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Fortaleza Weather by Month
Average temperatures, rainfall and humidity for Fortaleza, Brazil, month by month, built from OpenWeather’s historical records. Use it to see what a typical Fortaleza month looks like before you travel — then check the live Fortaleza forecast for the days ahead.
Warmest month
December
31°C average high
Coolest month
July
24°C average low
Wettest month
March
104 mm of rain
Driest month
September
2 mm of rain
Average temperature and rainfall in Fortaleza 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 | 26°C | 22°C / 33°C | 38 mm | 77% | 18 km/h |
| February | 30°C | 25°C | 18°C / 33°C | 59 mm | 79% | 16 km/h |
| March | 30°C | 25°C | 1°C / 33°C | 104 mm | 80% | 13 km/h |
| April | 30°C | 25°C | 22°C / 34°C | 94 mm | 81% | 13 km/h |
| May | 30°C | 25°C | 22°C / 33°C | 60 mm | 79% | 16 km/h |
| June | 30°C | 25°C | 22°C / 33°C | 33 mm | 78% | 18 km/h |
| July | 30°C | 24°C | 21°C / 33°C | 14 mm | 75% | 20 km/h |
| August | 30°C | 25°C | 22°C / 33°C | 4 mm | 73% | 24 km/h |
| September | 30°C | 25°C | 22°C / 33°C | 2 mm | 72% | 26 km/h |
| October | 30°C | 26°C | 21°C / 33°C | 4 mm | 74% | 26 km/h |
| November | 31°C | 26°C | 23°C / 33°C | 7 mm | 72% | 23 km/h |
| December | 31°C | 26°C | 23°C / 39°C | 12 mm | 74% | 22 km/h |
Best time to visit Fortaleza
The most comfortable time to visit Fortaleza is generally August to October, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around March, totalling about 431 mm a year.
Travellers who prefer heat should aim for December, when highs average 31°C. March is the month to avoid if rain would spoil your plans — it averages 104 mm, roughly 54× the rainfall of the driest month (September).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Fortaleza forecast for what is happening now.