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Ciudad de la Costa in May averages 19°C (66°F) during the day and 12°C (54°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
If your ideal day consists of dry skies and pleasant temperatures, January, March, November and December typically offer the best circumstances for Ciudad de la Costa.
Pick a month to see the average temperature, rainfall and sunshine in Ciudad de la Costa - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Ciudad de la Costa typically drop from around 20°C (68°F) at the start of May to approximately 16°C (61°F) by the end. Nights are cool, with lows typically ranging from 8°C (46°F) to 11°C (52°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Ciudad de la Costa spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
According to our 50 years of weather records for Ciudad de la Costa, the following extremes were recorded between 1976 and 2026.
Find out more about the weather in Uruguay and which places have the best travel conditions in this month. See all of Uruguay in May →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. The water temperature sits at about 16°C (61°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Bring sunglasses since you'll have some sunny periods throughout the month
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Ciudad de la Costa climate overview or explore weather in Uruguay.
Where to go in May - average daytime high across popular destinations.
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