Annual mean
Annual mean of daily highs
Annual mean of daily lows
Portage city, Wisconsin
Official LSAD Designation: Portage city • Census GEOID: 5564100
• Columbia County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Portage city.
Reference Weather Station: PORTAGE WWTP, WI US (ID: USC00476718)
• Located 1.9 miles from community center
• Elevation: 239.3 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 26.1° | 9.9° | 18.0° | 1.44" |
| February | 30.6° | 13.2° | 21.9° | 1.41" |
| March | 42.4° | 24.0° | 33.2° | 2.18" |
| April | 55.7° | 35.8° | 45.8° | 4.15" |
| May | 68.2° | 47.8° | 58.0° | 4.58" |
| June | 77.9° | 57.9° | 67.9° | 5.61" |
| July | 81.6° | 61.6° | 71.6° | 4.51" |
| August | 79.9° | 59.4° | 69.6° | 4.12" |
| September | 72.6° | 50.7° | 61.6° | 3.56" |
| October | 59.3° | 39.0° | 49.2° | 2.86" |
| November | 44.2° | 28.3° | 36.3° | 2.22" |
| December | 31.8° | 17.1° | 24.4° | 1.68" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station PORTAGE WWTP, WI US (ID: USC00476718) • 1.9 miles from community center .
This is the same reference station used for monthly normals.
Source: NOAA NCEI Global Summary of the Year.
Annual temperature data table (°F)
| Year | Annual mean (°F) | Annual mean of daily highs (°F) | Annual mean of daily lows (°F) |
|---|---|---|---|
| 2010 | 48.2 | 57.9 | 38.5 |
| 2011 | 46.8 | 56.2 | 37.5 |
| 2012 | 50.5 | 61.1 | 39.9 |
| 2013 | 45.2 | 54.9 | 35.4 |
| 2014 | 43.8 | 53.1 | 34.4 |
| 2015 | 47.4 | 57.1 | 37.8 |
| 2016 | 48.9 | 57.8 | 40.0 |
| 2017 | 47.7 | 56.7 | 38.6 |
| 2018 | 46.1 | 55.0 | 37.3 |
| 2019 | 45.3 | 54.1 | 36.5 |
| 2020 | 47.8 | 56.6 | 38.9 |
| 2021 | Unavailable | Unavailable | Unavailable |
| 2022 | 46.0 | 55.4 | 36.5 |
| 2023 | 49.2 | 58.8 | 39.7 |
| 2024 | 50.1 | 59.8 | 40.4 |
| 2025 | 47.7 | 57.7 | 37.7 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.