Last updated: August 28, 2025
May in Montevideo, Uruguay ushers in mild temperatures, with a maximum reaching 22°C (72°F) and an average of 16°C (60°F), while nighttime lows dip to 8°C (47°F). The month is characterized by a relatively humid climate, with levels around 82%. Rainfall totals 115 mm (4.5 in), spread over approximately 8 days, creating a lush and vibrant environment. Whether strolling along the coastline or exploring the city's cultural scene, May's weather offers a refreshing backdrop for outdoor activities.
In May, Montevideo, Uruguay begins to showcase its autumn charm as temperatures take a noticeable dip. With minimums dropping to 8°C (47°F) and average temperatures settling around 16°C (60°F), the days are comfortably mild, ideal for cozy outings. While the maximum temperature reaches only 22°C (72°F), it marks the transition into cooler weather compared to the summer months. As the city embraces this seasonal shift, visitors can expect crisp evenings perfect for enjoying warm drinks amidst the beauty of fall foliage. The gradual descent in temperature hints at the winter chill that awaits in the following months, making May a delightful precursor to the colder season.
May in Montevideo, Uruguay, brings a notable surge in precipitation, with an average of 115 mm (4.5 in) of rain over about 8 days. This marks a distinct increase compared to the previous months, particularly following April's 87 mm. The trend showcases a transition into the colder months, as May's rainfall intensity often sets the stage for the wetter conditions of winter. In contrast to the dry spells experienced in January and December, May's abundant showers contribute to the lush greenery of the city, making it a unique time for nature enthusiasts to experience Montevideo's vibrant landscape. As the month progresses, the frequency and volume of rain foreshadow the even wetter months of June and July, keeping the city's atmosphere refreshingly invigorated.
As we transition into May in Montevideo, Uruguay, the humidity elevates to 82%, marking one of the year’s most humid months. This uptick follows a steady increase from April’s 79%, highlighting a trend of rising humidity levels as the year progresses. January starts the year at a more moderate 63%, gradually inching up through February and March. Following May, there’s a slight dip to 80% in June, but the moisture-laden air of late autumn reminds us that the city's climate often keeps things feeling lush and vibrant. Overall, the data reveals a clear pattern: Montevideo experiences heightened humidity levels during the late autumn months, making the charm of its coastal atmosphere even more palpable.
As autumn settles in Montevideo, Uruguay, the UV Index takes a noticeable dip in May, registering at a moderate 5. This change marks a shift from the extreme UV levels seen in the summer months, providing respite from the intense sun exposure experienced earlier in the year, where burn times were as short as 10 minutes. With a burn time of 30 minutes in May, it's essential to embrace this window for outdoor activities while still practicing sun safety. Overall, May's UV conditions signal a transition towards cooler weather, but vigilance is still necessary. For more detailed insights, check the complete Montevideo UV Index.
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In May, Montevideo enjoys a gentle embrace of sunshine, with 239 hours of bright days setting a serene tone for the month. Although this marks a decrease from the 321 hours in March and a noticeable dip compared to the vibrant April with 265 hours, May still holds a charm that bridges the transition into winter. This decrease in sunlight is part of a broader trend, as the city shifts towards the cooler months; June and July see the sun retreat further to just 211 hours each. However, the warm glow of late autumn casts a lingering charm, reminding us that while the days may grow shorter, Montevideo’s beauty remains ever-present in the crisp air and inviting landscapes.
As May settles in Montevideo, Uruguay, the chances of enjoying sunny weather dip to 49%, marking a transition from the higher probabilities seen in the spring months. Following a robust 68% in April, the likelihood of sun begins to wane, aligning with the chilly approach of winter. Interestingly, while May shows a significant drop compared to its predecessor, it remains above the gloomier June, which plummets to 42%. This trend highlights a gradual shift from the sunny exuberance of early months into the more subdued, cooler days of mid-year, where sunshine becomes a rarer delight.
