SeasonMapColonia del Sacramento weather in May
Uruguay
May in Colonia del Sacramento: nice, a little rain, with clean air — an excellent time to visit.
#8 of 12 months in Colonia del Sacramento · #502 of 1383 destinations to visit in May · comfort 83/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Colonia del Sacramento in May
No notes yet. Open Colonia del Sacramento on the map to add the first one.
Colonia del Sacramento climate normals — May
| Daytime high | 18°C / 64°F | 😎 nice |
|---|---|---|
| Nighttime low | 12°C / 54°F | |
| Sea temperature | 18°C / 64°F | 🧊 bracing |
| Rainfall | 52 mm / 2 in | 🌦 some rain |
| Rainy days | 5 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 10°C / 50°F | |
| Sunshine | 7.9 h/day | |
| Daylight | 10.3 h | |
| Wind | 20 km/h / 12 mph | |
| Air quality (US AQI) | 22 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Colonia del Sacramento in May
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Shoulder seasonan ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Colonia del Sacramento's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherColonia del Sacramento's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
Nearby, and something's on
Within 300 km of Colonia del Sacramento — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Colonia del Sacramento?
Colonia del Sacramento in May — FAQ
- Is May a good time to visit Colonia del Sacramento?
- May in Colonia del Sacramento: nice, a little rain, with clean air — an excellent time to visit. It ranks #8 of 12 months for Colonia del Sacramento on SeasonMap's comfort score (83/100).
- What is the weather like in Colonia del Sacramento in May?
- In May, Colonia del Sacramento averages a daily high of 17.5°C and a low of 12°C, with about 52 mm of rain over roughly 5.4 rainy days.
- What is the air quality in Colonia del Sacramento in May?
- Colonia del Sacramento has a mean US Air Quality Index of about 22 in May.
Other months in Colonia del Sacramento
Compare Colonia del Sacramento in May
Warmer or cooler than Colonia del Sacramento in May
Similar destinations in South America — May
Within 300 km: Buenos Aires' Autumn in the plane trees around 15 Apr – 5 Jun.