Last updated: August 28, 2025
In January, Montevideo offers a delightful summer experience, with temperatures typically reaching a maximum of 31°C (87°F) and an average of 23°C (73°F), providing perfect conditions for outdoor activities. The evenings cool down to a comfortable minimum of 17°C (62°F), making it ideal for late-night strolls along the coast. However, travelers should prepare for a few drizzles, as the city experiences an average precipitation of 61 mm (2.4 in) over 5 days this month, and humidity hovers around 63%. Overall, January in Montevideo is a vibrant time to explore the city's rich culture and beautiful landscapes.
In January, Montevideo basks in the warmth of summer, boasting temperatures that range from a comfortable 17°C (62°F) at night to an inviting 31°C (87°F) during the day. With an average temperature of 23°C (73°F), this month presents the perfect opportunity for beach lovers and outdoor enthusiasts to indulge in the vibrant atmosphere of the city. As summer transitions into February, the heat slightly eases with daily highs around 29°C (84°F) and lows dipping to 16°C (62°F). This trend continues into March, where temperatures remain warm but begin to cool down progressively, setting the stage for the milder climates of autumn in the following months. Overall, January marks the height of warmth in Montevideo, making it an ideal time for sun-seekers to enjoy the city's lively summer energy.
In January, Montevideo experiences a pleasant 61 mm (2.4 in) of precipitation, falling over an average of just 5 days. This marks the beginning of a trend where rainfall remains moderate yet increases gradually in the subsequent months. As summer transitions into autumn, February sees a rise to 84 mm (3.3 in), followed by March at 74 mm (2.9 in), indicating an overall shift towards wetter conditions. Interestingly, the wettest months are May and July, with 115 mm (4.5 in) and 122 mm (4.8 in) of rain, respectively, highlighting a peak in precipitation. By late spring, however, the trend begins to ease again, as November and December see a return to lower figures, echoing the drier conditions of early summer. This consistent fluctuation underscores Montevideo's dynamic climate, offering a blend of sunny days and refreshing rainfall throughout the year.
In January, Montevideo experiences a moderate humidity level of 63%, setting the stage for the summer heat. As the season progresses into February, humidity rises to 69%, indicating a growing heaviness in the air. By March, this trend continues, with humidity reaching 73% and signaling the onset of more tropical conditions. The following months see a steady increase, peaking at 82% in May, as cooler temperatures and increased moisture converge. While June cools slightly to 80%, the humid atmosphere persists, enveloping the city throughout winter. As the year transitions into July and August, a decline to 72% suggests a slight respite, yet the humidity remains significantly elevated. By September, it climbs once again to 76%, before tapering off in the final months of the year with 68% in November and 65% in December. Overall, Montevideo's humidity demonstrates a distinct seasonal cycle, peaking in the late autumn and early winter, while remaining notably high throughout the year.
In January, Montevideo experiences its peak UV Index of 14, classifying the exposure risk as extreme with a quick burn time of just 10 minutes. This high level of UV radiation continues into February, only slightly decreasing to an index of 13 but maintaining that critical exposure category. As the summer months progress into March, the UV Index dips to 11, yet still remains in the extreme range. A noticeable shift occurs in April when the index drops to 7, lowering the risk to high and allowing a longer burn time of 25 minutes. The trend continues through the cooler months, with a further decline to a moderate risk by May, where the UV Index rests at 5. However, as the year progresses, the UV levels gradually rebound, peaking again in November with another extreme index of 13 before resetting to 14 in December. For more detailed insights into the UV Index fluctuations throughout the year, check out Montevideo UV Index.
UV Risk Categories
In January, Montevideo basks in a radiant 305 hours of sunshine, setting the tone for a summer bursting with warmth and vitality. As the month transitions into February, this brilliance intensifies slightly to 316 hours. March continues this trend, peaking at 321 hours, making it one of the sunniest months of the year. However, as autumn approaches in April, sunshine dips to 265 hours, marking the beginning of a gradual decline that continues through the winter months of June and July, both recording 211 hours. The days turn brighter again in August, with an increase to 247 hours, while September offers 263 hours. The radiance returns with gusto in October, boasting 310 hours, and November shines even brighter, hitting 342 hours. By December, Montevideo celebrates the year’s end with a dazzling 385 hours of sunshine, showcasing a notable seasonal shift towards abundance as the year wraps up. This intricate dance of daylight showcases the city’s dynamic climate, inviting both locals and visitors to relish in its sunny charm.
