São Luiz Gonzaga weather in May

In May, São Luiz Gonzaga sees average daytime highs of 23°C and overnight lows near 13°C, with 141 mm of rain across 9 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 37% 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 18 min by month's end. Set against the rest of the year, May is São Luiz Gonzaga's 10th-clearest and 7th-windiest month. For the whole year in context, see São Luiz Gonzaga's year-round climate.

Daytime high
23°
9th warmest
Overnight low
13°
4th coldest
Rainfall
141 mm
9 wet days
Daylight
10 h 36 min
8:18 AM – 6:54 PM
Cloud cover
56%
10th clearest
Wind
11 km/h
7th windiest
Solar energy
3.05 kWh/m²
Travel score
6.9
out of 10

São Luiz Gonzaga 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 São Luiz Gonzaga reaches about 23°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)
12415
22415
32415
42414
52414
62414
72414
82414
92314
102314
112314
122314
132313
142313
152313
162213
172213
182213
192213
202213
212213
222213
232213
242112
252112
262112
272112
282112
292112
302112
312112

How May really feels in São Luiz Gonzaga

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.

São Luiz Gonzaga 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° / 21°17813.413.64.1
Feb31° / 20°15112.8134.4
Mar29° / 19°13611.212.25.2
Apr26° / 16°17610.111.36.7
May23° / 13°141910.66.9
Jun21° / 12°1389.910.26.4
Jul20° / 11°1579.610.46.5
Aug22° / 12°1098.8117.1
Sep24° / 14°16510.311.87.0
Oct26° / 16°23512.512.76.3
Nov29° / 18°17210.213.45.8
Dec31° / 20°17611.313.84.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% 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 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35347
45347
55248
65248
75248
85248
95149
105149
115149
125050
135050
144951
154951
164951
174852
184852
194852
204852
214852
224753
234753
244753
254852
264753
274654
284654
294753
304654
314753

Chance of precipitation in May

Any precipitation

São Luiz Gonzaga gets around 141 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 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
228
328
428
527
627
727
827
927
1027
1127
1228
1328
1428
1529
1629
1730
1830
1930
2030
2131
2231
2331
2431
2531
2631
2731
2831
2931
3031
3131

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 12% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1312423202
2322423202
3332422191
4342522181
5342522181
6352521171
7362621171
8372621161
9372720150
10382720150
11382720140
12392820130
13392820130
14402820120
15402820120
16412820110
17422820110
18422820100
19432720100
2044272090
2145271980
2247261980
2348251970
2449251970
2550241970
2652241860
2753231860
2853231860
2954221860
3055221760
3156211760

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 11 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
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 54 min at the start of May to 10 h 18 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 8:09 AM to 8:27 AM, and sunset from 7:05 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.98:097:05
210.98:107:04
310.98:107:03
410.98:117:02
510.88:127:02
610.88:127:01
710.88:137:00
810.88:136:59
910.78:146:58
1010.78:156:58
1110.78:156:57
1210.78:166:56
1310.78:176:56
1410.68:176:55
1510.68:186:54
1610.68:186:54
1710.68:196:53
1810.68:206:53
1910.58:206:52
2010.58:216:52
2110.58:216:51
2210.58:226:51
2310.58:236:50
2410.48:236:50
2510.48:246:49
2610.48:246:49
2710.48:256:49
2810.48:256:48
2910.48:266:48
3010.48:266:48
3110.38:276:48

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.05 kWh/m².

For context, solar energy here swings from a low near 2.56 kWh/m² to a high of 6.76 kWh/m² in December across the year — May's 3.05 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.5Moderate
43.4Moderate
53.4Moderate
63.4Moderate
73.3Moderate
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
242.8Moderate
252.8Moderate
262.8Moderate
272.8Moderate
282.8Moderate
292.8Moderate
302.7Moderate
312.7Moderate
Planning a trip in May

Is May a good time to visit São Luiz Gonzaga?

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

6.9
Sightseeing
3rd-best month of the year
5.1
Beach & pool
9th-best month of the year

May is a reasonable time to visit São Luiz Gonzaga for sightseeing.

What to pack for São Luiz Gonzaga in May

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

In May, São Luiz Gonzaga sees daytime highs around 23°C and nights near 13°C. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

UV index in São Luiz Gonzaga 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 São Luiz Gonzaga peaks around January 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 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 21UV 14Jun 20UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5Moderate
Jun4Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct7High
Nov11Extreme
Dec12Extreme
Location & terrain

Where is São Luiz Gonzaga?

São Luiz Gonzaga sits at 28.4°S, 55.0°W, 264 m above sea level, in Brazil. The nearest listed city is Santo Ângelo, 69 km away.

Topography around São Luiz Gonzaga

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

Within 3 km, the terrain around São Luiz Gonzaga has only modest variations in elevation — a maximum elevation change of 97 m around an average of 217 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 210 m; within 80 km, significant variations in elevation — a maximum elevation change of 399 m.

The land around São Luiz Gonzaga is covered by trees (32%) and cropland (31%) within 3 km, cropland (57%) and grassland (23%) within 16 km, and cropland (43%), grassland (32%) and trees (23%) within 80 km.

3 km
97 m
16 km
210 m
80 km
399 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Santo Ângelo 69 km · Santo Cristo 71 km · Giruá 73 km · Santa Rosa 76 km · Santiago 88 km · Apóstoles 95 km · Leandro N. Alem 96 km · Três de Maio 100 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 São Luiz Gonzaga (-28.4083°, -54.9608°, elevation 264 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).