Last updated: January 18, 2025
Colonia, Uruguay, exhibits a Cfa (Humid Subtropical) climate, characterized by hot summers and mild winters. The region experiences a broad temperature range, with a notably low minimum of -1°C (30°F) during the coldest month of June, while summer months can soar to a scorching maximum of 41°C (107°F) in January. On average, the temperature hovers around a comfortable 18°C (64°F), making Colonia a locale of diverse and dynamic weather patterns throughout the year.
Colonia, Uruguay, showcases distinct seasonal temperature patterns throughout the year, with hot summers and cold winters. January marks the peak of summer, featuring minimum temperatures of 12°C (53°F) and soaring maximums up to 41°C (107°F), while February remains warm with averages around 23°C (74°F). As autumn approaches in March and April, temperatures begin to decline, with averages dropping to 21°C (70°F) in March and further to 19°C (66°F) in April, while nighttime lows settle at around 5°C (41°F). Winter takes hold in June and July, with minimum temperatures dipping to -1°C (30°F), and average daily highs persistently around 27°C (80°F). The transition to spring in September brings a gradual warming trend, culminating in pleasant averages of 20°C (69°F) by November, as the cycle returns to warmer conditions, signified by December's minimums and averages of 6°C (44°F) and 23°C (73°F), respectively.
Santa Teresa and Colonia del Sacramento experience similar temperature ranges, with a minimum of 3°C (38°F) in June and a maximum of 37°C (99°F) in January. For more detailed information on the climate in Santa Teresa, visit monthly temperatures in Santa Teresa, and for Colonia del Sacramento, check monthly temperatures in Colonia del Sacramento.
Colonia, Uruguay, experiences a notable distribution of precipitation throughout the year, with the summer months of January and February witnessing the highest rainfall, measuring 83 mm (3.3 in) and 104 mm (4.1 in), respectively. This period also sees an increase in rainy days, with February averaging 7 days of precipitation. The early autumn month of March retains significant rainfall, at 93 mm (3.7 in), before tapering off in April to 76 mm (3.0 in).
As the cooler months set in, precipitation levels generally decline, reaching a minimum of 69 mm (2.7 in) in June. The winter months, however, still experience consistent rainfall, with July recording 87 mm (3.4 in) over 8 days. Moving into spring, monthly averages fluctuate with October seeing 94 mm (3.7 in), the highest in this season. Overall, Colonia enjoys a relatively even distribution of rainfall, with most months experiencing between 66 mm (2.6 in) and 104 mm (4.1 in), fostering a vibrant environment throughout the year.
Colonia, Uruguay, showcases a captivating seasonal rhythm in sunshine duration, with the brightest months occurring during the summer. January leads with an impressive 300 hours of sunshine, closely followed by February at 315 hours. As summer wanes into March, the sunshine hours remain high at 312 hours, reflecting a robust trend of abundant sunlight. Transitioning into autumn—particularly in April and May—there is a noticeable decline in daylight hours, with April recording 262 hours and May further down to 226 hours as overcast days become more frequent.
The winter months bring the least sunshine, with June, July, and August averaging around 212 to 257 hours, creating a stark contrast to the preceding summer. However, as spring approaches, sunshine duration begins to rise again, culminating in November's remarkable 339 hours, signaling a return to longer, sunnier days. By December, sunshine peaks at an impressive 382 hours, making it a prime month for enjoying outdoor activities. Overall, Colonia's sunshine trends not only highlight the vibrant energy of summer but also illustrate the gentle transition between seasons, significantly impacting the region's climate and lifestyle.
Colonia, Uruguay, experiences significant variations in the UV Index throughout the year, with the highest levels typically occurring during the summer months. January tops the charts with a striking UV Index of 15, categorized as extreme, meaning that unprotected skin can burn within just 10 minutes. February and March follow closely with indices of 13 and 11, respectively, maintaining this extreme risk for sun exposure. As the weather transitions into autumn, April sees a drop in the UV Index to 8, classified as very high, allowing for slightly more time outdoors before sunburn occurs, although the risk remains notable.
As the cooler months of winter approach, the UV Index continues to decline, with values averaging 4 to 5, categorized as moderate. This trend allows for longer exposure times of up to 30 minutes with less risk of skin damage. However, as spring emerges, a resurgence occurs, with figures rising again to 8 in September and reaching back to extreme levels of 13 in November. December wraps up the year with a UV Index of 14, emphasizing the need for sun protection during the summer's peak intensity. Understanding these fluctuations is crucial for residents and visitors alike to safeguard against UV-related health risks while enjoying the outdoors.
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Colonia, Uruguay, experiences a noticeable variation in daylight duration throughout the year, with clear seasonal trends. During the summer months, daylight peaks in January and December, each offering an impressive 14 hours of sunlight. February and March follow closely, with 13 and 12 hours of daylight, respectively, allowing ample time for outdoor activities under the sun. As autumn begins in April, the number of daylight hours gradually decreases to 11 hours, and this diminishment continues into the winter months.
The winter season brings the least amount of daylight, with June recording just 9 hours. However, by late June into July, daylight hours stabilize at 10 hours, indicating a brief period of consistency despite the colder weather. As spring approaches, daylight begins to increase, peaking again at around 13 hours in November as the days lengthen. This rhythmic cycle underscores Colonia's vibrant seasonal shifts, providing residents and visitors with a dynamic experience of natural light throughout the year.
Colonia del Sacramento, Uruguay, experiences a temperate climate with warm summers and mild winters. January is the hottest month, with average temperatures around 24°C (76°F) and significant sunshine hours at 300 per month, while July sees cooler temperatures averaging 11°C (52°F). Precipitation is spread throughout the year, peaking in February and March with about 86 mm (3.4 in) each. The city enjoys a relatively high number of sunny days, especially in November and December, making it an appealing destination year-round. For more detailed information, visit the Colonia del Sacramento climate.
Santa Teresa, Uruguay, enjoys a temperate climate with warm summers and mild winters. January is the hottest month, featuring temperatures ranging from a minimum of 15°C (60°F) to a maximum of 37°C (99°F), while July experiences cooler weather with an average of 11°C (52°F). Precipitation is fairly consistent throughout the year, peaking in February and March with approximately 86 mm (3.4 in) of rainfall, and sunshine hours are abundant, especially in December with around 382 hours. Overall, the region offers a pleasant climate ideal for outdoor activities year-round. For more details, visit Santa Teresa climate.
In summary, Colonia, Uruguay, presents a diverse and dynamic climate characterized by distinct seasonal variations in temperature, precipitation, sunshine duration, UV Index, and daylight hours. These climatic elements not only enhance the region's natural beauty but also influence the lifestyle and recreational opportunities available to its residents and visitors. With hot, sunny summers dominated by high UV levels and extended daylight hours, alongside mild winters featuring cooler temperatures and reduced sunlight, Colonia offers a unique environment that celebrates the rhythms of nature. Understanding these patterns is essential for effectively engaging with the local climate, ensuring enjoyable outdoor experiences while also promoting awareness of sun safety and environmental conservation.