Traipu climate — normals and trends
Traipu (Brazil) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 25.8 °C and it receives 469 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 January (27.5 °C on average) and the coldest is July (23.2 °C). Rainfall peaks in April.
Traipu averages 0 frost days, 218 hot days (≥ 30 °C) and 139 rainy days per year.
Traipu has warmed by +0.9 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.8 °C (on 20 March 2019) and the coldest 15.5 °C (on 15 September 1968).
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
TraipuAlagoas
- coords
- -9.97°, -37.00°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.8°C
Average daily high
30.8°C
Average daily low
22.0°C
Annual rainfall
469mm
Sunshine / day
10.9h
Mean relative humidity
74%
Average peak wind
16.7km/h
Seasonal range
4.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
218 d/yr
Rainy days (≥ 1 mm)
139 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.5 °C
Average feels-like low
25.1 °C
Average peak gust
37.1 km/h
Tropical nights (≥ 20 °C)
319 d/yr
Solar radiation
19.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.35 · 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
39.8 °C
20 March 2019
Coldest day
15.5 °C
15 September 1968
Wettest day
103 mm
7 March 1960
Windiest day
26.0 km/h
17 June 1967
Strongest gust
56.2 km/h
14 August 2007
Hottest feels-like
43.8 °C
26 November 2015
Coldest feels-like
15.7 °C
15 September 1968
Sunniest day
12.6 h
2 January 1940
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 33.5 °C | +0.3 °C | 78 mm | +44 mm |
| Feb | 32.3 °C | -0.7 °C | 39 mm | -1 mm |
| Mar | 33.2 °C | +0.5 °C | 17 mm | -39 mm |
| Apr | 33.8 °C | +2.6 °C | 23 mm | -38 mm |
| May | 29.8 °C | +0.5 °C | 95 mm | +33 mm |
| Jun | 27.5 °C | -0.3 °C | 110 mm | +55 mm |
| Jul | 27.1 °C | 0.0 °C | 33 mm | -15 mm |
| Aug | 27.5 °C | -0.2 °C | 52 mm | +20 mm |
| Sep | 28.3 °C | -1.1 °C | 37 mm | +13 mm |
| Oct | 31.0 °C | -0.9 °C | 20 mm | +3 mm |
| Nov | 33.9 °C | +0.6 °C | 10 mm | -11 mm |
| Dec | 34.4 °C | +1.0 °C | 4 mm | -16 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 Traipu?
Traipu has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 25.8 °C and it receives 469 mm of precipitation per year.
What is the hottest day ever recorded in Traipu?
The hottest day measured in Traipu between 1940 and 2025 was 20 March 2019, reaching 39.8 °C.
What is the coldest day in Traipu?
The coldest day measured in Traipu between 1940 and 2025 was 15 September 1968, at 15.5 °C.
Does it snow in Traipu?
Almost never: Traipu sees virtually no snow, with about 0 frost days per year.
Has the climate of Traipu warmed?
Yes: Traipu warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Traipu?
The wettest day measured in Traipu between 1940 and 2025 was 7 March 1960, with 103 mm of rain in 24 hours.
What was the windiest day in Traipu?
The windiest day measured in Traipu between 1940 and 2025 was 17 June 1967, with winds reaching 26.0 km/h.
What is the warmest month in Traipu?
The warmest month in Traipu is January (27.5 °C on average); the coldest is July (23.2 °C).
How much does it rain in Traipu?
Traipu receives on average 469 mm of precipitation per year, spread over about 139 rainy days.
Is it sunny in Traipu?
Traipu gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
Are there tropical nights in Traipu?
Yes: Traipu has on average 319 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Traipu?
In Traipu, between 1940 and 2025, the highest apparent temperature reached 43.8 °C on 26 November 2015, and the lowest was 15.7 °C on 15 September 1968.
Compare Traipu with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Traipu