresa weather in November.
As December unfolds in Santa Teresa, the weather takes on a vibrant character that sets it apart from the rest of the year. With warm temperatures averaging around 22°C (73°F) and maximums soaring to 33°C (93°F), this month invites visitors to embrace the sun. While relatively humid at 56%, the pleasant warmth is often accompanied by light rainfall on about six days, contributing to the lush surroundings. In contrast to the cooler and more unpredictable months, December’s climate offers a delightful blend of warmth and occasional tropical showers, making it a prime time to explore the beauty of this coastal region. For a deeper look at the seasonal variations in weather, check out Santa Teresa Climate.