Guaratuba weather in April

In April, Guaratuba sees average daytime highs of 26°C and overnight lows near 20°C, with 119 mm of rain across 14.2 wet days and about 11.4 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 25°C by the end. The sky is clear or mostly clear about 27% of the time in April, and the air most often feels muggy.

Daylight stretches from about 11 h 48 min at the start of April to 11 h 06 min by month's end. Set against the rest of the year, April is Guaratuba's 5th-clearest and 9th-windiest month. For the whole year in context, see Guaratuba's year-round climate.

Daytime high
26°
5th warmest
Overnight low
20°
8th coldest
Rainfall
119 mm
14.2 wet days
Daylight
11 h 24 min
7:33 AM – 6:56 PM
Cloud cover
62%
5th clearest
Wind
9 km/h
9th windiest
Solar energy
3.79 kWh/m²
Travel score
6.0
out of 10

Guaratuba is settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 26°C in the first days to 25°C by the end.

A typical April day in Guaratuba reaches about 26°C in the afternoon and slips back to 20°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 28°C. Set against its neighbours, April runs about 2°C cooler than March and about 3°C warmer than May.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12721
22721
32721
42621
52621
62621
72621
82621
92621
102621
112621
122621
132621
142621
152621
162621
172620
182620
192620
202620
212520
222520
232520
242520
252520
262520
272520
282519
292519
302519

Guaratuba weather by month

How April compares with the rest of the year at a glance. April is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 23°27123.313.44.1
Feb28° / 23°24920.612.94.1
Mar27° / 22°20621.412.24.7
Apr26° / 20°11914.211.46.0
May23° / 18°11512.710.86.4
Jun22° / 16°9810.110.46.5
Jul21° / 15°899.910.56.4
Aug21° / 16°819.411.16.6
Sep22° / 17°13313.911.85.8
Oct23° / 19°13616.412.65.5
Nov25° / 20°15316.613.35.5
Dec27° / 22°18619.213.65.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 19% of April, with mostly cloudy or overcast conditions the remaining 54%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14357
24456
34456
44456
54555
64654
74654
84555
94654
104555
114654
124654
134654
144654
154555
164654
174456
184555
194555
204555
214555
224654
234753
244753
254852
264852
274951
284951
294951
304951

Chance of precipitation in April

Any precipitation

Guaratuba gets around 119 mm of rain over 14.2 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 48% and peaks near 58% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
158
258
357
456
556
655
754
853
952
1051
1150
1249
1348
1447
1546
1646
1745
1844
1944
2043
2143
2243
2342
2442
2542
2642
2742
2841
2941
3041

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the muggy band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 72% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1031242395
2031242384
3131241384
4141241384
5141241384
6141341384
7151340374
8151440374
9151439374
10151539364
11261538364
12261638354
13261737344
14261737344
15261837333
16261937333
17262036323
18262136313
19262236303
20362336293
21372436283
22372536262
23372637252
24382737242
25482737231
26482837221
27482837211
28492938201
295102938181
305102938171

Wind in April

Winds average 9 km/h in April.

Across April, 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.

051015151015202530
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

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 48 min at the start of April to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over April. Sunrise moves from 7:26 AM to 7:40 AM, and sunset from 7:12 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.87:267:12
211.77:267:11
311.77:277:10
411.77:277:09
511.77:287:08
611.67:287:07
711.67:297:06
811.67:297:05
911.67:297:03
1011.57:307:02
1111.57:307:01
1211.57:317:00
1311.57:316:59
1411.47:326:58
1511.47:326:57
1611.47:336:56
1711.47:336:55
1811.37:346:54
1911.37:346:53
2011.37:356:52
2111.37:356:51
2211.27:366:50
2311.27:366:50
2411.27:376:49
2511.27:376:48
2611.27:386:47
2711.17:386:46
2811.17:396:45
2911.17:396:44
3011.17:406:43

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 3.79 kWh/m².

For context, solar energy here swings from a low near 2.57 kWh/m² to a high of 5.51 kWh/m² in December across the year — April's 3.79 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.0Bright
54.0Bright
64.0Bright
74.0Bright
84.0Moderate
94.0Moderate
103.9Moderate
113.9Moderate
123.9Moderate
133.9Moderate
143.8Moderate
153.8Moderate
163.8Moderate
173.7Moderate
183.7Moderate
193.7Moderate
203.6Moderate
213.6Moderate
223.6Moderate
233.6Moderate
243.5Moderate
253.5Moderate
263.5Moderate
273.5Moderate
283.5Moderate
293.4Moderate
303.4Moderate
Planning a trip in April

Is April a good time to visit Guaratuba?

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

6.0
Sightseeing
5th-best month of the year
5.6
Beach & pool
1st-best month of the year

April is a reasonable time to visit Guaratuba for sightseeing.

What to pack for Guaratuba in April

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

In April, Guaratuba sees daytime highs around 26°C and nights near 20°C. Pack rain gear. Worth having: light clothes. About 14 days see rain.

rain gearlight clothes

Sea temperature near Guaratuba in April

The nearest coast averages about 25°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 20 km away) is warmest in February at about 27°C and coldest in August near 19°C.

It's comfortable for a long swim from Sep 20 to Jun 28 — about 9.3 months when the water holds above 20°C.

20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr25Warm
May23Refreshing
Jun21Refreshing
Jul19Cool
Aug19Cool
Sep20Cool
Oct21Refreshing
Nov23Refreshing
Dec25Warm

UV index in Guaratuba in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Guaratuba peaks around January 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighHighVery highExtremeJan 19UV 14Jul 12UV 5
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May6High
Jun5High
Jul5Moderate
Aug6High
Sep8Very high
Oct10Very high
Nov12Extreme
Dec13Extreme

Air quality in Guaratuba in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Guaratuba is worst in August — around 15 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (February, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1115 µg/m³Feb 229 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar9Good
Apr10Good
May12Good
Jun14Moderate
Jul15Moderate
Aug15Moderate
Sep14Moderate
Oct12Good
Nov9Good
Dec9Good
Location & terrain

Where is Guaratuba?

Guaratuba sits at 25.9°S, 48.6°W, 6 m above sea level, in Brazil. The nearest listed city is Matinhos, 7.0 km away.

Topography around Guaratuba

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

Within 3 km, the terrain around Guaratuba has only modest variations in elevation — a maximum elevation change of 138 m around an average of 6 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 824 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,785 m.

The land around Guaratuba is covered by water (49%) and artificial surfaces (25%) within 3 km, water (50%) and trees (38%) within 16 km, and trees (54%) and water (34%) within 80 km.

3 km
138 m
16 km
824 m
80 km
1,785 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
April weather nearby: Matinhos 7.0 km · Pontal do Paraná 24 km · Itapoá 26 km · Garuva 32 km · São Francisco do Sul 41 km · Paranaguá 41 km · Morretes 52 km · Antonina 52 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 Guaratuba (-25.8828°, -48.5747°, elevation 6 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).