Annual mean
Annual mean of daily highs
Annual mean of daily lows
Ritzville city, Washington
Official LSAD Designation: Ritzville city • Census GEOID: 5358725
• Adams County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Ritzville city.
Reference Weather Station: RITZVILLE 1 SSE, WA US (ID: USC00457059)
• Located 0.4 miles from community center
• Elevation: 568.1 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 35.8° | 23.9° | 29.8° | 1.64" |
| February | 41.8° | 25.9° | 33.9° | 1.12" |
| March | 51.0° | 29.8° | 40.4° | 1.33" |
| April | 59.7° | 33.8° | 46.7° | 0.96" |
| May | 69.1° | 41.3° | 55.2° | 1.19" |
| June | 76.2° | 46.8° | 61.5° | 0.89" |
| July | 86.7° | 53.4° | 70.1° | 0.41" |
| August | 86.1° | 53.3° | 69.7° | 0.32" |
| September | 76.6° | 46.1° | 61.4° | 0.43" |
| October | 61.5° | 36.4° | 49.0° | 1.08" |
| November | 45.2° | 28.7° | 36.9° | 1.58" |
| December | 35.2° | 23.4° | 29.3° | 1.80" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station RITZVILLE 1 SSE, WA US (ID: USC00457059) • 0.4 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 | 48.6 | 59.5 | 37.8 |
| 2011 | 46.9 | 58.5 | 35.2 |
| 2012 | 49.0 | 60.4 | 37.6 |
| 2013 | 48.2 | 60.1 | 36.4 |
| 2014 | 49.7 | 61.5 | 37.9 |
| 2015 | 51.7 | 63.9 | 39.6 |
| 2016 | 49.9 | 61.7 | 38.2 |
| 2017 | 47.8 | 59.4 | 36.2 |
| 2018 | 49.1 | 61.2 | 37.0 |
| 2019 | 46.7 | 58.0 | 35.5 |
| 2020 | 49.2 | 61.5 | 36.8 |
| 2021 | 50.0 | 62.4 | 37.6 |
| 2022 | 47.7 | 59.0 | 36.4 |
| 2023 | 50.1 | 61.5 | 38.7 |
| 2024 | 50.4 | 61.9 | 38.9 |
| 2025 | 51.6 | 63.1 | 40.0 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.