Cool
Average highs are around 15°C, so pack for cooler days.
July verdict
Poor for holiday weather
Average highs are around 15°C, so pack for cooler days. Sunshine averages 4.4h per day, so this is not one of the brighter months. Rainfall averages 67mm, which is relatively low for holiday planning.

Monthly averages
Temp
15°C
Rain
67mm
Sun
4.4h
Sea
13°C
Weather score
29
Poor
Cool
Average highs are around 15°C, so pack for cooler days.
Drier
Rainfall averages 67mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 4.4h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 13°C, so the water can feel cool.
Map
Compare Colonia Del Sacramento, Uruguay with nearby places by weather score, rain, sun, temperature, and swim conditions.
July15°C average high
July has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
July67mm average rain
July is one of Colonia Del Sacramento's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary, April to September, and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
July4.4 hours average sun
July is one of Colonia Del Sacramento's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJanuary to February and November to December
This stretch has the strongest sunshine in the monthly averages.
July13°C average sea
July is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to March and December
Sea temperatures are usually near 26°C in this stretch, so swimming comfort is at its strongest.
July29 weather score
July is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to February and December
These months have the strongest weather score in the monthly averages.