In Montevideo, Uruguay, January enjoys a notably high 62% chance of sunny weather, making it one of the brightest months of the year. As summer peaks, the likelihood of clear skies surpasses that of February and March, which drop to 55% and 50% respectively. This trend illustrates how January stands out, offering ample opportunities for sunshine-filled days. Interestingly, the chance of sun begins to rise again in April and October, both reaching 68%, suggesting a seasonal ebb and flow that captivates residents and visitors alike. Overall, those planning a trip in January can anticipate a delightful blend of warmth and sunshine, ideal for enjoying the vibrant coastal atmosphere.
In Montevideo, Uruguay, January ushers in the longest days of the year, offering a generous 14 hours of daylight. As the months progress, daylight gradually diminishes, with February seeing a slight decrease to 13 hours. March and April continue this trend, reducing to 12 and 11 hours, respectively. The shortest days arrive in June, where sunshine is limited to just 9 hours. Interestingly, daylight begins its slow rebound in July, returning to 10 hours, and this consistency persists through August. By September, daylight inches back up to 11 hours, and the rhythm continues with 12 hours in October and 13 in November. The cycle closes as December mirrors January, returning to a vibrant 14 hours of daylight, beautifully highlighting the seasonal pattern of light in Montevideo.
In January, Montevideo greets summer with a gentle average wind speed of 6.3 m/s (14 mph), creating a pleasant atmosphere for beachgoers and outdoor enthusiasts alike. As the month progresses into February, the winds pick up slightly to 6.4 m/s (14 mph), maintaining a refreshing breeze. However, by March, there's a noticeable dip to 6.0 m/s (13 mph), hinting at the transition towards autumn. The trend continues with April's winds softening further to 5.9 m/s (13 mph). Interestingly, a resurgence occurs in May and June, where stronger gusts return at 6.7 m/s (15 mph), and this robust air continues into July. Following this peak, winds gradually decrease again, particularly through the late winter months, with August experiencing the lowest at 4.8 m/s (11 mph). As spring blooms in September, the winds recover slightly to 6.9 m/s (15 mph) and are followed by November, which boasts the strongest winds of the year at 7.1 m/s (16 mph). The year rounds off with December's gentle winds returning to 6.4 m/s (14 mph), echoing January’s calm start. This dynamic wind pattern highlights Montevideo's refreshing coastal climate, making it an inviting destination year-round.
Weather in Montevideo varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Montevideo, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of January and February, January typically sees slightly warmer temperatures, with averages around 23°C (73°F) and maximums reaching up to 31°C (87°F). In contrast, February experiences a minor dip in daytime highs, peaking at 29°C (84°F) with an average of 22°C (73°F). Precipitation is notably higher in February, totaling 84 mm (3.3 in) over about nine days, compared to January’s 61 mm (2.4 in) across five days. Additionally, humidity increases from 63% in January to 69% in February, making the latter month feel a bit more muggy. For more detailed insights, you can check Montevideo weather in February.
In January, the weather is typically warm with temperatures ranging from a minimum of 17°C (62°F) to a maximum of 31°C (87°F) and an average of 23°C (73°F). The month sees about 61 mm (2.4 in) of precipitation over roughly 5 days, with humidity levels averaging 63%. In contrast, March experiences slightly cooler temperatures, with a minimum of 14°C (57°F) and a maximum of 29°C (84°F), averaging at 21°C (70°F). However, March is also wetter, receiving 74 mm (2.9 in) of rain over 7 days and higher humidity at 73%. For a detailed look at the weather in March, check Montevideo weather in March.
In comparing the weather between January and April, we see a notable difference in temperature and humidity levels. January experiences warmer temperatures, with a minimum of 17°C (62°F) and an average high of 31°C (87°F), while April is cooler, with a minimum of 12°C (53°F) and a maximum of 27°C (82°F). Precipitation also varies, as April receives more rainfall (87 mm) compared to January (61 mm), and experiences precipitation over more days, which could contribute to the higher humidity levels in April at 79%, versus January's 63%. For a detailed look at the climate in April, visit Montevideo weather in April.
In January, Montevideo experiences warm weather with temperatures ranging from a minimum of 17°C (62°F) to a maximum of 31°C (87°F). The average temperature sits at a comfortable 23°C (73°F), accompanied by relatively low precipitation of 61 mm (2.4 in) over just 5 days and a humidity level of 63%.
In contrast, May brings cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 22°C (72°F), resulting in an average of 16°C (60°F). The month also sees an increase in precipitation to 115 mm (4.5 in), distributed over 8 days, and higher humidity at 82%. Thus, while January is characterized by warmth and sunshine, May is marked by cooler conditions and more frequent rain. For more details, check out Montevideo weather in May.
