St. Petersburg does have ballet and opera, which can be a little more formal, but they also are now quite accustomed to foreign visitors and wave any formal dress codes. What is the weather like in St. Petersburg. It is quite mild and humid with frequent fogs and rains. Precipitation is not too plentiful, being 550 - 600 mm per annum. August is the rainiest month.
High humidity is the result of the lack of sunny days.
How may pieces of luggage may I take and what size. You may take 3 pieces of luggage. We recommend that your carryon bag contain one full change of dress clothing, you re necessary toiletries and your computer or valuable camera items. These Regional carriers have different luggage restrictions than Finnair your primary carrier. Our advice, pack less clothing and have your laundry cleaned by hotel services.