Porto Seguro climate — normals and trends
Porto Seguro (Brazil) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 24.6 °C and it receives 1,134 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 (26.2 °C on average) and the coldest is July (22.7 °C). Rainfall peaks in November.
Porto Seguro averages 0 frost days, 1 hot days (≥ 30 °C) and 209 rainy days per year.
Porto Seguro has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The hottest day of the period reached 31.1 °C (on 11 March 2024) and the coldest 18.1 °C (on 8 August 1955).
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
Porto SeguroEstado de Bahia
- coords
- -16.45°, -39.06°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.6°C
Average daily high
26.1°C
Average daily low
23.1°C
Annual rainfall
1,134mm
Sunshine / day
10.7h
Mean relative humidity
83%
Average peak wind
17.7km/h
Seasonal range
3.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
209 d/yr
Annual snowfall
0.0 cm
Average feels-like high
29.9 °C
Average feels-like low
25.7 °C
Average peak gust
31.5 km/h
Tropical nights (≥ 20 °C)
359 d/yr
Solar radiation
18.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.59 · 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
31.1 °C
11 March 2024
Coldest day
18.1 °C
8 August 1955
Wettest day
151 mm
28 October 1986
Windiest day
40.3 km/h
8 July 2005
Strongest gust
68.4 km/h
8 July 2005
Hottest feels-like
39.0 °C
10 March 1973
Coldest feels-like
16.5 °C
26 August 2020
Sunniest day
13.0 h
8 December 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 | 28.2 °C | +0.6 °C | 152 mm | +76 mm |
| Feb | 27.9 °C | +0.1 °C | 62 mm | -11 mm |
| Mar | 28.1 °C | +0.4 °C | 54 mm | -62 mm |
| Apr | 27.7 °C | +0.8 °C | 227 mm | +99 mm |
| May | 26.0 °C | +0.2 °C | 171 mm | +68 mm |
| Jun | 25.5 °C | +0.7 °C | 79 mm | -0 mm |
| Jul | 24.2 °C | +0.1 °C | 77 mm | +3 mm |
| Aug | 24.4 °C | +0.2 °C | 78 mm | +21 mm |
| Sep | 24.9 °C | 0.0 °C | 49 mm | -6 mm |
| Oct | 25.4 °C | -0.4 °C | 115 mm | +14 mm |
| Nov | 26.3 °C | -0.1 °C | 112 mm | -39 mm |
| Dec | 27.3 °C | +0.2 °C | 124 mm | +2 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 Porto Seguro?
Porto Seguro has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 24.6 °C and it receives 1,134 mm of precipitation per year.
What is the hottest day ever recorded in Porto Seguro?
The hottest day measured in Porto Seguro between 1940 and 2025 was 11 March 2024, reaching 31.1 °C.
What is the coldest day in Porto Seguro?
The coldest day measured in Porto Seguro between 1940 and 2025 was 8 August 1955, at 18.1 °C.
Does it snow in Porto Seguro?
Almost never: Porto Seguro sees virtually no snow, with about 0 frost days per year.
Has the climate of Porto Seguro warmed?
Yes: Porto Seguro warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Porto Seguro?
The wettest day measured in Porto Seguro between 1940 and 2025 was 28 October 1986, with 151 mm of rain in 24 hours.
What was the windiest day in Porto Seguro?
The windiest day measured in Porto Seguro between 1940 and 2025 was 8 July 2005, with winds reaching 40.3 km/h.
What is the warmest month in Porto Seguro?
The warmest month in Porto Seguro is February (26.2 °C on average); the coldest is July (22.7 °C).
How much does it rain in Porto Seguro?
Porto Seguro receives on average 1,134 mm of precipitation per year, spread over about 209 rainy days.
Is it sunny in Porto Seguro?
Porto Seguro gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.
Are there tropical nights in Porto Seguro?
Yes: Porto Seguro has on average 359 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Porto Seguro?
In Porto Seguro, between 1940 and 2025, the highest apparent temperature reached 39.0 °C on 10 March 1973, and the lowest was 16.5 °C on 26 August 2020.
Compare Porto Seguro with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Porto Seguro