Annual mean
Annual mean of daily highs
Annual mean of daily lows
Clayton CDP, Washington
Official LSAD Designation: Clayton CDP • Census GEOID: 5312735
• Stevens County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Clayton CDP.
Reference Weather Station: DEER PARK AP, WA US (ID: USW00094119)
• Located 6.4 miles from community center
• Elevation: 667.8 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 33.9° | 21.1° | 27.5° | 2.89" |
| February | 38.8° | 21.6° | 30.2° | 1.63" |
| March | 48.5° | 26.6° | 37.6° | 2.27" |
| April | 57.5° | 31.9° | 44.7° | 1.91" |
| May | 67.4° | 39.2° | 53.3° | 1.92" |
| June | 73.1° | 44.0° | 58.6° | 1.91" |
| July | 84.2° | 48.4° | 66.3° | 0.61" |
| August | 84.2° | 46.8° | 65.5° | 0.73" |
| September | 74.0° | 39.9° | 57.0° | 0.82" |
| October | 57.5° | 31.7° | 44.6° | 2.00" |
| November | 41.9° | 26.4° | 34.1° | 2.77" |
| December | 33.1° | 21.3° | 27.2° | 3.06" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station DEER PARK AP, WA US (ID: USW00094119) • 6.4 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 | 45.9 | 57.2 | 34.7 |
| 2011 | 43.8 | 56.0 | 31.7 |
| 2012 | 46.5 | 58.7 | 34.4 |
| 2013 | 45.1 | 57.4 | 32.7 |
| 2014 | 46.7 | 58.8 | 34.7 |
| 2015 | 48.5 | 61.6 | 35.3 |
| 2016 | 47.6 | 59.7 | 35.5 |
| 2017 | 44.9 | 57.5 | 32.4 |
| 2018 | 46.1 | 58.8 | 33.5 |
| 2019 | Unavailable | Unavailable | Unavailable |
| 2020 | 46.2 | 58.9 | 33.5 |
| 2021 | 47.5 | 60.7 | 34.4 |
| 2022 | 45.3 | 57.9 | 32.6 |
| 2023 | 47.8 | 60.0 | 35.5 |
| 2024 | 47.9 | 60.5 | 35.2 |
| 2025 | 48.6 | 61.0 | 36.1 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.