Cool
Average highs are around 15°C, so pack for cooler days.
Weather Guide
Montevideo, Uruguay Average Monthly Weather
Weather score50Mixed annual avg
Best months: January, February, December
Across the year, average daytime temperatures are around 21°C, sunshine averages 6.8h per day, and rainfall totals about 945mm. Sea temperatures average 18°C across the year.
Annual weather
Annual averages
Temp
21°C
Rain
945mm
Annual total
Sun
6.8h
Sea
18°C
Weather score
50
Mixed avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 73mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 4.6h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 11°C, so the water can feel cool.
Map
Weather map
Compare Montevideo, Uruguay with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
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.
Rain
July73mm average rain
July is close to Montevideo's usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
Sun
July4.6 hours average sun
July is one of Montevideo's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJanuary and November to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
July11°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 24°C in this stretch, so swimming comfort is at its strongest.
Weather score
July27 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 March and December
These months have the strongest weather score in the monthly averages.
