Last updated: April 14, 2025
Uruguay's climate is characterized by a diverse range of temperatures and precipitation patterns, making it a unique environment year-round. In Paysandú, the mercury dips as low as -4°C (26°F) in July, while soaring up to a scorching 42°C (108°F) in January, reflecting the continent's temperate climate. Rainfall varies significantly, with Rivera experiencing its wettest month in September, receiving up to 159 mm (6.2 in), contrasting with Rocha's minimum of 52 mm (2.0 in) in December. Humidity levels also fluctuate, reaching a minimum average of 54% in January in Río Negro and a peak of 87% in May in Cerro Largo. This combination of temperature extremes, variable precipitation, and fluctuating humidity defines the distinct climate of Uruguay, shaping its ecosystems and influencing agricultural practices.
Uruguay showcases a diverse climate landscape primarily classified under the Köppen-Geiger system. Most regions fall within the Cfa category, characterized by humid subtropical conditions with warm summers and mild winters. Notable areas like Artigas, Cerro Largo, and Montevideo exemplify this climate type, inviting lush vegetation and vibrant agriculture. Meanwhile, regions like Canelones and Lavalleja present a mix of Cfa and Cfb, indicating a transition to oceanic influence with cooler summers. Coastal areas such as Maldonado enjoy a mild Cfb climate, enhancing the charm of Uruguay's beaches. Together, these zones contribute to Uruguay's rich ecological tapestry and distinct seasonal variations, making it a captivating destination for climate enthusiasts.
| Climate Zone | Description |
|---|---|
| Cfa | Humid subtropical climate with hot summers and mild winters. |
| Cfb | Oceanic climate with mild temperatures and moderate rainfall year-round. |
Uruguay experiences a diverse temperature range throughout the year, showcasing the country’s unique climate character. January heats up with maximums soaring to 42°C (108°F) in Paysandú, while the minimums linger around 8°C (47°F) in Maldonado. As summer transitions into autumn in March, temperatures start to cool, with the lows dropping to 6°C (42°F) in Soriano and still reaching 38°C (101°F) in Artigas. April and May bring further reductions, falling to 1°C (33°F) in Paysandú by May’s end, juxtaposed with an uncharacteristic high of 31°C (89°F) in Rivera. The chill settles in during June and July, where temperatures dip below freezing at times, hitting -4°C (26°F) in Paysandú in July, yet still managing milder highs around 30°C (87°F) in Artigas. As spring approaches in September to December, the country begins to warm up again, culminating in a pleasant close to the year with 39°C (103°F) seen in Paysandú in December. This fluctuation from frigid lows to sweltering highs illustrates Uruguay's dynamic climate, appealing to a variety of seasonal visitors.
Uruguay showcases distinct precipitation patterns throughout the year, with notable variations in both the amount and frequency of rainfall. December brings the lowest precipitation levels, with just 52 mm (2.0 in) recorded in Rocha, coinciding with minimal rainfall days—merely 4 days in Paysandú. In contrast, September emerges as the wettest month, delivering a substantial 159 mm (6.2 in) in Rivera, while June witnesses a peak in rainy days, with up to 10 days in Rocha. These trends reveal a clear seasonal rhythm, with summer months generally drier and winter months seeing increased precipitation and frequency, reflecting Uruguay's dynamic climate.
Uruguay experiences notable variations in humidity throughout the year, with levels ranging from a minimum of 54% in January in Río Negro to a peak of 87% in May in Cerro Largo. This trend highlights the contrasting climate experiences across the country, where summer months can offer relatively dry conditions, while the autumn season tends to be much more humid. These fluctuations play a crucial role in shaping not only the weather patterns but also the agricultural practices and lifestyle preferences of the Uruguayan people.
Uruguay experiences notable variations in UV Index (UVI) levels across different regions, particularly during the peak summer month of January. In Montevideo, the average daily maximum UVI reaches an impressive 14, while nearby Artigas reports an even higher average of 15. This upward trend in UVI underscores the importance of sun safety practices, especially in these sun-drenched areas, as citizens and visitors alike must remain vigilant to protect themselves from potential overexposure to harmful ultraviolet radiation. With rising temperatures and intense sunshine, understanding these UV index trends is crucial for ensuring health and enjoyment during the summer months.
