Curitiba Weather in May
Curitiba in May sees pleasant daytime temperatures of 21°C (70°F) and nighttime lows of 12°C (54°F). Rainfall is fairly high this month at around 96 mm (3.8 in), so pack a rain jacket to stay dry.
Rainfall in Curitiba in May
You can expect rain on roughly 19 days based on historical data, averaging 96 mm (3.8 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Curitiba in May
May in Curitiba is generally perfect, with days reaching 21°C (70°F) and nights settling around 12°C (54°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to around 12°C (54°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Curitiba in May
The area enjoys a balanced 149 hours of sunlight, ensuring it's neither too overcast nor too sunny.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Brazil, check out our Curitiba's climate page.
Curitiba Temperature in May
Min Temperature
12°C (54°F)
Max Temperature
21°C (70°F)
Chance of Rain
62%
Precipitation
96 mm (3.8 in)
Rainy days
19 days
Humidity
84%
Sunshine
149 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Curitiba typically stay consistent throughout May, with daily highs averaging around 21°C (70°F). Nights are cool, with lows typically ranging from 9°C (48°F) to 13°C (55°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 for Curitiba in May
Browse day-by-day weather records for Curitiba spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Curitiba historical weather extremes in May
The extremes listed below come from historical weather data collected in Curitiba from 1999 through 2026.
- The hottest May day on record in Curitiba reached 30°C (86°F) (May 1, 2024).
- The lowest daytime temperature in May was 11°C (52°F), recorded on May 23, 2006.
- Curitiba registered its coldest May night on May 29, 2000, with temperatures dropping to -2°C (28°F).
- The wettest May day on record brought 64 mm (2.5 in) of precipitation to Curitiba (May 12, 2021).
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
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What to Wear in Curitiba in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Curitiba in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Brazil, check out our Curitiba's climate page.
Temperature Rainfall Sunshine Humidity
See the full Curitiba climate overview or explore weather in Brazil.
