Mild
Average highs are around 26°C, so days are mild rather than hot.
March verdict
Good for holiday weather
Average highs are around 26°C, so days are mild rather than hot. Sunshine averages 7.2h per day, enough for a balanced month. Rainfall averages 116mm, so some wet days are possible.

Monthly averages
Temp
26°C
Rain
116mm
Sun
7.2h
Sea
23°C
Weather score
66
Good
Mild
Average highs are around 26°C, so days are mild rather than hot.
Showers
Rainfall averages 116mm, so some wet days are possible.
Some sun
Sunshine averages 7.2h per day, enough for a balanced month.
Swimmable
Sea temperatures average 23°C, which can work for swimming but may feel fresh.
Map
Compare Colonia Del Sacramento, Uruguay with nearby places by weather score, rain, sun, temperature, and swim conditions.
March26°C average high
March sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
March116mm average rain
March is one of Colonia Del Sacramento's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary, April to September, and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
March7.2 hours average sun
March sits close to Colonia Del Sacramento's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJanuary to February and November to December
This stretch has the strongest sunshine in the monthly averages.
March23°C average sea
March sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJanuary to March and December
Sea temperatures are usually near 26°C in this stretch, so swimming comfort is at its strongest.
March66 weather score
March scores above Colonia Del Sacramento's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJanuary to February and December
These months have the strongest weather score in the monthly averages.