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Uruguaiana Weather by Month
Average temperatures, rainfall and humidity for Uruguaiana, Brazil, month by month, built from OpenWeather’s historical records. Use it to see what a typical Uruguaiana month looks like before you travel — then check the live Uruguaiana forecast for the days ahead.
Warmest month
February
33°C average high
Coolest month
July
10°C average low
Wettest month
December
64 mm of rain
Driest month
July
27 mm of rain
Average temperature and rainfall in Uruguaiana 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 | 21°C | 11°C / 43°C | 48 mm | 66% | 15 km/h |
| February | 33°C | 21°C | 8°C / 43°C | 42 mm | 67% | 14 km/h |
| March | 30°C | 18°C | 6°C / 42°C | 57 mm | 72% | 14 km/h |
| April | 26°C | 16°C | 5°C / 35°C | 44 mm | 76% | 14 km/h |
| May | 21°C | 12°C | 2°C / 32°C | 52 mm | 82% | 14 km/h |
| June | 19°C | 10°C | -3°C / 31°C | 33 mm | 82% | 14 km/h |
| July | 19°C | 10°C | -1°C / 31°C | 27 mm | 80% | 15 km/h |
| August | 22°C | 11°C | -2°C / 36°C | 30 mm | 75% | 16 km/h |
| September | 24°C | 13°C | 1°C / 38°C | 37 mm | 75% | 17 km/h |
| October | 26°C | 15°C | 6°C / 38°C | 43 mm | 73% | 18 km/h |
| November | 29°C | 17°C | 6°C / 39°C | 62 mm | 67% | 17 km/h |
| December | 31°C | 19°C | 8°C / 43°C | 64 mm | 67% | 16 km/h |
Best time to visit Uruguaiana
The most comfortable time to visit Uruguaiana is generally August to October, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around December, totalling about 540 mm a year.
Travellers who prefer heat should aim for February, when highs average 33°C. December is the month to avoid if rain would spoil your plans — it averages 64 mm, roughly 2× the rainfall of the driest month (July).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Uruguaiana forecast for what is happening now.