Gravataí weather in May

In May, Gravataí sees average daytime highs of 22°C and overnight lows near 13°C, with 106 mm of rain across 9.2 wet days and about 10.5 hours of daylight. It is the 9th-warmest and 11th-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 30% 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 Gravataí's 9th-clearest and 11th-windiest month. For the whole year in context, see Gravataí's year-round climate.

Daytime high
22°
9th warmest
Overnight low
13°
5th coldest
Rainfall
106 mm
9.2 wet days
Daylight
10 h 30 min
8:05 AM – 6:35 PM
Cloud cover
60%
9th clearest
Wind
10 km/h
11th windiest
Solar energy
2.9 kWh/m²
Travel score
6.7
out of 10

Gravataí is human settlement in Brazil.

Air quality
Good
PM10 16.3 µg/m³ · 2014

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 Gravataí 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)
12315
22315
32314
42314
52314
62314
72314
82314
92214
102214
112214
122214
132214
142213
152213
162213
172213
182113
192113
202113
212113
222113
232113
242112
252112
262112
272012
282012
292012
302012
312012

Gravataí weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°14014.213.74.7
Feb29° / 20°12713.913.14.7
Mar28° / 19°12112.612.25.7
Apr25° / 16°1029.711.36.8
May22° / 13°1069.210.56.7
Jun20° / 11°1129.410.16.2
Jul19° / 10°13610.310.36.1
Aug21° / 11°12210.410.96.5
Sep22° / 13°14711.211.86.3
Oct24° / 15°16912.712.76.4
Nov27° / 17°12210.913.56.4
Dec29° / 19°12912.413.95.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24654
34753
44753
54852
64753
74753
84753
94753
104753
114753
124753
134753
144852
154852
164753
174753
184753
194753
204753
214753
224753
234654
244555
254555
264555
274456
284357
294357
304258
314258

Chance of precipitation in May

Any precipitation

Gravataí gets around 106 mm of rain over 9.2 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 (%)
130
230
330
430
530
630
730
830
930
1030
1130
1230
1330
1430
1530
1630
1730
1829
1929
2029
2128
2228
2328
2428
2528
2628
2728
2828
2929
3029
3129

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 (%)
1262631162
2272631151
3272730151
4282730141
5282830131
6292929121
7292929121
8303029110
9303029100
10313128100
1132312890
1232312890
1333322780
1433322780
1534322770
1635322670
1736322670
1837312660
1938312560
2039312460
2140302450
2242302350
2343302350
2444292240
2546292140
2647292040
2748291940
2849281940
2950281840
3051281830
3153271730

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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
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 7:55 AM to 8:14 AM, and sunset from 6:47 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:556:47
210.87:566:46
310.87:576:45
410.87:576:44
510.87:586:43
610.77:596:43
710.77:596:42
810.78:006:41
910.78:016:40
1010.68:016:39
1110.68:026:39
1210.68:036:38
1310.68:036:37
1410.58:046:36
1510.58:056:36
1610.58:056:35
1710.58:066:35
1810.58:076:34
1910.48:076:33
2010.48:086:33
2110.48:086:32
2210.48:096:32
2310.48:106:31
2410.38:106:31
2510.38:116:30
2610.38:116:30
2710.38:126:30
2810.38:136:29
2910.38:136:29
3010.28:146:29
3110.28:146:28

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.9 kWh/m².

For context, solar energy here swings from a low near 2.44 kWh/m² to a high of 6.65 kWh/m² in December across the year — May's 2.9 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.3Moderate
23.3Moderate
33.3Moderate
43.2Moderate
53.2Moderate
63.2Moderate
73.1Moderate
83.1Moderate
93.1Moderate
103.0Moderate
113.0Moderate
123.0Moderate
133.0Moderate
142.9Moderate
152.9Moderate
162.9Moderate
172.9Moderate
182.8Moderate
192.8Moderate
202.8Moderate
212.8Moderate
222.8Moderate
232.7Moderate
242.7Moderate
252.7Moderate
262.7Moderate
272.7Moderate
282.6Moderate
292.6Moderate
302.6Moderate
312.6Moderate
Planning a trip in May

Is May a good time to visit Gravataí?

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
8th-best month of the year

May is a reasonable time to visit Gravataí for sightseeing.

What to pack for Gravataí in May

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

In May, Gravataí 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 Gravataí 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 49 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 Gravataí 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 Gravataí peaks around January 16 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 16UV 13Jun 19UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar10Very high
Apr7Very high
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct8Very high
Nov11Extreme
Dec12Extreme

Air quality in Gravataí 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 Gravataí is worst in August — around 27 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateAug 1327 µg/m³Dec 2213 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar15Moderate
Apr18Moderate
May21Moderate
Jun23Moderate
Jul25Moderate
Aug27Moderate
Sep23Moderate
Oct16Moderate
Nov15Moderate
Dec13Moderate
Location & terrain

Where is Gravataí?

Gravataí sits at 29.9°S, 51.0°W, 41 m above sea level, in Brazil. The nearest listed city is Cachoeirinha, 10 km away.

Topography around Gravataí

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

Within 3 km, the terrain around Gravataí has only modest variations in elevation — a maximum elevation change of 86 m around an average of 30 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 347 m; within 80 km, large variations in elevation — a maximum elevation change of 988 m.

The land around Gravataí is covered by artificial surfaces (43%) and trees (36%) within 3 km, trees (42%) and grassland (30%) within 16 km, and trees (45%) and grassland (21%) within 80 km.

3 km
86 m
16 km
347 m
80 km
988 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Cachoeirinha 10 km · Alvorada 10 km · Viamão 16 km · Canoas 19 km · Esteio 20 km · Sapucaia do Sul 20 km · Porto Alegre 25 km · São Leopoldo 25 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 Gravataí (-29.9422°, -50.9928°, elevation 41 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).