In January, Montevideo experiences warmer temperatures, with a minimum of 17°C (62°F) and a maximum of 31°C (87°F), creating a comfortable summer climate perfect for outdoor activities. In contrast, June brings a significant drop in temperatures, with lows around 7°C (44°F) and highs reaching only 20°C (69°F), making for a much cooler and crisper atmosphere. Additionally, while January sees about 61 mm (2.4 inches) of precipitation over 5 days, June has more substantial rainfall at 91 mm (3.6 inches) spread across 10 days, alongside a higher humidity level of 80%. For more details on the weather in June, you can visit Montevideo weather in June.
Comparing the weather in January and July reveals a striking contrast in temperatures and conditions. In January, the days are warm, with average temperatures ranging from a minimum of 17°C (62°F) to a maximum of 31°C (87°F), coupled with relatively low precipitation of 61 mm (2.4 in) over just 5 days. In contrast, July brings cooler weather, with average temperatures dropping to a minimum of 6°C (43°F) and a maximum of 19°C (67°F). Additionally, rainfall increases significantly to 122 mm (4.8 in) spread over 10 days, and humidity rises slightly to 72%. For more specific details about summer conditions, you can check this link: Montevideo weather in July.
January in Montevideo is characterized by warm temperatures, with a minimum of 17°C (62°F), an average of 23°C (73°F), and a maximum of 31°C (87°F). The month experiences relatively low precipitation, with about 61 mm (2.4 in) occurring over just 5 days and humidity levels around 63%. In contrast, August brings much cooler weather, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 19°C (67°F) and an average of 12°C (54°F). Precipitation increases to 81 mm (3.2 in), spread over 8 days, and humidity rises slightly to 72%. For more detailed insights into the weather conditions during this month, you can visit Montevideo weather in August.
In January, the weather is characterized by warmer temperatures, with averages ranging from a minimum of 17°C (62°F) to a maximum of 31°C (87°F). This month sees relatively low precipitation at 61 mm (2.4 in) over only 5 days, accompanied by moderate humidity at 63%. In contrast, September presents a cooler climate, with temperatures dropping significantly, featuring a minimum of 7°C (45°F) and an average of 14°C (57°F), peaking at 24°C (75°F). Precipitation increases to 91 mm (3.6 in) over 8 days, and humidity is higher at 76%. For more detailed information on September weather, visit Montevideo weather in September.
In January, the weather in Montevideo is warm, with minimum temperatures around 17°C (62°F) and maximum temperatures reaching up to 31°C (87°F), creating an average of 23°C (73°F). This month experiences about 61 mm (2.4 inches) of precipitation over approximately 5 days, accompanied by a humidity level of 63%. In contrast, October presents a cooler climate, with minimum temperatures dropping to 8°C (47°F) and a maximum of 23°C (73°F), averaging 16°C (61°F). The month sees increased rainfall, totaling 85 mm (3.3 inches) across 8 days, alongside a higher humidity level of 71%. For more details on October weather, you can visit Montevideo weather in October.
In January, the weather is generally warmer, with temperatures ranging from a minimum of 17°C (62°F) to a maximum of 31°C (87°F) and an average of 23°C (73°F). The humidity levels are at 63%, and there is some precipitation, totaling 61 mm (2.4 in) over about 5 days. In contrast, November experiences slightly cooler temperatures, with a minimum of 12°C (55°F) and a maximum of 27°C (81°F), averaging 19°C (66°F). The month tends to be a bit wetter, with 66 mm (2.6 in) of rainfall spread over 7 days and a higher humidity level of 68%. For more details, you can check Montevideo weather in November.
January tends to be warmer than December, with average temperatures ranging from a minimum of 17°C (62°F) to a maximum of 31°C (87°F), compared to December's range of 13°C (57°F) to 29°C (84°F). Both months experience similar precipitation levels at 61 mm (2.4 in) over approximately five days; however, January's higher humidity at 63% compared to December's 65% may contribute to a more muggy feel. For a closer look at what to expect, check out Montevideo weather in December.
In January, Montevideo basks in the warmth of summer, with pleasant temperatures that typically hover around a comfortable average. Unlike the cooler months, January offers a delightful mix of sunny days and occasional rain, making it an ideal time for beachgoers and outdoor enthusiasts alike. Although humidity levels reach a moderate 63%, the city's vibrant atmosphere more than compensates. With just a few days of precipitation, the weather remains generally favorable for exploration and adventure. For those interested in a fuller understanding of the city's climate patterns, check out Montevideo Climate to prepare for your visit.