Currently, November is the cheapest month in which you can book a flight from Waterloo, Iowa to Switzerland (average of $637). Flying from Waterloo, Iowa to Switzerland in June is currently the most expensive (average of $1,315). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
In terms of precipitation, rainfall in Switzerland ranges from 2.5 - 5.0 inches per month. June is typically the wettest month, when rainfall can reach 5.0 in. January is typically the driest time to visit Switzerland when rainfall is around 2.5 in.
If weather is an important factor for your trip to Switzerland, 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 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).