Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
December verdict
Uruguay in December
Weather score71Very good
Very good for holiday weather
Average highs sit around 27°C, giving warm days by monthly-average standards. Sunshine averages 8.7h per day, so bright days are a strong part of the month. Rainfall averages 72mm, which is relatively low for holiday planning.
December weather
Monthly averages
Temp
27°C
Rain
72mm
Sun
8.7h
Sea
18°C
Weather score
71
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 72mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.7h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 18°C, so the water can feel cool.
Map
Weather map
Compare Uruguay with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December27°C average high
December 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.
Rain
December72mm average rain
December is close to Uruguay's usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
Sun
December8.7 hours average sun
December is one of Uruguay's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsJanuary to February and November to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December18°C average sea
December sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJanuary to March and December
Sea temperatures are usually near 20°C in this stretch, so swimming comfort is at its strongest.
Weather score
December71 weather score
December is one of Uruguay's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJanuary to March and December
These months have the strongest weather score in the monthly averages.
