NOAA's National Centers for Environmental Information
County Rankings
Chester County, Pennsylvania
December 2002 Average Temperature Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
|---|---|---|---|---|---|---|
| December 2002 1-Month | 31.7°F (-0.2°C) | 32.3°F (0.2°C) | -0.6°F | 50th Coolest | Coolest since: | 1989 |
| 81st Warmest | Warmest since: | 2015 | ||||
| Nov– 2-Month | 37.2°F (2.9°C) | 37.4°F (3.0°C) | -0.2°F | 48th Coolest | Coolest since: | 1917 |
| 83rd Warmest | Warmest since: | 2015 | ||||
| Ties: 1905, 1907, 1936 | ||||||
| Oct– 3-Month | 42.7°F (5.9°C) | 42.9°F (6.1°C) | -0.2°F | 49th Coolest | Coolest since: | 1917 |
| 82nd Warmest | Warmest since: | 2015 | ||||
| Ties: 1932 | ||||||
| Sep– 4-Month | 49.1°F (9.5°C) | 48.4°F (9.1°C) | 0.7°F | 78th Coolest | Coolest since: | 1917 |
| 53rd Warmest | Warmest since: | 2015 | ||||
| Ties: 1918, 1968 | ||||||
| Aug– 5-Month | 54.6°F (12.6°C) | 53.1°F (11.7°C) | 1.5°F | 96th Coolest | Coolest since: | 1917 |
| 35th Warmest | Warmest since: | 2015 | ||||
| Ties: 1979, 1982 | ||||||
| Jul– 6-Month | 58.3°F (14.6°C) | 56.6°F (13.7°C) | 1.7°F | 105th Coolest | Coolest since: | 1917 |
| 26th Warmest | Warmest since: | 2015 | ||||
| Ties: 1941, 1959 | ||||||
| Jun– 7-Month | 60.1°F (15.6°C) | 58.3°F (14.6°C) | 1.8°F | 105th Coolest | Coolest since: | 1917 |
| 26th Warmest | Warmest since: | 2015 | ||||
| May– 8-Month | 60.1°F (15.6°C) | 58.6°F (14.8°C) | 1.5°F | 103rd Coolest | Coolest since: | 1917 |
| 28th Warmest | Warmest since: | 2015 | ||||
| Ties: 1949 | ||||||
| Apr– 9-Month | 59.5°F (15.3°C) | 57.7°F (14.3°C) | 1.8°F | 105th Coolest | Coolest since: | 1917 |
| 26th Warmest | Warmest since: | 2015 | ||||
| Ties: 1994 | ||||||
| Mar– 10-Month | 57.8°F (14.3°C) | 55.9°F (13.3°C) | 1.9°F | 112th Coolest | Coolest since: | 1917 |
| 19th Warmest | Warmest since: | 2011 | ||||
| Feb– 11-Month | 56.0°F (13.3°C) | 53.6°F (12.0°C) | 2.4°F | 116th Coolest | Coolest since: | 1904 |
| 15th Warmest | Warmest since: | 2012, 2024 | ||||
| Jan– 12-Month | 54.3°F (12.4°C) | 51.5°F (10.8°C) | 2.8°F | 118th Coolest | Coolest since: | 1904 |
| 13th Warmest | Warmest since: | 2012 | ||||
| Jul 2001– 18-Month | 56.0°F (13.3°C) | 53.2°F (11.8°C) | 2.8°F | 121st Coolest | Coolest since: | 1904 |
| 9th Warmest | Warmest to Date | 2012 | ||||
| Jan 2001– 24-Month | 53.9°F (12.2°C) | 51.5°F (10.8°C) | 2.4°F | 114th Coolest | Coolest since: | 1905 |
| 16th Warmest | Warmest since: | 2012, 2024 | ||||
| Jan 2000– 36-Month | 53.3°F (11.8°C) | 51.5°F (10.8°C) | 1.8°F | 111th Coolest | Coolest since: | 1905 |
| 18th Warmest | Warmest since: | 2012 | ||||
| Jan 1999– 48-Month | 53.5°F (11.9°C) | 51.5°F (10.8°C) | 2.0°F | 111th Coolest | Coolest since: | 1907 |
| 17th Warmest | Warmest since: | 2023, 2024 | ||||
| Jan 1998– 60-Month | 53.8°F (12.1°C) | 51.5°F (10.8°C) | 2.3°F | 118th Coolest | Coolest since: | 1907 |
| 9th 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
