Sysmä Rainfall & Precipitation: Monthly Averages and Year-Round Insights

This page shows the average amount of rainfall per month in Sysmä. The numbers are calculated over a 30-year period to provide a reliable average. Let’s explore the details in depth to provide you with a complete overview.

Generally, Sysmä has a moderate amount of precipitation, averaging 690 mm of rain/snowfall annually.

Monthly Precipitation Levels

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

The climate in Sysmä shows significant variation throughout the year. Expect 82 mm of precipitation during the wettest month July, distributed over 15 rainy days.

In contrast, March offers drier and sunnier days, with around 37 mm of snow/rainfall over 16 snowy/rainy days.

July, the wettest month, has a maximum daytime temperature of 22°C. During the driest month March you can expect a temperature of 2°C. For more detailed insights into the city’s temperatures, visit our Sysmä Temperature page.

Annual Precipitation in Finland

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

Amsterdam Precipitation Compared World Wide

Sysmä’s average annual precipitation is 690 mm. Let’s compare this to some popular worldwide tourist destinations:

In Toronto, Canada, annual precipitation averages [964 mm], with snowy winters and rainy summers.

Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 1000 mm of annual rainfall, mostly in the summer.

Perth, Australia, receives 565 mm of rainfall annually, mostly during the winter months.

Ho Chi Minh City, Vietnam, receives 1955 mm 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.

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