Marau climate — normals and trends
Marau (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.7 °C and it receives 1,795 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 (22.2 °C on average) and the coldest is July (12.7 °C). Rainfall peaks in October.
Marau averages 3 frost days, 18 hot days (≥ 30 °C) and 148 rainy days per year.
Marau has warmed by +0.8 °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 2 to 4 per year over the period.
The hottest day of the period reached 36.3 °C (on 16 November 1985) and the coldest -4.9 °C (on 14 July 2000).
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
MarauRio Grande do Sul
- coords
- -28.45°, -52.20°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.7°C
Average daily high
22.8°C
Average daily low
13.4°C
Annual rainfall
1,795mm
Sunshine / day
8.8h
Mean relative humidity
80%
Average peak wind
17.2km/h
Seasonal range
9.5°C
Frost days (< 0 °C)
3 d/yr
Hot days (≥ 30 °C)
18 d/yr
Rainy days (≥ 1 mm)
148 d/yr
Annual snowfall
0.1 cm
Average feels-like high
23.7 °C
Average feels-like low
12.4 °C
Average peak gust
35.1 km/h
Tropical nights (≥ 20 °C)
16 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 = 0.21 · 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
36.3 °C
16 November 1985
Coldest day
-4.9 °C
14 July 2000
Wettest day
133 mm
30 June 1986
Windiest day
53.5 km/h
15 September 1956
Strongest gust
112.3 km/h
5 June 1992
Hottest feels-like
41.2 °C
24 January 2022
Coldest feels-like
-8.8 °C
3 August 1991
Snowiest day
4.4 cm
21 August 1965
Sunniest day
13.5 h
4 December 2025
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 | 28.6 °C | +1.4 °C | 88 mm | -91 mm |
| Feb | 30.3 °C | +3.5 °C | 127 mm | -22 mm |
| Mar | 28.5 °C | +2.7 °C | 59 mm | -75 mm |
| Apr | 22.6 °C | -0.5 °C | 107 mm | -18 mm |
| May | 20.6 °C | +0.8 °C | 140 mm | -2 mm |
| Jun | 15.2 °C | -2.7 °C | 375 mm | +230 mm |
| Jul | 17.3 °C | -0.6 °C | 81 mm | -50 mm |
| Aug | 18.5 °C | -1.0 °C | 155 mm | +23 mm |
| Sep | 20.6 °C | -0.3 °C | 206 mm | +38 mm |
| Oct | 22.0 °C | -1.0 °C | 174 mm | -20 mm |
| Nov | 25.4 °C | +0.4 °C | 133 mm | -15 mm |
| Dec | 27.9 °C | +1.1 °C | 315 mm | +167 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 Marau?
Marau has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.7 °C and it receives 1,795 mm of precipitation per year.
What is the hottest day ever recorded in Marau?
The hottest day measured in Marau between 1940 and 2025 was 16 November 1985, reaching 36.3 °C.
What is the coldest day in Marau?
The coldest day measured in Marau between 1940 and 2025 was 14 July 2000, at -4.9 °C.
Does it snow in Marau?
Almost never: Marau sees virtually no snow, with about 3 frost days per year.
Has the climate of Marau warmed?
Yes: Marau warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Marau?
The wettest day measured in Marau between 1940 and 2025 was 30 June 1986, with 133 mm of rain in 24 hours.
What was the windiest day in Marau?
The windiest day measured in Marau between 1940 and 2025 was 15 September 1956, with winds reaching 53.5 km/h.
What is the warmest month in Marau?
The warmest month in Marau is January (22.2 °C on average); the coldest is July (12.7 °C).
How much does it rain in Marau?
Marau receives on average 1,795 mm of precipitation per year, spread over about 148 rainy days.
Is it sunny in Marau?
Marau gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.
What is the biggest single-day snowfall in Marau?
The heaviest 24-hour snowfall measured in Marau between 1940 and 2025 was 21 August 1965, with 4.4 cm.
Are there tropical nights in Marau?
Yes: Marau has on average 16 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Marau?
In Marau, between 1940 and 2025, the highest apparent temperature reached 41.2 °C on 24 January 2022, and the lowest was -8.8 °C on 3 August 1991.
Compare Marau with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Marau