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Time zone

In July, the time in Rio is Brasília Time (BRT), which is 3 hours behind Greenwich Mean Time (GMT-3).



The official language of Brazil is Portuguese.



Since 1994, the Real (R$) has been the official currency of Brazil. To exchange your currency for reais, go to an exchange bureau or bank authorized to do foreign exchange. You may also get cash in the many automatic teller machines found around the city.

To check the value of the real against other currencies, check the website of the Brazilian Central Bank


Telephone communications

Brazil's area code is 55. The area code for Rio de Janeiro is 21.



There are public telephones - known locally as orelhões - scattered around the city, especially in busier locations. To use them, you will need to buy a phone card, with 20, 30, 40, 50 or 75 credits. All cards allow you to make local calls, long distance (interstate) and IDD (international) calls.

To call from public phone, insert the card and follow the instructions below:

1 - Long distance (interstate): 0 + carrier* + city code + phone number 

2 - International (IDD): 00 + carrier* + country code + city code + phone number

You can also make collect calls without a card:

1 - Local collect calls: 9090 + phone number 

2 - Long distance (interstate) collect calls: 90 + carrier* + city code + phone number

You can also get international calling calls, at discounted rates - they can even be purchased online.

* The phone carrier code is a two-digit number referring to the international calling carrier you would like to use when making your call. In Rio de Janeiro, they are: 21 (Embratel), 23 (Intelig) and 31 (Oi).


Mobile phones

Before travelling, check whether your carrier offers roaming services in Brazil. If it does not, and you have an unlocked phone, you can buy pre-paid SIM cards, from one of the four carriers operating in Rio de Janeiro (ClaroOiTIMVivo). To call, after buying the SIM card, simply purchase a recharge card.


Electricity and power outlets

Two voltages are used in Brazil: 110V and 220V. In Rio de Janeiro, the standard voltage is 110V, but many hotels also have 220V outlets. It is recommended to check the voltage in each device before plugging it into an outlet.


For security reasons, Brazil has recently modified its standard outlet configuration, adopting a three-pin model.
It is also common to find outlets and appliances using the old standard, with only two round pins.
The American standard can also be found.

Some hotels offer outlet adapters for certain configurations.



The city of Rio de Janeiro is located just north of the Tropic of Capricorn, giving it a humid tropical climate. The month of July is characterized by essentially constant daily highs around 27ºC (80°F) throughout the month. Daily low temperatures are around 17ºC (63°F).

In July, the median cloud cover is 66% (partly cloudy), the average probability that some form of precipitation will be observed in a given day is 26%, the relative humidity typically ranges from 53% (mildly humid) to 97% (very humid), and typical wind speeds vary from 0 km/h (0 mph) to 19 km/h (12 mph) - calm to gentle breeze.



Dressing codes are mostly informal in Rio de Janeiro.

Due to possible weather variability and the possibility of rain, it is recommended that you pack light clothing for warmer days, and light coats for the evening.

International Statistical Institute Brazilian Institute of Geography and Statistical Exibition and Convention Center Escala Eventos