Antonina in Summer
In summer (December, January and February), Antonina sees average daytime highs around 28°C and overnight lows near 21°C, with 882 mm of rain over about 72 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 8% of the time across summer, and the air most often feels oppressive.
Summer is Antonina's weakest season of the year to visit on our travel score. For the whole year in context, see Antonina's year-round climate.
- Avg daytime high
- 28°C
- warmest season of the year
- Avg overnight low
- 21°C
- Rainfall
- 882 mm
- 72 wet days
- Avg wind
- 5 km/h
- Travel score
- 4.0
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Antonina in Summer
Across summer, daytime highs hold fairly steady around 28°C.
A typical summer day in Antonina reaches about 28°C and drops to 21°C overnight. The warmest of the three months is February, the coolest December.
Antonina 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° / 21° | 324 | 26.4 | 13.4 | 3.9 |
| Feb | 28° / 21° | 307 | 23 | 12.9 | 3.8 |
| Mar | 27° / 20° | 232 | 23.7 | 12.2 | 4.4 |
| Apr | 25° / 18° | 130 | 16.4 | 11.4 | 5.6 |
| May | 23° / 16° | 121 | 13.7 | 10.8 | 6.1 |
| Jun | 22° / 14° | 100 | 11.1 | 10.4 | 6.3 |
| Jul | 21° / 13° | 100 | 11.6 | 10.6 | 6.2 |
| Aug | 22° / 14° | 86 | 11.2 | 11.1 | 6.4 |
| Sep | 22° / 15° | 159 | 16.8 | 11.8 | 5.4 |
| Oct | 24° / 17° | 178 | 20.4 | 12.6 | 4.9 |
| Nov | 25° / 18° | 188 | 21 | 13.2 | 4.8 |
| Dec | 27° / 20° | 251 | 22.5 | 13.6 | 4.4 |
Cloud cover in Summer
The sky is clear or mostly clear about 8% of the time across summer.
Chance of precipitation in Summer
Antonina gets around 882 mm of rain over 72 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 5 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 5.1 kWh/m².
Hazard calendar for Antonina
In summer, Antonina overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Antonina's rainy season runs September–March, when most of the year's rain falls.
Is summer a good time to visit Antonina?
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 Antonina for sightseeing.
What to pack for Antonina in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Antonina sees daytime highs around 28°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 72 days see rain.
Sea temperature near Antonina 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 40 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 18 to Jun 29 — about 9.4 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 | 22 | 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 | 22 | Refreshing |
| Nov | 23 | Refreshing |
| Dec | 25 | Warm |
UV index in Antonina in Summer
Clear-sky midday UV across summer averages around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Antonina peaks around January 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 5 (high).
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 | 14 | 11 | 8 | 6 | 5 | 5 | 7 | 7 | 10 | 12 | 13 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | Moderate | High | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 14 | Extreme |
| Mar | 11 | Extreme |
| Apr | 8 | Very high |
| May | 6 | High |
| Jun | 5 | High |
| Jul | 5 | Moderate |
| Aug | 7 | High |
| Sep | 7 | Very high |
| Oct | 10 | Extreme |
| Nov | 12 | Extreme |
| Dec | 13 | Extreme |
Where is Antonina?
Antonina sits at 25.4°S, 48.7°W, 9 m above sea level, in Brazil. The nearest listed city is Morretes, 13 km away.
Topography around Antonina
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Antonina.
Within 3 km, the terrain around Antonina has significant variations in elevation — a maximum elevation change of 284 m around an average of 25 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 891 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,785 m.
The land around Antonina is covered by trees (41%) and water (35%) within 3 km, trees (77%) within 16 km, and trees (69%) and water (20%) 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 Antonina (-25.4286°, -48.7119°, elevation 9 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.