Annual mean
Annual mean of daily highs
Annual mean of daily lows
Franklintown borough, Pennsylvania
Official LSAD Designation: Franklintown borough • Census GEOID: 4227576
• York County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Franklintown borough.
Reference Weather Station: CARLISLE WTP, PA US (ID: USC00361920)
• Located 13.4 miles from community center
• Elevation: 131.1 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 38.1° | 20.5° | 29.3° | 3.06" |
| February | 41.0° | 21.6° | 31.3° | 2.58" |
| March | 50.0° | 28.9° | 39.5° | 4.05" |
| April | 62.6° | 38.5° | 50.5° | 3.79" |
| May | 72.5° | 48.9° | 60.7° | 4.73" |
| June | 81.1° | 58.5° | 69.8° | 4.42" |
| July | 85.5° | 62.5° | 74.0° | 5.45" |
| August | 83.8° | 60.8° | 72.3° | 4.03" |
| September | 77.4° | 53.2° | 65.3° | 4.96" |
| October | 65.9° | 41.5° | 53.7° | 4.26" |
| November | 53.5° | 32.3° | 42.9° | 3.13" |
| December | 42.2° | 25.3° | 33.7° | 3.57" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station CARLISLE WTP, PA US (ID: USC00361920) • 13.4 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 | 53.7 | 64.8 | 42.6 |
| 2011 | 53.7 | 64.5 | 42.9 |
| 2012 | 54.0 | 65.0 | 43.0 |
| 2013 | 51.5 | 62.2 | 40.9 |
| 2014 | 49.7 | 60.5 | 38.9 |
| 2015 | 51.8 | 62.9 | 40.7 |
| 2016 | 53.3 | 64.8 | 41.9 |
| 2017 | 53.1 | 64.0 | 42.2 |
| 2018 | 52.0 | 61.9 | 42.1 |
| 2019 | 52.5 | 63.4 | 41.7 |
| 2020 | 53.9 | 65.0 | 42.7 |
| 2021 | 54.0 | 65.0 | 43.0 |
| 2022 | 52.3 | 64.0 | 40.6 |
| 2023 | 54.0 | 65.8 | 42.2 |
| 2024 | 54.2 | 65.1 | 43.2 |
| 2025 | 52.0 | 63.1 | 41.0 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.