Basel, Switzerland, experiences a transition from spring to summer during May. Typical conditions include average high temperatures ranging from 15C to 20C (59F to 68F) and lows between 8C and 12C (46F to 54F). Sunshine hours increase, averaging around seven per day, while rainfall remains moderate, similar to April. This period often sees pleasant, mild weather suitable for outdoor activities.
Understanding the prevailing climatic conditions during this period is valuable for planning trips and events. The generally pleasant weather makes May an attractive time to visit Basel, offering opportunities to explore the city’s historical sites, enjoy Rhine River cruises, or participate in outdoor festivals. Historically, May’s mild weather has played a role in shaping the city’s agricultural practices and cultural celebrations.