Annual mean
Annual mean of daily highs
Annual mean of daily lows
Chelan city, Washington
Official LSAD Designation: Chelan city • Census GEOID: 5311615
• Chelan County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Chelan city.
Reference Weather Station: CHELAN, WA US (ID: USC00451350)
• Located 0.9 miles from community center
• Elevation: 363.9 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 34.3° | 21.6° | 28.0° | 1.52" |
| February | 41.7° | 24.3° | 33.0° | 1.22" |
| March | 51.9° | 30.3° | 41.1° | 1.09" |
| April | 62.1° | 37.5° | 49.8° | 0.75" |
| May | 71.9° | 46.2° | 59.0° | 1.05" |
| June | 77.9° | 53.0° | 65.4° | 0.87" |
| July | 86.6° | 59.1° | 72.8° | 0.42" |
| August | 87.0° | 58.1° | 72.5° | 0.32" |
| September | 77.2° | 49.2° | 63.2° | 0.34" |
| October | 62.2° | 38.8° | 50.5° | 1.04" |
| November | 45.7° | 29.5° | 37.6° | 1.51" |
| December | 34.9° | 22.6° | 28.7° | 1.83" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station CHELAN, WA US (ID: USC00451350) • 0.9 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 | 50.8 | 58.9 | 42.7 |
| 2011 | 49.2 | 57.7 | 40.6 |
| 2012 | Unavailable | Unavailable | Unavailable |
| 2013 | Unavailable | Unavailable | Unavailable |
| 2014 | Unavailable | Unavailable | Unavailable |
| 2015 | 52.8 | 63.9 | 41.7 |
| 2016 | 51.6 | 62.6 | 40.5 |
| 2017 | 48.9 | 59.6 | 38.3 |
| 2018 | 50.9 | 61.6 | 40.2 |
| 2019 | 49.4 | 59.5 | 39.3 |
| 2020 | Unavailable | Unavailable | Unavailable |
| 2021 | 51.7 | 63.0 | 40.5 |
| 2022 | 48.7 | 58.9 | 38.4 |
| 2023 | 51.7 | 62.6 | 40.7 |
| 2024 | Unavailable | 63.3 | Unavailable |
| 2025 | 53.0 | 63.8 | 42.3 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.