UV Risk Categories
In Uruguay, sunshine duration exhibits notable seasonal variations, particularly between the colder and warmer months. For instance, in June, the eastern region of Lavalleja receives 196 hours of sunlight, while nearby Paysandú enjoys a slightly brighter month with 216 hours. This contrasts sharply with December, when sunshine hours peak significantly. In Cerro Largo, sunlight soars to 371 hours, and in the coastal region of Maldonado, it reaches an impressive 386 hours. This seasonal shift highlights Uruguay's distinct climate, offering diverse experiences with each passing month, from the cooler, less sunny winters to the vibrant, sun-drenched summers.
The likelihood of sunny weather in Uruguay shows notable seasonal variation. For instance, in September, residents of Cerro Largo can expect only 24% of days to be sunny, indicating a relatively gloomy start to spring. However, come December, the sunny outlook dramatically improves in Río Negro, where the chances of sunny days soar to an impressive 77%. This trend highlights the transition from the cooler, overcast conditions of early spring to the bright, warm days of the summer season, making December an ideal time for outdoor activities in Uruguay.
In Uruguay, the variation in daylight hours throughout the year showcases the country's transition between seasons. In June, Montevideo experiences around 9 hours of daylight, providing a cozy atmosphere as winter takes hold. Conversely, December bathes the city in 14 hours of sunlight, ushering in the warmth of summer and inviting vibrant outdoor activities. This notable shift not only highlights the appeal of Uruguay's climate but also emphasizes the unique charm that each season brings to daily life in this beautiful coastal nation.
Nestled in the heart of Uruguay, Artigas experiences a varied climate that captivates both residents and visitors alike. Throughout the summer months of January and February, temperatures can soar up to 41°C (106°F), accompanied by relatively high humidity, creating a vibrant, sun-drenched atmosphere. As autumn unfolds into winter, the temperature drops, with July seeing lows around -2°C (28°F), bringing a cooler, crisp air. Despite fluctuating temperatures, rain is a regular visitor year-round, especially during the summer months when precipitation is at its peak. This dynamic climate not only shapes the landscape but also enriches the local culture and lifestyle, making Artigas climate a lively topic of conversation.
Canelones, Uruguay, experiences a diverse climate characterized by warm summers and chilly winters. In January, temperatures peak at a scorching 41°C (106°F), while the region enjoys an average of 23°C (74°F), coupled with a humidity of 63%. As the seasons shift, July brings cooler weather with lows dipping to -2°C (29°F) and an average of 11°C (52°F), though humidity remains moderate at 72%. Precipitation is consistent throughout the year, particularly in May and July, where rainfall exceeds 100 mm, creating a lush landscape. For a deeper dive into the climate specifics, check out Canelones climate.
Nestled in the heart of Uruguay, Cerro Largo experiences a diverse climate that offers warm summers and cooler winters. In January, temperatures can soar to a maximum of 40°C (105°F), while winter months, particularly July, see lows of -2°C (28°F). Rainfall is fairly distributed throughout the year, with January often experiencing the most precipitation at 131 mm (5.2 in), contributing to the region's lush landscapes. Humidity levels tend to be on the higher side, peaking in May and April, making the air feel especially thick during those months. Whether you enjoy sunny days or the crisp charm of winter, the unique Cerro Largo climate has something for everyone.
Colonia, Uruguay, boasts a diverse climate that invites both sun-seekers and those who enjoy milder temperatures. Summers can be warm, with January and February temperatures peaking at up to 41°C (107°F) and an average humidity of 64% and 68% respectively. As the seasons transition into fall and winter, the weather cools, ranging from 6°C (44°F) in March to chilly -1°C (30°F) during July. The region experiences moderate rainfall throughout the year, particularly in February, which sees around 104 mm (4.1 in) of precipitation. For weather enthusiasts, Colonia's climate is truly captivating—discover more about it here.
Situated in the heart of Uruguay, Durazno experiences a diverse climate that varies dramatically throughout the year. Summer months of January and February bring temperatures soaring up to 41°C (106°F), while the cooler winter months of July and August see lows dipping near -2°C (28°F). With average humidity levels peaking at 84% in May, the region often feels more humid than it is hot. Rainfall is abundant, particularly in late spring through early summer, ensuring a lush and vibrant landscape. To delve deeper into the local weather patterns, visit Durazno climate.
