Annual mean
Annual mean of daily highs
Annual mean of daily lows
Shelton city, Washington
Official LSAD Designation: Shelton city • Census GEOID: 5363735
• Mason County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Shelton city.
Reference Weather Station: SHELTON SANDERSON FLD, WA US (ID: USW00094227)
• Located 1.6 miles from community center
• Elevation: 82.6 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 47.0° | 33.7° | 40.4° | 11.08" |
| February | 50.4° | 33.1° | 41.7° | 6.66" |
| March | 54.7° | 35.1° | 44.9° | 7.24" |
| April | 59.8° | 38.1° | 48.9° | 4.86" |
| May | 66.8° | 43.9° | 55.3° | 2.62" |
| June | 71.5° | 48.6° | 60.0° | 1.54" |
| July | 78.1° | 52.1° | 65.1° | 0.68" |
| August | 78.5° | 52.2° | 65.3° | 1.22" |
| September | 73.5° | 47.5° | 60.5° | 2.50" |
| October | 61.5° | 41.1° | 51.3° | 6.99" |
| November | 51.9° | 36.2° | 44.0° | 11.60" |
| December | 45.7° | 33.3° | 39.5° | 10.92" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station SHELTON SANDERSON FLD, WA US (ID: USW00094227) • 1.6 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 | 50.0 | 59.1 | 40.9 |
| 2011 | 48.5 | 57.9 | 39.1 |
| 2012 | 49.4 | 58.9 | 40.0 |
| 2013 | 49.8 | 59.0 | 40.6 |
| 2014 | 52.1 | 62.1 | 42.1 |
| 2015 | 52.7 | 63.4 | 42.0 |
| 2016 | 52.5 | 62.3 | 42.6 |
| 2017 | 51.2 | 61.5 | 40.9 |
| 2018 | 52.2 | 62.6 | 41.8 |
| 2019 | 51.2 | 61.3 | 41.0 |
| 2020 | 51.4 | 61.3 | 41.4 |
| 2021 | 51.0 | 60.9 | 41.1 |
| 2022 | 50.5 | 60.7 | 40.4 |
| 2023 | 51.4 | 61.7 | 41.1 |
| 2024 | Unavailable | Unavailable | Unavailable |
| 2025 | Unavailable | Unavailable | Unavailable |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.