In Montevideo, Uruguay, the transition from spring to winter is marked by a gradual shift in daylight hours. Beginning with 14 hours of daylight in January, the days start to shorten, reaching 10 hours by May. This decrease reflects a consistent trend as summer gives way to autumn and eventually winter. The longest days of the year occur in December, providing a stark contrast to the 9 hours of daylight seen in June, the peak of winter. Interestingly, the daylight duration stabilizes slightly in the following months of July and August, each offering 10 hours. This cyclical pattern highlight the region's seasonal dynamics, ensuring that residents and visitors experience a vivid transition through the year.
In May, Montevideo experiences an invigorating gust of wind, with an average speed reaching 6.7 m/s (15 mph). This marks a notable increase from the previous month and positions May within a peak range of windiness that continues through June and July. Interestingly, the trend throughout the year shows a dynamic shift; while the summer months feature milder winds, a noticeable uptick occurs as the season transitions to autumn and winter. Following May, September also showcases elevated winds at 6.9 m/s (15 mph), hinting at seasonal fluctuations that energize the coastal city. Overall, May's breezy conditions invite both adventure and a refreshing change, making it an exhilarating time to explore the shores of Uruguay.
Weather in Montevideo varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Montevideo, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present contrasting weather patterns in Montevideo. In May, temperatures range from a minimum of 8°C (47°F) to a maximum of 22°C (72°F), with an average of 16°C (60°F). The month experiences higher precipitation at 115 mm (4.5 in) over 8 days, accompanied by significant humidity at 82%. In contrast, January boasts warmer temperatures, with a minimum of 17°C (62°F) and a maximum of 31°C (87°F), averaging around 23°C (73°F). Precipitation is lower during this month, totaling 61 mm (2.4 in) over just 5 days, and humidity is also less at 63%. For more details on January weather, check Montevideo weather in January.
May and February present contrasting weather patterns. In May, temperatures range from a cooler 8°C (47°F) to a comfortable average of 16°C (60°F), peaking at 22°C (72°F). The month experiences higher precipitation, totaling 115 mm (4.5 in) over approximately 8 days, accompanied by a higher humidity level of 82%. In contrast, February features warmer temperatures, with minimums of 16°C (62°F), averages of 22°C (73°F), and maximums reaching 29°C (84°F). February also sees less rainfall, at 84 mm (3.3 in) over 9 days, coupled with a lower humidity of 69%. For more detailed insights, check out Montevideo weather in February.
When comparing the weather in May and March, several notable differences emerge. March tends to be warmer, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 29°C (84°F), and an average temperature of 21°C (70°F). In contrast, May sees cooler temperatures, with a minimum of 8°C (47°F), an average of 16°C (60°F), and a maximum of 22°C (72°F). Additionally, March experiences lower precipitation levels at 74 mm (2.9 in) over just 7 days, while May is wetter, with 115 mm (4.5 in) falling across 8 days. Humidity is also lower in March at 73%, compared to May's more humid conditions at 82%. For more details, visit Montevideo weather in March.
In comparing the weather of May and April, it’s clear that April tends to be warmer, with an average temperature of 19°C (67°F) compared to May's 16°C (60°F). April also features higher maximum temperatures, reaching up to 27°C (82°F), while May only peaks at 22°C (72°F). Precipitation is more pronounced in May, totaling 115 mm (4.5 in) over 8 days, compared to April’s 87 mm (3.4 in) across 7 days. Interestingly, humidity levels are slightly higher in May at 82%, versus 79% in April. For more details on April's conditions, you can check Montevideo weather in April.
May and June present notable differences in weather patterns. In May, the temperatures are generally warmer, featuring a minimum of 8°C (47°F) and an average of 16°C (60°F), peaking at 22°C (72°F). The month experiences a relatively high precipitation of 115 mm (4.5 in) over 8 days, coupled with an average humidity of 82%. In contrast, June sees slightly cooler conditions, with temperatures ranging from a minimum of 7°C (44°F) to an average of 13°C (55°F), reaching a maximum of 20°C (69°F). Although June has less precipitation at 91 mm (3.6 in) and rainfall for around 10 days, the humidity levels remain fairly close at 80%. For a detailed look at weather specifics in June, you can check Montevideo weather in June.
