Mercedes climate — normals and trends

Mercedes (Uruguay) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.7 °C and it receives 1,111 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 (24.8 °C on average) and the coldest is July (11.0 °C). Rainfall peaks in March.

Mercedes averages 2 frost days, 52 hot days (≥ 30 °C) and 91 rainy days per year.

No statistically significant temperature trend emerges for Mercedes between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.

The hottest day of the period reached 41.4 °C (on 14 January 2022) and the coldest -4.8 °C (on 9 July 2024).

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

MercedesSoriano

coords
-33.25°, -58.03°
period
19402025 · 86 yrs
CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthMarchDriest monthJuly

Mean daily temperature

17.7°C

Average daily high

22.8°C

Average daily low

12.9°C

Annual rainfall

1,111mm

Sunshine / day

9.4h

Mean relative humidity

73%

Average peak wind

18.4km/h

Seasonal range

13.8°C

Frost days (< 0 °C)

2 d/yr

Hot days (≥ 30 °C)

52 d/yr

Rainy days (≥ 1 mm)

91 d/yr

Annual snowfall

0.0 cm

Average feels-like high

22.9 °C

Average feels-like low

11.5 °C

Average peak gust

34.4 km/h

Tropical nights (≥ 20 °C)

40 d/yr

Solar radiation

17.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

No clear trend over this period

Over a short window, year-to-year swings outweigh the climate signal. Try 86 years.

1940Each stripe is one year, from 1940 (left) to 2025 (right). Blue = colder than the period average, red = warmer.2025

