NOAA's National Centers for Environmental Information
County Rankings
Chester County, Pennsylvania
December 2012 Average Temperature Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
|---|---|---|---|---|---|---|
| December 2012 1-Month | 39.9°F (4.4°C) | 32.3°F (0.2°C) | 7.6°F | 124th Coolest | Coolest since: | 1989 |
| 7th Warmest | Warmest since: | 2015 | ||||
| Nov– 2-Month | 40.3°F (4.6°C) | 37.4°F (3.0°C) | 2.9°F | 105th Coolest | Coolest since: | 1917 |
| 26th Warmest | Warmest since: | 2015 | ||||
| Ties: 1971 | ||||||
| Oct– 3-Month | 45.4°F (7.4°C) | 42.9°F (6.1°C) | 2.5°F | 109th Coolest | Coolest since: | 1917 |
| 22nd Warmest | Warmest since: | 2015 | ||||
| Ties: 1900 | ||||||
| Sep– 4-Month | 50.6°F (10.3°C) | 48.4°F (9.1°C) | 2.2°F | 104th Coolest | Coolest since: | 1917 |
| 27th Warmest | Warmest since: | 2015 | ||||
| Aug– 5-Month | 55.4°F (13.0°C) | 53.1°F (11.7°C) | 2.3°F | 111th Coolest | Coolest since: | 1917 |
| 20th Warmest | Warmest since: | 2015 | ||||
| Ties: 1973 | ||||||
| Jul– 6-Month | 59.2°F (15.1°C) | 56.6°F (13.7°C) | 2.6°F | 114th Coolest | Coolest since: | 1917 |
| 17th Warmest | Warmest since: | 2015 | ||||
| Jun– 7-Month | 60.7°F (15.9°C) | 58.3°F (14.6°C) | 2.4°F | 115th Coolest | Coolest since: | 1917 |
| 16th Warmest | Warmest since: | 2015 | ||||
| Ties: 1998 | ||||||
| May– 8-Month | 61.4°F (16.3°C) | 58.6°F (14.8°C) | 2.8°F | 122nd Coolest | Coolest since: | 1917 |
| 9th Warmest | Warmest since: | 2015 | ||||
| Apr– 9-Month | 60.3°F (15.7°C) | 57.7°F (14.3°C) | 2.6°F | 122nd Coolest | Coolest since: | 1917 |
| 9th Warmest | Warmest since: | 2015 | ||||
| Mar– 10-Month | 59.3°F (15.2°C) | 55.9°F (13.3°C) | 3.4°F | 128th Coolest | Coolest since: | 1917 |
| 3rd Warmest | Warmest since: | 2011 | ||||
| Feb– 11-Month | 57.3°F (14.1°C) | 53.6°F (12.0°C) | 3.7°F | 130th Coolest | Coolest since: | 1904 |
| 1st Warmest | Warmest to Date | 2012, 2024 | ||||
| Jan– 12-Month | 55.5°F (13.1°C) | 51.5°F (10.8°C) | 4.0°F | 130th Coolest | Coolest since: | 1904 |
| 1st Warmest | Warmest to Date | 2012 | ||||
| Jul 2011– 18-Month | 57.2°F (14.0°C) | 53.2°F (11.8°C) | 4.0°F | 129th Coolest | Coolest since: | 1904 |
| 1st Warmest | Warmest to Date | 2012 | ||||
| Jan 2011– 24-Month | 55.1°F (12.8°C) | 51.5°F (10.8°C) | 3.6°F | 129th Coolest | Coolest since: | 1905 |
| 1st Warmest | Warmest to Date | 2012, 2024 | ||||
| Jan 2010– 36-Month | 54.8°F (12.7°C) | 51.5°F (10.8°C) | 3.3°F | 128th Coolest | Coolest since: | 1905 |
| 1st Warmest | Warmest to Date | 2012 | ||||
| Jan 2009– 48-Month | 54.3°F (12.4°C) | 51.5°F (10.8°C) | 2.8°F | 122nd Coolest | Coolest since: | 1907 |
| 6th Warmest | Warmest to Date | 2023, 2024 | ||||
| Jan 2008– 60-Month | 54.1°F (12.3°C) | 51.5°F (10.8°C) | 2.6°F | 121st Coolest | Coolest since: | 1907 |
| 6th Warmest | Warmest to Date | 2024 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Rankings, published March 2025, retrieved on March 13, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/rankings