In comparing the weather between May and July, May typically experiences milder temperatures, with an average of 16°C (60°F) and a maximum of 22°C (72°F), while July is cooler overall, with an average of only 11°C (52°F) and a maximum of 19°C (67°F). May also has a higher humidity level of 82%, compared to July's 72%. However, both months present similar levels of precipitation, with May recording 115 mm (4.5 in) over 8 days and July experiencing slightly more at 122 mm (4.8 in) over 10 days. For more detailed information about July weather, visit Montevideo weather in July.
In comparing the weather between May and August, we find distinct differences in temperature and precipitation patterns. May enjoys a warmer climate with average temperatures reaching 16°C (60°F) and highs of 22°C (72°F), while August is noticeably cooler, with an average temperature of 12°C (54°F) and maximums only reaching 19°C (67°F). Additionally, May experiences higher humidity at 82% and more precipitation, totaling 115 mm (4.5 in) over 8 days, compared to August’s 81 mm (3.2 in) of rain over the same number of days and lower humidity at 72%. For further details on August weather, you can check Montevideo weather in August.
May and September share some similarities in weather patterns, but notable differences exist between the two months. In May, temperatures range from a minimum of 8°C (47°F) to a maximum of 22°C (72°F), with an average of 16°C (60°F). The month typically experiences about 115 mm (4.5 in) of precipitation over 8 days, accompanied by higher humidity levels at 82%. Conversely, September sees a slightly cooler average temperature of 14°C (57°F), with a minimum of 7°C (45°F) and a maximum of 24°C (75°F). Precipitation is also lower in September, totaling around 91 mm (3.6 in) over the same number of days, and humidity decreases to 76%. For a more detailed look at September weather, you can visit Montevideo weather in September.
In comparing May and October weather, both months showcase similar minimum temperatures at 8°C (47°F) and average temperatures around 16°C (60°F to 61°F). However, October tends to have slightly warmer maximum temperatures, reaching up to 23°C (73°F) compared to May's 22°C (72°F). Precipitation levels are also lower in October, with 85 mm (3.3 in) falling over 8 days, while May sees a total of 115 mm (4.5 in) during the same number of days. Additionally, October's humidity is notably lower at 71%, offering a drier feel than May's 82%. For more detailed information on October weather specifics, you can check Montevideo weather in October.
May and November in Montevideo offer distinct weather experiences that reflect the transition between seasons. In May, temperatures range from a minimum of 8°C (47°F) to a maximum of 22°C (72°F), with an average of 16°C (60°F). This month sees a higher level of precipitation at 115 mm (4.5 in) over about 8 days, paired with a humidity level of 82%. In contrast, November boasts warmer temperatures, with a minimum of 12°C (55°F) and a maximum of 27°C (81°F), resulting in an average of 19°C (66°F). This month experiences less rainfall, totaling 66 mm (2.6 in) over 7 days, and lower humidity at 68%. For more detailed insights into November's weather patterns, you can visit Montevideo weather in November.
In comparing the weather between May and December, it's clear that each month offers a distinct climate experience. May sees cooler temperatures, with a minimum of 8°C (47°F) and an average of 16°C (60°F), while December enjoys milder conditions, featuring a minimum of 13°C (57°F) and an average temperature of 21°C (69°F). Additionally, May is characterized by higher humidity at 82% and more precipitation, totaling 115 mm (4.5 in) over 8 days. In contrast, December is drier, with only 61 mm (2.4 in) of rain over just 5 days and a lower humidity of 65%. For a more detailed overview of December's weather, you can visit Montevideo weather in December.
As May rolls into Montevideo, the weather takes on a fresh, crisp quality that distinguishes it from the milder months preceding it. With an average temperature sitting comfortably around 16°C (60°F), the city begins to transition into its cooler season, offering a refreshing change from the warmth of summer. Despite the increase in precipitation, with 8 days of rain adding up to 115 mm, this month still embraces a vibrant atmosphere, complemented by a relatively high humidity of 82%. If you're keen to explore what Montevideo has to offer during this enchanting time of year, you can find more insights about its climate dynamics at Montevideo Climate.