Last updated: January 18, 2025
The climate of Rivera, Uruguay, is classified under the Köppen-Geiger system as Cfa, indicative of a humid subtropical climate. Characterized by distinct seasonal variations, temperatures in Rivera experience a minimum of -3°C (28°F) in July, reaching a maximum of 40°C (104°F) in January. The average annual temperature hovers around 18°C (65°F), reflecting a temperate environment that fosters diverse ecological landscapes and influences local agricultural practices.
Rivera, Uruguay, exhibits a diverse temperature profile throughout the year, characterized by warm summers and cooler winters. January, the peak of summer, sees minimum temperatures around 11°C (52°F) and can soar to a maximum of 40°C (104°F), while the average hovers at 24°C (76°F). As the seasons transition into fall, February and March maintain similar warm trends with averages of 23°C (74°F) and 22°C (71°F) respectively. However, by April, the temperatures begin to cool significantly, with averages dropping to 19°C (67°F), and further decreases occur into the winter months. July marks the coldest period, with minimums reaching -3°C (28°F) and an average of just 12°C (54°F). As spring approaches in September and October, temperatures gradually rise again, leading to mild autumn conditions with averages of 16°C (61°F) and 18°C (64°F). This seasonal oscillation between warm summers and crisp winters underscores Rivera's distinctive climatic rhythm.
In the region of Rivera, temperatures exhibit a notable range across the year. Vichadero experiences minimum temperatures of -2°C (28°F) in July, peaking at 39°C (102°F) in January, as detailed in the monthly temperatures in Vichadero. Similarly, Rivera has a minimum of -2°C (29°F) in August and reaches a maximum of 39°C (103°F) in January, which can be found in the monthly temperatures in Rivera. Tranqueras mirrors this climate pattern with minimums of -2°C (28°F) in July and maximums of 39°C (103°F) in January, highlighted in the monthly temperatures in Tranqueras.
Precipitation patterns in Rivera, Uruguay, reveal a nuanced distribution throughout the year, with the summer months generally experiencing higher rainfall. January stands out as the wettest month, with an average of 147 mm (5.8 in) of rain falling over approximately 9 days, closely followed by February at 102 mm (4.0 in) across 8 days. As the season transitions into autumn, March and April witness a slight decrease in precipitation to 89 mm (3.5 in) and 97 mm (3.8 in) respectively. However, May sees an uptick in rainfall, with 130 mm (5.1 in) occurring over 9 days, indicating a continued need for water resources in the region as the growing season progresses.
As winter settles in, Rivera experiences varying precipitation levels, with June showing 108 mm (4.2 in) of rainfall spread across 8 days and July slightly lowering to 91 mm (3.6 in) over 7 days. The latter part of the year exhibits mixed patterns, with September receiving 159 mm (6.2 in) over 9 days, marking a resurgence in rainfall as spring approaches. Notably, December is the driest month, yielding only 59 mm (2.3 in) of precipitation across 5 days, closing the year with drier weather. This seasonal variability provides essential moisture to the local ecosystem, effectively supporting agricultural practices in the region.
Sunshine duration in Rivera, Uruguay, showcases distinct seasonal patterns, with the most radiant months falling in the summer. January marks the start of the year with 273 hours of sunshine, which begins a trend of increasing light that peaks in December with an impressive 377 hours. Following closely, February and March also shine brightly, accumulating 316 hours and 318 hours respectively. This warm, sunny period not only encourages outdoor activities but also supports agricultural productivity in the region, as crops benefit from those abundant sunlight hours.
As fall transitions into winter, there is a noticeable decline in sunshine hours, with May receiving only 220 hours and June dipping to 207 hours, the lowest of the year. Although July sees a slight increase to 229 hours, the month retains cooler temperatures and shorter days. The arrival of spring rekindles sunshine, with hours gradually rising through August and September, showcasing 258 and 231 hours respectively. October and November continue this upward trend, culminating in a return to near-summer levels of sunshine. This gradual rise from the winter months into the summer signals not just a change in climate but also a shift in the rhythm of life in Rivera, as residents eagerly anticipate longer, sunnier days.
