Zurich, Switzerland has moderate weather with all four seasons. Spring sees increased pollen counts, mainly from trees like birch and alder. Summer can also have high pollen levels, with grasses and weeds as the main source.
Autumn in Zurich has lower pollen counts, but mold spores can be an issue in damp weather. Winter typically has the lowest pollen levels, providing relief for allergy sufferers.
The climate in Zurich is temperate, with average high temperatures ranging from 2°C (36°F) in winter to 24°C (75°F) in summer. Precipitation is relatively evenly distributed throughout the year, which can affect pollen and mold levels.
When pollen counts are high, we suggest doing these things to help with allergies, especially on windy days when pollen is flying around.