Annual mean
Annual mean of daily highs
Annual mean of daily lows
Porter CDP, Washington
Official LSAD Designation: Porter CDP • Census GEOID: 5355540
• Grays Harbor County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Porter CDP.
Reference Weather Station: ELMA, WA US (ID: USC00452531)
• Located 7.1 miles from community center
• Elevation: 21.3 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 48.6° | 34.6° | 41.6° | 11.13" |
| February | 51.9° | 33.9° | 42.9° | 7.04" |
| March | 56.4° | 36.2° | 46.3° | 8.16" |
| April | 61.8° | 39.1° | 50.4° | 5.36" |
| May | 68.3° | 44.3° | 56.3° | 3.29" |
| June | 72.4° | 48.3° | 60.3° | 2.18" |
| July | 78.4° | 51.7° | 65.1° | 0.79" |
| August | 79.5° | 51.6° | 65.5° | 1.43" |
| September | 75.1° | 47.7° | 61.4° | 2.67" |
| October | 63.7° | 41.4° | 52.6° | 7.23" |
| November | 53.0° | 36.5° | 44.7° | 11.39" |
| December | 47.4° | 33.8° | 40.6° | 11.37" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station ELMA, WA US (ID: USC00452531) • 7.1 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 | 52.6 | 62.2 | 42.9 |
| 2011 | 51.0 | 61.2 | 40.8 |
| 2012 | 51.7 | 62.3 | 41.0 |
| 2013 | 52.1 | 62.3 | 41.9 |
| 2014 | 54.1 | 65.2 | 43.0 |
| 2015 | 54.5 | 66.2 | 42.8 |
| 2016 | 54.0 | 65.0 | 43.0 |
| 2017 | 52.3 | 63.6 | 41.1 |
| 2018 | 53.2 | 64.2 | 42.2 |
| 2019 | 52.2 | 63.3 | 41.1 |
| 2020 | 53.7 | 64.7 | 42.6 |
| 2021 | 53.5 | 64.0 | 42.9 |
| 2022 | 53.0 | 64.1 | 41.9 |
| 2023 | 53.7 | 64.7 | 42.6 |
| 2024 | 53.8 | 64.2 | 43.4 |
| 2025 | 54.4 | 64.8 | 43.9 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.