The UV Index in Rivera, Uruguay, presents a clear seasonal pattern, with notably high levels during the summer months and a marked decrease in intensity during the winter. January opens the year with an extreme UV Index of 15, indicating a burn time of just 10 minutes under direct sunlight. This high UV exposure continues into February and March, where values remain significantly elevated at 14 and 12 respectively, reinforcing the need for adequate sun protection during these peak months. The extreme conditions demand vigilance, as the intense UV rays can quickly lead to skin damage and warrant proactive sun safety measures.
As autumn arrives and transitions to winter, the UV Index begins to decline. In April, it drops to a still-significant value of 9, classified as very high, with a slightly increased burn time of 15 minutes. By May and June, the UV Index further reduces to moderate levels, falling to 5 and 4 with longer burn times of 30 minutes. Despite the colder months, some moderate UV exposure persists in July and August, highlighting that sun safety remains important even outside the traditional summer season. The UV Index begins to rise again in spring, particularly in October and November, where conditions ramp up to extreme levels once more, reminding residents of Rivera that vigilance against UV exposure is crucial year-round.
UV Risk Categories
Daylight duration in Rivera, Uruguay, exhibits a clear seasonal progression, characterized by long, sunlit days in summer and shorter days in winter. During the peak summer months of January and February, residents enjoy approximately 13 hours of daylight, providing ample opportunity for outdoor activities and social gatherings. As autumn arrives in March, daylight begins to wane slightly, with a reduction to 12 hours, and continues to decrease through April to 11 hours. The shorter daylight hours in May mark the approach of winter, where a further decline brings daylight down to 10 hours.
As winter settles in from June to July, daylight duration remains consistent at 10 hours, creating a subdued atmosphere in Rivera. However, as spring approaches in August, daylight duration begins to recover, returning to 11 hours. This upward trend continues into October, when it increases to 12 hours. Notably, November heralds the return of longer daylight periods at 13 hours once again, culminating in December, which boasts the longest day of the year with 14 hours of sunlight. This cyclical pattern of daylight duration significantly influences the lifestyle and activities of the community throughout the year.
Minas de Corrales, Uruguay, experiences a temperate climate with warm summers and cool winters. January averages 25°C (76°F) with the highest temperatures reaching up to 40°C (104°F), while July cools down to an average of 12°C (54°F), with lows of -3°C (28°F). Precipitation is heaviest in January with 142 mm (5.6 in), tapering off to a drier December with only 57 mm (2.3 in). The region enjoys abundant sunshine, particularly in November and December, with up to 379 hours of sun. For more details, visit Minas de Corrales climate.
The climate in Rivera, Uruguay, features warm summers and cool winters. January and February are the hottest months, with average temperatures reaching 25°C (76°F) and 24°C (75°F), respectively, and significant precipitation of 152 mm (6.0 in) in January. In contrast, July is the coldest month, with an average of 12°C (54°F) and less rainfall at 89 mm (3.5 in). The region enjoys abundant sunshine throughout the year, particularly in December, which sees 377 hours of sun. For detailed climate data, visit Rivera climate.
Tranqueras, Uruguay experiences a temperate climate characterized by warm summers and cool winters. January is the warmest month, with average temperatures reaching 24°C (76°F) and significant sunshine hours at 274. Precipitation is highest during January and September, with 144 mm (5.7 in) and 160 mm (6.3 in) respectively. Winters, particularly June and July, see the coldest temperatures, dipping to around -2°C (28°F) with moderate rainfall. For more detailed information, visit Tranqueras climate.
Vichadero, Uruguay experiences a temperate climate characterized by warm summers and cool winters. January features the highest temperatures, with averages around 24°C (76°F), while July sees cooler temperatures, dropping to an average of 12°C (54°F). Precipitation is notable, particularly in the summer months; January records up to 149 mm (5.9 in) of rain. Sunshine hours are abundant in December, with 373 hours, contributing to the region's vibrant atmosphere. For more details, visit Vichadero climate.
In conclusion, the climate and environmental factors of Rivera, Uruguay, including temperature fluctuations, precipitation patterns, UV Index levels, and daylight duration, contribute significantly to the region's unique ecosystem and quality of life. The marked seasonal variations reflect a dynamic climatic landscape—from the warmth and abundant sunshine of summer to the cooler, shorter days of winter. Understanding these trends not only enhances appreciation for the local environment but also underscores the importance of adapting lifestyle and outdoor activities in accordance with changing conditions. As Rivera continues to thrive within this climate framework, both residents and visitors are urged to embrace sustainable practices that respect and protect this vibrant ecological balance.