Beach
Praia do Saco do Demo
Rio de Janeiro · Brazil · Atlantic Ocean
-22.9662, -44.3847 · Angra dos Reis, 8 km
- 27°Sea · February
- 27°High · January
- 7.5 hSunshine · August
Your month at the beach
Praia do Saco do Demo in January
- 27°CAir, daytime high21°C at night
- 27°CSea temperature
- 5.9 hSunshine a day
- 25 daysRainy days in the month227 mm in total
- 7 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Praia do Saco do Demo in February
- 27°CAir, daytime high21°C at night
- 27°CSea temperature
- 6.9 hSunshine a day
- 20 daysRainy days in the month184 mm in total
- 7 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Praia do Saco do Demo in March
- 26°CAir, daytime high21°C at night
- 27°CSea temperature
- 6.4 hSunshine a day
- 22 daysRainy days in the month177 mm in total
- 7 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Praia do Saco do Demo in April
- 25°CAir, daytime high19°C at night
- 26°CSea temperature
- 6.7 hSunshine a day
- 14 daysRainy days in the month101 mm in total
- 8 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Praia do Saco do Demo in May
- 23°CAir, daytime high17°C at night
- 24°CSea temperature
- 6.3 hSunshine a day
- 11 daysRainy days in the month64 mm in total
- 8 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Praia do Saco do Demo in June
- 23°CAir, daytime high16°C at night
- 23°CSea temperature
- 6.7 hSunshine a day
- 8 daysRainy days in the month44 mm in total
- 8 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Praia do Saco do Demo in July
- 23°CAir, daytime high15°C at night
- 22°CSea temperature
- 7.0 hSunshine a day
- 8 daysRainy days in the month47 mm in total
- 8 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Praia do Saco do Demo in August
- 24°CAir, daytime high15°C at night
- 21°CSea temperature
- 7.5 hSunshine a day
- 8 daysRainy days in the month39 mm in total
- 8 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Praia do Saco do Demo in September
- 25°CAir, daytime high16°C at night
- 22°CSea temperature
- 6.4 hSunshine a day
- 14 daysRainy days in the month66 mm in total
- 9 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Praia do Saco do Demo in October
- 26°CAir, daytime high18°C at night
- 22°CSea temperature
- 5.8 hSunshine a day
- 18 daysRainy days in the month120 mm in total
- 9 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Praia do Saco do Demo in November
- 25°CAir, daytime high18°C at night
- 23°CSea temperature
- 5.2 hSunshine a day
- 21 daysRainy days in the month192 mm in total
- 8 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Praia do Saco do Demo in December
- 26°CAir, daytime high20°C at night
- 25°CSea temperature
- 5.7 hSunshine a day
- 24 daysRainy days in the month214 mm in total
- 8 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
The beach itself
- 3Places to stay within 5 kmHotels, guest houses, apartments and campsites · OpenStreetMap
- 117 kmAirport: Rio de Janeiro Galeão – Tom Jobim International Airport (GIG)In a straight line; by road it is further
No reliable information yet on: bathing water quality, wheelchair access, lifeguards.
January from 2020 to 2025
In January 2025 the sea averaged 26.6 °C — about the same as the 1991–2020 average.
1991–2020 average: 26.5 °C
1991–2020 average: 27.1 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
February from 2020 to 2025
In February 2025 the sea averaged 28.8 °C — 1.9 °C above the 1991–2020 average.
1991–2020 average: 26.9 °C
1991–2020 average: 27.1 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
March from 2020 to 2025
In March 2025 the sea averaged 25.2 °C — 1.5 °C below the 1991–2020 average.
1991–2020 average: 26.7 °C
1991–2020 average: 26.3 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
April from 2020 to 2025
In April 2025 the sea averaged 25.5 °C — about the same as the 1991–2020 average.
1991–2020 average: 25.8 °C
1991–2020 average: 25.1 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
May from 2020 to 2025
In May 2025 the sea averaged 24.3 °C — 0.3 °C above the 1991–2020 average.
1991–2020 average: 24.0 °C
1991–2020 average: 23.2 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
June from 2020 to 2025
In June 2025 the sea averaged 22.2 °C — 0.5 °C below the 1991–2020 average.
