Rocha climate — normals and trends
Rocha (Uruguay) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 16.3 °C and it receives 1,060 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 (21.8 °C on average) and the coldest is July (10.9 °C). Rainfall peaks in August.
Rocha averages 0 frost days, 6 hot days (≥ 30 °C) and 108 rainy days per year.
Rocha has warmed by +0.4 °C between 1940 and 2025, or +0.05 °C per decade. This trend is statistically significant.
The hottest day of the period reached 36.1 °C (on 26 December 2013) and the coldest -0.4 °C (on 6 August 1955).
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
RochaRocha Department
- coords
- -34.48°, -54.33°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.3°C
Average daily high
19.8°C
Average daily low
13.1°C
Annual rainfall
1,060mm
Sunshine / day
9.5h
Mean relative humidity
79%
Average peak wind
23.2km/h
Seasonal range
10.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
108 d/yr
Annual snowfall
0.0 cm
Average feels-like high
19.4 °C
Average feels-like low
11.2 °C
Average peak gust
39.4 km/h
Tropical nights (≥ 20 °C)
23 d/yr
Solar radiation
17.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.4 °C
since 1940
+0.1 °C per decade · r² = 0.10 · p = 0.002
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
36.1 °C
26 December 2013
Coldest day
-0.4 °C
6 August 1955
Wettest day
138 mm
31 October 1970
Windiest day
72.0 km/h
24 August 2005
Strongest gust
114.5 km/h
17 January 1993
Hottest feels-like
40.0 °C
21 January 1953
Coldest feels-like
-5.5 °C
1 August 1991
Snowiest day
0.1 cm
23 June 2025
Sunniest day
14.3 h
17 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 | 25.5 °C | -0.2 °C | 45 mm | -44 mm |
| Feb | 27.4 °C | +2.1 °C | 98 mm | +3 mm |
| Mar | 25.3 °C | +1.4 °C | 50 mm | -40 mm |
| Apr | 20.1 °C | -0.8 °C | 78 mm | -12 mm |
| May | 19.2 °C | +1.4 °C | 100 mm | +20 mm |
| Jun | 14.0 °C | -0.9 °C | 64 mm | -27 mm |
| Jul | 13.6 °C | -0.6 °C | 34 mm | -52 mm |
| Aug | 15.0 °C | -0.1 °C | 78 mm | -18 mm |
| Sep | 16.7 °C | +0.5 °C | 36 mm | -59 mm |
| Oct | 20.5 °C | +1.9 °C | 82 mm | -11 mm |
| Nov | 22.0 °C | +0.7 °C | 50 mm | -37 mm |
| Dec | 26.7 °C | +2.7 °C | 64 mm | -9 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 Rocha?
Rocha has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 16.3 °C and it receives 1,060 mm of precipitation per year.
What is the hottest day ever recorded in Rocha?
The hottest day measured in Rocha between 1940 and 2025 was 26 December 2013, reaching 36.1 °C.
What is the coldest day in Rocha?
The coldest day measured in Rocha between 1940 and 2025 was 6 August 1955, at -0.4 °C.
Does it snow in Rocha?
Almost never: Rocha sees virtually no snow, with about 0 frost days per year.
Has the climate of Rocha warmed?
Yes: Rocha warmed by +0.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Rocha?
The wettest day measured in Rocha between 1940 and 2025 was 31 October 1970, with 138 mm of rain in 24 hours.
What was the windiest day in Rocha?
The windiest day measured in Rocha between 1940 and 2025 was 24 August 2005, with winds reaching 72.0 km/h.
What is the warmest month in Rocha?
The warmest month in Rocha is January (21.8 °C on average); the coldest is July (10.9 °C).
How much does it rain in Rocha?
Rocha receives on average 1,060 mm of precipitation per year, spread over about 108 rainy days.
Is it sunny in Rocha?
Rocha gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.
What is the biggest single-day snowfall in Rocha?
The heaviest 24-hour snowfall measured in Rocha between 1940 and 2025 was 23 June 2025, with 0.1 cm.
Are there tropical nights in Rocha?
Yes: Rocha has on average 23 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Rocha?
In Rocha, between 1940 and 2025, the highest apparent temperature reached 40.0 °C on 21 January 1953, and the lowest was -5.5 °C on 1 August 1991.
Compare Rocha with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Rocha