Marechal Deodoro climate — normals and trends
Marechal Deodoro (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.2 °C and it receives 946 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 (26.6 °C on average) and the coldest is July (23.3 °C). Rainfall peaks in June.
Marechal Deodoro averages 0 frost days, 104 hot days (≥ 30 °C) and 233 rainy days per year.
Marechal Deodoro 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 35.6 °C (on 15 January 1962) and the coldest 17.2 °C (on 10 August 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
Marechal DeodoroAlagoas
- coords
- -9.71°, -35.90°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.2°C
Average daily high
28.7°C
Average daily low
22.5°C
Annual rainfall
946mm
Sunshine / day
11.2h
Mean relative humidity
80%
Average peak wind
16.6km/h
Seasonal range
3.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
104 d/yr
Rainy days (≥ 1 mm)
233 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.3 °C
Average feels-like low
25.8 °C
Average peak gust
37.5 km/h
Tropical nights (≥ 20 °C)
350 d/yr
Solar radiation
19.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.68 · 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
35.6 °C
15 January 1962
Coldest day
17.2 °C
10 August 1968
Wettest day
139 mm
28 April 1996
Windiest day
29.1 km/h
27 January 1960
Strongest gust
60.8 km/h
27 January 1960
Hottest feels-like
42.8 °C
22 March 2020
Coldest feels-like
18.5 °C
15 September 1968
Sunniest day
12.6 h
2 January 1940
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 | 31.2 °C | +0.9 °C | 71 mm | +18 mm |
| Feb | 30.6 °C | +0.2 °C | 64 mm | +4 mm |
| Mar | 31.0 °C | +0.7 °C | 50 mm | -37 mm |
| Apr | 31.4 °C | +1.9 °C | 35 mm | -71 mm |
| May | 28.9 °C | +0.7 °C | 199 mm | +75 mm |
| Jun | 26.8 °C | -0.1 °C | 226 mm | +96 mm |
| Jul | 26.6 °C | +0.3 °C | 100 mm | -24 mm |
| Aug | 26.7 °C | +0.3 °C | 142 mm | +54 mm |
| Sep | 27.2 °C | -0.1 °C | 93 mm | +31 mm |
| Oct | 28.6 °C | -0.1 °C | 46 mm | +2 mm |
| Nov | 30.5 °C | +0.7 °C | 16 mm | -18 mm |
| Dec | 30.8 °C | +0.7 °C | 22 mm | -14 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 Marechal Deodoro?
Marechal Deodoro has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.2 °C and it receives 946 mm of precipitation per year.
What is the hottest day ever recorded in Marechal Deodoro?
The hottest day measured in Marechal Deodoro between 1940 and 2025 was 15 January 1962, reaching 35.6 °C.
What is the coldest day in Marechal Deodoro?
The coldest day measured in Marechal Deodoro between 1940 and 2025 was 10 August 1968, at 17.2 °C.
Does it snow in Marechal Deodoro?
Almost never: Marechal Deodoro sees virtually no snow, with about 0 frost days per year.
Has the climate of Marechal Deodoro warmed?
Yes: Marechal Deodoro warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Marechal Deodoro?
The wettest day measured in Marechal Deodoro between 1940 and 2025 was 28 April 1996, with 139 mm of rain in 24 hours.
What was the windiest day in Marechal Deodoro?
The windiest day measured in Marechal Deodoro between 1940 and 2025 was 27 January 1960, with winds reaching 29.1 km/h.
What is the warmest month in Marechal Deodoro?
The warmest month in Marechal Deodoro is February (26.6 °C on average); the coldest is July (23.3 °C).
How much does it rain in Marechal Deodoro?
Marechal Deodoro receives on average 946 mm of precipitation per year, spread over about 233 rainy days.
Is it sunny in Marechal Deodoro?
Marechal Deodoro gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.
Are there tropical nights in Marechal Deodoro?
Yes: Marechal Deodoro has on average 350 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Marechal Deodoro?
In Marechal Deodoro, between 1940 and 2025, the highest apparent temperature reached 42.8 °C on 22 March 2020, and the lowest was 18.5 °C on 15 September 1968.
Compare Marechal Deodoro with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Marechal Deodoro