Matinhos weather in August

In August, Matinhos sees average daytime highs of 21°C and overnight lows near 16°C, with 73 mm of rain across 8.9 wet days and about 11.1 hours of daylight. It is the 11th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 30% of the time in August, and the air most often feels humid.

Daylight stretches from about 10 h 48 min at the start of August to 11 h 24 min by month's end. Set against the rest of the year, August is Matinhos's 2nd-clearest and 9th-windiest month. For the whole year in context, see Matinhos's year-round climate.

Daytime high
21°
11th warmest
Overnight low
16°
2nd coldest
Rainfall
73 mm
8.9 wet days
Daylight
11 h 06 min
7:46 AM – 6:51 PM
Cloud cover
60%
2nd clearest
Wind
8 km/h
9th windiest
Solar energy
3.37 kWh/m²
Travel score
6.6
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 21°C through the month.

A typical August day in Matinhos reaches about 21°C in the afternoon and slips back to 16°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 24°C. Set against its neighbours, August runs on par with July and about 1°C cooler than September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12015
22015
32015
42015
52115
62115
72115
82115
92115
102115
112115
122115
132115
142115
152116
162116
172116
182116
192116
202116
212116
222116
232116
242116
252116
262116
272116
282116
292116
302116
312116

Matinhos weather by month

How August compares with the rest of the year at a glance. August is the 11th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 23°27624.313.44.2
Feb28° / 23°26521.412.94.2
Mar27° / 22°21622.612.24.6
Apr25° / 21°12215.511.45.8
May23° / 18°11913.310.86.3
Jun21° / 16°941010.46.4
Jul20° / 15°859.810.56.4
Aug21° / 16°738.911.16.6
Sep22° / 17°1301411.85.8
Oct23° / 19°13917.212.65.4
Nov25° / 20°15718.413.35.3
Dec27° / 22°20019.813.64.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

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

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
34852
44852
54753
64753
74654
84654
94654
104654
114555
124555
134456
144456
154456
164555
174555
184555
194654
204654
214654
224654
234753
244654
254654
264654
274555
284555
294555
304456
314357

Chance of precipitation in August

Any precipitation

Matinhos gets around 73 mm of rain over 8.9 wet days in August, the driest month. 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 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
228
328
428
528
628
728
828
928
1028
1129
1229
1329
1429
1529
1629
1729
1829
1929
2029
2129
2229
2329
2430
2530
2630
2731
2831
2932
3033
3134

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 43% of days. Sticky, muggy-or-worse air turns up on roughly 10% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12527435
22527435
32527435
42527426
52527426
62527426
72527417
82428417
92428417
102428418
112328418
122328419
132227419
142227419
1522274210
1621264210
1721264310
1820264411
1919264411
2019254411
2118254512
2218254512
2317254513
2417254513
2516254514
2616254515
2716244415
2816244416
2916244317
3016244317
3116244318

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 8 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
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
319calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 48 min at the start of August to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over August. Sunrise moves from 7:57 AM to 7:31 AM, and sunset from 6:44 PM to 6:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.87:576:44
210.87:566:44
310.87:566:45
410.87:556:45
510.97:546:46
610.97:546:46
710.97:536:46
810.97:526:47
910.97:516:47
1011.07:516:48
1111.07:506:48
1211.07:496:49
1311.07:486:49
1411.07:476:50
1511.17:476:50
1611.17:466:51
1711.17:456:51
1811.17:446:52
1911.27:436:52
2011.27:426:53
2111.27:416:53
2211.27:406:54
2311.27:396:54
2411.37:386:54
2511.37:376:55
2611.37:366:55
2711.37:356:56
2811.47:346:56
2911.47:336:57
3011.47:326:57
3111.47:316:57

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.37 kWh/m².

For context, solar energy here swings from a low near 2.62 kWh/m² to a high of 5.52 kWh/m² in December across the year — August's 3.37 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.0Moderate
23.1Moderate
33.1Moderate
43.1Moderate
53.1Moderate
63.1Moderate
73.1Moderate
83.2Moderate
93.2Moderate
103.2Moderate
113.2Moderate
123.2Moderate
133.3Moderate
143.3Moderate
153.3Moderate
163.3Moderate
173.3Moderate
183.4Moderate
193.4Moderate
203.4Moderate
213.5Moderate
223.5Moderate
233.5Moderate
243.5Moderate
253.6Moderate
263.6Moderate
273.6Moderate
283.6Moderate
293.7Moderate
303.7Moderate
313.7Moderate
Planning a trip in August

Hazard calendar for Matinhos

In seasonPeak

None of Matinhos's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Matinhos's rainy season runs September–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Matinhos?

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

6.6
Sightseeing
1st-best month of the year
3.9
Beach & pool
10th-best month of the year

August is a reasonable time to visit Matinhos for sightseeing.

What to pack for Matinhos in August

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

In August, Matinhos sees daytime highs around 21°C and nights near 16°C. Worth packing: rain gear. About 9 days see rain.

rain gear

Sea temperature near Matinhos in August

The nearest coast averages about 19°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 17 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 Matinhos in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Matinhos 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
Location & terrain

Where is Matinhos?

Matinhos sits at 25.8°S, 48.5°W, 7 m above sea level, in Brazil. The nearest listed city is Guaratuba, 7.0 km away.

Topography around Matinhos

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

Within 3 km, the terrain around Matinhos has significant variations in elevation — a maximum elevation change of 439 m around an average of 37 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 825 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,785 m.

The land around Matinhos is covered by water (46%) and trees (32%) within 3 km, water (54%) and trees (34%) within 16 km, and trees (55%) and water (34%) within 80 km.

3 km
439 m
16 km
825 m
80 km
1,785 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
August weather nearby: Guaratuba 7.0 km · Pontal do Paraná 18 km · Itapoá 33 km · Paranaguá 35 km · Garuva 38 km · São Francisco do Sul 47 km · Antonina 48 km · Morretes 49 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 Matinhos (-25.8322°, -48.5397°, elevation 7 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).