Annual mean
Annual mean of daily highs
Annual mean of daily lows
Pennwyn CDP, Pennsylvania
Official LSAD Designation: Pennwyn CDP • Census GEOID: 4259304
• Berks County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Pennwyn CDP.
Reference Weather Station: READING SPAATZ FLD, PA US (ID: USW00014712)
• Located 5.4 miles from community center
• Elevation: 103.9 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 38.6° | 23.0° | 30.8° | 2.97" |
| February | 41.9° | 24.4° | 33.1° | 2.61" |
| March | 51.0° | 31.9° | 41.5° | 3.53" |
| April | 63.4° | 41.7° | 52.5° | 3.35" |
| May | 73.5° | 51.5° | 62.5° | 3.51" |
| June | 82.0° | 61.2° | 71.6° | 4.77" |
| July | 86.5° | 65.8° | 76.1° | 4.77" |
| August | 84.4° | 64.1° | 74.3° | 4.49" |
| September | 77.1° | 56.6° | 66.9° | 4.88" |
| October | 65.4° | 45.0° | 55.2° | 3.80" |
| November | 53.8° | 35.4° | 44.6° | 3.02" |
| December | 43.4° | 28.0° | 35.7° | 3.51" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station READING SPAATZ FLD, PA US (ID: USW00014712) • 5.4 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 | 55.0 | 64.9 | 45.1 |
| 2011 | 54.9 | 64.5 | 45.3 |
| 2012 | 56.2 | 65.9 | 46.5 |
| 2013 | 53.7 | 62.8 | 44.5 |
| 2014 | 51.9 | 61.4 | 42.3 |
| 2015 | 53.6 | 63.4 | 43.8 |
| 2016 | 55.1 | 65.2 | 44.9 |
| 2017 | 54.7 | 64.2 | 45.2 |
| 2018 | 54.2 | 62.9 | 45.4 |
| 2019 | 54.5 | 63.8 | 45.1 |
| 2020 | 55.9 | 65.5 | 46.2 |
| 2021 | 55.8 | 65.3 | 46.2 |
| 2022 | 55.0 | 65.2 | 44.9 |
| 2023 | 56.4 | 66.4 | 46.4 |
| 2024 | 56.9 | 66.7 | 47.1 |
| 2025 | 54.9 | 64.4 | 45.4 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.