Nestled in the heart of Uruguay, Flores boasts a diverse climate that varies dramatically throughout the year. In January, temperatures can soar up to 41°C (106°F), while the winter months of June and July bring cooler conditions, with lows dipping to around -2°C (28°F). The region experiences its wettest months during the summer, with February recording about 111 mm (4.4 in) of rainfall, leading to a lush landscape. Humidity levels average around 70%, peaking in the autumn, making the air feel quite temperate. For detailed weather patterns and insights, check out Flores climate.
Nestled in the heart of Uruguay, Florida's climate offers a unique blend of seasonal shifts, with temperatures ranging from a brisk 1°C (35°F) in May to scorching highs of 41°C (106°F) in January. The summer months bring warmth and humidity, topping off at an average of 79% in April, while winter chills can dip to -2°C (29°F) in July. Rainfall varies throughout the year, with the wettest months of June and September receiving about 113 mm (4.4 in) and 101 mm (4.0 in) respectively, contributing to lush landscapes. Whether you're soaking in the sunny warmth or enjoying the refreshing cooler months, Florida presents a climate that captivates all year round. For more information, check out the detailed Florida climate.
Nestled in the heart of Uruguay, Lavalleja experiences a climate that dances between the coolness of winter and the warmth of summer. January's balmy temperatures can soar up to 40°C (104°F), while July brings a chill with lows dipping to -1°C (30°F). Rainfall peaks in June, reaching 128 mm (5.0 in), contributing to the lush landscapes, and humidity stays moderately high throughout the year, especially in the summer months. With its blend of sunny days and refreshing showers, Lavalleja offers a climate that is as diverse as its stunning scenery. For more details about the region's weather patterns, check the Lavalleja climate.
Nestled along the southern coast, Maldonado, Uruguay experiences a climate marked by mild winters and warm summers. January and February shine with average temperatures around 22°C (72°F), drawing visitors to enjoy the vibrant beaches despite occasional rain. As the seasons shift, the cooler months of May through August see temperatures dip to around 11°C (52°F) and notable humidity levels, making it a cozy retreat. With rainfalls peaking in the winter months, there’s ample opportunity for nature lovers to relish the lush landscapes. For more details on this captivating climate, visit Maldonado climate.
Montevideo, Uruguay, experiences a dynamic climate that shifts with the seasons. During the summer months of January and February, temperatures soar with highs around 39°C (103°F), accompanied by moderate humidity levels, making beach days irresistible. As autumn approaches in March and April, the weather cools, offering a comfortable range of 19°C to 32°C (66°F to 90°F), though occasional rain is expected. Winters are mild, with temperatures dipping as low as 1°C (34°F) in July, while humidity remains relatively high, keeping the air crisp. Whether you're enjoying the sun or cozying up during the cooler months, Montevideo's climate provides a year-round allure for visitors—discover more about it at Montevideo climate.
Nestled in Uruguay, Paysandú experiences a varied climate characterized by hot summers and cool winters. January and February shine with temperatures soaring to an impressive 42°C (108°F), while July chills to a brisk -4°C (26°F). The region sees its heaviest rainfall in the summer months, particularly January with 124 mm (4.9 in), contributing to relatively high humidity levels that peak in May at 84%. As the seasons shift, the weather remains dynamic, creating a unique tapestry of experiences throughout the year. Explore more about the nuances of the local weather by visiting Paysandú climate.
Nestled in Uruguay, Rivera experiences a temperate climate that showcases a rich tapestry of seasonal variations. Summer months, particularly January and February, can soar with temperatures peaking at 40°C (104°F), while humid conditions keep the air feeling vibrant, albeit warm. As the seasons shift, autumn brings cooler temperatures and increased rainfall, with April and May receiving around 130 mm (5.1 in) of precipitation. In winter, temperatures drop to a crisp minimum of -3°C (28°F) in July, coupled with a relative humidity of about 72%, making it the perfect time for cozy fires and warm sweaters. Discover more about this fascinating climate at Rivera climate.
Nestled along Uruguay's scenic coastline, Rocha experiences a diverse climate that captivates throughout the year. Summer months, particularly January and February, see temperatures soaring up to 40°C (103°F), accompanied by humidity levels around 76%. As the days transition into cooler autumn in March and April, the weather offers a more temperate average of 21°C (70°F), although rainfall can be frequent, especially in June when it peaks at 136 mm (5.3 in). Winter in Rocha brings cooler breezes with temperatures dipping below 0°C (32°F), yet the coastal charm remains irresistible. For a deeper dive into the fascinating weather patterns, check out the detailed Rocha climate.
