Annual mean
Annual mean of daily highs
Annual mean of daily lows
Orrstown borough, Pennsylvania
Official LSAD Designation: Orrstown borough • Census GEOID: 4257112
• Franklin County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Orrstown borough.
Reference Weather Station: SHIPPENSBURG, PA US (ID: USC00368073)
• Located 4.6 miles from community center
• Elevation: 207.3 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 38.3° | 22.1° | 30.2° | 3.17" |
| February | 42.0° | 23.8° | 32.9° | 2.66" |
| March | 51.4° | 30.7° | 41.0° | 3.70" |
| April | 64.2° | 40.8° | 52.5° | 3.64" |
| May | 74.2° | 50.7° | 62.5° | 4.01" |
| June | 82.9° | 59.6° | 71.3° | 4.00" |
| July | 87.4° | 64.0° | 75.7° | 3.98" |
| August | 85.3° | 62.1° | 73.7° | 3.34" |
| September | 77.7° | 54.7° | 66.2° | 4.32" |
| October | 65.8° | 43.7° | 54.8° | 3.33" |
| November | 53.4° | 34.0° | 43.7° | 2.98" |
| December | 42.3° | 26.6° | 34.5° | 3.36" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station SHIPPENSBURG, PA US (ID: USC00368073) • 4.6 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 | 54.2 | 64.1 | 44.3 |
| 2011 | 54.2 | 64.0 | 44.3 |
| 2012 | 55.3 | 65.5 | 45.1 |
| 2013 | 52.6 | 62.3 | 42.9 |
| 2014 | 50.9 | 60.8 | 41.0 |
| 2015 | 53.1 | 63.8 | 42.4 |
| 2016 | 54.0 | 64.8 | 43.1 |
| 2017 | 54.6 | 65.6 | 43.6 |
| 2018 | 53.5 | 63.0 | 44.1 |
| 2019 | 54.0 | 64.1 | 43.8 |
| 2020 | 54.0 | 64.7 | 43.3 |
| 2021 | 54.1 | 64.6 | 43.6 |
| 2022 | 52.4 | 63.1 | 41.7 |
| 2023 | 54.1 | 65.0 | 43.2 |
| 2024 | 54.7 | 65.3 | 44.1 |
| 2025 | 52.8 | 63.4 | 42.3 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.