Rolante weather in May

In May, Rolante sees average daytime highs of 21°C and overnight lows near 13°C, with 122 mm of rain across 10.5 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 22°C in the first days to 20°C by the end. The sky is clear or mostly clear about 33% 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 Rolante's 7th-clearest and 10th-windiest month. For the whole year in context, see Rolante's year-round climate.

Daytime high
21°
9th warmest
Overnight low
13°
5th coldest
Rainfall
122 mm
10.5 wet days
Daylight
10 h 30 min
8:03 AM – 6:34 PM
Cloud cover
58%
7th clearest
Wind
9 km/h
10th windiest
Solar energy
2.92 kWh/m²
Travel score
6.4
out of 10

Rolante 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 22°C in the first days to 20°C by the end.

A typical May day in Rolante reaches about 21°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 16°C and 26°C. Set against its neighbours, May runs about 3°C cooler than April and about 2°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12214
22214
32214
42214
52214
62214
72214
82213
92213
102213
112113
122113
132113
142113
152113
162113
172113
182113
192112
202012
212012
222012
232012
242012
252012
262012
272012
282011
292011
302011
312011

Rolante 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
Jan28° / 19°17216.813.75.4
Feb28° / 19°14316.313.15.2
Mar27° / 18°13814.312.26.0
Apr24° / 16°1031111.36.7
May21° / 13°12210.510.56.4
Jun19° / 11°1121010.16.1
Jul19° / 10°14011.110.36.0
Aug21° / 11°12310.710.96.4
Sep21° / 13°15312.111.86.1
Oct23° / 15°18014.412.76.1
Nov25° / 16°12912.613.56.4
Dec27° / 18°1451413.95.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24951
34951
44852
54951
64951
74951
84951
94951
104951
114951
124951
134852
144852
154951
164951
174852
184852
194852
204852
214753
224753
234852
244753
254654
264654
274654
284654
294555
304555
314555

Chance of precipitation in May

Any precipitation

Rolante gets around 122 mm of rain over 10.5 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 33% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
134
234
333
433
533
633
734
834
934
1034
1134
1234
1334
1434
1534
1634
1734
1834
1934
2034
2133
2233
2333
2433
2533
2633
2732
2832
2932
3032
3132

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 40% of days. Sticky, muggy-or-worse air turns up on roughly 5% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1272931131
2282930121
3293030111
4303029101
531312991
631322881
732322880
832332870
933332760
1034332760
1134342750
1235342750
1335342740
1436342740
1536342740
1637332730
1738332630
1839322630
1940322530
2041312530
2143312430
2244302330
2346292220
2447292220
2549282120
2650282020
2752271920
2853271820
2954271720
3055261720
3156261620

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 9 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
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 7:53 AM to 8:12 AM, and sunset from 6:46 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:536:46
210.87:546:45
310.87:556:44
410.87:556:43
510.87:566:42
610.77:576:41
710.77:576:40
810.77:586:40
910.77:596:39
1010.67:596:38
1110.68:006:37
1210.68:006:37
1310.68:016:36
1410.68:026:35
1510.58:026:35
1610.58:036:34
1710.58:046:33
1810.58:046:33
1910.58:056:32
2010.48:066:32
2110.48:066:31
2210.48:076:31
2310.48:076:30
2410.48:086:30
2510.38:096:29
2610.38:096:29
2710.38:106:29
2810.38:106:28
2910.38:116:28
3010.38:126:28
3110.38:126:27

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.92 kWh/m².

For context, solar energy here swings from a low near 2.49 kWh/m² to a high of 6.4 kWh/m² in December across the year — May's 2.92 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
182.9Moderate
192.8Moderate
202.8Moderate
212.8Moderate
222.8Moderate
232.8Moderate
242.7Moderate
252.7Moderate
262.7Moderate
272.7Moderate
282.7Moderate
292.7Moderate
302.7Moderate
312.6Moderate
Planning a trip in May

Is May a good time to visit Rolante?

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

6.4
Sightseeing
2nd-best month of the year
3.9
Beach & pool
9th-best month of the year

May is a reasonable time to visit Rolante for sightseeing.

What to pack for Rolante in May

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

In May, Rolante sees daytime highs around 21°C and nights near 13°C. Worth packing: rain gear. About 11 days see rain.

rain gear

Sea temperature near Rolante in May

The nearest coast averages about 21°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 68 km away) is warmest in February at about 25°C and coldest in August near 16°C.

It's comfortable for a long swim from Nov 5 to May 23 — about 6.6 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb25Warm
Mar24Warm
Apr23Refreshing
May21Refreshing
Jun18Cool
Jul16Cool
Aug16Cool
Sep17Cool
Oct19Cool
Nov21Refreshing
Dec23Refreshing

UV index in Rolante 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 Rolante peaks around January 17 at about 13 (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 highModerateHighVery highExtremeJan 17UV 13Jun 21UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar10Extreme
Apr8Very high
May5Moderate
Jun4Moderate
Jul4Moderate
Aug5High
Sep8Very high
Oct9Very high
Nov12Extreme
Dec13Extreme

Air quality in Rolante 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 Rolante is worst in August — around 15 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (February, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1815 µg/m³Feb 207 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar7Good
Apr8Good
May8Good
Jun8Good
Jul11Good
Aug15Moderate
Sep12Good
Oct9Good
Nov8Good
Dec8Good
Location & terrain

Where is Rolante?

Rolante sits at 29.7°S, 50.6°W, 47 m above sea level, in Brazil. The nearest listed city is Santo Antônio da Patrulha, 19 km away.

Topography around Rolante

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

Within 3 km, the terrain around Rolante has significant variations in elevation — a maximum elevation change of 327 m around an average of 87 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 844 m; within 80 km, large variations in elevation — a maximum elevation change of 1,137 m.

The land around Rolante is covered by trees (56%) and grassland (30%) within 3 km, trees (66%) and grassland (29%) within 16 km, and trees (44%) and grassland (28%) within 80 km.

3 km
327 m
16 km
844 m
80 km
1,137 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Santo Antônio da Patrulha 19 km · Taquara 20 km · Igrejinha 22 km · São Francisco de Paula 23 km · Três Coroas 25 km · Parobé 25 km · Nova Hartz 32 km · Osório 40 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 Rolante (-29.6506°, -50.5758°, elevation 47 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).