Annual mean
Annual mean of daily highs
Annual mean of daily lows
Markham CDP, Washington
Official LSAD Designation: Markham CDP • Census GEOID: 5343640
• Grays Harbor County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Markham CDP.
Reference Weather Station: HOQUIAM BOWERMAN AP, WA US (ID: USW00094225)
• Located 4.9 miles from community center
• Elevation: 3.7 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 47.5° | 38.0° | 42.8° | 10.91" |
| February | 49.6° | 37.6° | 43.6° | 6.65" |
| March | 52.2° | 39.3° | 45.8° | 7.74" |
| April | 55.6° | 41.9° | 48.7° | 5.35" |
| May | 60.1° | 46.6° | 53.4° | 2.99" |
| June | 63.4° | 50.8° | 57.1° | 2.01" |
| July | 67.0° | 53.7° | 60.3° | 0.85" |
| August | 68.1° | 53.9° | 61.0° | 1.35" |
| September | 67.0° | 51.2° | 59.1° | 2.53" |
| October | 59.5° | 45.5° | 52.5° | 6.91" |
| November | 51.6° | 40.3° | 45.9° | 10.95" |
| December | 46.7° | 37.3° | 42.0° | 10.52" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station HOQUIAM BOWERMAN AP, WA US (ID: USW00094225) • 4.9 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 | 56.5 | 44.9 |
| 2011 | 49.5 | 55.8 | 43.2 |
| 2012 | 50.5 | 56.8 | 44.2 |
| 2013 | 50.6 | 56.7 | 44.4 |
| 2014 | 52.7 | 59.0 | 46.3 |
| 2015 | 53.4 | 60.3 | 46.6 |
| 2016 | 52.6 | 58.9 | 46.4 |
| 2017 | 50.9 | 57.4 | 44.3 |
| 2018 | 52.2 | 58.6 | 45.8 |
| 2019 | 51.7 | 58.2 | 45.2 |
| 2020 | 51.7 | 58.0 | 45.4 |
| 2021 | 51.5 | 57.6 | 45.5 |
| 2022 | 52.6 | 59.1 | 46.2 |
| 2023 | 52.4 | 58.9 | 46.0 |
| 2024 | 51.5 | 57.7 | 45.3 |
| 2025 | 51.5 | 57.8 | 45.2 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.