Lagoa Nova climate — normals and trends
Lagoa Nova (Brazil) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 25.5 °C and it receives 547 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 December (26.5 °C on average) and the coldest is July (24.3 °C). Rainfall peaks in March.
Lagoa Nova averages 0 frost days, 271 hot days (≥ 30 °C) and 79 rainy days per year.
Lagoa Nova 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 37.0 °C (on 15 March 1998) and the coldest 15.8 °C (on 5 August 1974).
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 NovaRio Grande do Norte
- coords
- -6.09°, -36.47°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.5°C
Average daily high
31.3°C
Average daily low
21.0°C
Annual rainfall
547mm
Sunshine / day
10.9h
Mean relative humidity
68%
Average peak wind
22.0km/h
Seasonal range
2.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
271 d/yr
Rainy days (≥ 1 mm)
79 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.6 °C
Average feels-like low
22.5 °C
Average peak gust
45.3 km/h
Tropical nights (≥ 20 °C)
293 d/yr
Solar radiation
21.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.33 · 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
37.0 °C
15 March 1998
Coldest day
15.8 °C
5 August 1974
Wettest day
138 mm
7 April 1989
Windiest day
35.5 km/h
30 September 1966
Strongest gust
68.4 km/h
28 September 1949
Hottest feels-like
39.6 °C
4 March 2008
Coldest feels-like
15.3 °C
4 September 1945
Sunniest day
12.4 h
21 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 | 32.0 °C | -0.1 °C | 86 mm | +29 mm |
| Feb | 31.5 °C | 0.0 °C | 84 mm | -9 mm |
| Mar | 31.1 °C | +0.4 °C | 100 mm | -50 mm |
| Apr | 32.2 °C | +1.9 °C | 64 mm | -61 mm |
| May | 31.0 °C | +0.7 °C | 66 mm | +12 mm |
| Jun | 29.9 °C | +0.1 °C | 28 mm | +3 mm |
| Jul | 29.8 °C | 0.0 °C | 13 mm | -3 mm |
| Aug | 30.8 °C | -0.1 °C | 8 mm | +4 mm |
| Sep | 31.6 °C | -0.4 °C | 2 mm | -0 mm |
| Oct | 32.5 °C | -0.3 °C | 1 mm | -2 mm |
| Nov | 33.3 °C | +0.4 °C | 0 mm | -4 mm |
| Dec | 32.9 °C | +0.2 °C | 3 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 Lagoa Nova?
Lagoa Nova has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 25.5 °C and it receives 547 mm of precipitation per year.
What is the hottest day ever recorded in Lagoa Nova?
The hottest day measured in Lagoa Nova between 1940 and 2025 was 15 March 1998, reaching 37.0 °C.
What is the coldest day in Lagoa Nova?
The coldest day measured in Lagoa Nova between 1940 and 2025 was 5 August 1974, at 15.8 °C.
Does it snow in Lagoa Nova?
Almost never: Lagoa Nova sees virtually no snow, with about 0 frost days per year.
Has the climate of Lagoa Nova warmed?
Yes: Lagoa Nova warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Lagoa Nova?
The wettest day measured in Lagoa Nova between 1940 and 2025 was 7 April 1989, with 138 mm of rain in 24 hours.
What was the windiest day in Lagoa Nova?
The windiest day measured in Lagoa Nova between 1940 and 2025 was 30 September 1966, with winds reaching 35.5 km/h.
What is the warmest month in Lagoa Nova?
The warmest month in Lagoa Nova is December (26.5 °C on average); the coldest is July (24.3 °C).
How much does it rain in Lagoa Nova?
Lagoa Nova receives on average 547 mm of precipitation per year, spread over about 79 rainy days.
Is it sunny in Lagoa Nova?
Lagoa Nova gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
Are there tropical nights in Lagoa Nova?
Yes: Lagoa Nova has on average 293 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Lagoa Nova?
In Lagoa Nova, between 1940 and 2025, the highest apparent temperature reached 39.6 °C on 4 March 2008, and the lowest was 15.3 °C on 4 September 1945.
Compare Lagoa Nova with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Lagoa Nova