Bülach Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Bülach, 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.

Bülach has a relatively rain/snowy climate with high precipitation levels, averaging 1189 mm (47 in) of rain/snowfall annually.

Monthly Precipitation Levels

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

Year-round, Bülach has a balanced climate with minimal variation in precipitation. The difference between the wettest month, May, with 122 mm (4.8 in), and the driest month, February, with 79 mm (3.1 in), is minimal.

May, the wettest month, has a maximum daytime temperature of 20°C (68°F). The city receives 193 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 Bülach Temperature page.

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

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).

Bülach vs World: Rainfall Compared

Bülach's average annual precipitation is 1189 mm (47 in). Let's compare this to some popular worldwide tourist destinations:

The city of Rome, Italy, has an average annual precipitation of 832 mm (33 in), spread fairly evenly throughout the year.

Osaka, Japan, experiences 1507 mm (59 in) of rainfall annually, spread across the year with wetter summers.

Adelaide, Australia, enjoys 511 mm (20 in) of annual precipitation, with dry summers and wet winters.

Ho Chi Minh City, Vietnam, receives 1955 mm (77 in) of annual rainfall, with a pronounced wet season from May to November, typical of its tropical monsoon climate.

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 Bülach's weather, including sunshine hours, humidity levels, and temperature data, visit our Bülach Climate page.

Current rainfall in Bülach

10-Day Forecast