Cachoeira do Sul weather in May

In May, Cachoeira do Sul sees average daytime highs of 22°C and overnight lows near 13°C, with 120 mm of rain across 9 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 32% 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 Cachoeira do Sul's 9th-clearest and 12th-windiest month. For the whole year in context, see Cachoeira do Sul's year-round climate.

Daytime high
22°
9th warmest
Overnight low
13°
5th coldest
Rainfall
120 mm
9 wet days
Daylight
10 h 30 min
8:13 AM – 6:43 PM
Cloud cover
61%
9th clearest
Wind
10 km/h
12th windiest
Solar energy
2.83 kWh/m²
Travel score
6.7
out of 10

Cachoeira do Sul is human settlement in Brazil.

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 23°C in the first days to 20°C by the end.

A typical May day in Cachoeira do Sul reaches about 22°C in the afternoon and slips back to 13°C overnight — a 9°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)
12414
22314
32314
42314
52314
62313
72313
82313
92313
102213
112213
122213
132213
142213
152213
162213
172213
182112
192112
202112
212112
222112
232112
242112
252012
262012
272011
282011
292011
302011
312011

How May really feels in Cachoeira 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.

Cachoeira 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
Jan31° / 20°1331313.74.3
Feb30° / 20°11611.713.14.6
Mar29° / 19°10810.112.25.6
Apr26° / 16°1259.311.36.8
May22° / 13°120910.56.7
Jun19° / 10°1339.810.16.1
Jul19° / 14610.410.36.1
Aug21° / 11°1211010.96.6
Sep22° / 12°15310.711.86.5
Oct25° / 15°1901212.76.4
Nov28° / 17°12610.113.56.2
Dec30° / 19°13211.313.94.9

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 12% of May, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34654
44654
54654
64555
74456
84456
94456
104456
114456
124357
134456
144456
154456
164357
174357
184456
194456
204456
214555
224555
234555
244357
254357
264357
274357
284357
294357
304258
314258

Chance of precipitation in May

Any precipitation

Cachoeira do Sul gets around 120 mm of rain over 9 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 29% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
329
428
528
628
728
828
928
1028
1128
1228
1328
1428
1528
1629
1729
1829
1929
2029
2129
2230
2330
2430
2530
2630
2730
2830
2930
3030
3130

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 42% 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 (%)
1332527141
2342527141
3342526131
4352626121
5352725121
6352825111
7352925111
8363024100
936302490
1036312490
1137312480
1237312480
1338312370
1438312370
1539312360
1639312360
1740312360
1841302350
1942302250
2044292250
2145292140
2246282140
2348282040
2449272040
2551261940
2652261840
2753261740
2854251740
2955251640
3056251540
3157241540

Wind in May

Winds average 10 km/h in May, the calmest month.

Across May, daily wind ranges from about 10 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
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
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 8:03 AM to 8:22 AM, and sunset from 6:54 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.98:036:54
210.88:046:53
310.88:046:53
410.88:056:52
510.78:066:51
610.78:066:50
710.78:076:49
810.78:086:48
910.78:086:48
1010.68:096:47
1110.68:106:46
1210.68:106:45
1310.68:116:45
1410.58:126:44
1510.58:126:43
1610.58:136:43
1710.58:146:42
1810.58:146:41
1910.48:156:41
2010.48:166:40
2110.48:166:40
2210.48:176:39
2310.48:176:39
2410.38:186:38
2510.38:196:38
2610.38:196:37
2710.38:206:37
2810.38:206:37
2910.38:216:36
3010.28:226:36
3110.28:226:36

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.83 kWh/m².

For context, solar energy here swings from a low near 2.39 kWh/m² to a high of 6.65 kWh/m² in December across the year — May's 2.83 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.2Moderate
23.2Moderate
33.2Moderate
43.2Moderate
53.1Moderate
63.1Moderate
73.1Moderate
83.0Moderate
93.0Moderate
103.0Moderate
112.9Moderate
122.9Moderate
132.9Moderate
142.9Moderate
152.8Moderate
162.8Moderate
172.8Moderate
182.8Moderate
192.8Moderate
202.7Moderate
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 Cachoeira do Sul?

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

6.7
Sightseeing
2nd-best month of the year
4.5
Beach & pool
9th-best month of the year

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

What to pack for Cachoeira do Sul in May

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

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

rain gear

UV index in Cachoeira 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 Cachoeira do Sul peaks around January 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 16UV 13Jun 18UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar10Extreme
Apr8Very high
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct6High
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Cachoeira do Sul?

Cachoeira do Sul sits at 30.0°S, 52.9°W, 77 m above sea level, in Brazil. The nearest listed city is Candelária, 42 km away.

Topography around Cachoeira do Sul

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

Within 3 km, the terrain around Cachoeira do Sul has only modest variations in elevation — a maximum elevation change of 110 m around an average of 59 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 145 m; within 80 km, large variations in elevation — a maximum elevation change of 661 m.

The land around Cachoeira do Sul is covered by trees (35%) and artificial surfaces (33%) within 3 km, cropland (48%) and grassland (28%) within 16 km, and trees (39%), cropland (36%) and grassland (23%) within 80 km.

3 km
110 m
16 km
145 m
80 km
661 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Candelária 42 km · Rio Pardo 50 km · Vera Cruz 52 km · Agudo 55 km · Santa Cruz do Sul 58 km · São Sepé 66 km · Encruzilhada do Sul 67 km · Caçapava do Sul 78 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 Cachoeira do Sul (-30.0392°, -52.8939°, elevation 77 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).