Historical Milwaukee Precipitation Data

View long-term precipitation data for Milwaukee, Wisconsin. Precipitation is any type of liquid or frozen water that falls to the Earth and can include rain, hail, sleet, or snow. Milwaukee averages 34.57 inches of precipitation per year, based on the 1991-2020 climate normals. June is typically the wettest month (4.38 inches) and February is typically the driest month (1.69 inches). Notable records for Milwaukee include:

  • Record one-day precipitation (rainfall): 6.81 inches (August 6, 1986)
  • Wettest month: 12.27 inches (June 2008)
  • Wettest year: 50.36 inches (1876)
  • Driest year: 18.69 inches (1901)

Note: The record calendar-day precipitation total doesn’t necessarily equal the record 24-hour total.

Daily and Annual Precipitation

View daily precipitation for Milwaukee, Wisconsin, from 1871 to the present day, using combined data from the stations at the Milwaukee weather bureau office (January 1871–February 1941) and Milwaukee Mitchell International Airport (March 1941–present). This chart shows the daily and total precipitation compared with the normal total precipitation. The vertical lines and left axis represent the daily precipitation; the horizontal lines and right axis represent the yearly total and normal precipitation.


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Download the complete record of precipitation data (CSV)

Seven-Day Summary

Date Precipitation (in.) Total Year to Date Normal Year to Date

T = trace (less than 0.005 inches of rain or less than 0.05 inches of snow)
M = missing data

Single-Day, Monthly, and Yearly Record Precipitation

Top 10 Wettest Days

Precipitation (in.) Date

Top 10 Wettest Months

Precipitation (in.) Date

Top 10 Wettest Years

Precipitation (in.) Date

Top 10 Driest Years

Precipitation (in.) Date

Days of Measurable Precipitation

This chart shows the annual number of days per year where there was at least 0.01 inch of precipitation.

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Days of at Least 1 Inch of Precipitation

This chart shows the annual number of days per year where there was at least 1 inch of precipitation.

Move your mouse over the chart to see specific data points. Click and drag to zoom in on the chart.

Tap anywhere in the chart to see specific data points. Pinch to zoom in or out on the chart. Rotating your device horizontally may make the chart easier to read.