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San Nicolás de los Arroyos Weather by Month
Average temperatures, rainfall and humidity for San Nicolás de los Arroyos, Argentina, month by month, built from OpenWeather’s historical records. Use it to see what a typical San Nicolás de los Arroyos month looks like before you travel — then check the live San Nicolás de los Arroyos forecast for the days ahead.
Warmest month
January
32°C average high
Coolest month
July
7°C average low
Wettest month
February
151 mm of rain
Driest month
June
23 mm of rain
Average temperature and rainfall in San Nicolás de los Arroyos by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 32°C | 19°C | 9°C / 43°C | 55 mm | 59% | 11 km/h |
| February | 31°C | 18°C | 6°C / 44°C | 151 mm | 64% | 11 km/h |
| March | 28°C | 16°C | 5°C / 41°C | 56 mm | 69% | 11 km/h |
| April | 24°C | 14°C | 3°C / 36°C | 67 mm | 74% | 11 km/h |
| May | 20°C | 10°C | 0°C / 32°C | 40 mm | 76% | 10 km/h |
| June | 17°C | 7°C | -5°C / 29°C | 23 mm | 71% | 10 km/h |
| July | 17°C | 7°C | -2°C / 29°C | 31 mm | 72% | 11 km/h |
| August | 20°C | 8°C | -4°C / 32°C | 27 mm | 66% | 11 km/h |
| September | 22°C | 10°C | -1°C / 39°C | 30 mm | 64% | 12 km/h |
| October | 25°C | 13°C | 2°C / 39°C | 48 mm | 65% | 13 km/h |
| November | 28°C | 16°C | 7°C / 41°C | 55 mm | 59% | 13 km/h |
| December | 31°C | 18°C | 7°C / 44°C | 58 mm | 57% | 12 km/h |
Best time to visit San Nicolás de los Arroyos
The most comfortable time to visit San Nicolás de los Arroyos is generally April and September to October, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around February, totalling about 641 mm a year.
Travellers who prefer heat should aim for January, when highs average 32°C. February is the month to avoid if rain would spoil your plans — it averages 151 mm, roughly 7× the rainfall of the driest month (June).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the San Nicolás de los Arroyos forecast for what is happening now.