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Fortaleza Weather in May
May in Fortaleza averages 31°C (88°F) during the day and 25°C (77°F) at night. Quite a bit of rainfall is typical this month, with around 137 mm (5.4 in) on average. An umbrella is a good idea.
Rainfall in Fortaleza in May
You can typically expect 30 days of rain this month, averaging around 137 mm (5.4 in). This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Fortaleza in May
If you're visiting Fortaleza in May, expect highs of 31°C (88°F) and overnight lows around 25°C (77°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Fortaleza in May
Expect a lot of sunshine this month, with about 209 hours of sun. These sunny conditions add to the overall experience.
Average water temperature in May
The water temperature is 28°C (82°F), which most people find very comfortable. A good month for swimming and water sports.If your ideal day consists of dry skies and pleasant temperatures, August, September, October and November typically offer the best circumstances for Fortaleza.
Fortaleza Temperature in May
Min Temperature
25°C (77°F)
Max Temperature
31°C (88°F)
Water Temperature
28°C (82°F)
Chance of Rain
99%
Precipitation
137 mm (5.4 in)
Rainy days
30 days
Humidity
82%
Sunshine
209 hours
Percentage Sunshine
Fortaleza Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Fortaleza - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Fortaleza typically stay consistent throughout May, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather records for Fortaleza in May
Browse day-by-day weather records for Fortaleza spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Fortaleza historical weather extremes in May
According to our 26 years of weather records for Fortaleza, the following extremes were recorded between 2000 and 2026.
- On May 13, 2023, temperatures climbed to 33°C (91°F), marking the warmest May day on record.
- The coldest May day was on May 29, 2017, with a maximum of 25°C (77°F).
- Nighttime temperatures dropped to 22°C (72°F) on May 3, 2009, marking the coldest May night on record.
- Peak precipitation in May occurred on May 13, 2024, when 86 mm (3.4 in) of precipitation was measured.
Best Places in Brazil in May
Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Fortaleza in May
Warm temperatures in May make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. With water temperatures around 28°C (82°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Fortaleza in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Fortaleza 3-Day Forecast
More climate data for Fortaleza
Temperature Rainfall Sunshine Humidity Water Temp
See the full Fortaleza climate overview or explore weather in Brazil.
Popular in May
Where to go in May - average daytime high across popular destinations.
Fortaleza
31°C (88°F) Salvador
28°C (82°F) Rio de Janeiro
27°C (81°F) Búzios
26°C (79°F) Sao Paulo24°C (75°F) Paraty24°C (75°F) Florianópolis23°C (73°F) Gramado21°C (70°F) Bucket list
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