May Weather in Colonia del Sacramento, Uruguay

Last updated: August 28, 2025

In May, Colonia del Sacramento, Uruguay, experiences a mild and refreshing climate, characterized by a maximum temperature of 24°C (76°F) and an average of 15°C (59°F). With minimum temperatures dipping to 6°C (43°F), visitors can expect cool evenings and pleasant days. The region gathers 76 mm (3.0 in) of precipitation over seven days, contributing to the lush greenery and vibrant landscapes that define this historic locale. The humidity level hovers around 85%, enhancing the atmosphere with a hint of coastal freshness. May is an ideal time to explore Colonia’s charming streets while enjoying the comfortable climate.

May Temperature in Colonia del Sacramento

In May, Colonia del Sacramento experiences a noticeable transition into cooler temperatures, with a minimum dipping to 6°C (43°F) and an average of 15°C (59°F), marking a significant shift from the warmer months preceding it. The daily maximum reaches a comfortable 24°C (76°F), making May a pleasant time for outdoor activities and exploration. As the month progresses, the weather cools further, hinting at the approaching winter; however, the temperatures remain relatively mild when compared to the winter chill that follows in June. This moderate climate, characterized by clear skies and refreshing breezes, invites visitors to savor the beauty of this historic town while enjoying the crisp, invigorating air of late autumn.

May Weather in Colonia del Sacramento: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Colonia del Sacramento, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Colonia del Sacramento, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec767470665954525559636972
Data source: Temperature data for Colonia del Sacramento generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Colonia del Sacramento

May in Colonia del Sacramento sees average precipitation of 76 mm (3.0 in), aligning closely with the patterns observed in the preceding months. Typically, rain falls on about seven days throughout the month, contributing to the region's lush landscapes. This slight uptick in rainfall from April's 74 mm suggests a transition towards the wetter winter months ahead, as June experiences a drop to 61 mm (2.4 in). Notably, May maintains a balance similar to the early autumn months of March and April, highlighting a consistent climatic rhythm. As winter approaches, the weather becomes somewhat more variable, making May a transitional period characterized by fresh growth and a gentle increase in humidity.

May Precipitation Trends in Colonia del Sacramento

The chart displays monthly precipitation patterns in Colonia del Sacramento, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Colonia del Sacramento, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec738685757661905977916166
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Colonia del Sacramento

In May, Colonia del Sacramento experiences a notable shift in humidity, reaching 85%, making it one of the most humid months of the year. This surge follows a progressive increase from 80% in April, indicating a trend towards a more muggy climate as autumn transitions into winter. Compared to the warmer months of January and February, where humidity hovered around 50% and 61%, May’s humidity feels particularly intense. As the year progresses, humidity levels begin to taper off slightly in June, reflecting a seasonal pattern that suggests a cooler, yet still moist, environment. This high humidity, with its peak in May, creates a lush and vibrant atmosphere in the charming historical streets of Colonia, enhancing its unique allure.

May Average Humidity in Colonia del Sacramento

This chart illustrates the average monthly humidity levels in Colonia del Sacramento, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Colonia del Sacramento is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec51%61%66%80%85%80%69%66%72%63%59%56%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Colonia del Sacramento

As May rolls into Colonia del Sacramento, the UV Index drops to a moderate 5, signaling a significant shift from the extreme levels experienced earlier in the year. With a burn time of 30 minutes, this is a welcome change for outdoor enthusiasts looking to enjoy the mild autumn weather without the relentless sunburn threat. Following the intense months of January through March, where UV Index values soared as high as 14, May offers a more manageable environment for sun exposure. However, it's still wise to stay vigilant, as the UV intensity will rise again in the coming months. For those planning their outdoor activities, understanding these trends is crucial—visit Colonia del Sacramento UV Index for the latest updates.

Maximum UV Index Levels in Colonia del Sacramento for May

The chart shows the monthly maximum UV Index (UVI) for Colonia del Sacramento in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Colonia del Sacramento typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311754468101314
Data source: Colonia del Sacramento May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Colonia del Sacramento

May in Colonia del Sacramento, Uruguay, brings a gentle decline in sunshine, with approximately 225 hours of glorious daylight. This month sits comfortably between April's lush 261 hours and June's cooler 212 hours, indicating a gradual transition toward winter. While May has fewer sunlit hours compared to the sun-drenched peak of January and the radiant November, its milder atmosphere offers a pleasant respite for both locals and visitors. With the days lengthening again into October, May’s beauty lies in its serene ambiance, perfect for leisurely explorations of this historic town.