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

41.4 °C

14 January 2022

Coldest day

-4.8 °C

9 July 2024

Wettest day

127 mm

13 December 1997

Windiest day

53.6 km/h

17 October 1982

Strongest gust

104.8 km/h

17 October 1982

Hottest feels-like

44.0 °C

26 December 2013

Coldest feels-like

-8.8 °C

9 July 2024

Snowiest day

0.5 cm

8 July 1960

Sunniest day

14.0 h

3 January 1940

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202539.5 °C31 December 2025-4.1 °C2 July 202518.2 °C956 mm805
202437.3 °C7 February 2024-4.8 °C9 July 202418.1 °C1,086 mm5210
202339.2 °C11 March 2023-0.7 °C14 June 202318.7 °C953 mm774
202241.4 °C14 January 2022-0.6 °C18 June 202217.6 °C773 mm623
202137.9 °C29 December 20210.4 °C29 July 202118.1 °C917 mm720
202037.6 °C24 November 2020-1.9 °C14 July 202018.0 °C674 mm574
201936.7 °C10 December 2019-0.9 °C6 July 201917.8 °C1,311 mm441
201837.3 °C11 January 2018-0.3 °C16 June 201818.3 °C1,134 mm721
201736.7 °C15 November 20171.2 °C18 July 201718.6 °C1,343 mm540
201638.3 °C24 January 20160.7 °C21 July 201617.5 °C1,227 mm640
201533.6 °C28 December 2015-2.3 °C19 June 201518.2 °C1,043 mm483
201438.9 °C18 January 20140.8 °C19 June 201418.0 °C1,606 mm430
201340.7 °C26 December 2013-1.0 °C14 August 201317.6 °C820 mm593
201238.7 °C10 January 2012-2.2 °C30 July 201218.2 °C1,363 mm688
201137.4 °C16 January 2011-1.3 °C1 July 201117.5 °C910 mm604
201037.5 °C27 December 2010-1.9 °C16 July 201017.5 °C1,139 mm574
200936.2 °C17 January 2009-0.2 °C24 June 200917.4 °C1,334 mm483
200837.8 °C8 January 2008-0.1 °C31 May 200818.3 °C634 mm721
200735.7 °C21 December 2007-2.0 °C12 July 200717.1 °C1,298 mm465
200638.7 °C9 January 2006-1.7 °C31 July 200617.9 °C1,281 mm502
200538.7 °C7 January 20050.5 °C19 July 200517.7 °C1,021 mm570
200436.3 °C27 January 2004-1.2 °C11 July 200417.9 °C834 mm641
200338.2 °C31 January 2003-1.4 °C12 July 200317.3 °C1,280 mm422
200236.4 °C27 February 2002-1.3 °C24 June 200217.6 °C1,877 mm415
200136.3 °C5 January 2001-0.2 °C28 July 200118.1 °C1,540 mm581
200038.9 °C20 January 2000-0.6 °C23 July 200017.6 °C1,509 mm671
199940.5 °C26 December 1999-0.5 °C5 July 199917.4 °C1,012 mm521
199835.2 °C26 December 19981.6 °C2 July 199817.0 °C1,113 mm250
199736.7 °C6 January 1997-1.0 °C5 August 199718.2 °C1,276 mm613
199639.0 °C3 January 1996-2.2 °C29 June 199617.8 °C1,036 mm707
199539.1 °C18 December 1995-2.4 °C29 June 199517.2 °C858 mm606
199437.9 °C12 December 1994-1.3 °C10 July 199417.8 °C1,237 mm611
199336.0 °C23 January 1993-0.9 °C15 July 199317.2 °C1,405 mm483
199235.5 °C20 February 1992-2.2 °C17 July 199217.1 °C1,218 mm366
199134.9 °C26 February 1991-1.9 °C14 July 199117.4 °C1,251 mm366
199038.5 °C26 January 1990-2.2 °C28 July 199017.4 °C1,464 mm387
198938.2 °C2 January 1989-1.5 °C6 July 198918.1 °C866 mm703
198837.3 °C4 December 1988-1.1 °C12 July 198817.0 °C898 mm566
198737.7 °C28 January 1987-1.1 °C14 June 198717.6 °C1,019 mm553
198638.3 °C25 January 19861.2 °C14 May 198618.0 °C1,404 mm490
198537.4 °C10 January 1985-0.4 °C11 July 198517.8 °C1,166 mm671
198434.6 °C28 January 1984-1.3 °C29 July 198416.9 °C1,532 mm354
198338.3 °C23 January 1983-0.6 °C30 July 198317.3 °C1,135 mm531
198237.1 °C28 December 1982-0.1 °C16 June 198218.0 °C1,032 mm561
198135.1 °C27 February 1981-1.2 °C24 July 198117.7 °C1,281 mm481
198038.3 °C22 January 1980-2.4 °C3 July 198017.9 °C1,347 mm636
197937.4 °C4 February 1979-1.1 °C15 June 197917.4 °C771 mm541
197836.2 °C19 January 1978-0.3 °C5 June 197817.2 °C1,406 mm361
197733.8 °C8 January 19770.7 °C23 June 197717.7 °C1,277 mm450
197636.7 °C1 January 1976-2.5 °C10 July 197616.6 °C1,295 mm356
197538.0 °C18 December 1975-1.1 °C26 July 197517.3 °C1,030 mm552
197437.1 °C4 January 1974-0.8 °C23 July 197417.0 °C924 mm334
197334.2 °C2 January 1973-0.1 °C2 July 197317.1 °C1,290 mm331
197235.8 °C11 January 1972-0.3 °C13 July 197217.3 °C1,277 mm363
197137.7 °C30 December 1971-1.7 °C5 May 197116.8 °C1,223 mm372
197037.2 °C27 February 1970-0.4 °C1 July 197017.6 °C1,120 mm565
196936.9 °C17 December 1969-2.1 °C18 June 196917.7 °C857 mm572
196839.0 °C11 December 1968-0.8 °C5 July 196817.5 °C1,198 mm551
196737.4 °C27 December 1967-4.0 °C14 June 196717.5 °C1,633 mm544
196634.7 °C4 February 1966-0.6 °C5 August 196616.6 °C1,049 mm272
196538.9 °C17 February 1965-1.4 °C16 July 196517.4 °C842 mm703
196436.6 °C25 January 1964-1.8 °C24 June 196416.3 °C835 mm386
196335.9 °C1 January 1963-0.2 °C23 June 196317.1 °C1,437 mm351
196239.2 °C29 December 1962-0.7 °C25 July 196216.5 °C739 mm506
196135.5 °C1 January 1961-1.4 °C14 June 196117.2 °C980 mm416
196037.3 °C27 February 1960-0.5 °C2 August 196017.5 °C772 mm704
195935.5 °C4 February 19590.5 °C18 August 195917.0 °C1,327 mm460
195833.7 °C7 January 1958-0.3 °C28 May 195817.2 °C1,181 mm222
195740.2 °C11 January 1957-1.4 °C14 July 195717.4 °C1,051 mm343
195639.0 °C4 January 19561.5 °C11 June 195618.0 °C718 mm580
195538.4 °C5 January 1955-0.4 °C29 July 195517.4 °C844 mm581
195435.2 °C7 December 19540.2 °C19 July 195417.5 °C939 mm500
195337.5 °C11 January 1953-0.3 °C20 July 195318.0 °C972 mm411
195238.8 °C27 December 19521.0 °C30 June 195217.8 °C1,011 mm580
195133.5 °C24 January 19510.5 °C27 June 195117.9 °C1,408 mm310
195038.5 °C29 January 19500.1 °C31 July 195017.9 °C754 mm700
194937.2 °C25 February 19490.4 °C11 August 194917.5 °C926 mm590
194835.5 °C12 December 19480.9 °C9 August 194818.3 °C944 mm640
194739.3 °C1 February 1947-0.2 °C9 July 194718.3 °C808 mm621
194639.1 °C13 February 19460.9 °C24 July 194617.7 °C1,056 mm540
194536.8 °C9 January 1945-2.1 °C10 July 194518.2 °C800 mm663
194436.6 °C6 February 19441.6 °C21 May 194418.5 °C1,412 mm480
194339.0 °C21 February 19431.1 °C23 August 194318.9 °C786 mm680
194234.3 °C12 January 1942-0.6 °C18 June 194217.2 °C1,143 mm411
194136.5 °C16 February 19410.7 °C18 July 194117.7 °C967 mm470
194034.6 °C9 March 19401.6 °C3 August 194017.3 °C1,106 mm500

