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San Miguel Weather by Month
Average temperatures, rainfall and humidity for San Miguel, Argentina, month by month, built from OpenWeather’s historical records. Use it to see what a typical San Miguel month looks like before you travel — then check the live San Miguel forecast for the days ahead.
Warmest month
January
30°C average high
Coolest month
July
8°C average low
Wettest month
October
51 mm of rain
Driest month
June
23 mm of rain
Average temperature and rainfall in San Miguel 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 | 30°C | 20°C | 9°C / 41°C | 38 mm | 64% | 14 km/h |
| February | 29°C | 19°C | 8°C / 39°C | 30 mm | 68% | 13 km/h |
| March | 26°C | 17°C | 1°C / 38°C | 36 mm | 71% | 13 km/h |
| April | 23°C | 14°C | 3°C / 32°C | 50 mm | 76% | 14 km/h |
| May | 18°C | 10°C | 1°C / 27°C | 42 mm | 79% | 12 km/h |
| June | 16°C | 8°C | -4°C / 26°C | 23 mm | 77% | 12 km/h |
| July | 15°C | 8°C | -2°C / 27°C | 29 mm | 78% | 11 km/h |
| August | 17°C | 9°C | -3°C / 29°C | 25 mm | 72% | 14 km/h |
| September | 19°C | 11°C | 0°C / 31°C | 34 mm | 71% | 13 km/h |
| October | 22°C | 13°C | 3°C / 35°C | 51 mm | 70% | 13 km/h |
| November | 26°C | 16°C | 7°C / 36°C | 50 mm | 65% | 14 km/h |
| December | 29°C | 18°C | 8°C / 39°C | 32 mm | 63% | 13 km/h |
Best time to visit San Miguel
The most comfortable time to visit San Miguel 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 440 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 51 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 San Miguel forecast for what is happening now.
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