Plácido de Castro climate — normals and trends
Plácido de Castro (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.4 °C and it receives 1,822 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 September (26.5 °C on average) and the coldest is June (24.2 °C). Rainfall peaks in February.
Plácido de Castro averages 0 frost days, 218 hot days (≥ 30 °C) and 225 rainy days per year.
Plácido de Castro has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.2 °C (on 30 September 2010) and the coldest 8.2 °C (on 19 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
Plácido de CastroAcre
- coords
- -10.34°, -67.19°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.4°C
Average daily high
30.5°C
Average daily low
21.9°C
Annual rainfall
1,822mm
Sunshine / day
9.2h
Mean relative humidity
84%
Average peak wind
9.2km/h
Seasonal range
2.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
218 d/yr
Rainy days (≥ 1 mm)
225 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.9 °C
Average feels-like low
25.4 °C
Average peak gust
26.9 km/h
Tropical nights (≥ 20 °C)
319 d/yr
Solar radiation
17.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.44 · 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
40.2 °C
30 September 2010
Coldest day
8.2 °C
19 July 1975
Wettest day
140 mm
1 March 2019
Windiest day
27.4 km/h
21 August 2016
Strongest gust
64.8 km/h
21 August 2016
Hottest feels-like
44.5 °C
11 October 2023
Coldest feels-like
5.1 °C
19 July 1975
Sunniest day
12.6 h
30 December 2023
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 | 30.9 °C | +1.0 °C | 219 mm | -30 mm |
| Feb | 29.9 °C | +0.3 °C | 301 mm | +48 mm |
| Mar | 30.3 °C | +0.5 °C | 334 mm | +88 mm |
| Apr | 30.3 °C | +0.8 °C | 229 mm | +54 mm |
| May | 30.6 °C | +1.6 °C | 100 mm | +8 mm |
| Jun | 29.6 °C | +0.2 °C | 40 mm | -2 mm |
| Jul | 32.2 °C | +1.2 °C | 19 mm | -7 mm |
| Aug | 34.0 °C | +1.3 °C | 22 mm | -24 mm |
| Sep | 33.0 °C | +0.2 °C | 97 mm | +9 mm |
| Oct | 32.2 °C | +0.3 °C | 151 mm | -3 mm |
| Nov | 30.9 °C | +0.1 °C | 259 mm | +53 mm |
| Dec | 29.9 °C | -0.2 °C | 371 mm | +124 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 Plácido de Castro?
Plácido de Castro has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.4 °C and it receives 1,822 mm of precipitation per year.
What is the hottest day ever recorded in Plácido de Castro?
The hottest day measured in Plácido de Castro between 1940 and 2025 was 30 September 2010, reaching 40.2 °C.
What is the coldest day in Plácido de Castro?
The coldest day measured in Plácido de Castro between 1940 and 2025 was 19 July 1975, at 8.2 °C.
Does it snow in Plácido de Castro?
Almost never: Plácido de Castro sees virtually no snow, with about 0 frost days per year.
Has the climate of Plácido de Castro warmed?
Yes: Plácido de Castro warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Plácido de Castro?
The wettest day measured in Plácido de Castro between 1940 and 2025 was 1 March 2019, with 140 mm of rain in 24 hours.
What was the windiest day in Plácido de Castro?
The windiest day measured in Plácido de Castro between 1940 and 2025 was 21 August 2016, with winds reaching 27.4 km/h.
What is the warmest month in Plácido de Castro?
The warmest month in Plácido de Castro is September (26.5 °C on average); the coldest is June (24.2 °C).
How much does it rain in Plácido de Castro?
Plácido de Castro receives on average 1,822 mm of precipitation per year, spread over about 225 rainy days.
Is it sunny in Plácido de Castro?
Plácido de Castro gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.
Are there tropical nights in Plácido de Castro?
Yes: Plácido de Castro has on average 319 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Plácido de Castro?
In Plácido de Castro, between 1940 and 2025, the highest apparent temperature reached 44.5 °C on 11 October 2023, and the lowest was 5.1 °C on 19 July 1975.
Compare Plácido de Castro with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Plácido de Castro