Monthly Sunshine Duration in Colonia del Sacramento: May Highlighted

The May sunshine duration represents the total number of hours Colonia del Sacramento experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec300h313h310h261h225h212h206h257h251h299h337h382h
Data source: Colonia del Sacramento May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Colonia del Sacramento During May

In Colonia del Sacramento, Uruguay, the likelihood of sunny weather in May tends to hover around 57%, making it a moderately bright month. This is a slight dip from the sunniest April, which boasts a 69% chance of sunshine, but is balanced by the warmer, summer months of January and February, which feature sun chances of 61% and 58%, respectively. Interestingly, the sunny prospects decline through the cooler months, with June seeing a notable drop to just 43%. This trend suggests that while May offers a promising mix of sun and mild weather, it's part of an overall pattern where the sun shines more brightly in the earlier months of the year and gradually lessens as winter approaches. The comforting warmth of spring can still be felt, providing an inviting atmosphere for outdoor exploration.

Percentage of Sunny Days in May in Colonia del Sacramento

The chart illustrates the percentage of sunny days in Colonia del Sacramento throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Colonia del Sacramento experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec61%58%49%69%57%43%62%63%40%69%58%69%
Data source: Colonia del Sacramento May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Colonia del Sacramento in May

As spring transitions into early winter in Colonia del Sacramento, Uruguay, May marks the beginning of a notable shift in daylight duration, with only 10 hours of daylight. This gradual decline is part of a consistent trend seen from January's 14 hours to April's 11 hours, showcasing a steady decrease as the year progresses. After the peak summer months, daylight hours diminish and reach their lowest in June, followed by a slight increase in July and August, where days lengthen again. This rhythmic pattern of light and dark not only defines the seasons but also enriches the enchanting atmosphere of Colonia, inviting both locals and visitors to embrace the beauty of the changing skies.

Average Daylight Hours in Colonia del Sacramento for May

The chart illustrates the variation in daylight duration in Colonia del Sacramento throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 8m13h 18m12h 14m11h 10m10h 17m9h 52m10h 5m10h 52m11h 53m12h 58m13h 55m14h 24m
Data source: Colonia del Sacramento daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Colonia del Sacramento

In Colonia del Sacramento during the month of May, the average wind speed reaches 4.7 m/s (10 mph), a slight increase from the preceding months. This gentle breeze serves as a refreshing counterbalance to the warm autumn days, setting the stage for pleasant outdoor activities. As we look at the overall trend throughout the year, wind speeds typically peak in September (5.4 m/s) and November (5.3 m/s), while the calmest month is August (3.8 m/s). Notably, May maintains a consistent pace compared to both April and June, illustrating a transitional phase as the year progresses. The wind, though mild, adds a dynamic touch to the atmosphere of Colonia, enhancing the charm of this historic coastal town.

Average May Wind Speed in Colonia del Sacramento

The chart displays monthly wind speed patterns in Colonia del Sacramento, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.84.54.34.24.7 m/s4.64.93.85.44.55.34.9
Data source: Colonia del Sacramento May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Colonia del Sacramento Compares to Other Months

Weather in Colonia del Sacramento varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Colonia del Sacramento, focusing on differences in temperature, rainfall, humidity, and UV levels.

May and January present distinctly contrasting weather patterns. In May, temperatures range from a cooler 6°C (43°F) at night to a pleasant 24°C (76°F) during the day, with an average of 15°C (59°F). The month experiences significant humidity at 85% and about 76 mm (3.0 in) of precipitation over 7 days. In contrast, January features much warmer temperatures, with a minimum of 15°C (60°F) and a maximum of 37°C (99°F), averaging 24°C (76°F). The humidity is significantly lower at 50%, and January sees slightly less rainfall, totaling 73 mm (2.9 in) over 6 days. For more details on the January climate, you can check out Colonia del Sacramento weather in January.

The weather in May and February reveals distinct differences in temperature and humidity. May experiences milder temperatures, with a minimum of 6°C (43°F) and an average of 15°C (59°F), contrasted by February's warmer climate, where the minimum is 14°C (57°F) and the average reaches 23°C (74°F). Rainfall is slightly higher in February, with 86 mm (3.4 in) compared to May's 76 mm (3.0 in), though both months see a similar number of rainy days. Additionally, humidity levels are notably higher in May at 85%, while February has a more comfortable 61%. For a deeper look at February weather, you can check Colonia del Sacramento weather in February.

When comparing the weather in May and March, notable differences in temperature and precipitation emerge. May features a milder climate, with average temperatures ranging from a minimum of 6°C (43°F) to a maximum of 24°C (76°F), while March typically presents hotter conditions, with a minimum of 12°C (53°F) and a maximum of 32°C (90°F). Both months experience similar precipitation levels, with May receiving 76 mm (3.0 in) and March slightly higher at 85 mm (3.4 in), with rain occurring on about seven days in each month. Additionally, humidity is notably higher in May at 85%, compared to March's 66%, contributing to a more humid feel as spring progresses. For more insights on March weather specifics, you can check Colonia del Sacramento weather in March.

In comparing the weather of April and May, we see some notable differences. April is characterized by slightly warmer temperatures, averaging 19°C (66°F) with a maximum of 30°C (85°F), while May cools down to an average of 15°C (59°F) with a maximum of 24°C (76°F). Precipitation levels are quite similar, with April receiving 74 mm (2.9 in) compared to May's 76 mm (3.0 in), and both months experience rainfall on 7 days. Additionally, humidity is a bit higher in May at 85%, while April has a more comfortable level at 80%. For more details on April weather, visit Colonia del Sacramento weather in April.