Río Negro, Uruguay, experiences a diverse climate, with summer temperatures peaking at a toasty 42°C (108°F) in January and averaging 25°C (77°F), while the cooler months of July and June bring down the mercury to lows around -3°C (27°F). Rainfall is fairly consistent throughout the year, particularly in summer, with January receiving about 119 mm (4.7 in), contributing to a humidity level that hovers between 54% and 85%. The transition into autumn and winter sees a gradual decline in temperature and moisture, making for crisp, refreshing days. Despite its variability, the climate creates a vibrant backdrop for outdoor activities and agricultural pursuits. For more details, check out the full overview of Río Negro climate.
Nestled in the heart of Uruguay, Salto boasts a varied climate that transitions from warm summers to cooler winters. During January, temperatures can soar to a scorching 42°C (108°F), while winter months like July dip down to a chilly -3°C (27°F). The city experiences its highest rainfall in the summer months, particularly in January and May, where precipitation reaches over 127 mm (5.0 in). Humidity levels fluctuate throughout the year, peaking at 82% in May, adding to the region's lush landscapes. For a detailed look at what to expect, visit Salto climate.
San José, Uruguay, experiences a diverse climate marked by distinct seasons, with January and February bringing warm temperatures that can soar up to 41°C (106°F). As summer transitions into autumn, cooling averages and increased humidity give way to milder conditions, peaking at 34°C (93°F) in April before dipping into the cooler months, where temperatures can fall below freezing in July. Rainfall varies throughout the year, with May often being the wettest month, seeing up to 106 mm (4.2 in) of precipitation. Despite the occasional showers, the city enjoys delightful weather, ideal for exploring its vibrant charm. For more details, visit San José climate.
Soriano, Uruguay experiences a diverse climate characterized by warm summers and cool winters. January sees temperatures soar to a high of 41°C (107°F), while the cooler months of July and August bring lows of -2°C (29°F). Humidity fluctuates throughout the year, peaking in the autumn months, creating a rich environment that supports lush landscapes. With precipitation reaching its highest in February at 113 mm (4.5 in), the region enjoys a well-balanced yearly rainfall, perfect for agriculture and outdoor activities. For a detailed view of what to expect, visit Soriano climate.
Tacuarembó, Uruguay, experiences a diverse climate that ranges from warm summers to chilly winters. January brings the highest temperatures, with averages around 24°C (76°F), while July often sees lows of -3°C (26°F). Rainfall is significant, especially in late winter and early spring, peaking in September with 149 mm (5.9 in) of precipitation. Humidity levels fluctuate throughout the year, generally hovering around 60% to 82%, adding to the region's lush landscapes. For a closer look at the seasonal variations, explore more about the Tacuarembó climate.
In Treinta y Tres, Uruguay, the climate is marked by hot summers and mild winters, offering a diverse range of temperatures throughout the year. January and December welcome warmth, with averages around 24°C (75°F) and 22°C (72°F), while July sees cooler days averaging 12°C (53°F). Precipitation varies, with the wettest months occurring during winter and early spring, contributing to a humidity level that can reach a peak of 86% in May. This mix of warmth and moisture fosters a lush environment, making Treinta y Tres a captivating destination. For more detailed insights, explore the Treinta y Tres climate.
Uruguay’s climate is characterized by its notable extremes and seasonal diversity. With minimum temperatures dipping as low as -4°C (26°F) in July in Paysandú and soaring to a sizzling 42°C (108°F) in January, the country experiences a wide thermal range that shapes its agricultural and social practices. Precipitation patterns reflect this diversity as well, with September bringing the highest rainfall at 159 mm (6.2 in) in Rivera, while December sees a driest period with just 52 mm (2.0 in) in Rocha. Humidity levels swing significantly too, peaking at 87% in May in Cerro Largo and dropping to an average minimum of 54% in January in Río Negro. This blend of temperature, precipitation, and humidity not only highlights Uruguay’s climatic extremes but also showcases the dynamic interplay of environmental factors that influence both the landscape and lifestyle across the region.