Rivera climate — normals and trends

Rivera (Uruguay) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.0 °C and it receives 1,398 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 (24.2 °C on average) and the coldest is July (12.1 °C). Rainfall peaks in October.

Rivera averages 2 frost days, 49 hot days (≥ 30 °C) and 111 rainy days per year.

Rivera has warmed by +0.6 °C between 1940 and 2025, or +0.06 °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 39.4 °C (on 26 December 2013) and the coldest -4.7 °C (on 14 June 1967).

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

RiveraRivera Department

coords
-30.91°, -55.55°
period
19402025 · 86 yrs
CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthOctoberDriest monthNovember

Mean daily temperature

18.0°C

Average daily high

23.2°C

Average daily low

13.2°C

Annual rainfall

1,398mm

Sunshine / day

9.0h

Mean relative humidity

76%

Average peak wind

18.3km/h

Seasonal range

12.1°C

Frost days (< 0 °C)

2 d/yr

Hot days (≥ 30 °C)

49 d/yr

Rainy days (≥ 1 mm)

111 d/yr

Annual snowfall

0.0 cm

Average feels-like high

23.7 °C

Average feels-like low

12.2 °C

Average peak gust

35.1 km/h

Tropical nights (≥ 20 °C)

36 d/yr

Solar radiation

16.9 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.6 °C

since 1940

+0.1 °C per decade · r² = 0.10 · p = 0.002

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

39.4 °C

26 December 2013

Coldest day

-4.7 °C

14 June 1967

Wettest day

127 mm

12 May 2017

Windiest day

49.8 km/h

19 September 2012

Strongest gust

102.2 km/h

17 October 1982

Hottest feels-like

44.3 °C

20 January 2022

Coldest feels-like

-8.7 °C

14 June 1967

Snowiest day

1.8 cm

8 July 1960

Sunniest day

13.8 h

4 January 1940

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202538.2 °C10 February 2025-2.8 °C1 July 202517.8 °C1,522 mm774
202435.1 °C8 February 2024-2.4 °C9 July 202418.2 °C1,826 mm444
202337.9 °C12 February 20230.3 °C18 July 202318.7 °C1,579 mm670
202239.1 °C12 January 2022-0.8 °C31 May 202217.7 °C1,057 mm801
202136.3 °C31 December 2021-0.8 °C30 July 202118.0 °C1,093 mm562
202037.4 °C13 March 2020-2.0 °C21 August 202018.3 °C986 mm724
201936.9 °C27 December 2019-1.8 °C7 July 201918.5 °C1,869 mm572
201835.5 °C8 February 2018-0.5 °C26 August 201818.4 °C1,320 mm701
201736.4 °C16 December 2017-1.2 °C20 June 201718.9 °C1,668 mm593
201636.2 °C24 January 20160.3 °C9 June 201617.9 °C1,280 mm700
201533.3 °C6 January 2015-1.3 °C19 June 201518.5 °C1,827 mm462
201438.0 °C7 January 2014-0.5 °C20 June 201418.4 °C1,879 mm501
201339.4 °C26 December 2013-0.5 °C25 July 201317.7 °C1,393 mm471
201237.1 °C10 January 2012-2.1 °C8 June 201218.9 °C1,156 mm744
201137.5 °C20 December 2011-1.9 °C7 July 201118.2 °C1,263 mm706
201037.1 °C10 December 2010-0.8 °C4 August 201018.1 °C1,300 mm643
200935.8 °C10 February 2009-0.7 °C24 July 200917.9 °C1,429 mm515
200837.2 °C8 January 20080.4 °C30 May 200818.2 °C1,255 mm710
200735.7 °C2 January 2007-3.2 °C12 July 200718.0 °C1,583 mm713
200638.4 °C10 January 2006-0.4 °C5 September 200618.8 °C1,082 mm832
200537.2 °C7 January 20051.4 °C20 July 200518.6 °C1,331 mm770
200436.0 °C30 January 2004-0.7 °C11 July 200418.3 °C1,030 mm642
200337.0 °C31 January 2003-1.5 °C12 July 200317.7 °C1,425 mm461
200235.8 °C20 January 2002-1.1 °C24 June 200218.2 °C2,114 mm484
200134.5 °C5 March 20010.6 °C12 July 200118.6 °C1,724 mm490
200036.9 °C8 January 2000-1.8 °C14 July 200017.7 °C1,473 mm531
199937.6 °C27 December 19990.7 °C6 June 199918.0 °C1,251 mm720
199835.1 °C14 November 19982.2 °C25 June 199817.5 °C2,235 mm290
199737.4 °C7 January 1997-3.1 °C28 June 199718.4 °C1,471 mm552
