Palmas climate — normals and trends
Palmas (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.1 °C and it receives 1,955 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 (28.6 °C on average) and the coldest is February (25.0 °C). Rainfall peaks in January.
Palmas averages 0 frost days, 252 hot days (≥ 30 °C) and 175 rainy days per year.
Palmas has warmed by +0.5 °C between 1940 and 2025, or +0.06 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.7 °C (on 29 October 1963) and the coldest 14.6 °C (on 15 July 2024).
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
PalmasTocantins
- coords
- -10.17°, -48.33°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.1°C
Average daily high
31.4°C
Average daily low
21.7°C
Annual rainfall
1,955mm
Sunshine / day
10.2h
Mean relative humidity
69%
Average peak wind
10.9km/h
Seasonal range
3.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
252 d/yr
Rainy days (≥ 1 mm)
175 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.2 °C
Average feels-like low
24.2 °C
Average peak gust
29.7 km/h
Tropical nights (≥ 20 °C)
321 d/yr
Solar radiation
19.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.5 °C
since 1940
+0.1 °C per decade · r² = 0.09 · p = 0.006
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
40.7 °C
29 October 1963
Coldest day
14.6 °C
15 July 2024
Wettest day
176 mm
16 March 1969
Windiest day
25.9 km/h
6 August 2019
Strongest gust
58.3 km/h
28 December 1967
Hottest feels-like
43.4 °C
30 October 1963
Coldest feels-like
13.7 °C
22 August 2025
Sunniest day
12.6 h
5 January 1941
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 | 29.5 °C | +0.1 °C | 311 mm | -26 mm |
| Feb | 29.9 °C | +0.6 °C | 287 mm | -30 mm |
| Mar | 30.4 °C | +1.1 °C | 207 mm | -119 mm |
| Apr | 31.1 °C | +1.1 °C | 180 mm | -23 mm |
| May | 32.5 °C | +1.2 °C | 23 mm | -29 mm |
| Jun | 33.4 °C | +1.4 °C | 0 mm | -4 mm |
| Jul | 33.6 °C | +1.1 °C | 0 mm | -2 mm |
| Aug | 35.1 °C | +0.9 °C | 2 mm | -1 mm |
| Sep | 35.7 °C | +0.8 °C | 18 mm | -10 mm |
| Oct | 34.6 °C | +1.8 °C | 30 mm | -113 mm |
| Nov | 31.5 °C | +0.8 °C | 195 mm | -49 mm |
| Dec | 30.2 °C | +0.3 °C | 286 mm | -10 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 Palmas?
Palmas has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.1 °C and it receives 1,955 mm of precipitation per year.
What is the hottest day ever recorded in Palmas?
The hottest day measured in Palmas between 1940 and 2025 was 29 October 1963, reaching 40.7 °C.
What is the coldest day in Palmas?
The coldest day measured in Palmas between 1940 and 2025 was 15 July 2024, at 14.6 °C.
Does it snow in Palmas?
Almost never: Palmas sees virtually no snow, with about 0 frost days per year.
Has the climate of Palmas warmed?
Yes: Palmas warmed by +0.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Palmas?
The wettest day measured in Palmas between 1940 and 2025 was 16 March 1969, with 176 mm of rain in 24 hours.
What was the windiest day in Palmas?
The windiest day measured in Palmas between 1940 and 2025 was 6 August 2019, with winds reaching 25.9 km/h.
What is the warmest month in Palmas?
The warmest month in Palmas is September (28.6 °C on average); the coldest is February (25.0 °C).
How much does it rain in Palmas?
Palmas receives on average 1,955 mm of precipitation per year, spread over about 175 rainy days.
Is it sunny in Palmas?
Palmas gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
Are there tropical nights in Palmas?
Yes: Palmas has on average 321 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Palmas?
In Palmas, between 1940 and 2025, the highest apparent temperature reached 43.4 °C on 30 October 1963, and the lowest was 13.7 °C on 22 August 2025.
Compare Palmas with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Palmas