SeasonMapColonia del Sacramento weather in October
Uruguay
October in Colonia del Sacramento: nice, a little rain, with clean air — one of the best months to visit.
#2 of 12 months in Colonia del Sacramento · #160 of 1383 destinations to visit in October · comfort 89/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Colonia del Sacramento in October
Notes from nearby Buenos Aires (52 km away)
Colonia del Sacramento doesn't have its own notes for October yet — these are about Buenos Aires, close enough to share the season.
October is jacaranda month and the city is outdoors again after a grey winter. Mid-20s, long evenings, dinner at 10pm as it should be. December through February is a wet, heavy 33°C that the numbers flatter.
Add your own note from Colonia del Sacramento's card on the map.
Colonia del Sacramento climate normals — October
| Daytime high | 21°C / 69°F | 😎 nice |
|---|---|---|
| Nighttime low | 13°C / 55°F | |
| Feels like (high) | 20°C / 68°F | |
| Sea temperature | 18°C / 65°F | 🧊 bracing |
| Rainfall | 77 mm / 3 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 71% | 💧 humid |
| Dew point | 11°C / 53°F | |
| Sunshine | 9.9 h/day | |
| Daylight | 13 h | |
| Wind | 22 km/h / 14 mph | |
| Air quality (US AQI) | 29 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Colonia del Sacramento in October
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.
Busyone of its best months for weather(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 October — FAQ
- Is October a good time to visit Colonia del Sacramento?
- October in Colonia del Sacramento: nice, a little rain, with clean air — one of the best months to visit. It ranks #2 of 12 months for Colonia del Sacramento on SeasonMap's comfort score (89/100).
- What is the weather like in Colonia del Sacramento in October?
- In October, Colonia del Sacramento averages a daily high of 20.6°C and a low of 12.9°C, with about 76.9 mm of rain over roughly 8.4 rainy days.
- What is the air quality in Colonia del Sacramento in October?
- Colonia del Sacramento has a mean US Air Quality Index of about 29 in October.
Other months in Colonia del Sacramento
Compare Colonia del Sacramento in October
Warmer or cooler than Colonia del Sacramento in October
Similar destinations in South America — October
Within 300 km: Buenos Aires' Jacaranda in flower around 20 Oct – 30 Nov, and Montevideo's Dia del Patrimonio around 28 Sep – 12 Oct.