Posse climate — normals and trends
Posse (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 23.1 °C and it receives 1,526 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 (25.2 °C on average) and the coldest is July (21.6 °C). Rainfall peaks in December.
Posse averages 0 frost days, 89 hot days (≥ 30 °C) and 145 rainy days per year.
Posse 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 38.7 °C (on 20 October 1963) and the coldest 8.4 °C (on 20 May 2022).
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
PosseGoiás
- coords
- -14.09°, -46.37°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.1°C
Average daily high
28.4°C
Average daily low
18.6°C
Annual rainfall
1,526mm
Sunshine / day
10.6h
Mean relative humidity
66%
Average peak wind
14.2km/h
Seasonal range
3.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
89 d/yr
Rainy days (≥ 1 mm)
145 d/yr
Annual snowfall
0.0 cm
Average feels-like high
30.5 °C
Average feels-like low
18.8 °C
Average peak gust
33.3 km/h
Tropical nights (≥ 20 °C)
71 d/yr
Solar radiation
20.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.32 · 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
38.7 °C
20 October 1963
Coldest day
8.4 °C
20 May 2022
Wettest day
156 mm
18 October 2011
Windiest day
31.4 km/h
14 July 1985
Strongest gust
66.6 km/h
5 August 2019
Hottest feels-like
41.2 °C
5 October 2015
Coldest feels-like
6.0 °C
20 May 2022
Sunniest day
12.6 h
23 January 2025
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 | 27.4 °C | -0.1 °C | 206 mm | -32 mm |
| Feb | 29.4 °C | +1.9 °C | 56 mm | -161 mm |
| Mar | 30.8 °C | +3.2 °C | 99 mm | -134 mm |
| Apr | 28.8 °C | +1.1 °C | 128 mm | +1 mm |
| May | 28.5 °C | +0.7 °C | 4 mm | -28 mm |
| Jun | 29.0 °C | +1.3 °C | 0 mm | -4 mm |
| Jul | 28.9 °C | +1.1 °C | 0 mm | -2 mm |
| Aug | 30.9 °C | +1.3 °C | 0 mm | -3 mm |
| Sep | 32.4 °C | +1.0 °C | 8 mm | -15 mm |
| Oct | 32.4 °C | +2.0 °C | 36 mm | -102 mm |
| Nov | 29.5 °C | +1.5 °C | 137 mm | -115 mm |
| Dec | 28.0 °C | +0.6 °C | 161 mm | -97 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 Posse?
Posse has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 23.1 °C and it receives 1,526 mm of precipitation per year.
What is the hottest day ever recorded in Posse?
The hottest day measured in Posse between 1940 and 2025 was 20 October 1963, reaching 38.7 °C.
What is the coldest day in Posse?
The coldest day measured in Posse between 1940 and 2025 was 20 May 2022, at 8.4 °C.
Does it snow in Posse?
Almost never: Posse sees virtually no snow, with about 0 frost days per year.
Has the climate of Posse warmed?
Yes: Posse warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Posse?
The wettest day measured in Posse between 1940 and 2025 was 18 October 2011, with 156 mm of rain in 24 hours.
What was the windiest day in Posse?
The windiest day measured in Posse between 1940 and 2025 was 14 July 1985, with winds reaching 31.4 km/h.
What is the warmest month in Posse?
The warmest month in Posse is September (25.2 °C on average); the coldest is July (21.6 °C).
How much does it rain in Posse?
Posse receives on average 1,526 mm of precipitation per year, spread over about 145 rainy days.
Is it sunny in Posse?
Posse gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.
Are there tropical nights in Posse?
Yes: Posse has on average 71 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Posse?
In Posse, between 1940 and 2025, the highest apparent temperature reached 41.2 °C on 5 October 2015, and the lowest was 6.0 °C on 20 May 2022.
Compare Posse with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Posse