Curitiba weather in January

January in Curitiba: hot, soaked, with clean air — fine if you can take 23 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Curitiba🇧🇷 Brazil · Southern Brazil & Iguazú · City74
  1. 74Jan
  2. 77Feb
  3. 81Mar
  4. 88Apr
  5. 82May
  6. 81Jun
  7. 86Jul
  8. 83Aug
  9. 87Sep
  10. 78Oct
  11. 85Nov
  12. 78Dec

#12 of 12 months in Curitiba · #608 of 1413 destinations to visit in January · comfort 74/100 (tier B)

Days
27°C
Nights
19°C
Wet days
23
Sun
9.3 h
Humidity
86%
Daylight
14 h
Curitiba, Brazil
Photo: Cláudio Emanuel · Pexels

Traveller notes on Curitiba in January

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.
Tripadvisor community · October · 1 month ago · Read more on Tripadvisor ↗
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.
Tripadvisor community · April · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Curitiba's card on the map.

Curitiba climate normals — January

Daytime high27°C / 80°F🥵 hot
Nighttime low19°C / 65°F
Feels like (high)30°C / 86°F
Rainfall193 mm / 7.6 in⛈ soaked
Rainy days23 days
Humidity86%💦 very humid
Dew point18°C / 64°F
Sunshine9.3 h/day
Daylight13.5 h
Wind16 km/h / 10 mph
Air quality (US AQI)32🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Curitiba in January

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.

Peak crowdsOficina de Música de Curitiba, Summer holidays in Brazil, school holidays in 3 of the markets that fill it(estimated)

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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.

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What's on in Curitiba in January

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Festival

    Oficina de Música de Curitiba

    5–25 Jan · usuallyMusic festivalCrowded

    One of Latin America's largest music schools-cum-festivals takes over the Guaíra theatres, churches and parks for about twelve days in January, with ticketed shows and plenty of free recitals. Source ↗

What's on around the world in January →

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?

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Curitiba in January — FAQ

Is January a good time to visit Curitiba?
January in Curitiba: hot, soaked, with clean air — fine if you can take 23 rainy days. It ranks #12 of 12 months for Curitiba on SeasonMap's comfort score (74/100).
What is the weather like in Curitiba in January?
In January, Curitiba averages a daily high of 26.6°C and a low of 18.5°C, with about 193 mm of rain over roughly 23 rainy days.
What is the air quality in Curitiba in January?
Curitiba has a mean US Air Quality Index of about 32 in January.

Within 300 km: Florianópolis' Sea warm enough to swim around 1 Dec – 15 Apr.