Weatheo

Castelar Weather by Month

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

Warmest month

January

30°C average high

Coolest month

July

8°C average low

Wettest month

October

50 mm of rain

Driest month

June

23 mm of rain

Average temperature and rainfall in Castelar 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
January30°C20°C9°C / 41°C
38 mm
64%14 km/h
February29°C19°C8°C / 39°C
30 mm
68%13 km/h
March26°C17°C1°C / 38°C
36 mm
71%13 km/h
April23°C14°C3°C / 32°C
50 mm
76%14 km/h
May18°C10°C1°C / 27°C
42 mm
79%12 km/h
June16°C8°C-4°C / 26°C
23 mm
77%12 km/h
July15°C8°C-2°C / 27°C
29 mm
78%11 km/h
August17°C9°C-3°C / 29°C
25 mm
72%14 km/h
September19°C11°C0°C / 31°C
35 mm
72%13 km/h
October22°C13°C3°C / 35°C
50 mm
70%13 km/h
November26°C16°C7°C / 36°C
50 mm
65%14 km/h
December29°C18°C8°C / 39°C
32 mm
63%13 km/h

Best time to visit Castelar

The most comfortable time to visit Castelar is generally March to April and November, 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 441 mm a year.

Travellers who prefer heat should aim for January, when highs average 30°C. October is the month to avoid if rain would spoil your plans — it averages 50 mm, roughly 2× the rainfall of the driest month (June).

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

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