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

Average daily high
23.8 °C
+1.0 °C
Hot days (≥ 30 °C)
80 d/yr
+28
Frost days (< 0 °C)
5 d/yr
+3
Annual rainfall
956 mm
-155 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan32.6 °C+2.2 °C74 mm-26 mm
Feb30.5 °C+1.5 °C130 mm+24 mm
Mar27.4 °C+0.6 °C136 mm+22 mm
Apr22.5 °C-0.4 °C53 mm-52 mm
May20.5 °C+1.3 °C122 mm+39 mm
Jun14.9 °C-1.1 °C28 mm-45 mm
Jul16.2 °C+0.5 °C73 mm+2 mm
Aug18.0 °C+0.6 °C101 mm+20 mm
Sep20.2 °C+0.7 °C61 mm-30 mm
Oct24.1 °C+1.8 °C53 mm-55 mm
Nov26.2 °C+0.4 °C79 mm-12 mm
Dec32.5 °C+3.6 °C47 mm-40 mm

The year's extremes

Hottest day
39.5 °C
31 Dec 2025
Coldest day
-4.1 °C
2 Jul 2025
Wettest day
58.1 mm
19 Aug 2025
Windiest day
40.1 km/h
23 Jun 2025
Strongest gust
67.0 km/h
23 Jun 2025
Hottest feels-like
41.8 °C
16 Jan 2025
Coldest feels-like
-8.0 °C
2 Jul 2025
Sunniest day
14.0 h
2 Jan 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Mercedes?

Mercedes has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.7 °C and it receives 1,111 mm of precipitation per year.

What is the hottest day ever recorded in Mercedes?

The hottest day measured in Mercedes between 1940 and 2025 was 14 January 2022, reaching 41.4 °C.

What is the coldest day in Mercedes?

The coldest day measured in Mercedes between 1940 and 2025 was 9 July 2024, at -4.8 °C.

Does it snow in Mercedes?

Almost never: Mercedes sees virtually no snow, with about 2 frost days per year.

Has the climate of Mercedes warmed?

Between 1940 and 2025, no statistically significant temperature trend emerges in Mercedes.

What is the wettest day in Mercedes?

The wettest day measured in Mercedes between 1940 and 2025 was 13 December 1997, with 127 mm of rain in 24 hours.

What was the windiest day in Mercedes?

The windiest day measured in Mercedes between 1940 and 2025 was 17 October 1982, with winds reaching 53.6 km/h.

What is the warmest month in Mercedes?

The warmest month in Mercedes is January (24.8 °C on average); the coldest is July (11.0 °C).

How much does it rain in Mercedes?

Mercedes receives on average 1,111 mm of precipitation per year, spread over about 91 rainy days.

Is it sunny in Mercedes?

Mercedes gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.

What is the biggest single-day snowfall in Mercedes?

The heaviest 24-hour snowfall measured in Mercedes between 1940 and 2025 was 8 July 1960, with 0.5 cm.

Are there tropical nights in Mercedes?

Yes: Mercedes has on average 40 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Mercedes?

In Mercedes, between 1940 and 2025, the highest apparent temperature reached 44.0 °C on 26 December 2013, and the lowest was -8.8 °C on 9 July 2024.

Compare Mercedes with another city

Pick a second city: its normals will be set against these, indicator by indicator.

Nearby cities

The climate around Mercedes

Other cities — Uruguay