Cidreira in Summer
In summer (December, January and February), Cidreira sees average daytime highs around 26°C and overnight lows near 22°C, with 294 mm of rain over about 33 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 25°C in early December to 27°C by late February. The sky is clear or mostly clear about 32% of the time across summer, and the air most often feels oppressive.
Summer is Cidreira's 2nd-best season to visit on our travel score. For the whole year in context, see Cidreira's year-round climate.
- Avg daytime high
- 26°C
- warmest season of the year
- Avg overnight low
- 22°C
- Rainfall
- 294 mm
- 33 wet days
- Avg wind
- 18 km/h
- Travel score
- 6.4
- 2nd-best season
- Months
- Dec · Jan · Feb
Temperature in Cidreira in Summer
Over the season highs climb from about 25°C in early December to 27°C by late February.
A typical summer day in Cidreira reaches about 26°C and drops to 22°C overnight. The warmest of the three months is January, the coolest December.
Cidreira 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 | 27° / 22° | 101 | 11.5 | 13.7 | 6.3 |
| Feb | 27° / 22° | 92 | 11.6 | 13.1 | 6.1 |
| Mar | 26° / 22° | 104 | 10.9 | 12.2 | 6.6 |
| Apr | 24° / 19° | 85 | 9.2 | 11.3 | 7.0 |
| May | 21° / 16° | 108 | 9.2 | 10.5 | 6.6 |
| Jun | 19° / 14° | 106 | 9.4 | 10.1 | 6.1 |
| Jul | 18° / 13° | 125 | 10.1 | 10.3 | 5.9 |
| Aug | 19° / 14° | 116 | 9.9 | 10.9 | 6.2 |
| Sep | 20° / 15° | 137 | 10.9 | 11.8 | 6.0 |
| Oct | 22° / 17° | 144 | 12.1 | 12.7 | 6.2 |
| Nov | 24° / 19° | 103 | 9.7 | 13.5 | 7.0 |
| Dec | 26° / 21° | 101 | 10 | 13.9 | 6.8 |
Cloud cover in Summer
The sky is clear or mostly clear about 32% of the time across summer.
Chance of precipitation in Summer
Cidreira gets around 294 mm of rain over 33 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 18 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 48 min in early December to 12 h 42 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 6.5 kWh/m².
Is summer a good time to visit Cidreira?
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 Cidreira for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Cidreira in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Cidreira sees daytime highs around 26°C and nights near 22°C. Pack sun protection. Worth having: light clothes and rain gear. About 33 days see rain.
Sea temperature near Cidreira in Summer
The nearest coast averages about 24°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in February at about 25°C and coldest in August near 16°C.
It's comfortable for a long swim from Nov 9 to May 19 — about 6.3 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 24 | 25 | 24 | 23 | 20 | 18 | 16 | 16 | 17 | 19 | 20 | 23 |
| Comfort | Warm | Warm | Warm | Refreshing | Refreshing | Cool | Cool | Cool | Cool | Cool | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 24 | Warm |
| Feb | 25 | Warm |
| Mar | 24 | Warm |
| Apr | 23 | Refreshing |
| May | 20 | Refreshing |
| Jun | 18 | Cool |
| Jul | 16 | Cool |
| Aug | 16 | Cool |
| Sep | 17 | Cool |
| Oct | 19 | Cool |
| Nov | 20 | Refreshing |
| Dec | 23 | Refreshing |
UV index in Cidreira 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 Cidreira peaks around January 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (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) | 13 | 12 | 10 | 7 | 4 | 3 | 4 | 5 | 8 | 9 | 11 | 12 |
| Level | Extreme | Extreme | Very high | Very high | Moderate | Moderate | Moderate | Moderate | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 12 | Extreme |
| Mar | 10 | Very high |
| Apr | 7 | Very high |
| May | 4 | Moderate |
| Jun | 3 | Moderate |
| Jul | 4 | Moderate |
| Aug | 5 | Moderate |
| Sep | 8 | Very high |
| Oct | 9 | Very high |
| Nov | 11 | Extreme |
| Dec | 12 | Extreme |
Air quality in Cidreira in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Cidreira 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 8 | 7 | 7 | 8 | 8 | 8 | 11 | 15 | 12 | 9 | 8 | 8 |
| Level | Good | Good | Good | Good | Good | Good | Good | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 7 | Good |
| Mar | 7 | Good |
| Apr | 8 | Good |
| May | 8 | Good |
| Jun | 8 | Good |
| Jul | 11 | Good |
| Aug | 15 | Moderate |
| Sep | 12 | Good |
| Oct | 9 | Good |
| Nov | 8 | Good |
| Dec | 8 | Good |
Where is Cidreira?
Cidreira sits at 30.2°S, 50.2°W, 5 m above sea level, in Brazil. The nearest listed city is Tramandaí, 23 km away.
Topography around Cidreira
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cidreira.
Within 3 km, the terrain around Cidreira has only modest variations in elevation — a maximum elevation change of 17 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 56 m; within 80 km, large variations in elevation — a maximum elevation change of 987 m.
The land around Cidreira is covered by water (46%) within 3 km, water (56%) within 16 km, and water (45%) 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 Cidreira (-30.1811°, -50.2056°, elevation 5 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.