Curitiba weather in April
April in Curitiba: warm, a little rain, with clean air — one of the best months to visit.
Updated September 2026 · climate normals from ERA5 reanalysis
#1 of 12 months in Curitiba · #239 of 1413 destinations to visit in April · comfort 88/100 (tier A)
- Days
- 23°C
- Nights
- 15°C
- Wet days
- 11
- Sun
- 8.2 h
- Humidity
- 85%
- Daylight
- 12 h

Traveller notes on Curitiba in April
Forum posters describe Curitiba's climate as distinctly cool for a Brazilian city, a direct result of its high elevation - one visitor specifically contrasted needing cold-weather clothes in Curitiba while nearby lower-elevation Morretes, just down the mountain, felt properly hot and muggy on the same day. April sits within the city's cooler autumn stretch, comfortable for walking the extensive park system without Brazil's more typical heat and humidity. Posters consistently name the French-inspired Botanical Garden (with its art nouveau greenhouse) and Parque Barigui as the standout April outings, well suited to the mild, temperate conditions this elevation provides.
Other months in Curitiba
Forum posters generally rate October as one of the best months in Brazil weather-wise, marking the start of spring, though posters flag it can still bring real rain during this seasonal transition. Posters describe Curitiba specifically as running noticeably colder than São Paulo, with one discussion citing conditions near 0C possible even outside the deepest part of winter, and forecasts elsewhere in the 10-19C range typical for the shoulder season. Given the limited destination-specific detail for October exactly, this note leans on that broader pattern: Curitiba's high-elevation, southern setting keeps it consistently cooler than most other major Brazilian cities, and October should trend mild rather than warm here even as much of the rest of the country moves into spring. Posters generally rate October as a cool, transitional month for Curitiba, layers still recommended.
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Curitiba climate normals — April
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Curitiba in April
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Busyone of its best months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Curitiba's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherCuritiba's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Curitiba in April
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Festival
Festival de Teatro de Curitiba
18 Mar – 12 Apr · usuallyArts festivalBook earlyFor a fortnight the city runs the largest theatre festival in Latin America across dozens of stages, with a fringe programme that spills into bars and bus terminals. Tickets for the main billing go in hours. Source ↗
Nearby, and something's on
Within 300 km of Curitiba — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Curitiba?
Curitiba in April — FAQ
- Is April a good time to visit Curitiba?
- April in Curitiba: warm, a little rain, with clean air — one of the best months to visit. It ranks #1 of 12 months for Curitiba on SeasonMap's comfort score (88/100).
- What is the weather like in Curitiba in April?
- In April, Curitiba averages a daily high of 23.4°C and a low of 15.3°C, with about 78.9 mm of rain over roughly 10.5 rainy days.
- What is the air quality in Curitiba in April?
- Curitiba has a mean US Air Quality Index of about 33 in April.
Within 300 km: Florianópolis' Sea warm enough to swim around 1 Dec – 15 Apr.