Piraí do Sul climate — normals and trends
Piraí do Sul (Brazil) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 17.5 °C and it receives 1,514 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is January (20.6 °C on average) and the coldest is July (13.6 °C). Rainfall peaks in January.
Piraí do Sul averages 1 frost days, 3 hot days (≥ 30 °C) and 169 rainy days per year.
Piraí do Sul has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The hottest day of the period reached 33.6 °C (on 16 November 1985) and the coldest -5.1 °C (on 18 July 1975).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
Piraí do SulParaná
- coords
- -24.53°, -49.95°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.5°C
Average daily high
22.4°C
Average daily low
13.6°C
Annual rainfall
1,514mm
Sunshine / day
9.3h
Mean relative humidity
81%
Average peak wind
15.5km/h
Seasonal range
7.0°C
Frost days (< 0 °C)
1 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
169 d/yr
Annual snowfall
0.0 cm
Average feels-like high
23.3 °C
Average feels-like low
13.0 °C
Average peak gust
34.5 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
16.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.53 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
33.6 °C
16 November 1985
Coldest day
-5.1 °C
18 July 1975
Wettest day
121 mm
25 January 2004
Windiest day
43.2 km/h
15 September 1956
Strongest gust
94.7 km/h
19 June 1991
Hottest feels-like
36.7 °C
28 February 2003
Coldest feels-like
-10.4 °C
18 July 1975
Snowiest day
0.1 cm
21 August 1965
Sunniest day
13.5 h
15 December 1942
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 25.4 °C | +0.2 °C | 289 mm | +73 mm |
| Feb | 26.9 °C | +1.8 °C | 161 mm | -22 mm |
| Mar | 26.4 °C | +1.9 °C | 108 mm | -31 mm |
| Apr | 22.2 °C | -0.5 °C | 113 mm | +37 mm |
| May | 20.9 °C | +0.9 °C | 60 mm | -30 mm |
| Jun | 18.2 °C | -0.6 °C | 126 mm | +40 mm |
| Jul | 18.1 °C | -0.6 °C | 40 mm | -33 mm |
| Aug | 20.2 °C | -0.5 °C | 34 mm | -35 mm |
| Sep | 23.5 °C | +1.5 °C | 49 mm | -65 mm |
| Oct | 21.9 °C | -1.0 °C | 177 mm | +23 mm |
| Nov | 23.9 °C | 0.0 °C | 120 mm | -19 mm |
| Dec | 26.4 °C | +1.8 °C | 148 mm | -29 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Piraí do Sul?
Piraí do Sul has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 17.5 °C and it receives 1,514 mm of precipitation per year.
What is the hottest day ever recorded in Piraí do Sul?
The hottest day measured in Piraí do Sul between 1940 and 2025 was 16 November 1985, reaching 33.6 °C.
What is the coldest day in Piraí do Sul?
The coldest day measured in Piraí do Sul between 1940 and 2025 was 18 July 1975, at -5.1 °C.
Does it snow in Piraí do Sul?
Almost never: Piraí do Sul sees virtually no snow, with about 1 frost days per year.
Has the climate of Piraí do Sul warmed?
Yes: Piraí do Sul warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Piraí do Sul?
The wettest day measured in Piraí do Sul between 1940 and 2025 was 25 January 2004, with 121 mm of rain in 24 hours.
What was the windiest day in Piraí do Sul?
The windiest day measured in Piraí do Sul between 1940 and 2025 was 15 September 1956, with winds reaching 43.2 km/h.
What is the warmest month in Piraí do Sul?
The warmest month in Piraí do Sul is January (20.6 °C on average); the coldest is July (13.6 °C).
How much does it rain in Piraí do Sul?
Piraí do Sul receives on average 1,514 mm of precipitation per year, spread over about 169 rainy days.
Is it sunny in Piraí do Sul?
Piraí do Sul gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.
What is the biggest single-day snowfall in Piraí do Sul?
The heaviest 24-hour snowfall measured in Piraí do Sul between 1940 and 2025 was 21 August 1965, with 0.1 cm.
Are there tropical nights in Piraí do Sul?
Yes: Piraí do Sul has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Piraí do Sul?
In Piraí do Sul, between 1940 and 2025, the highest apparent temperature reached 36.7 °C on 28 February 2003, and the lowest was -10.4 °C on 18 July 1975.
Compare Piraí do Sul with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Piraí do Sul