Fortaleza is rarely comfortable to be outside at midday. It comes closest in mid August, and even then it is too hot. For sun, any time of year works.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
For sun, Fortaleza rates Good or better for 35 of the year’s 36 ten-day sections, about eleven and a half months in all. It is at its best in early August, at 78. The clearest skies come in August, when the sky is typically 45% covered at midday (partly cloudy).
Being outside is not what Fortaleza is for: the Easy outdoors rating tops out at 26, mostly because it is too hot.
Walking is not what Fortaleza is for: the Active outdoors rating tops out at 3, mostly because it is too warm.
The year, measured
The average temperature in Fortaleza over the whole year is 27°C. November is the hottest month, with highs of about 31°C; July is the coldest, with lows of about 24°C. The rainy (wet) season in Fortaleza runs from January to June, peaking in March with a 49% chance of rain on a given day. The dry season is July to December; September is the driest month, at 0%. Winds in Fortaleza are highest in September, averaging 4.3 m/s (15 km/h), and lightest in March, at 2.1 m/s (8 km/h). The prevailing wind is from the E. The clearest skies in Fortaleza come in August, when the sky is typically 39% covered; March is the cloudiest month, at 62%.
Month by month Fortaleza climate by month: average temperatures year round · click a month to read it
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 29°C | 25°C | 32°C | 35% | 55% | 2.8 m/s | 7 | 62 | 1 |
| February | 29°C | 25°C | 32°C | 40% | 60% | 2.5 m/s | 7 | 60 | 1 |
| March | 28°C | 24°C | 32°C | 49% | 62% | 2.1 m/s | 7 | 56 | 1 |
| April | 29°C | 24°C | 32°C | 43% | 60% | 2.1 m/s | 6 | 55 | 1 |
| May | 29°C | 24°C | 32°C | 40% | 57% | 2.5 m/s | 7 | 60 | 1 |
| June | 29°C | 24°C | 30°C | 29% | 50% | 3.0 m/s | 12 | 72 | 3 |
| July | 29°C | 24°C | 30°C | 21% | 46% | 3.4 m/s | 19 | 75 | 3 |
| August | 30°C | 24°C | 29°C | 2% | 39% | 3.9 m/s | 23 | 77 | 3 |
| September | 30°C | 24°C | 30°C | 0% | 39% | 4.3 m/s | 21 | 76 | 2 |
| October | 30°C | 25°C | 30°C | 4% | 41% | 4.2 m/s | 13 | 73 | 1 |
| November | 31°C | 26°C | 31°C | 4% | 45% | 3.9 m/s | 8 | 69 | 0 |
| December | 30°C | 26°C | 32°C | 14% | 50% | 3.6 m/s | 6 | 66 | 1 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Fortaleza weather by season
Year round, Fortaleza has days of about 28°C at their warmest in March, its coolest month, and 31°C in November, its warmest; the coolest hours of the day run from 24°C to 26°C through the year, and the average temperature over the year is 27°C around the clock. Rain is most likely around March and least likely around September. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Fortaleza weather in winterJune to August
Winter in Fortaleza has typical daily highs of about 29°C and lows of about 24°C, with a 18% chance of rain on a given day.
Fortaleza weather in springSeptember to November
Spring in Fortaleza has typical daily highs of about 30°C and lows of about 25°C, with a 2% chance of rain on a given day.
Fortaleza weather in summerDecember to February
Summer in Fortaleza has typical daily highs of about 29°C and lows of about 25°C, with a 29% chance of rain on a given day.
Fortaleza weather in autumnMarch to May
Autumn in Fortaleza has typical daily highs of about 29°C and lows of about 24°C, with a 44% chance of rain on a given day.
When is the rainy season in Fortaleza?
The rainy (wet) season in Fortaleza runs from January to June, peaking in March with a 49% chance of rain on a given day. The dry season is July to December; September is the driest month, at 0%.
What time of year is Fortaleza windiest?
Winds in Fortaleza are highest in September, averaging 4.3 m/s (15 km/h), and lightest in March, at 2.1 m/s (8 km/h). The prevailing wind is from the E.
What is the average temperature in Fortaleza year round?
The average temperature in Fortaleza over the whole year is 27°C. November is the hottest month, with highs of about 31°C; July is the coldest, with lows of about 24°C.
Where to go instead in early December, the weakest time here for being outside
How this is worked out
Every figure is a decade of weather-station observations blended into one typical year, in ten-day sections. The ratings, the chart and the feels-like column are read at midday local solar time. Being outside is the Easy outdoors rating, Sun is Sunbathing and Walking is Active outdoors, each out of 100: Good from 55, Ideal from 80. They describe what a time of year is usually like here, not a forecast. The dotted links open the map at that time of year; set its time of day to midday to see these numbers.