Otacílio Costa climate — normals and trends
Otacílio Costa (Brazil) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 16.4 °C and it receives 1,855 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 (20.6 °C on average) and the coldest is July (11.7 °C). Rainfall peaks in January.
Otacílio Costa averages 4 frost days, 6 hot days (≥ 30 °C) and 186 rainy days per year.
Otacílio Costa has warmed by +0.9 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The number of frost days there went from about 3 to 5 per year over the period.
The hottest day of the period reached 34.8 °C (on 7 February 2014) and the coldest -5.9 °C (on 3 August 1991).
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
Otacílio CostaSanta Catarina
- coords
- -27.48°, -50.12°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.4°C
Average daily high
21.4°C
Average daily low
12.6°C
Annual rainfall
1,855mm
Sunshine / day
8.1h
Mean relative humidity
85%
Average peak wind
11.4km/h
Seasonal range
8.9°C
Frost days (< 0 °C)
4 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
186 d/yr
Annual snowfall
0.1 cm
Average feels-like high
22.6 °C
Average feels-like low
12.4 °C
Average peak gust
30.3 km/h
Tropical nights (≥ 20 °C)
3 d/yr
Solar radiation
15.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.27 · 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
34.8 °C
7 February 2014
Coldest day
-5.9 °C
3 August 1991
Wettest day
100 mm
16 March 1952
Windiest day
36.9 km/h
4 September 1981
Strongest gust
92.2 km/h
23 November 1951
Hottest feels-like
39.5 °C
20 December 1971
Coldest feels-like
-9.6 °C
3 August 1991
Snowiest day
2.4 cm
21 August 1965
Sunniest day
13.6 h
1 December 2021
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 | 26.2 °C | +0.4 °C | 227 mm | +6 mm |
| Feb | 28.2 °C | +2.6 °C | 196 mm | +7 mm |
| Mar | 26.3 °C | +1.8 °C | 104 mm | -49 mm |
| Apr | 21.4 °C | -0.3 °C | 98 mm | -11 mm |
| May | 19.5 °C | +0.8 °C | 119 mm | +6 mm |
| Jun | 15.3 °C | -1.6 °C | 210 mm | +93 mm |
| Jul | 16.5 °C | -0.2 °C | 52 mm | -61 mm |
| Aug | 17.0 °C | -1.3 °C | 132 mm | +4 mm |
| Sep | 19.1 °C | -0.4 °C | 196 mm | +24 mm |
| Oct | 19.9 °C | -1.3 °C | 194 mm | -6 mm |
| Nov | 23.1 °C | -0.2 °C | 201 mm | +42 mm |
| Dec | 27.2 °C | +2.2 °C | 173 mm | -5 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 Otacílio Costa?
Otacílio Costa has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 16.4 °C and it receives 1,855 mm of precipitation per year.
What is the hottest day ever recorded in Otacílio Costa?
The hottest day measured in Otacílio Costa between 1940 and 2025 was 7 February 2014, reaching 34.8 °C.
What is the coldest day in Otacílio Costa?
The coldest day measured in Otacílio Costa between 1940 and 2025 was 3 August 1991, at -5.9 °C.
Does it snow in Otacílio Costa?
Almost never: Otacílio Costa sees virtually no snow, with about 4 frost days per year.
Has the climate of Otacílio Costa warmed?
Yes: Otacílio Costa warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Otacílio Costa?
The wettest day measured in Otacílio Costa between 1940 and 2025 was 16 March 1952, with 100 mm of rain in 24 hours.
What was the windiest day in Otacílio Costa?
The windiest day measured in Otacílio Costa between 1940 and 2025 was 4 September 1981, with winds reaching 36.9 km/h.
What is the warmest month in Otacílio Costa?
The warmest month in Otacílio Costa is January (20.6 °C on average); the coldest is July (11.7 °C).
How much does it rain in Otacílio Costa?
Otacílio Costa receives on average 1,855 mm of precipitation per year, spread over about 186 rainy days.
Is it sunny in Otacílio Costa?
Otacílio Costa gets on average 8.1 hours of sunshine per day, roughly 2,957 hours per year over 1940-2025.
What is the biggest single-day snowfall in Otacílio Costa?
The heaviest 24-hour snowfall measured in Otacílio Costa between 1940 and 2025 was 21 August 1965, with 2.4 cm.
Are there tropical nights in Otacílio Costa?
Yes: Otacílio Costa has on average 3 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Otacílio Costa?
In Otacílio Costa, between 1940 and 2025, the highest apparent temperature reached 39.5 °C on 20 December 1971, and the lowest was -9.6 °C on 3 August 1991.
Compare Otacílio Costa with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Otacílio Costa