Climate and clothing

In July the weather in Kraków should be warm and sunny, with temperature 20 - 30° C during the day, and about 15 - 20° C at night or early morning. However, a jacket and an umbrella might be very useful in case of rain.

Currency

Local currency in Poland is Polish Złoty (zł, PLN).
The exchange rate is sometimes inconstant (1 EUR = 3.5-4.5 PLN).
A currency converter you can find (up-to-date) at e.g. http://www.xe.com/ucc/

Credit cards  

Most of shops and restaurants accept credit cards such as Visa Card, MasterCard, Diners Club and AmEx.

Electricity

Voltage in Poland is standard European 230V 50Hz single phase.
AC power plugs and sockets – type E.