Salto weather in May

In May, Salto sees average daytime highs of 20°C and overnight lows near 12°C, with 104 mm of rain across 7.3 wet days and about 10.4 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 19°C by the end. The sky is clear or mostly clear about 35% 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 06 min by month's end. Set against the rest of the year, May is Salto's 12th-clearest and 11th-windiest month. For the whole year in context, see Salto's year-round climate.

Daytime high
20°
9th warmest
Overnight low
12°
5th coldest
Rainfall
104 mm
7.3 wet days
Daylight
10 h 24 min
8:36 AM – 7:00 PM
Cloud cover
57%
12th clearest
Wind
12 km/h
11th windiest
Solar energy
2.84 kWh/m²
Travel score
6.8
out of 10

Salto is city in Uruguay.

Density
3,080/km²
people per km²
Founded
1756

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 19°C by the end.

A typical May day in Salto reaches about 20°C in the afternoon and slips back to 12°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 25°C. Set against its neighbours, May runs about 4°C cooler than April and about 3°C warmer than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12213
22213
32213
42213
52213
62212
72212
82212
92112
102112
112112
122112
132112
142112
152112
162112
172012
182011
192011
202011
212011
222011
232011
241911
251911
261910
271910
281910
291910
301910
311910

Salto weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 20°1128.513.84.7
Feb30° / 20°1058.613.15.2
Mar28° / 18°1167.912.26.5
Apr24° / 15°1488.311.37.3
May20° / 12°1047.310.46.8
Jun18° / 897.4106.2
Jul17° / 766.410.26.1
Aug20° / 907.110.96.9
Sep22° / 11°917.511.87.0
Oct24° / 14°1399.312.87.1
Nov27° / 16°1127.213.66.9
Dec30° / 19°1158.2145.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35347
45248
55248
65248
75149
85149
95050
104951
114852
124852
134753
144753
154654
164654
174654
184654
194555
204555
214555
224654
234753
244753
254753
264753
274852
284852
294852
304951
315050

Chance of precipitation in May

Any precipitation

Salto gets around 104 mm of rain over 7.3 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 23% and peaks near 25% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
325
425
524
624
724
824
923
1023
1123
1223
1323
1423
1523
1623
1723
1823
1923
2023
2123
2223
2323
2422
2522
2622
2722
2822
2922
3022
3122

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. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1482219111
2492218111
3502118111
4512117101
5512117101
6522116101
752221691
852221691
954221680
1054221680
1155221670
1255221670
1355221760
1456211760
1556211760
1657201850
1757201850
1858191850
1959181850
2060181840
2161171840
2263161740
2363151741
2464151641
2566141541
2667141441
2768141341
2869131251
2970131151
3071131051
3171131051

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
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
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 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over May. Sunrise moves from 8:25 AM to 8:45 AM, and sunset from 7:13 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.88:257:13
210.88:267:12
310.78:277:11
410.78:277:10
510.78:287:09
610.78:297:08
710.68:307:07
810.68:307:06
910.68:317:06
1010.68:327:05
1110.58:327:04
1210.58:337:03
1310.58:347:02
1410.58:347:02
1510.48:357:01
1610.48:367:00
1710.48:377:00
1810.48:376:59
1910.38:386:58
2010.38:396:58
2110.38:396:57
2210.38:406:57
2310.38:416:56
2410.28:416:56
2510.28:426:55
2610.28:426:55
2710.28:436:54
2810.28:446:54
2910.28:446:54
3010.18:456:53
3110.18:456:53

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.84 kWh/m².

For context, solar energy here swings from a low near 2.4 kWh/m² to a high of 7.21 kWh/m² in December across the year — May's 2.84 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.3Moderate
23.2Moderate
33.2Moderate
43.2Moderate
53.1Moderate
63.1Moderate
73.1Moderate
83.1Moderate
93.0Moderate
103.0Moderate
113.0Moderate
122.9Moderate
132.9Moderate
142.9Moderate
152.8Moderate
162.8Moderate
172.8Moderate
182.8Moderate
192.7Moderate
202.7Moderate
212.7Moderate
222.7Moderate
232.7Moderate
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 Salto?

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

6.8
Sightseeing
6th-best month of the year
3.8
Beach & pool
9th-best month of the year

May is a reasonable time to visit Salto for sightseeing.

What to pack for Salto in May

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

In May, Salto sees daytime highs around 20°C and nights near 12°C. Little to plan around — just the basics. About 7 days see rain.

UV index in Salto 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 Salto 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
Feb13Extreme
Mar10Extreme
Apr7High
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep7High
Oct7Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Salto?

Salto sits at 31.4°S, 58.0°W, 52 m above sea level, in Uruguay. The nearest listed city is Concordia, 5.0 km away.

ChajaríFederalColónPaysandúConcepción del UruguayMonte Caseros

Topography around Salto

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

Within 3 km, the terrain around Salto has only modest variations in elevation — a maximum elevation change of 57 m around an average of 33 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 81 m; within 80 km, only modest variations in elevation — a maximum elevation change of 193 m.

The land around Salto is covered by artificial surfaces (48%) and grassland (27%) within 3 km, grassland (55%) and trees (27%) within 16 km, and grassland (62%) within 80 km.

3 km
57 m
16 km
81 m
80 km
193 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Concordia 5.0 km · Chajarí 70 km · Federal 92 km · Colón 94 km · Paysandú 104 km · Villaguay 114 km · Concepción del Uruguay 125 km · Monte Caseros 130 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 Salto (-31.3881°, -57.9598°, elevation 52 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).