Annual mean
Annual mean of daily highs
Annual mean of daily lows
Alpena city, Michigan
Official LSAD Designation: Alpena city • Census GEOID: 2601740
• Alpena County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Alpena city.
Reference Weather Station: ALPENA WWTP, MI US (ID: USW00014814)
• Located 1.2 miles from community center
• Elevation: 179.8 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 27.1° | 13.4° | 20.2° | 2.19" |
| February | 28.6° | 12.7° | 20.6° | 1.70" |
| March | 36.8° | 20.8° | 28.8° | 1.81" |
| April | 48.4° | 32.1° | 40.3° | 3.11" |
| May | 60.8° | 43.1° | 51.9° | 3.17" |
| June | 71.0° | 53.7° | 62.4° | 2.72" |
| July | 77.1° | 59.4° | 68.3° | 3.29" |
| August | 76.2° | 58.1° | 67.2° | 3.45" |
| September | 68.9° | 50.7° | 59.8° | 2.94" |
| October | 55.9° | 39.6° | 47.7° | 3.24" |
| November | 43.0° | 29.9° | 36.4° | 2.27" |
| December | 32.8° | 20.9° | 26.9° | 2.05" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station ALPENA WWTP, MI US (ID: USW00014814) • 1.2 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 | 46.7 | 54.1 | 39.2 |
| 2011 | 44.9 | 52.5 | 37.3 |
| 2012 | 47.4 | 55.2 | 39.7 |
| 2013 | 43.5 | 50.9 | 36.1 |
| 2014 | 42.0 | 49.5 | 34.4 |
| 2015 | 46.3 | 53.9 | 38.6 |
| 2016 | 48.0 | 55.5 | 40.5 |
| 2017 | Unavailable | Unavailable | Unavailable |
| 2018 | 44.0 | 51.4 | 36.6 |
| 2019 | 42.4 | 49.8 | 35.0 |
| 2020 | 45.7 | 53.2 | 38.1 |
| 2021 | 47.2 | 55.1 | 39.3 |
| 2022 | 44.9 | 53.1 | 36.6 |
| 2023 | 47.1 | 54.6 | 39.7 |
| 2024 | 48.2 | 55.9 | 40.5 |
| 2025 | 44.9 | 52.6 | 37.3 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.