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Brazil weather in August 2025
Expect 25°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Brazil in August. Check more long-term weather averages for Brazil in August before you book your next holiday to Brazil in 2025/2026.
- 25°C max day temperature
25 - 6 hours of sunshine per day
- 9 days with some rainfall
9 - 16°C min night temperature
16 - 11 hours of daylight per day
11 - Low heat & humidity
L - 76 mm of monthly rainfall
76 - 7 (High) UV index
7 - 22°C sea temperature
22
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The August weather guide for Brazil (Rio de Janeiro) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Top Brazil destinations
Below are average maximum temperatures at popular countries, regions and places in Brazil in August. Select a holiday destination to see more weather parameters.
All Brazil destinations
- Angra Dos Reis
- Belem
- Belo Horizonte
- Boa Vista
- Brasilia
- Buzios
- Caceres
- Campinas
- Campo Grande
- Costa do Sauipe
- Cuiaba
- Curitiba
- Fernando de Noronha
- Florianopolis
- Fortaleza
- Foz do Iguacu
- Guaruja
- Ilheus
- Macapa
- Maceio
- Manaus
- Marau Peninsular
- Natal
- Paraty
- Pipa
- Ponta Negra
- Porto Alegre
- Porto Seguro
- Porto Velho
- Praia Do Forte
- Recife
- Rio de Janeiro
- Salvador
- Sao Luis
- Sao Paulo
- Tabatinga
- Via Costeira
Metric (°C / mm) | Imperial (°F / inches)
More about Brazil
How hot is it in Brazil in August?
Daytime temperatures usually reach 25°C in Rio de Janeiro, Brazil in August with low heat and humidity, falling to 16°C at night.
How sunny is it in Brazil in August?
There are normally 6 hours of bright sunshine each day in Rio de Janeiro, Brazil in August - that's 55% of daylight hours.
How warm is the sea around Brazil in August?
The average sea temperature around Rio de Janeiro, Brazil in August is 22°C.
Does it rain in Brazil in August?
There are usually 9 days with some rain in Rio de Janeiro, Brazil in August and the average monthly rainfall is 76mm.
Brazil August sunrise & sunset times
Browse the sunrise and sunset times for Brazil in August 2025. Select a month to view Brazil sunrise and sunset times for the next 12 months. The Brazil sunrise and sunset times shown below are for Rio de Janeiro.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st August 2025 | 06:27 | 17:32 |
| Saturday, 16th August 2025 | 06:17 | 17:38 |
| Sunday, 31st August 2025 | 06:04 | 17:43 |
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