Eldorado do Sul weather in May

In May, Eldorado do Sul sees average daytime highs of 22°C and overnight lows near 13°C, with 107 mm of rain across 8.5 wet days and about 10.5 hours of daylight. It is the 9th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 20°C by the end. The sky is clear or mostly clear about 29% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of May to 10 h 12 min by month's end. Set against the rest of the year, May is Eldorado do Sul's 9th-clearest and 11th-windiest month. For the whole year in context, see Eldorado do Sul's year-round climate.

Daytime high
22°
9th warmest
Overnight low
13°
5th coldest
Rainfall
107 mm
8.5 wet days
Daylight
10 h 30 min
8:08 AM – 6:37 PM
Cloud cover
60%
9th clearest
Wind
10 km/h
11th windiest
Solar energy
2.85 kWh/m²
Travel score
6.8
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 20°C by the end.

A typical May day in Eldorado do Sul reaches about 22°C in the afternoon and slips back to 13°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 27°C. Set against its neighbours, May runs about 4°C cooler than April and about 2°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12415
22315
32315
42315
52315
62314
72314
82314
92314
102214
112214
122214
132214
142214
152214
162214
172213
182113
192113
202113
212113
222113
232113
242113
252113
262112
272012
282012
292012
302012
312012

How May really feels in Eldorado do Sul

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Eldorado do Sul weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°12713.113.74.6
Feb30° / 21°11612.513.14.7
Mar28° / 20°10411.312.25.7
Apr26° / 17°1049.111.36.9
May22° / 13°1078.510.56.8
Jun19° / 11°1159.210.16.2
Jul19° / 10°1409.810.36.1
Aug21° / 11°1179.810.96.6
Sep22° / 13°14511.111.86.4
Oct24° / 16°16512.112.76.4
Nov27° / 17°11910.113.56.5
Dec29° / 20°11511.613.95.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24852
34951
44852
54852
64852
74852
84753
94753
104654
114654
124654
134654
144753
154753
164753
174654
184654
194753
204753
214654
224654
234555
244555
254555
264555
274456
284456
294456
304357
314357

Chance of precipitation in May

Any precipitation

Eldorado do Sul gets around 107 mm of rain over 8.5 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 28% and peaks near 28% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
228
328
428
528
628
728
828
928
1028
1128
1228
1328
1428
1528
1628
1728
1828
1927
2027
2127
2227
2327
2427
2527
2627
2727
2827
2928
3028
3128

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 37% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1272332162
2282432151
3282432151
4292531141
5292631131
6292630131
7302730121
8302830110
9312930100
10312929100
1132302990
1232302980
1333312880
1433312880
1534312870
1635312770
1735312770
1836312660
1937312660
2039302560
2140302450
2242302450
2343292350
2444292250
2546292150
2647292040
2748281940
2849281840
2950281840
3052271740
3152271740

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 54 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 42 minutes over May. Sunrise moves from 7:58 AM to 8:17 AM, and sunset from 6:49 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:586:49
210.87:596:48
310.87:596:47
410.88:006:46
510.78:016:46
610.78:016:45
710.78:026:44
810.78:036:43
910.68:036:42
1010.68:046:42
1110.68:056:41
1210.68:056:40
1310.68:066:39
1410.58:076:39
1510.58:076:38
1610.58:086:37
1710.58:096:37
1810.48:096:36
1910.48:106:36
2010.48:116:35
2110.48:116:35
2210.48:126:34
2310.48:126:34
2410.38:136:33
2510.38:146:33
2610.38:146:32
2710.38:156:32
2810.38:156:31
2910.38:166:31
3010.28:176:31
3110.28:176:31

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.85 kWh/m².

For context, solar energy here swings from a low near 2.38 kWh/m² to a high of 6.56 kWh/m² in December across the year — May's 2.85 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
83.0Moderate
93.0Moderate
103.0Moderate
113.0Moderate
122.9Moderate
132.9Moderate
142.9Moderate
152.9Moderate
162.8Moderate
172.8Moderate
182.8Moderate
192.8Moderate
202.8Moderate
212.7Moderate
222.7Moderate
232.7Moderate
242.7Moderate
252.6Moderate
262.6Moderate
272.6Moderate
282.6Moderate
292.6Moderate
302.6Moderate
312.5Moderate
Planning a trip in May

Is May a good time to visit Eldorado do Sul?

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

6.8
Sightseeing
2nd-best month of the year
4.6
Beach & pool
8th-best month of the year

May is a reasonable time to visit Eldorado do Sul for sightseeing.

What to pack for Eldorado do Sul in May

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

In May, Eldorado do Sul sees daytime highs around 22°C and nights near 13°C. Worth packing: rain gear. About 9 days see rain.

rain gear

Sea temperature near Eldorado do Sul in May

The nearest coast averages about 19°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 57 km away) is warmest in February at about 26°C and coldest in July near 15°C.

It's comfortable for a long swim from Oct 23 to May 10 — about 6.6 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar25Warm
Apr23Refreshing
May19Cool
Jun17Cool
Jul15Cool
Aug16Cool
Sep17Cool
Oct20Cool
Nov22Refreshing
Dec24Warm

UV index in Eldorado do Sul 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 Eldorado do Sul peaks around January 15 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 highModerateVery highExtremeJan 15UV 13Jun 19UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar9Very high
Apr7Very high
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct7Very high
Nov11Extreme
Dec12Extreme

Air quality in Eldorado do Sul in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Eldorado do Sul is worst in August — around 20 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1720 µg/m³Dec 1811 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb11Good
Mar12Good
Apr15Moderate
May17Moderate
Jun17Moderate
Jul19Moderate
Aug20Moderate
Sep19Moderate
Oct13Moderate
Nov12Good
Dec10Good
Location & terrain

Where is Eldorado do Sul?

Eldorado do Sul sits at 30.1°S, 51.6°W, 30 m above sea level, in Brazil. The nearest listed city is Charqueadas, 14 km away.

Topography around Eldorado do Sul

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

Within 3 km, the terrain around Eldorado do Sul has only modest variations in elevation — a maximum elevation change of 88 m around an average of 33 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 287 m; within 80 km, large variations in elevation — a maximum elevation change of 720 m.

The land around Eldorado do Sul is covered by cropland (36%), trees (30%) and grassland (29%) within 3 km, trees (45%), grassland (27%) and cropland (23%) within 16 km, and trees (48%) and grassland (20%) within 80 km.

3 km
88 m
16 km
287 m
80 km
720 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Charqueadas 14 km · São Jerônimo 17 km · Triunfo 18 km · Guaíba 28 km · Butiá 34 km · Porto Alegre 38 km · Taquari 40 km · Nova Santa Rita 42 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

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 Eldorado do Sul (-30.0839°, -51.6161°, elevation 30 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).