About polish climate
The climate is mostly temperate throughout the country. The climate is oceanic in the north and west and becomes gradually warmer and continental towards the south and east. Summers are generally warm, with average temperatures between 18 and 30 °C (64.4 and 86.0 °F) depending on a region. Winters are rather cold, with average temperatures around 3 °C (37.4 °F) in the northwest and ?6 °C (21 °F) in the northeast. Precipitation falls throughout the year, although, especially in the east; winter is drier than summer.98
Źródło: https://en.wikipedia.org/wiki/Poland#Climate
Visiting Polish monuments of nature
May weekend is one of the first opportunities for short tourist trips. Picnic can spend not only a home barbecue, but also for mountain walks or visiting Polish monuments of nature, and above all walks of large parks and greenery around the beautiful lakes. This way you can not only eat well, but also to spend time in the fresh air and the opportunity to see the history of Polish tourism. Weather in early May is sometimes different, but certainly much more conducive to family walks in the mountains, than the weather prevailing during the cold weather. In contrast, people who visit the large parks, may in designated areas also organize family camping.
Events Winter in Poland
Many people take time off work during the winter and spends time in the Polish tourist resorts. Tourists come to the mountain resorts especially during the winter holidays. Such centers are adapted to the needs of single travelers and families. Although Poland is not a country known for its winter resorts, but staying in Zakopane or other mountain resorts for many people can be attractive and memorable, the more that take place in Poland more and more sporting events associated with winter sports and events related to the celebration of Carnival. Other attractions related to mountain tourism are walks in the mountains, sleigh rides and skiing lessons. As a result, Poland mountaineering can constantly develop and attract more and more people.