Annual mean
Annual mean of daily highs
Annual mean of daily lows
Alsea CDP, Oregon
Official LSAD Designation: Alsea CDP • Census GEOID: 4101800
• Benton County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Alsea CDP.
Reference Weather Station: ALSEA FH (FALL CREEK), OR US (ID: USC00350145)
• Located 7.9 miles from community center
• Elevation: 70.1 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 45.1° | 36.1° | 40.6° | 14.63" |
| February | 48.8° | 36.0° | 42.4° | 10.77" |
| March | 52.9° | 36.8° | 44.8° | 10.80" |
| April | 57.7° | 38.8° | 48.3° | 7.71" |
| May | 63.7° | 43.5° | 53.6° | 4.06" |
| June | 68.8° | 46.5° | 57.7° | 2.55" |
| July | 74.9° | 49.0° | 62.0° | 0.52" |
| August | 75.6° | 49.5° | 62.6° | 0.80" |
| September | 69.2° | 46.3° | 57.8° | 2.68" |
| October | 58.8° | 42.3° | 50.5° | 7.32" |
| November | 50.0° | 38.7° | 44.3° | 13.67" |
| December | 44.2° | 35.3° | 39.8° | 16.39" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station ALSEA FH (FALL CREEK), OR US (ID: USC00350145) • 7.9 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 | 50.7 | 58.5 | 42.9 |
| 2011 | 49.0 | 56.6 | 41.4 |
| 2012 | Unavailable | Unavailable | Unavailable |
| 2013 | 49.9 | 58.2 | 41.6 |
| 2014 | 51.7 | 60.6 | 42.8 |
| 2015 | 52.1 | 61.9 | 42.3 |
| 2016 | 51.4 | 60.1 | 42.7 |
| 2017 | 49.5 | 58.3 | 40.7 |
| 2018 | 50.1 | 59.3 | 41.0 |
| 2019 | 49.4 | 58.6 | 40.2 |
| 2020 | 50.2 | 59.8 | 40.7 |
| 2021 | 51.0 | 60.3 | 41.7 |
| 2022 | 49.7 | 58.7 | 40.8 |
| 2023 | 50.4 | 59.9 | 40.8 |
| 2024 | 50.5 | 60.2 | 40.9 |
| 2025 | Unavailable | Unavailable | Unavailable |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.