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Blumenau Weather by Month
Average temperatures, rainfall and humidity for Blumenau, Brazil, month by month, built from OpenWeather’s historical records. Use it to see what a typical Blumenau month looks like before you travel — then check the live Blumenau forecast for the days ahead.
Warmest month
February
30°C average high
Coolest month
July
12°C average low
Wettest month
March
95 mm of rain
Driest month
July
51 mm of rain
Average temperature and rainfall in Blumenau 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 | 12°C / 39°C | 81 mm | 81% | 7 km/h |
| February | 30°C | 20°C | 12°C / 37°C | 74 mm | 82% | 7 km/h |
| March | 29°C | 20°C | 11°C / 38°C | 95 mm | 83% | 7 km/h |
| April | 26°C | 17°C | 5°C / 36°C | 76 mm | 84% | 6 km/h |
| May | 24°C | 15°C | 3°C / 35°C | 74 mm | 85% | 6 km/h |
| June | 22°C | 13°C | -5°C / 31°C | 77 mm | 83% | 5 km/h |
| July | 21°C | 12°C | -1°C / 30°C | 51 mm | 82% | 6 km/h |
| August | 22°C | 13°C | 0°C / 35°C | 58 mm | 80% | 6 km/h |
| September | 24°C | 15°C | 3°C / 36°C | 80 mm | 82% | 7 km/h |
| October | 24°C | 17°C | 7°C / 39°C | 85 mm | 84% | 7 km/h |
| November | 26°C | 18°C | 10°C / 39°C | 86 mm | 80% | 8 km/h |
| December | 28°C | 20°C | 10°C / 39°C | 82 mm | 81% | 8 km/h |
Best time to visit Blumenau
The most comfortable time to visit Blumenau is generally May and August to September, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around March, totalling about 918 mm a year.
Travellers who prefer heat should aim for February, when highs average 30°C. March is the month to avoid if rain would spoil your plans — it averages 95 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 Blumenau forecast for what is happening now.
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