Rivera weather in May

In May, Rivera sees average daytime highs of 20°C and overnight lows near 11°C, with 110 mm of rain across 8.3 wet days and about 10.5 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 18°C by the end. The sky is clear or mostly clear about 32% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 48 min at the start of May to 10 h 12 min by month's end. Set against the rest of the year, May is Rivera's 11th-clearest and 9th-windiest month. For the whole year in context, see Rivera's year-round climate.

Daytime high
20°
9th warmest
Overnight low
11°
5th coldest
Rainfall
110 mm
8.3 wet days
Daylight
10 h 24 min
8:25 AM – 6:52 PM
Cloud cover
60%
11th clearest
Wind
12 km/h
9th windiest
Solar energy
2.81 kWh/m²
Travel score
6.5
out of 10

Rivera is city in Uruguay.

Density
2,125/km²
people per km²
Founded
1867

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 18°C by the end.

A typical May day in Rivera reaches about 20°C in the afternoon and slips back to 11°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 25°C. Set against its neighbours, May runs about 4°C cooler than April and about 2°C warmer than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12212
22212
32212
42212
52112
62112
72112
82112
92112
102112
112111
122111
132011
142011
152011
162011
172011
182011
192011
202011
211911
221910
231910
241910
251910
261910
271910
281910
291810
301810
31189

Rivera weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 19°13410.613.85.0
Feb29° / 19°12610.413.15.4
Mar28° / 17°1079.212.26.4
Apr24° / 14°143911.37.1
May20° / 11°1108.310.56.5
Jun18° / 1248.7105.9
Jul17° / 1088.110.25.8
Aug19° / 1058.310.96.5
Sep21° / 11°1319.511.86.5
Oct23° / 13°1611112.86.7
Nov26° / 15°1188.313.67.0
Dec29° / 17°1179.6145.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 55%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
35050
44951
55050
64951
74852
84951
94852
104753
114654
124654
134654
144555
154456
164456
174357
184456
194357
204357
214357
224357
234258
244258
254357
264357
274258
284159
294258
304357
314357

Chance of precipitation in May

Any precipitation

Rivera gets around 110 mm of rain over 8.3 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 27% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
130
229
329
429
528
628
728
827
927
1026
1126
1226
1326
1426
1526
1626
1727
1827
1927
2027
2127
2226
2326
2426
2526
2626
2725
2825
2925
3025
3125

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 58% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14822209
24922209
35022208
45022208
55122207
65222197
75222197
85323186
95323186
105423185
115523175
125623174
135623174
145623174
155723173
165823163
175823163
185823163
195923153
205923153
216122143
226222133
236321133
246520123
256520123
266719113
276718114
286718114
296917104
307016104
317016104

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 48 min at the start of May to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over May. Sunrise moves from 8:15 AM to 8:35 AM, and sunset from 7:04 PM to 6:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.88:157:04
210.88:167:03
310.88:167:02
410.78:177:01
510.78:187:00
610.78:186:59
710.78:196:58
810.68:206:58
910.68:216:57
1010.68:216:56
1110.68:226:55
1210.58:236:54
1310.58:236:54
1410.58:246:53
1510.58:256:52
1610.48:256:52
1710.48:266:51
1810.48:276:50
1910.48:276:50
2010.48:286:49
2110.38:296:49
2210.38:296:48
2310.38:306:48
2410.38:316:47
2510.38:316:47
2610.28:326:46
2710.28:326:46
2810.28:336:45
2910.28:346:45
3010.28:346:45
3110.28:356:44

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.81 kWh/m².

For context, solar energy here swings from a low near 2.37 kWh/m² to a high of 7.02 kWh/m² in December across the year — May's 2.81 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.2Moderate
23.2Moderate
33.2Moderate
43.1Moderate
53.1Moderate
63.1Moderate
73.0Moderate
83.0Moderate
93.0Moderate
103.0Moderate
112.9Moderate
122.9Moderate
132.9Moderate
142.8Moderate
152.8Moderate
162.8Moderate
172.8Moderate
182.7Moderate
192.7Moderate
202.7Moderate
212.7Moderate
222.7Moderate
232.6Moderate
242.6Moderate
252.6Moderate
262.6Moderate
272.6Moderate
282.6Moderate
292.6Moderate
302.5Moderate
312.5Moderate
Planning a trip in May

Is May a good time to visit Rivera?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.5
Sightseeing
4th-best month of the year
3.5
Beach & pool
9th-best month of the year

May is a reasonable time to visit Rivera for sightseeing.

What to pack for Rivera in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Rivera sees daytime highs around 20°C and nights near 11°C. Worth packing: rain gear. About 8 days see rain.

rain gear

UV index in Rivera in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rivera peaks around January 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 18UV 13Jun 19UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar10Very high
Apr7Very high
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep7Very high
Oct7Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Rivera?

Rivera sits at 30.9°S, 55.6°W, 194 m above sea level, in Uruguay. The nearest listed city is Sant'Ana do Livramento, 2.0 km away.

Dom PedritoRosário do SulTacuarembóQuaraíArtigasSão Gabriel

Topography around Rivera

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rivera.

Within 3 km, the terrain around Rivera has only modest variations in elevation — a maximum elevation change of 88 m around an average of 207 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 239 m; within 80 km, significant variations in elevation — a maximum elevation change of 409 m.

The land around Rivera is covered by artificial surfaces (50%), trees (25%) and grassland (25%) within 3 km, grassland (57%) and trees (36%) within 16 km, and grassland (69%) within 80 km.

3 km
88 m
16 km
239 m
80 km
409 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Sant'Ana do Livramento 2.0 km · Dom Pedrito 84 km · Rosário do Sul 94 km · Tacuarembó 99 km · Quaraí 104 km · Artigas 104 km · Alegrete 127 km · São Gabriel 134 km

Uruguay travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / I / L
230 V · 50 Hz
Prices
≈ 66% of US
price level, 2025
GDP per capita
$25,216
2025
Happiness
6.6 / 10
World Happiness, 2025
Homicide rate
11.2
per 100k, 2023
Road deaths
14.8
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 542
Religion
none 47%Roman Catholic 37%Protestant 15%atheist 10%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Rivera (-30.9053°, -55.5508°, elevation 194 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).