Amarante climate — normals and trends
Amarante (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.7 °C and it receives 1,127 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 October (30.4 °C on average) and the coldest is March (25.7 °C). Rainfall peaks in March.
Amarante averages 0 frost days, 293 hot days (≥ 30 °C) and 129 rainy days per year.
Amarante has warmed by +0.8 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.6 °C (on 20 November 2005) and the coldest 18.3 °C (on 15 June 1945).
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
AmarantePiauí
- coords
- -6.24°, -42.85°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
27.7°C
Average daily high
32.4°C
Average daily low
23.7°C
Annual rainfall
1,127mm
Sunshine / day
10.8h
Mean relative humidity
64%
Average peak wind
13.5km/h
Seasonal range
4.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
293 d/yr
Rainy days (≥ 1 mm)
129 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.1 °C
Average feels-like low
25.8 °C
Average peak gust
31.7 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
20.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.09 · p = 0.004
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
40.6 °C
20 November 2005
Coldest day
18.3 °C
15 June 1945
Wettest day
235 mm
23 April 2009
Windiest day
31.1 km/h
16 July 1988
Strongest gust
61.9 km/h
17 July 1947
Hottest feels-like
44.7 °C
31 October 2012
Coldest feels-like
17.4 °C
31 July 1956
Sunniest day
12.2 h
16 November 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 | 30.9 °C | +0.1 °C | 245 mm | +41 mm |
| Feb | 31.4 °C | +1.2 °C | 75 mm | -145 mm |
| Mar | 31.0 °C | +1.0 °C | 111 mm | -155 mm |
| Apr | 32.3 °C | +2.0 °C | 43 mm | -134 mm |
| May | 33.3 °C | +2.1 °C | 4 mm | -50 mm |
| Jun | 33.3 °C | +1.3 °C | 1 mm | -7 mm |
| Jul | 34.3 °C | +1.6 °C | 1 mm | -4 mm |
| Aug | 35.3 °C | +1.2 °C | 2 mm | +1 mm |
| Sep | 36.6 °C | +1.1 °C | 0 mm | -5 mm |
| Oct | 36.6 °C | +1.0 °C | 24 mm | +1 mm |
| Nov | 35.7 °C | +1.4 °C | 8 mm | -51 mm |
| Dec | 32.4 °C | -0.3 °C | 50 mm | -57 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 Amarante?
Amarante has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.7 °C and it receives 1,127 mm of precipitation per year.
What is the hottest day ever recorded in Amarante?
The hottest day measured in Amarante between 1940 and 2025 was 20 November 2005, reaching 40.6 °C.
What is the coldest day in Amarante?
The coldest day measured in Amarante between 1940 and 2025 was 15 June 1945, at 18.3 °C.
Does it snow in Amarante?
Almost never: Amarante sees virtually no snow, with about 0 frost days per year.
Has the climate of Amarante warmed?
Yes: Amarante warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Amarante?
The wettest day measured in Amarante between 1940 and 2025 was 23 April 2009, with 235 mm of rain in 24 hours.
What was the windiest day in Amarante?
The windiest day measured in Amarante between 1940 and 2025 was 16 July 1988, with winds reaching 31.1 km/h.
What is the warmest month in Amarante?
The warmest month in Amarante is October (30.4 °C on average); the coldest is March (25.7 °C).
How much does it rain in Amarante?
Amarante receives on average 1,127 mm of precipitation per year, spread over about 129 rainy days.
Is it sunny in Amarante?
Amarante gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
Are there tropical nights in Amarante?
Yes: Amarante has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Amarante?
In Amarante, between 1940 and 2025, the highest apparent temperature reached 44.7 °C on 31 October 2012, and the lowest was 17.4 °C on 31 July 1956.
Compare Amarante with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Amarante