Annual mean
Annual mean of daily highs
Annual mean of daily lows
Nyssa city, Oregon
Official LSAD Designation: Nyssa city • Census GEOID: 4153750
• Malheur County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Nyssa city.
Reference Weather Station: NYSSA, OR US (ID: USC00356179)
• Located 0.3 miles from community center
• Elevation: 662.9 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 35.4° | 24.2° | 29.8° | 1.38" |
| February | 44.2° | 27.4° | 35.8° | 0.79" |
| March | 54.9° | 33.7° | 44.3° | 0.92" |
| April | 62.7° | 38.6° | 50.7° | 0.99" |
| May | 71.9° | 47.9° | 59.9° | 1.15" |
| June | 80.5° | 54.5° | 67.5° | 0.72" |
| July | 90.9° | 62.3° | 76.6° | 0.25" |
| August | 89.2° | 59.1° | 74.1° | 0.16" |
| September | 78.7° | 49.4° | 64.0° | 0.54" |
| October | 64.2° | 37.7° | 50.9° | 0.81" |
| November | 46.6° | 29.5° | 38.1° | 1.02" |
| December | 36.3° | 24.1° | 30.2° | 1.42" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station NYSSA, OR US (ID: USC00356179) • 0.3 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 | Unavailable | Unavailable | Unavailable |
| 2011 | 51.1 | 62.9 | 39.3 |
| 2012 | Unavailable | Unavailable | Unavailable |
| 2013 | Unavailable | Unavailable | Unavailable |
| 2014 | Unavailable | Unavailable | Unavailable |
| 2015 | Unavailable | Unavailable | Unavailable |
| 2016 | Unavailable | Unavailable | Unavailable |
| 2017 | Unavailable | Unavailable | Unavailable |
| 2018 | Unavailable | Unavailable | Unavailable |
| 2019 | Unavailable | Unavailable | Unavailable |
| 2020 | Unavailable | Unavailable | Unavailable |
| 2021 | Unavailable | Unavailable | Unavailable |
| 2022 | Unavailable | Unavailable | Unavailable |
| 2023 | Unavailable | Unavailable | Unavailable |
| 2024 | Unavailable | Unavailable | Unavailable |
| 2025 | Unavailable | Unavailable | Unavailable |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.