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Fortaleza climate by month
What the weather is like
Fortaleza has a tropical savanna climate (Köppen Aw): .
The warmest month is November, when afternoons average 30° and nights 25°. March is the coolest month, with highs of 28° and lows of 25°. The difference between the warmest and the coolest month is about 1°, a small seasonal swing typical of places tempered by the sea.
About 1,356 mm of precipitation falls in an average year. March is the wettest month (300 mm, 27 wet days) and September the driest (13 mm, 0 wet days). Cloud cover ranges from 8% in August to 49% in April.
The sea reaches about 29° in April. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Compared with Brasília, the capital, Fortaleza is 3.9° warmer on a November afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 30° · November
- Coldest nights
- 24° · July
- Wettest month
- March
- Driest month
- September
- Clearest skies
- August · 8% cloud
- Warmest sea
- 29° · April
- Longest day
- 12 h 20 min
- Shortest day
- 11 h 54 min
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columns, sea temperature lineTemperature curve
Average high, low and seaDaylight
Hours between sunrise and sunset on the 15th of each monthClimate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 29° | 29° | 28° | 28° | 29° | 29° | 29° | 29° | 30° | 30° | 30° | 29° |
| Average low | 25° | 25° | 25° | 25° | 25° | 25° | 24° | 24° | 25° | 25° | 25° | 25° |
| Precipitation | 118 mm | 161 mm | 300 mm | 317 mm | 190 mm | 119 mm | 62 mm | 18 mm | 13 mm | 10 mm | 12 mm | 36 mm |
| Wet days (≥1 mm) | 18.8 | 21.8 | 27.2 | 26.2 | 21.8 | 16.5 | 8 | 2.3 | 0 | 0.2 | 1 | 3.8 |
| Cloud cover | 36% | 41% | 45% | 49% | 32% | 18% | 14% | 8% | 9% | 13% | 19% | 26% |
| Sea temperature | 28° | 28° | 29° | 29° | 29° | 28° | 27° | 27° | 27° | 27° | 27° | 28° |
| Daylight | 12h 19 | 12h 14 | 12h 08 | 12h 02 | 11h 57 | 11h 54 | 11h 55 | 11h 59 | 12h 05 | 12h 11 | 12h 17 | 12h 20 |
| Month score | 48 | 47 | 47 | 45 | 51 | 52 | 65 | 76 | 81 | 80 | 77 | 73 |