Weather in Fortaleza in August

Prime time. August is about as good as Fortaleza gets. Highs average 29.5 °C, lows 24.6 °C, and rain falls on 2 days — nothing in the month is working against you.

August is the highest-scoring month of the twelve. The nearest rival is September, and the month at the other end of the year is March.

Rain falls on only 2 days, so an itinerary with no wet-weather fallback is a reasonable risk. Pack for 29.5 °C days and 24.6 °C nights; the spread matters more here than any single number.

What the averages hide

Averages flatten a month, and this one hides a few things: 7 days top 30 °C — hot spells arrive, but they break; the day barely swings — 4.9 °C between the overnight low and the afternoon high. Across the twenty years measured, the hottest August day reached 31.5 °C and the coldest night fell to 22.7 °C.

This is the volatile part. August rainfall has ranged from 0 mm to 31 mm across the twenty years measured — a 31 mm spread around an average of 9 mm. The average is real but almost no individual August looks like it, so treat the figure as the middle of a wide range rather than a forecast.

Wind sits around 22.5 km/h — a steady breeze rather than a nuisance, and welcome on the warmer days, and humidity is unremarkable at 74%.

How August sits in the year

Temperatures hold steady either side: 28.8 °C in July, 29.5 here, 30 in September. Nothing about the timing within the month matters much. Rain has already shifted: 7 days fewer than July had.

Daylight in August

Fortaleza sits close enough to the equator that daylight barely moves all year — 12 hours in August, against a range of just 0.4 hours across the whole calendar. Sunrise and sunset land at roughly the same time whenever you come.

Sea temperature

The sea sits at about 26.8 °C in August — warm enough to stay in as long as you like. The sea peaks at 28.8 °C in April and bottoms out at 26.6 °C — water lags the air by a month or two, which is why the best swimming often comes after the best weather.

How busy it gets

Peak season. Expect the highest prices of the year and to be booking well ahead.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

August in Fortaleza versus nearby

If Fortaleza is one option among several, the nearby comparison is worth making. Recife is the weaker option in August — 2.2 °C cooler, 20 days more rain. Maceió is the weaker option in August — 2.7 °C cooler, 19 days more rain.

So: August is the answer for Fortaleza. If it is booked out or priced out, September is the next best thing at 1 points behind, and March is the month to keep off the shortlist.

Every month in Fortaleza

See all twelve months in Fortaleza, or where else to go in August.