View long-term temperature data for Wausau, Wisconsin. The annual average temperature in Wausau is 43.6 degrees Fahrenheit, the annual average high temperature is 53.2 degrees, and the annual average low temperature is 34 degrees (averages are based on the 1991-2020 climate normals). Notable records for Wausau include:
- Hottest day (record high temperature): 107 degrees (July 13, 1936)
- Coldest day (record low temperature): -40 degrees (January 30, 1951, and February 10, 1899)
- Warmest annual average temperature: 48.8 degrees (1998)
- Coldest annual average temperature: 37.9 degrees (1917)
Daily and Annual Temperatures
View daily temperatures for Wausau, Wisconsin, from 1895 to the present day, using combined data from the stations at the Wausau Record-Herald newspaper (April 1895-December 1941) and Wausau Downtown Airport (January 1942-present). This chart shows the observed high and low temperatures compared with the normal highs and lows. The bumpy lines are the observed temperatures; the smooth lines are the normal temperatures.
Click and drag anywhere on the chart to zoom in on specific data points.
Download the complete record of temperature data (CSV)
The file contains daily average, high, and low temperatures.