1991–2020 average: 22.7 °C
1991–2020 average: 22.8 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
July from 2020 to 2025
In July 2025 the sea averaged 21.8 °C — about the same as the 1991–2020 average.
1991–2020 average: 21.9 °C
1991–2020 average: 22.6 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
August from 2020 to 2025
In August 2025 the sea averaged 22.0 °C — 0.6 °C above the 1991–2020 average.
1991–2020 average: 21.4 °C
1991–2020 average: 23.6 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
September from 2020 to 2025
In September 2025 the sea averaged 22.2 °C — 0.4 °C above the 1991–2020 average.
1991–2020 average: 21.8 °C
1991–2020 average: 24.8 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
October from 2020 to 2025
In October 2025 the sea averaged 22.9 °C — 0.4 °C above the 1991–2020 average.
1991–2020 average: 22.5 °C
1991–2020 average: 25.5 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
November from 2020 to 2025
In November 2025 the sea averaged 22.6 °C — 0.5 °C below the 1991–2020 average.
1991–2020 average: 23.1 °C
1991–2020 average: 25.3 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
December from 2020 to 2025
In December 2025 the sea averaged 26.1 °C — 1.2 °C above the 1991–2020 average.
1991–2020 average: 24.9 °C
1991–2020 average: 26.4 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
When to go
1991–2020 averagesThe year at a glance
- Jan27°6 h227 mm
- Feb27°7 h184 mm
- Mar27°6 h177 mm
- Apr26°7 h101 mm
- May24°6 h64 mm
- Jun23°7 h44 mm
- Jul22°7 h47 mm
- Aug21°8 h39 mm
- Sep22°6 h66 mm
- Oct22°6 h120 mm
- Nov23°5 h192 mm
- Dec25°6 h214 mm
Each card is a month. The colour is the sea temperature, on the same scale as the map; in bold, the two best months for each.
Sea temperature
1991–2020 averagesClimate through the year
1991–2020 averagesRain
Sunshine
Sunshine hours are estimated from measured solar radiation, not observed directly.
Month by month
1991–2020 averagesEvery month at Praia do Saco do Demo: air, sea, rain and sunshine. Averages for 1991–2020.
| Month | High°C | Low°C | Sea°C | Rainmm | Rainy daysdays | Sunshineh/day | Windkm/h |
|---|---|---|---|---|---|---|---|
| January | 27 | 21 | 27 | 227 | 25 | 5.9 | 7 |
| Februarywarmest sea | 27 | 21 | 27 | 184 | 20 | 6.9 | 7 |
| March | 26 | 21 | 27 | 177 | 22 | 6.4 | 7 |
| April | 25 | 19 | 26 | 101 | 14 | 6.7 | 8 |
| May | 23 | 17 | 24 | 64 | 11 | 6.3 | 8 |
| June | 23 | 16 | 23 | 44 | 8 | 6.7 | 8 |
| July | 23 | 15 | 22 | 47 | 8 | 7.0 | 8 |
| August | 24 | 15 | 21 | 39 | 8 | 7.5 | 8 |
| September | 25 | 16 | 22 | 66 | 14 | 6.4 | 9 |
| October | 26 | 18 | 22 | 120 | 18 | 5.8 | 9 |
| November | 25 | 18 | 23 | 192 | 21 | 5.2 | 8 |
| December | 26 | 20 | 25 | 214 | 24 | 5.7 | 8 |
Swipe sideways to see the other columns.
About these numbers
Averages are for 1991–2020; the recent years (2020–2025) are what actually happened. Neither is today's weather.
| What | Where it comes from | Nearest measurement |
|---|---|---|
| Air, rain and sunshine | NASA POWER | 4 km away |
| Sea temperature | NOAA OISST v2.1, 1991–2020 | 18 km away |
| 2020–2025, month by month | NASA POWER · NOAA OISST v2.1 | 4 km away |
| Lifeguards and places to stay | OpenStreetMap | within 1–5 km |
| Nearest airport | OurAirports | straight-line distance |
| Image at the top | Sentinel-2 cloudless (EOX) | at this spot |