Regarding the weather in Vienna, May and June are the quite stable. Rain is limited, temperatures remain mostly warm and pleasant sometimes even hot. Sunshine can be counted on, nevertheless we recommend bringing an umbrella or shielding clothing as a precaution. There can even be periods of both heat and humidity. Therefore, we suggest bringing light clothing and to dress in layers. A pullover or jacket might be necessary in the mornings and evenings, as well as on rainy days. On sunny days, short sleeves, sun-block and summer hats are appropriate.