Três Barras climate — normals and trends
Três Barras (Brazil) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 17.7 °C and it receives 1,557 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 (21.4 °C on average) and the coldest is July (13.3 °C). Rainfall peaks in January.
Três Barras averages 2 frost days, 12 hot days (≥ 30 °C) and 159 rainy days per year.
Três Barras has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The number of frost days there went from about 1 to 3 per year over the period.
The hottest day of the period reached 34.6 °C (on 16 November 1985) and the coldest -6.1 °C (on 18 July 1975).
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
Três BarrasSanta Catarina
- coords
- -26.11°, -50.32°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.7°C
Average daily high
22.9°C
Average daily low
13.7°C
Annual rainfall
1,557mm
Sunshine / day
8.2h
Mean relative humidity
82%
Average peak wind
14.2km/h
Seasonal range
8.1°C
Frost days (< 0 °C)
2 d/yr
Hot days (≥ 30 °C)
12 d/yr
Rainy days (≥ 1 mm)
159 d/yr
Annual snowfall
0.0 cm
Average feels-like high
24.0 °C
Average feels-like low
13.4 °C
Average peak gust
31.5 km/h
Tropical nights (≥ 20 °C)
6 d/yr
Solar radiation
15.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.37 · 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
34.6 °C
16 November 1985
Coldest day
-6.1 °C
18 July 1975
Wettest day
110 mm
13 May 2004
Windiest day
46.1 km/h
15 September 1956
Strongest gust
101.2 km/h
7 July 1983
Hottest feels-like
39.0 °C
5 February 2010
Coldest feels-like
-10.2 °C
18 July 1975
Snowiest day
1.6 cm
23 July 2013
Sunniest day
13.6 h
6 December 1945
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 | 27.0 °C | +0.5 °C | 155 mm | -37 mm |
| Feb | 28.6 °C | +2.3 °C | 150 mm | -15 mm |
| Mar | 28.0 °C | +2.6 °C | 70 mm | -54 mm |
| Apr | 23.4 °C | +0.4 °C | 47 mm | -39 mm |
| May | 21.8 °C | +1.6 °C | 58 mm | -46 mm |
| Jun | 18.1 °C | -0.6 °C | 177 mm | +78 mm |
| Jul | 18.0 °C | -0.7 °C | 36 mm | -53 mm |
| Aug | 19.7 °C | -0.8 °C | 95 mm | -3 mm |
| Sep | 22.1 °C | +0.4 °C | 107 mm | -33 mm |
| Oct | 21.5 °C | -1.4 °C | 188 mm | +18 mm |
| Nov | 24.7 °C | +0.1 °C | 176 mm | +40 mm |
| Dec | 27.8 °C | +2.0 °C | 161 mm | +4 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 Três Barras?
Três Barras has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 17.7 °C and it receives 1,557 mm of precipitation per year.
What is the hottest day ever recorded in Três Barras?
The hottest day measured in Três Barras between 1940 and 2025 was 16 November 1985, reaching 34.6 °C.
What is the coldest day in Três Barras?
The coldest day measured in Três Barras between 1940 and 2025 was 18 July 1975, at -6.1 °C.
Does it snow in Três Barras?
Almost never: Três Barras sees virtually no snow, with about 2 frost days per year.
Has the climate of Três Barras warmed?
Yes: Três Barras warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Três Barras?
The wettest day measured in Três Barras between 1940 and 2025 was 13 May 2004, with 110 mm of rain in 24 hours.
What was the windiest day in Três Barras?
The windiest day measured in Três Barras between 1940 and 2025 was 15 September 1956, with winds reaching 46.1 km/h.
What is the warmest month in Três Barras?
The warmest month in Três Barras is January (21.4 °C on average); the coldest is July (13.3 °C).
How much does it rain in Três Barras?
Três Barras receives on average 1,557 mm of precipitation per year, spread over about 159 rainy days.
Is it sunny in Três Barras?
Três Barras gets on average 8.2 hours of sunshine per day, roughly 2,993 hours per year over 1940-2025.
What is the biggest single-day snowfall in Três Barras?
The heaviest 24-hour snowfall measured in Três Barras between 1940 and 2025 was 23 July 2013, with 1.6 cm.
Are there tropical nights in Três Barras?
Yes: Três Barras has on average 6 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Três Barras?
In Três Barras, between 1940 and 2025, the highest apparent temperature reached 39.0 °C on 5 February 2010, and the lowest was -10.2 °C on 18 July 1975.
Compare Três Barras with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Três Barras