Weatheo

Trelew Weather by Month

Average temperatures, rainfall and humidity for Trelew, Argentina, month by month, built from OpenWeather’s historical records. Use it to see what a typical Trelew month looks like before you travel — then check the live Trelew forecast for the days ahead.

Warmest month

January

25°C average high

Coolest month

July

3°C average low

Wettest month

August

16 mm of rain

Driest month

November

7 mm of rain

Average temperature and rainfall in Trelew by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January25°C14°C3°C / 36°C
7 mm
45%24 km/h
February25°C14°C2°C / 51°C
9 mm
47%22 km/h
March22°C12°C-2°C / 37°C
12 mm
50%21 km/h
April18°C9°C-4°C / 29°C
16 mm
55%20 km/h
May14°C6°C-9°C / 24°C
16 mm
60%18 km/h
June11°C4°C-10°C / 34°C
16 mm
62%20 km/h
July11°C3°C-8°C / 20°C
14 mm
62%19 km/h
August13°C5°C-9°C / 30°C
16 mm
58%21 km/h
September15°C6°C-7°C / 27°C
15 mm
55%22 km/h
October18°C8°C-4°C / 30°C
10 mm
47%23 km/h
November22°C11°C2°C / 33°C
7 mm
45%24 km/h
December24°C13°C4°C / 36°C
13 mm
43%26 km/h

Best time to visit Trelew

The most comfortable time to visit Trelew is generally December to February, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rainfall is spread evenly across the months, totalling about 152 mm a year.

Travellers who prefer heat should aim for January, when highs average 25°C. August is the month to avoid if rain would spoil your plans — it averages 16 mm, roughly 2× the rainfall of the driest month (November).

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Trelew forecast for what is happening now.