Lagoa Seca climate — normals and trends
Lagoa Seca (Brazil) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 24.2 °C and it receives 526 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 (25.3 °C on average) and the coldest is July (22.4 °C). Rainfall peaks in March.
Lagoa Seca averages 0 frost days, 136 hot days (≥ 30 °C) and 153 rainy days per year.
Lagoa Seca 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 35.1 °C (on 15 March 1998) and the coldest 14.3 °C (on 1 August 1986).
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
Lagoa SecaParaíba
- coords
- -7.17°, -35.85°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.2°C
Average daily high
29.1°C
Average daily low
20.7°C
Annual rainfall
526mm
Sunshine / day
10.5h
Mean relative humidity
77%
Average peak wind
17.0km/h
Seasonal range
2.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
136 d/yr
Rainy days (≥ 1 mm)
153 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.1 °C
Average feels-like low
23.2 °C
Average peak gust
38.4 km/h
Tropical nights (≥ 20 °C)
267 d/yr
Solar radiation
19.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.43 · 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
35.1 °C
15 March 1998
Coldest day
14.3 °C
1 August 1986
Wettest day
75 mm
1 January 2024
Windiest day
27.9 km/h
17 June 1967
Strongest gust
58.3 km/h
6 October 1947
Hottest feels-like
39.8 °C
1 March 2024
Coldest feels-like
14.9 °C
1 August 1986
Sunniest day
12.4 h
29 December 2024
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 | 31.0 °C | +0.5 °C | 64 mm | +18 mm |
| Feb | 30.0 °C | -0.4 °C | 41 mm | -14 mm |
| Mar | 30.0 °C | -0.1 °C | 75 mm | -8 mm |
| Apr | 30.8 °C | +1.4 °C | 38 mm | -39 mm |
| May | 29.1 °C | +0.8 °C | 71 mm | +15 mm |
| Jun | 27.0 °C | 0.0 °C | 61 mm | +11 mm |
| Jul | 26.3 °C | -0.1 °C | 34 mm | -10 mm |
| Aug | 26.9 °C | -0.2 °C | 53 mm | +25 mm |
| Sep | 27.8 °C | -0.6 °C | 35 mm | +12 mm |
| Oct | 29.1 °C | -0.8 °C | 22 mm | +1 mm |
| Nov | 30.8 °C | +0.2 °C | 9 mm | -10 mm |
| Dec | 30.9 °C | +0.2 °C | 18 mm | -9 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 Lagoa Seca?
Lagoa Seca has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 24.2 °C and it receives 526 mm of precipitation per year.
What is the hottest day ever recorded in Lagoa Seca?
The hottest day measured in Lagoa Seca between 1940 and 2025 was 15 March 1998, reaching 35.1 °C.
What is the coldest day in Lagoa Seca?
The coldest day measured in Lagoa Seca between 1940 and 2025 was 1 August 1986, at 14.3 °C.
Does it snow in Lagoa Seca?
Almost never: Lagoa Seca sees virtually no snow, with about 0 frost days per year.
Has the climate of Lagoa Seca warmed?
Yes: Lagoa Seca warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Lagoa Seca?
The wettest day measured in Lagoa Seca between 1940 and 2025 was 1 January 2024, with 75 mm of rain in 24 hours.
What was the windiest day in Lagoa Seca?
The windiest day measured in Lagoa Seca between 1940 and 2025 was 17 June 1967, with winds reaching 27.9 km/h.
What is the warmest month in Lagoa Seca?
The warmest month in Lagoa Seca is January (25.3 °C on average); the coldest is July (22.4 °C).
How much does it rain in Lagoa Seca?
Lagoa Seca receives on average 526 mm of precipitation per year, spread over about 153 rainy days.
Is it sunny in Lagoa Seca?
Lagoa Seca gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
Are there tropical nights in Lagoa Seca?
Yes: Lagoa Seca has on average 267 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Lagoa Seca?
In Lagoa Seca, between 1940 and 2025, the highest apparent temperature reached 39.8 °C on 1 March 2024, and the lowest was 14.9 °C on 1 August 1986.
Compare Lagoa Seca with another city
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Nearby cities
The climate around Lagoa Seca