199636.5 °C30 December 1996-3.5 °C30 June 199617.7 °C1,514 mm436
199539.0 °C17 December 1995-2.6 °C5 August 199518.0 °C1,375 mm624
199437.9 °C12 December 1994-1.1 °C23 July 199418.3 °C1,573 mm562
199334.6 °C24 January 1993-2.2 °C15 July 199317.6 °C1,611 mm334
199234.3 °C20 February 1992-1.3 °C23 July 199217.5 °C1,453 mm433
199136.3 °C23 November 1991-4.5 °C14 July 199118.1 °C1,515 mm495
199037.3 °C29 January 1990-2.4 °C22 July 199017.9 °C1,448 mm459
198937.7 °C19 February 1989-2.3 °C3 July 198918.5 °C921 mm873
198837.1 °C25 December 1988-2.8 °C11 July 198817.5 °C1,173 mm625
198737.5 °C1 December 1987-0.9 °C15 June 198718.0 °C1,511 mm602
198638.4 °C25 January 1986-1.0 °C14 May 198618.6 °C1,841 mm481
198538.9 °C15 November 1985-1.4 °C11 July 198518.5 °C1,503 mm641
198436.7 °C7 January 1984-2.0 °C29 July 198417.7 °C1,761 mm432
198336.6 °C28 December 1983-1.7 °C7 June 198317.8 °C1,511 mm615
198237.8 °C27 January 19820.7 °C16 June 198218.4 °C1,636 mm530
198134.6 °C14 December 1981-0.4 °C19 June 198118.3 °C1,275 mm541
198036.8 °C22 January 1980-2.7 °C31 July 198018.5 °C1,622 mm685
197936.2 °C4 February 1979-0.1 °C15 June 197917.6 °C1,065 mm521
197836.7 °C19 January 1978-0.1 °C1 June 197817.9 °C1,272 mm441
197735.8 °C27 December 19770.2 °C2 September 197718.5 °C1,796 mm500
197635.7 °C1 January 1976-2.9 °C10 July 197617.2 °C1,160 mm352
197537.9 °C26 January 1975-2.8 °C18 July 197517.7 °C1,221 mm503
197437.1 °C4 January 1974-1.8 °C8 August 197417.6 °C1,455 mm294
197334.7 °C2 January 19730.1 °C7 September 197317.6 °C1,562 mm370
197236.0 °C28 December 1972-1.3 °C5 August 197217.9 °C2,054 mm392
197137.7 °C30 December 1971-3.5 °C17 June 197117.5 °C1,179 mm452
197036.4 °C6 March 1970-2.0 °C2 July 197018.0 °C1,441 mm531
196935.5 °C4 February 1969-1.5 °C19 June 196917.8 °C1,188 mm352
196836.6 °C19 January 19680.6 °C6 July 196817.8 °C1,369 mm630
196735.4 °C18 December 1967-4.7 °C14 June 196717.9 °C1,760 mm323
196633.2 °C5 February 1966-0.3 °C24 July 196616.8 °C1,495 mm131
196538.0 °C18 February 1965-1.2 °C6 July 196517.8 °C1,024 mm694
196436.6 °C26 January 1964-0.8 °C24 June 196416.8 °C928 mm311
196335.7 °C2 January 1963-1.2 °C6 August 196317.7 °C1,683 mm341
196235.7 °C16 February 1962-0.2 °C24 August 196217.0 °C980 mm491
196134.8 °C9 January 1961-1.6 °C15 June 196117.8 °C1,416 mm335
196035.2 °C24 February 1960-0.9 °C9 July 196017.8 °C1,090 mm593
195932.8 °C25 January 19591.0 °C10 June 195917.3 °C2,014 mm220
195835.2 °C13 February 19580.2 °C19 June 195817.5 °C1,340 mm180
195733.3 °C11 January 1957-1.6 °C14 July 195717.4 °C1,518 mm232
195633.7 °C4 January 19560.1 °C11 June 195616.9 °C1,086 mm190
195534.4 °C17 January 1955-1.8 °C8 July 195517.0 °C1,298 mm323
195432.7 °C8 December 19541.8 °C19 July 195417.5 °C1,523 mm240
195336.0 °C5 January 1953-1.0 °C20 July 195318.2 °C1,337 mm383
195236.9 °C27 December 19522.7 °C30 June 195217.7 °C1,110 mm310
195132.4 °C2 February 19511.8 °C30 June 195117.7 °C1,348 mm180
195035.8 °C29 January 19500.5 °C31 July 195017.9 °C1,282 mm450
194936.0 °C16 December 1949-1.2 °C19 July 194917.7 °C988 mm452
194831.8 °C12 December 1948-1.1 °C9 August 194817.8 °C1,264 mm131
194733.4 °C22 January 1947-1.3 °C10 July 194717.9 °C972 mm152
194635.7 °C24 January 19460.8 °C16 August 194617.7 °C1,256 mm250
194537.1 °C15 January 1945-1.2 °C9 July 194518.6 °C986 mm435
194434.4 °C13 February 19441.3 °C27 June 194419.0 °C1,406 mm400
194338.5 °C17 January 19430.9 °C29 August 194319.4 °C777 mm690
194236.0 °C8 December 1942-0.8 °C18 June 194217.9 °C1,002 mm432
194134.7 °C16 February 19410.5 °C27 June 194118.0 °C1,392 mm280
194034.1 °C22 March 19401.4 °C27 August 194017.9 °C1,544 mm420

