New Berlin (WI) Rainfall & Precipitation: Monthly Averages and Year-Round Insights
This page shows both the average monthly rainfall and the number of rainy days in New Berlin, Wisconsin, United States of America. These values are calculated using 30 years of data (1990–2020) to ensure accuracy. Now, let’s explore all the details to give you a full picture.
Generally, New Berlin experiences moderate precipitation patterns, averaging 947 mm yearly.
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm)
Significant seasonal changes in precipitation occur throughout the year. During the wet season, June receives substantial rainfall, averaging 138 mm of precipitation, recorded across 12 rainy days.
In contrast, the drier season, January brings less snowfall, with 35 mm over 10 snowy days.June, the wettest month, has a maximum daytime temperature of 25°C. The city receives 305 hours of sunshine in this period. During the driest month January you can expect a temperature of -2°C. For more detailed insights into the city’s temperatures, visit our New Berlin Temperature page.
Annual Precipitation in the United States of America
The map below shows the annual precipitation across the United States of America. You can also select the different months in case you are interested in a specific month.





Amsterdam Precipitation Compared World Wide
New Berlin’s average annual precipitation is 947 mm. Let’s compare this to some popular worldwide tourist destinations:
The city of Rome, Italy, has an average annual precipitation of 832 mm, spread fairly evenly throughout the year.
In Shanghai, China, the annual average precipitation is 1347 mm, with a humid subtropical climate.
In Brisbane, Australia, the annual precipitation is 979 mm, making it wetter than Sydney.
Mumbai, India, experiences a tropical monsoon climate with 1860 mm 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.
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 New Berlin (WI)’s weather, including sunshine hours, humidity levels, and temperature data, visit our New Berlin (WI) Climate page.