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Zürich Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Zürich, Canton of Zurich, Switzerland. This average is based on long-term data collected between 1990 and 2020. Let's explore the details to provide you with a complete overview.

Zürich experiences significant rain/snowfall throughout the year, averaging 1350 mm (53 in) of precipitation annually.

Monthly Precipitation Levels

The average number of days each month with precipitation (> 0.2 mm (0.01 in))

The wettest period in Zürich occurs in June, which receives around 140 mm (5.5 in) of precipitation. During the driest month, February, Zürich experiences moderate snow/rainfall, totaling approximately 90 mm (3.5 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate.

June, the wettest month, has a maximum daytime temperature of 23°C (73°F). The city receives 208 hours of sunshine in this period. During the driest month February you can expect a temperature of 7°C (45°F). For more detailed insights into the city's temperatures, visit our Zürich Temperature page.

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in May

Explore Zürich's Historical Precipitation: 1976-2026

Browse day-by-day precipitation records for Zürich spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.

Annual Rainfall in Switzerland: City Comparison

The map below shows the annual precipitation across Switzerland. You can also select the different months in case you are interested in a specific month.

Annual
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Legend heavy rainfall high moderate low almost none
Heavy annual rainfall has been defined as more than 1000 mm (39 in) precipitation. High: 600 mm (24 in) to 1000 mm (39 in). Moderate: 250 mm (9.8 in) to 600 mm (24 in). Low: less than 250 mm (9.8 in).

Zürich vs World: Rainfall Compared

Zürich's average annual precipitation is 1350 mm (53 in). Let's compare this to some popular worldwide tourist destinations:

In Barcelona, Spain, the average annual precipitation is 644 mm (25 in), evenly distributed across the year with no extreme wet or dry seasons.

In Seoul, South Korea, the average annual precipitation is 1237 mm (49 in), with most rain falling during the summer monsoon season.

Melbourne, Australia, has 690 mm (27 in) of rainfall annually, spread fairly evenly throughout the year.

Mumbai, India, experiences a tropical monsoon climate with 1860 mm (73 in) of annual rainfall, with the majority of precipitation happening during the monsoon season from June to September.

How is Precipitation Measured?

Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.

Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.

  • Rainy Seasons: Many parts of the world have well-defined wet seasons where precipitation is distinctly higher. These are normally accompanied by lush vegetation and temperature patterns.
  • Dry Seasons: In areas where the climate is either desert or Mediterranean, the amount of precipitation is drastically reduced, leading to a shortage of water and arid conditions.
  • Interesting weather facts

    • The U.S. has a significant number of thunderstorms every year, with over 14.6 million taking place across the world annually.
    • Approximately 70% of lightning bolts strike land rather than oceans.
    • A storm named John was the longest-lasting Pacific tropical storm, continuing for 31 days. As it crossed the dateline twice, it changed status from a hurricane to a typhoon and back to a hurricane.

    For more detailed information about Zürich's weather, including sunshine hours, humidity levels, and temperature data, visit our Zürich Climate page.


    Current rainfall in Zürich

    More climate data for Zürich