Annual mean
Annual mean of daily highs
Annual mean of daily lows
Sinnamahoning CDP, Pennsylvania
Official LSAD Designation: Sinnamahoning CDP • Census GEOID: 4270896
• Cameron County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Sinnamahoning CDP.
Reference Weather Station: STEVENSON DAM, PA US (ID: USC00368469)
• Located 6.9 miles from community center
• Elevation: 284.1 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 32.6° | 15.6° | 24.1° | 2.80" |
| February | 35.7° | 16.0° | 25.8° | 2.40" |
| March | 45.0° | 23.0° | 34.0° | 3.26" |
| April | 58.5° | 32.6° | 45.5° | 3.85" |
| May | 69.7° | 43.0° | 56.3° | 3.83" |
| June | 77.0° | 52.7° | 64.9° | 4.07" |
| July | 81.2° | 57.2° | 69.2° | 4.46" |
| August | 79.8° | 56.4° | 68.1° | 3.86" |
| September | 73.2° | 49.8° | 61.5° | 4.28" |
| October | 61.0° | 38.2° | 49.6° | 3.71" |
| November | 48.3° | 28.9° | 38.6° | 3.32" |
| December | 36.9° | 22.2° | 29.6° | 3.30" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station STEVENSON DAM, PA US (ID: USC00368469) • 6.9 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 | 50.0 | 61.1 | 38.9 |
| 2011 | 50.0 | 60.5 | 39.4 |
| 2012 | 51.7 | 62.6 | 40.9 |
| 2013 | 48.1 | 58.7 | 37.6 |
| 2014 | 45.9 | 57.3 | 34.6 |
| 2015 | 47.4 | 58.9 | 36.0 |
| 2016 | 48.8 | 60.3 | 37.3 |
| 2017 | 48.4 | 59.2 | 37.6 |
| 2018 | 47.5 | 57.4 | 37.5 |
| 2019 | 47.4 | 58.0 | 36.8 |
| 2020 | 48.8 | 60.0 | 37.7 |
| 2021 | 50.4 | 61.1 | 39.6 |
| 2022 | 48.6 | 60.6 | 36.6 |
| 2023 | 50.5 | 61.4 | 39.5 |
| 2024 | 51.1 | 62.0 | 40.2 |
| 2025 | 49.0 | 60.2 | 37.7 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.