Curitiba is warmest in February, averaging 28° by day and 18° at night. The wettest month is October with 214 mm, and the year brings about 1529 mm in total.
Month by month
| Month | High | Low | Rain | Daylight | Good for |
|---|---|---|---|---|---|
| January | 27° | 18° | 177 mm | 13.4 h | Mild |
| February | 28° | 18° | 137 mm | 12.9 h | Mild |
| March | 27° | 16° | 130 mm | 12.2 h | Mild |
| April | 25° | 15° | 90 mm | 11.4 h | Sightseeing |
| May | 22° | 12° | 71 mm | 10.8 h | Sightseeing |
| June | 20° | 10° | 123 mm | 10.4 h | Mild |
| July | 20° | 9° | 71 mm | 10.6 h | Sightseeing |
| August | 22° | 10° | 115 mm | 11.1 h | Mild |
| September | 25° | 12° | 96 mm | 11.9 h | Beach weather |
| October | 25° | 14° | 214 mm | 12.6 h | Rainy season |
| November | 26° | 14° | 138 mm | 13.3 h | Mild |
| December | 27° | 17° | 167 mm | 13.6 h | Mild |
High and low are average daily maximum and minimum, rain is typical monthly total, daylight is the hours between sunrise and sunset mid-month. Climate normals from NASA POWER — averages, not promises.
When to go
Beach weather: September — highs around 25°, nights no colder than 12°, and at most 96 mm of rain in a month.
Walking the city: April, May and July — highs of 20–25° and no more than 90 mm of rain a month.
Wet season: October — up to 214 mm in a single month.