In terms of precipitation, rainfall in Poland ranges from 20.0 - 70.0 mm per month. July is typically the wettest month, when rainfall can reach 70.0 mm. January is typically the driest time to visit Poland when rainfall is around 20.0 mm.
If weather is an important factor for your trip to Poland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).