Santo Ângelo weather in May

In May, Santo Ângelo sees average daytime highs of 22°C and overnight lows near 13°C, with 151 mm of rain across 9.3 wet days and about 10.6 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 21°C by the end. The sky is clear or mostly clear about 38% 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 24 min by month's end. Set against the rest of the year, May is Santo Ângelo's 10th-clearest and 8th-windiest month. For the whole year in context, see Santo Ângelo's year-round climate.

Daytime high
22°
9th warmest
Overnight low
13°
4th coldest
Rainfall
151 mm
9.3 wet days
Daylight
10 h 36 min
8:15 AM – 6:51 PM
Cloud cover
56%
10th clearest
Wind
11 km/h
8th windiest
Solar energy
3.07 kWh/m²
Travel score
6.9
out of 10

Santo Ângelo 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 24°C in the first days to 21°C by the end.

A typical May day in Santo Ângelo 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 28°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
22414
32414
42414
52414
62414
72414
82314
92314
102314
112313
122313
132313
142313
152213
162213
172213
182213
192213
202213
212212
222212
232112
242112
252112
262112
272112
282112
292112
302112
312112

How May really feels in Santo Ângelo

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.

Santo Ângelo 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
Jan31° / 20°16714.313.64.3
Feb30° / 20°15714134.5
Mar29° / 19°13511.612.25.4
Apr26° / 16°16910.111.36.7
May22° / 13°1519.310.66.9
Jun20° / 12°1439.810.26.4
Jul20° / 10°1579.710.46.5
Aug22° / 12°1048.6117.1
Sep24° / 14°15910.611.86.9
Oct26° / 16°23613.512.76.1
Nov29° / 17°1621113.45.6
Dec30° / 19°17912.813.84.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% 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 50%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35149
45248
55248
65149
75149
85050
95050
105050
115050
125149
135149
145149
155050
165050
175050
185050
194951
204951
215050
225050
234951
244852
254852
264852
274852
284852
294852
304852
314852

Chance of precipitation in May

Any precipitation

Santo Ângelo gets around 151 mm of rain over 9.3 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 30% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
131
230
330
430
530
629
729
829
929
1029
1129
1229
1329
1430
1530
1630
1730
1830
1931
2031
2131
2231
2331
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 46% 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 (%)
1322625161
2332625151
3342625141
4362625131
5372625121
6382625111
7392624110
8392624100
940262490
1041262390
1142272380
1243272380
1343272370
1444272270
1545272270
1645272260
1746272160
1847272160
1948272060
2048262050
2150261950
2250261950
2352251850
2453251840
2554241840
2654241840
2755231840
2855231840
2956231830
3057221830
3157221830

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 11 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
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 54 min at the start of May to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over May. Sunrise moves from 8:06 AM to 8:24 AM, and sunset from 7:02 PM to 6:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.98:067:02
210.98:077:01
310.98:077:01
410.98:087:00
510.88:096:59
610.88:096:58
710.88:106:57
810.88:116:57
910.78:116:56
1010.78:126:55
1110.78:126:54
1210.78:136:54
1310.78:146:53
1410.68:146:52
1510.68:156:52
1610.68:156:51
1710.68:166:51
1810.68:176:50
1910.58:176:50
2010.58:186:49
2110.58:186:49
2210.58:196:48
2310.58:206:48
2410.58:206:47
2510.48:216:47
2610.48:216:46
2710.48:226:46
2810.48:226:46
2910.48:236:45
3010.48:236:45
3110.48:246:45

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.07 kWh/m².

For context, solar energy here swings from a low near 2.58 kWh/m² to a high of 6.65 kWh/m² in December across the year — May's 3.07 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.5Moderate
43.5Moderate
53.4Moderate
63.4Moderate
73.4Moderate
83.3Moderate
93.3Moderate
103.2Moderate
113.2Moderate
123.2Moderate
133.1Moderate
143.1Moderate
153.1Moderate
163.0Moderate
173.0Moderate
183.0Moderate
193.0Moderate
202.9Moderate
212.9Moderate
222.9Moderate
232.9Moderate
242.9Moderate
252.8Moderate
262.8Moderate
272.8Moderate
282.8Moderate
292.8Moderate
302.8Moderate
312.8Moderate
Planning a trip in May

Is May a good time to visit Santo Ângelo?

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

6.9
Sightseeing
2nd-best month of the year
5.0
Beach & pool
10th-best month of the year

May is a reasonable time to visit Santo Ângelo for sightseeing.

What to pack for Santo Ângelo in May

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

In May, Santo Ângelo sees daytime highs around 22°C and nights near 13°C. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

UV index in Santo Ângelo in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santo Ângelo peaks around January 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 20UV 14Jun 21UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5High
Jun4Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct7High
Nov11Extreme
Dec12Extreme

Air quality in Santo Ângelo 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 Santo Ângelo is worst in September — around 15 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (March, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1515 µg/m³Mar 166 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar6Good
Apr6Good
May6Good
Jun7Good
Jul7Good
Aug10Good
Sep15Moderate
Oct9Good
Nov6Good
Dec6Good
Location & terrain

Where is Santo Ângelo?

Santo Ângelo sits at 28.3°S, 54.3°W, 295 m above sea level, in Brazil. The nearest listed city is Giruá, 31 km away.

Topography around Santo Ângelo

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

Within 3 km, the terrain around Santo Ângelo has only modest variations in elevation — a maximum elevation change of 122 m around an average of 254 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 241 m; within 80 km, significant variations in elevation — a maximum elevation change of 481 m.

The land around Santo Ângelo is covered by artificial surfaces (42%) and trees (33%) within 3 km, cropland (58%) and trees (29%) within 16 km, and cropland (69%) and trees (20%) within 80 km.

3 km
122 m
16 km
241 m
80 km
481 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Giruá 31 km · Ijuí 35 km · Santa Rosa 52 km · Três de Maio 59 km · Santo Cristo 66 km · São Luiz Gonzaga 69 km · Panambi 75 km · Cruz Alta 75 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 Santo Ângelo (-28.2992°, -54.2631°, elevation 295 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. 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).