Poá climate — normals and trends
Poá (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.3 °C and it receives 1,534 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 February (22.2 °C on average) and the coldest is July (15.8 °C). Rainfall peaks in January.
Poá averages 0 frost days, 21 hot days (≥ 30 °C) and 177 rainy days per year.
Poá has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.0 °C (on 28 September 1961) and the coldest 2.0 °C (on 27 June 1994).
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
PoáSão Paulo
- coords
- -23.53°, -46.34°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
19.3°C
Average daily high
24.2°C
Average daily low
15.5°C
Annual rainfall
1,534mm
Sunshine / day
8.7h
Mean relative humidity
83%
Average peak wind
13.8km/h
Seasonal range
6.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
21 d/yr
Rainy days (≥ 1 mm)
177 d/yr
Annual snowfall
0.0 cm
Average feels-like high
25.9 °C
Average feels-like low
16.1 °C
Average peak gust
31.8 km/h
Tropical nights (≥ 20 °C)
23 d/yr
Solar radiation
16.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.57 · 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
37.0 °C
28 September 1961
Coldest day
2.0 °C
27 June 1994
Wettest day
158 mm
2 March 1986
Windiest day
42.9 km/h
10 December 2025
Strongest gust
99.4 km/h
17 December 1947
Hottest feels-like
39.5 °C
11 January 2015
Coldest feels-like
-2.2 °C
21 July 1981
Sunniest day
13.5 h
23 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 | 27.3 °C | +0.6 °C | 227 mm | -13 mm |
| Feb | 29.6 °C | +2.7 °C | 133 mm | -76 mm |
| Mar | 27.5 °C | +1.4 °C | 122 mm | -58 mm |
| Apr | 24.1 °C | -0.3 °C | 199 mm | +113 mm |
| May | 23.3 °C | +1.0 °C | 30 mm | -40 mm |
| Jun | 21.4 °C | 0.0 °C | 67 mm | +17 mm |
| Jul | 20.0 °C | -1.3 °C | 18 mm | -32 mm |
| Aug | 22.5 °C | -0.3 °C | 15 mm | -31 mm |
| Sep | 24.5 °C | +0.7 °C | 27 mm | -61 mm |
| Oct | 23.9 °C | -0.4 °C | 127 mm | -12 mm |
| Nov | 25.0 °C | +0.2 °C | 88 mm | -69 mm |
| Dec | 28.3 °C | +2.6 °C | 196 mm | -23 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 Poá?
Poá has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.3 °C and it receives 1,534 mm of precipitation per year.
What is the hottest day ever recorded in Poá?
The hottest day measured in Poá between 1940 and 2025 was 28 September 1961, reaching 37.0 °C.
What is the coldest day in Poá?
The coldest day measured in Poá between 1940 and 2025 was 27 June 1994, at 2.0 °C.
Does it snow in Poá?
Almost never: Poá sees virtually no snow, with about 0 frost days per year.
Has the climate of Poá warmed?
Yes: Poá warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Poá?
The wettest day measured in Poá between 1940 and 2025 was 2 March 1986, with 158 mm of rain in 24 hours.
What was the windiest day in Poá?
The windiest day measured in Poá between 1940 and 2025 was 10 December 2025, with winds reaching 42.9 km/h.
What is the warmest month in Poá?
The warmest month in Poá is February (22.2 °C on average); the coldest is July (15.8 °C).
How much does it rain in Poá?
Poá receives on average 1,534 mm of precipitation per year, spread over about 177 rainy days.
Is it sunny in Poá?
Poá gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.
Are there tropical nights in Poá?
Yes: Poá has on average 23 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Poá?
In Poá, between 1940 and 2025, the highest apparent temperature reached 39.5 °C on 11 January 2015, and the lowest was -2.2 °C on 21 July 1981.
Compare Poá with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Poá