May and June exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 6°C (43°F) to a maximum of 24°C (76°F), with an average temperature of 15°C (59°F). This month experiences higher humidity at 85% and significantly more precipitation, totaling 76 mm (3.0 in) over 7 days. In contrast, June sees slightly cooler temperatures, ranging from a minimum of 3°C (38°F) to a maximum of 23°C (74°F), and a lower average of 12°C (55°F). Precipitation decreases to 61 mm (2.4 in) over the same span of 7 days, accompanied by a slight drop in humidity to 80%. For more detailed insights, you can check the Colonia del Sacramento weather in June.

May and July exhibit somewhat similar temperature ranges, with both months experiencing a maximum temperature of around 24°C (75°F). However, May presents a warmer average temperature of 15°C (59°F) compared to July's cooler average of 11°C (52°F). In terms of precipitation, July receives slightly more rainfall with 90 mm (3.5 in) over 9 days, while May sees 76 mm (3.0 in) over 7 days. Additionally, humidity levels are notably higher in May at 85%, contrasting with July's more comfortable 69%. For more detailed information, you can check Colonia del Sacramento weather in July.

May and August showcase distinct differences in weather patterns. In May, temperatures range from a minimum of 6°C (43°F) to a maximum of 24°C (76°F), with an average of 15°C (59°F). It experiences more precipitation, totaling 76 mm (3.0 in) over seven days, and higher humidity at 85%. In contrast, August sees slightly cooler temperatures, with a minimum of 4°C (40°F), an average of 13°C (55°F), and a maximum of 22°C (73°F). Precipitation in August is less, with 59 mm (2.3 in) over six days and lower humidity at 66%. For further details on August weather, you can check Colonia del Sacramento weather in August.

May and September share similar temperature ranges, with minimums around 6°C (43°F) and average temperatures hovering at 15°C (59°F). However, September tends to be slightly warmer, reaching a maximum of 26°C (79°F) compared to May's 24°C (76°F). Precipitation levels are nearly identical, with May receiving 76 mm (3.0 in) over 7 days and September totaling 77 mm (3.0 in) across just 6 days, indicating a slightly drier month. Humidity is noticeably higher in May at 85%, while September experiences a more comfortable level at 72%. For a detailed look at September's atmospheric conditions, you can refer to Colonia del Sacramento weather in September.

May and October present distinctly different weather patterns. In May, temperatures range from a cool 6°C (43°F) at night to a pleasant 24°C (76°F) during the day, with an average of 15°C (59°F). This month experiences about 76 mm (3.0 in) of precipitation over 7 days, accompanied by high humidity levels at 85%. In contrast, October brings milder nights, with temperatures starting at 9°C (48°F) and soaring to a warm 31°C (87°F) during the day, averaging at 17°C (63°F). Rainfall increases slightly to 90 mm (3.6 in) over 9 days, while humidity drops to a more comfortable 63%. For more insights on the weather specifics in October, check out Colonia del Sacramento weather in October.

In comparing the weather of May and November, one can observe notable differences in temperatures and humidity levels. May typically sees cooler temperatures, with a minimum of 6°C (43°F) and an average of 15°C (59°F), while November boasts milder conditions, with a minimum of 11°C (52°F) and an average of 20°C (69°F). Additionally, November can reach a maximum of 31°C (87°F), significantly warmer than May’s peak of 24°C (76°F). Precipitation is slightly lower in November at 61 mm (2.4 in) over 6 days compared to May's 76 mm (3.0 in) over 7 days, and the humidity also drops from 85% in May to 59% in November. For a better insight into November weather specifics, you can check Colonia del Sacramento weather in November.

In May, the weather is characterized by cooler temperatures, with a minimum of 6°C (43°F) and an average of 15°C (59°F), peaking at 24°C (76°F). The month sees significant rainfall, accumulating 76 mm (3.0 in) over approximately 7 days, along with high humidity levels at 85%. In contrast, December offers warmer conditions, with temperatures ranging from a minimum of 11°C (51°F) to an average of 22°C (73°F) and reaching up to 33°C (93°F). Precipitation decreases slightly to 66 mm (2.6 in) over about 6 days, and humidity is notably lower at 56%. For more detailed information, you can check Colonia del Sacramento weather in December.

Compare Colonia del Sacramento's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Colonia del Sacramento

As May settles into Colonia del Sacramento, the weather transitions towards cooler, more refreshing conditions, making it a delightful time to explore the area. Unlike the warmer summer months, the average temperatures dip, offering a pleasant contrast to the heat, while humidity remains high, giving the air a crisp yet comfortable feel. Rainfall is also more frequent during this month, with occasional showers enhancing the lush landscape. Overall, May's milder climate provides an ideal backdrop for enjoying the city's rich history and vibrant culture. For a more detailed overview of the region's weather patterns, visit Colonia del Sacramento Climate.