Cool
Average highs are around 15°C, so pack for cooler days.
Weather Guide
Trelew, Argentina Average Monthly Weather
Weather score50Mixed annual avg
Best months: January, February, December
Across the year, average daytime temperatures are around 21°C, sunshine averages 7.1h per day, and rainfall totals about 183mm. Sea temperatures average 13°C across the year.
Annual weather
Annual averages
Temp
21°C
Rain
183mm
Annual total
Sun
7.1h
Sea
13°C
Weather score
50
Mixed avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 12mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.4h per day, enough for a balanced month.
Cool sea
Sea temperatures average 9°C, so the water can feel cool.
Map
Weather map
Compare Trelew, Argentina with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August15°C average high
August is on the cooler side of Trelew's year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to March and November to December
This stretch sets the upper range for average daytime heat.
Rain
August12mm average rain
August is close to Trelew's usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
Sun
August5.4 hours average sun
August is below Trelew's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJanuary to February and November to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August9°C average sea
August is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to March
Sea temperatures are usually near 17°C in this stretch, so swimming comfort is at its strongest.
Weather score
August34 weather score
August 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.