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
23.6 °C
+0.4 °C
Hot days (≥ 30 °C)
77 d/yr
+28
Frost days (< 0 °C)
4 d/yr
+2
Annual rainfall
1522 mm
+124 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan31.1 °C+1.4 °C67 mm-64 mm
Feb31.8 °C+3.1 °C111 mm-14 mm
Mar28.8 °C+1.8 °C70 mm-42 mm
Apr22.8 °C-0.6 °C104 mm-15 mm
May20.6 °C+0.8 °C187 mm+77 mm
Jun14.7 °C-2.4 °C129 mm+12 mm
Jul16.0 °C-0.9 °C119 mm+11 mm
Aug18.4 °C-0.1 °C117 mm+10 mm
Sep20.3 °C+0.2 °C164 mm+32 mm
Oct24.0 °C+1.2 °C71 mm-63 mm
Nov26.0 °C+0.2 °C118 mm+16 mm
Dec29.1 °C+0.4 °C266 mm+164 mm

The year's extremes

Hottest day
38.2 °C
10 Feb 2025
Coldest day
-2.8 °C
1 Jul 2025
Wettest day
94.6 mm
9 Dec 2025
Windiest day
36.2 km/h
28 May 2025
Strongest gust
73.4 km/h
19 Aug 2025
Hottest feels-like
42.7 °C
4 Mar 2025
Coldest feels-like
-6.6 °C
1 Jul 2025
Sunniest day
13.8 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 Rivera?

Rivera has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.0 °C and it receives 1,398 mm of precipitation per year.

What is the hottest day ever recorded in Rivera?

The hottest day measured in Rivera between 1940 and 2025 was 26 December 2013, reaching 39.4 °C.

What is the coldest day in Rivera?

The coldest day measured in Rivera between 1940 and 2025 was 14 June 1967, at -4.7 °C.

Does it snow in Rivera?

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

Has the climate of Rivera warmed?

Yes: Rivera warmed by +0.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Rivera?

The wettest day measured in Rivera between 1940 and 2025 was 12 May 2017, with 127 mm of rain in 24 hours.

What was the windiest day in Rivera?

The windiest day measured in Rivera between 1940 and 2025 was 19 September 2012, with winds reaching 49.8 km/h.

What is the warmest month in Rivera?

The warmest month in Rivera is January (24.2 °C on average); the coldest is July (12.1 °C).

How much does it rain in Rivera?

Rivera receives on average 1,398 mm of precipitation per year, spread over about 111 rainy days.

Is it sunny in Rivera?

Rivera gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.

What is the biggest single-day snowfall in Rivera?

The heaviest 24-hour snowfall measured in Rivera between 1940 and 2025 was 8 July 1960, with 1.8 cm.

Are there tropical nights in Rivera?

Yes: Rivera has on average 36 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Rivera?

In Rivera, between 1940 and 2025, the highest apparent temperature reached 44.3 °C on 20 January 2022, and the lowest was -8.7 °C on 14 June 1967.

Compare Rivera with another city

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Nearby cities

The climate around Rivera

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