Lagoa Vermelha climate — normals and trends
Lagoa Vermelha (Brazil) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 16.8 °C and it receives 1,845 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 (21.1 °C on average) and the coldest is July (12.1 °C). Rainfall peaks in October.
Lagoa Vermelha averages 4 frost days, 6 hot days (≥ 30 °C) and 156 rainy days per year.
Lagoa Vermelha 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 34.3 °C (on 15 November 1985) and the coldest -6.2 °C (on 25 July 2009).
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 VermelhaRio Grande do Sul
- coords
- -28.21°, -51.53°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.8°C
Average daily high
21.8°C
Average daily low
12.6°C
Annual rainfall
1,845mm
Sunshine / day
8.9h
Mean relative humidity
80%
Average peak wind
18.4km/h
Seasonal range
9.0°C
Frost days (< 0 °C)
4 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
156 d/yr
Annual snowfall
0.4 cm
Average feels-like high
22.3 °C
Average feels-like low
11.3 °C
Average peak gust
36.7 km/h
Tropical nights (≥ 20 °C)
3 d/yr
Solar radiation
16.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.22 · 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
34.3 °C
15 November 1985
Coldest day
-6.2 °C
25 July 2009
Wettest day
142 mm
11 December 1970
Windiest day
54.2 km/h
15 September 1956
Strongest gust
125.6 km/h
29 April 1992
Hottest feels-like
38.6 °C
7 February 2010
Coldest feels-like
-9.6 °C
14 July 2000
Snowiest day
12.4 cm
21 August 1965
Sunniest day
13.6 h
3 December 1941
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 | 26.7 °C | +0.6 °C | 161 mm | -31 mm |
| Feb | 28.1 °C | +2.4 °C | 141 mm | -23 mm |
| Mar | 27.0 °C | +2.3 °C | 77 mm | -69 mm |
| Apr | 21.6 °C | -0.4 °C | 100 mm | -17 mm |
| May | 19.8 °C | +1.0 °C | 143 mm | +5 mm |
| Jun | 15.0 °C | -2.1 °C | 313 mm | +175 mm |
| Jul | 16.6 °C | -0.6 °C | 76 mm | -54 mm |
| Aug | 17.5 °C | -1.3 °C | 142 mm | +4 mm |
| Sep | 19.6 °C | -0.5 °C | 207 mm | +32 mm |
| Oct | 20.8 °C | -1.1 °C | 222 mm | +23 mm |
| Nov | 24.1 °C | +0.2 °C | 148 mm | -6 mm |
| Dec | 27.0 °C | +1.4 °C | 252 mm | +96 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 Vermelha?
Lagoa Vermelha has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 16.8 °C and it receives 1,845 mm of precipitation per year.
What is the hottest day ever recorded in Lagoa Vermelha?
The hottest day measured in Lagoa Vermelha between 1940 and 2025 was 15 November 1985, reaching 34.3 °C.
What is the coldest day in Lagoa Vermelha?
The coldest day measured in Lagoa Vermelha between 1940 and 2025 was 25 July 2009, at -6.2 °C.
Does it snow in Lagoa Vermelha?
Almost never: Lagoa Vermelha sees virtually no snow, with about 4 frost days per year.
Has the climate of Lagoa Vermelha warmed?
Yes: Lagoa Vermelha warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Lagoa Vermelha?
The wettest day measured in Lagoa Vermelha between 1940 and 2025 was 11 December 1970, with 142 mm of rain in 24 hours.
What was the windiest day in Lagoa Vermelha?
The windiest day measured in Lagoa Vermelha between 1940 and 2025 was 15 September 1956, with winds reaching 54.2 km/h.
What is the warmest month in Lagoa Vermelha?
The warmest month in Lagoa Vermelha is January (21.1 °C on average); the coldest is July (12.1 °C).
How much does it rain in Lagoa Vermelha?
Lagoa Vermelha receives on average 1,845 mm of precipitation per year, spread over about 156 rainy days.
Is it sunny in Lagoa Vermelha?
Lagoa Vermelha gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.
What is the biggest single-day snowfall in Lagoa Vermelha?
The heaviest 24-hour snowfall measured in Lagoa Vermelha between 1940 and 2025 was 21 August 1965, with 12.4 cm.
Are there tropical nights in Lagoa Vermelha?
Yes: Lagoa Vermelha has on average 3 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Lagoa Vermelha?
In Lagoa Vermelha, between 1940 and 2025, the highest apparent temperature reached 38.6 °C on 7 February 2010, and the lowest was -9.6 °C on 14 July 2000.
Compare Lagoa Vermelha with another city
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Nearby cities
The climate around Lagoa Vermelha