NOAA's National Centers for Environmental Information
County Rankings
Chester County, Pennsylvania
December 1911 Average Temperature Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
|---|---|---|---|---|---|---|
| December 1911 1-Month | 36.5°F (2.5°C) | 32.3°F (0.2°C) | 4.2°F | 110th Coolest | Coolest since: | 1989 |
| 21st Warmest | Warmest to Date | 2015 | ||||
| Nov– 2-Month | 37.6°F (3.1°C) | 37.4°F (3.0°C) | 0.2°F | 54th Coolest | Coolest since: | 1917 |
| 77th Warmest | Warmest since: | 2015 | ||||
| Oct– 3-Month | 42.8°F (6.0°C) | 42.9°F (6.1°C) | -0.1°F | 51st Coolest | Coolest since: | 1917 |
| 80th Warmest | Warmest since: | 2015 | ||||
| Sep– 4-Month | 48.5°F (9.2°C) | 48.4°F (9.1°C) | 0.1°F | 50th Coolest | Coolest since: | 1917 |
| 81st Warmest | Warmest since: | 2015 | ||||
| Aug– 5-Month | 53.1°F (11.7°C) | 53.1°F (11.7°C) | 0.0°F | 50th Coolest | Coolest since: | 1917 |
| 81st Warmest | Warmest since: | 2015 | ||||
| Jul– 6-Month | 56.9°F (13.8°C) | 56.6°F (13.7°C) | 0.3°F | 69th Coolest | Coolest since: | 1917 |
| 62nd Warmest | Warmest since: | 2015 | ||||
| Jun– 7-Month | 58.5°F (14.7°C) | 58.3°F (14.6°C) | 0.2°F | 51st Coolest | Coolest since: | 1917 |
| 80th Warmest | Warmest since: | 2015 | ||||
| May– 8-Month | 59.5°F (15.3°C) | 58.6°F (14.8°C) | 0.9°F | 87th Coolest | Coolest since: | 1917 |
| 44th Warmest | Warmest since: | 2015 | ||||
| Apr– 9-Month | 58.0°F (14.4°C) | 57.7°F (14.3°C) | 0.3°F | 67th Coolest | Coolest since: | 1917 |
| 64th Warmest | Warmest since: | 2015 | ||||
| Mar– 10-Month | 55.9°F (13.3°C) | 55.9°F (13.3°C) | 0.0°F | 52nd Coolest | Coolest since: | 1917 |
| 79th Warmest | Warmest since: | 2011 | ||||
| Feb– 11-Month | 53.5°F (11.9°C) | 53.6°F (12.0°C) | -0.1°F | 50th Coolest | Coolest since: | 1904 |
| 81st Warmest | Warmest since: | 2012, 2024 | ||||
| Jan– 12-Month | 51.7°F (10.9°C) | 51.5°F (10.8°C) | 0.2°F | 67th Coolest | Coolest since: | 1904 |
| 64th Warmest | Warmest since: | 2012 | ||||
| Jul 1910– 18-Month | 52.7°F (11.5°C) | 53.2°F (11.8°C) | -0.5°F | 25th Coolest | Coolest since: | 1904 |
| 105th Warmest | Warmest since: | 2012 | ||||
| Jan 1910– 24-Month | 51.2°F (10.7°C) | 51.5°F (10.8°C) | -0.3°F | 32nd Coolest | Coolest since: | 1905 |
| 98th Warmest | Warmest since: | 2012, 2024 | ||||
| Jan 1909– 36-Month | 51.1°F (10.6°C) | 51.5°F (10.8°C) | -0.4°F | 31st Coolest | Coolest since: | 1905 |
| 98th Warmest | Warmest since: | 2012 | ||||
| Ties: 1910 | ||||||
| Jan 1908– 48-Month | 51.2°F (10.7°C) | 51.5°F (10.8°C) | -0.3°F | 30th Coolest | Coolest since: | 1907 |
| 98th Warmest | Warmest since: | 2023, 2024 | ||||
| Jan 1907– 60-Month | 50.8°F (10.4°C) | 51.5°F (10.8°C) | -0.7°F | 12th Coolest | Coolest since: | 1907 |
| 115th 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
