Matinhos in Summer
In summer (December, January and February), Matinhos sees average daytime highs around 27°C and overnight lows near 23°C, with 741 mm of rain over about 66 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Over the season highs climb from about 26°C in early December to 28°C by late February. The sky is clear or mostly clear about 11% of the time across summer, and the air most often feels oppressive.
Summer is Matinhos's weakest season of the year to visit on our travel score. For the whole year in context, see Matinhos's year-round climate.
- Avg daytime high
- 27°C
- warmest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 741 mm
- 66 wet days
- Avg wind
- 9 km/h
- Travel score
- 4.4
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Matinhos in Summer
Over the season highs climb from about 26°C in early December to 28°C by late February.
A typical summer day in Matinhos reaches about 27°C and drops to 23°C overnight. The warmest of the three months is February, the coolest December.
Matinhos weather by month
How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 23° | 276 | 24.3 | 13.4 | 4.2 |
| Feb | 28° / 23° | 265 | 21.4 | 12.9 | 4.2 |
| Mar | 27° / 22° | 216 | 22.6 | 12.2 | 4.6 |
| Apr | 25° / 21° | 122 | 15.5 | 11.4 | 5.8 |
| May | 23° / 18° | 119 | 13.3 | 10.8 | 6.3 |
| Jun | 21° / 16° | 94 | 10 | 10.4 | 6.4 |
| Jul | 20° / 15° | 85 | 9.8 | 10.5 | 6.4 |
| Aug | 21° / 16° | 73 | 8.9 | 11.1 | 6.6 |
| Sep | 22° / 17° | 130 | 14 | 11.8 | 5.8 |
| Oct | 23° / 19° | 139 | 17.2 | 12.6 | 5.4 |
| Nov | 25° / 20° | 157 | 18.4 | 13.3 | 5.3 |
| Dec | 27° / 22° | 200 | 19.8 | 13.6 | 4.9 |
Cloud cover in Summer
The sky is clear or mostly clear about 11% of the time across summer.
Chance of precipitation in Summer
Matinhos gets around 741 mm of rain over 66 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 9 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 30 min in early December to 12 h 36 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.3 kWh/m².
Hazard calendar for Matinhos
In summer, Matinhos overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Matinhos's rainy season runs September–March, when most of the year's rain falls.
Is summer a good time to visit Matinhos?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Matinhos for sightseeing.
What to pack for Matinhos in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Matinhos sees daytime highs around 27°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 66 days see rain.
Sea temperature near Matinhos in Summer
The nearest coast averages about 26°C across summer — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 27 | 27 | 25 | 23 | 21 | 19 | 19 | 20 | 21 | 23 | 25 |
| Comfort | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Cool | Cool | Cool | Refreshing | Refreshing | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 25 | Warm |
| May | 23 | Refreshing |
| Jun | 21 | Refreshing |
| Jul | 19 | Cool |
| Aug | 19 | Cool |
| Sep | 20 | Cool |
| Oct | 21 | Refreshing |
| Nov | 23 | Refreshing |
| Dec | 25 | Warm |
UV index in Matinhos in Summer
Clear-sky midday UV across summer averages around 13 (very high — sun protection essential). 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 13 | 11 | 8 | 6 | 5 | 5 | 6 | 8 | 10 | 12 | 13 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | Moderate | High | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 13 | Extreme |
| Mar | 11 | Extreme |
| Apr | 8 | Very high |
| May | 6 | High |
| Jun | 5 | High |
| Jul | 5 | Moderate |
| Aug | 6 | High |
| Sep | 8 | Very high |
| Oct | 10 | Very high |
| Nov | 12 | Extreme |
| Dec | 13 | Extreme |
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.
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
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.