NOAA's National Centers for Environmental Information
County Rankings
Chester County, Pennsylvania
December 2003 Average Temperature Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
|---|---|---|---|---|---|---|
| December 2003 1-Month | 34.7°F (1.5°C) | 32.3°F (0.2°C) | 2.4°F | 83rd Coolest | Coolest since: | 1989 |
| 48th Warmest | Warmest since: | 2015 | ||||
| Ties: 1978 | ||||||
| Nov– 2-Month | 41.7°F (5.4°C) | 37.4°F (3.0°C) | 4.3°F | 119th Coolest | Coolest since: | 1917 |
| 12th Warmest | Warmest since: | 2015 | ||||
| Oct– 3-Month | 45.3°F (7.4°C) | 42.9°F (6.1°C) | 2.4°F | 107th Coolest | Coolest since: | 1917 |
| 24th Warmest | Warmest since: | 2015 | ||||
| Sep– 4-Month | 50.7°F (10.4°C) | 48.4°F (9.1°C) | 2.3°F | 108th Coolest | Coolest since: | 1917 |
| 23rd Warmest | Warmest since: | 2015 | ||||
| Ties: 1973, 1984, 1994 | ||||||
| Aug– 5-Month | 55.7°F (13.2°C) | 53.1°F (11.7°C) | 2.6°F | 116th Coolest | Coolest since: | 1917 |
| 15th Warmest | Warmest since: | 2015 | ||||
| Jul– 6-Month | 58.8°F (14.9°C) | 56.6°F (13.7°C) | 2.2°F | 111th Coolest | Coolest since: | 1917 |
| 20th Warmest | Warmest since: | 2015 | ||||
| Ties: 1990 | ||||||
| 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 | ||||
| Ties: 2002 | ||||||
| May– 8-Month | 59.8°F (15.4°C) | 58.6°F (14.8°C) | 1.2°F | 95th Coolest | Coolest since: | 1917 |
| 36th Warmest | Warmest since: | 2015 | ||||
| Apr– 9-Month | 58.7°F (14.8°C) | 57.7°F (14.3°C) | 1.0°F | 93rd Coolest | Coolest since: | 1917 |
| 38th Warmest | Warmest since: | 2015 | ||||
| Ties: 1957, 1987 | ||||||
| Mar– 10-Month | 57.0°F (13.9°C) | 55.9°F (13.3°C) | 1.1°F | 94th Coolest | Coolest since: | 1917 |
| 37th Warmest | Warmest since: | 2011 | ||||
| Ties: 1913, 1941 | ||||||
| Feb– 11-Month | 54.3°F (12.4°C) | 53.6°F (12.0°C) | 0.7°F | 87th Coolest | Coolest since: | 1904 |
| 44th Warmest | Warmest since: | 2012, 2024 | ||||
| Ties: 1971, 1984 | ||||||
| Jan– 12-Month | 51.9°F (11.1°C) | 51.5°F (10.8°C) | 0.4°F | 76th Coolest | Coolest since: | 1904 |
| 55th Warmest | Warmest since: | 2012 | ||||
| Ties: 1906, 1930, 1951, 1994, 1997 | ||||||
| Jul 2002– 18-Month | 54.0°F (12.2°C) | 53.2°F (11.8°C) | 0.8°F | 90th Coolest | Coolest since: | 1904 |
| 40th Warmest | Warmest since: | 2012 | ||||
| Ties: 1900 | ||||||
| Jan 2002– 24-Month | 53.1°F (11.7°C) | 51.5°F (10.8°C) | 1.6°F | 108th Coolest | Coolest since: | 1905 |
| 22nd Warmest | Warmest since: | 2012, 2024 | ||||
| Jan 2001– 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 2000– 48-Month | 53.0°F (11.7°C) | 51.5°F (10.8°C) | 1.5°F | 103rd Coolest | Coolest since: | 1907 |
| 25th Warmest | Warmest since: | 2023, 2024 | ||||
| Ties: 1993, 1999 | ||||||
| Jan 1999– 60-Month | 53.2°F (11.8°C) | 51.5°F (10.8°C) | 1.7°F | 104th Coolest | Coolest since: | 1907 |
| 23rd Warmest | Warmest since: | 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
