Annual mean
Annual mean of daily highs
Annual mean of daily lows
Caln CDP, Pennsylvania
Official LSAD Designation: Caln CDP • Census GEOID: 4210816
• Chester County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Caln CDP.
Reference Weather Station: COATESVILLE 2 W, PA US (ID: USC00361591)
• Located 4.2 miles from community center
• Elevation: 195.1 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 38.5° | 21.9° | 30.2° | 4.05" |
| February | 41.5° | 23.2° | 32.4° | 3.34" |
| March | 50.3° | 30.5° | 40.4° | 4.80" |
| April | 62.7° | 40.1° | 51.4° | 4.10" |
| May | 72.8° | 50.3° | 61.5° | 4.02" |
| June | 80.8° | 59.0° | 69.9° | 4.54" |
| July | 85.4° | 64.6° | 75.0° | 4.55" |
| August | 83.4° | 62.8° | 73.1° | 4.58" |
| September | 76.5° | 55.7° | 66.1° | 5.17" |
| October | 64.9° | 43.6° | 54.3° | 4.57" |
| November | 53.6° | 34.0° | 43.8° | 3.61" |
| December | 43.1° | 26.9° | 35.0° | 4.79" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station W CHESTER 2 NW, PA US (ID: USC00369464) • 8.0 miles from community center .
This annual reference station differs from the monthly normals station (ID: USC00361591), which has no available annual mean history.
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 | 53.5 | 64.9 | 42.1 |
| 2011 | 54.0 | 65.1 | 42.8 |
| 2012 | 54.5 | 65.8 | 43.1 |
| 2013 | 52.1 | 63.1 | 41.1 |
| 2014 | 50.7 | 62.2 | 39.1 |
| 2015 | 52.7 | 64.2 | 41.2 |
| 2016 | 53.6 | 65.5 | 41.8 |
| 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.