NOAA's National Centers for Environmental Information
County Rankings
Chester County, Pennsylvania
December 1915 Average Temperature Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
|---|---|---|---|---|---|---|
| December 1915 1-Month | 29.8°F (-1.2°C) | 32.3°F (0.2°C) | -2.5°F | 24th Coolest | Coolest since: | 1989 |
| 107th Warmest | Warmest since: | 2015 | ||||
| Nov– 2-Month | 35.8°F (2.1°C) | 37.4°F (3.0°C) | -1.6°F | 28th Coolest | Coolest since: | 1917 |
| 103rd Warmest | Warmest since: | 2015 | ||||
| Oct– 3-Month | 42.3°F (5.7°C) | 42.9°F (6.1°C) | -0.6°F | 42nd Coolest | Coolest since: | 1917 |
| 89th Warmest | Warmest since: | 2015 | ||||
| Sep– 4-Month | 48.7°F (9.3°C) | 48.4°F (9.1°C) | 0.3°F | 57th Coolest | Coolest since: | 1917 |
| 74th Warmest | Warmest since: | 2015 | ||||
| Aug– 5-Month | 52.8°F (11.6°C) | 53.1°F (11.7°C) | -0.3°F | 42nd Coolest | Coolest since: | 1917 |
| 89th Warmest | Warmest since: | 2015 | ||||
| Jul– 6-Month | 56.1°F (13.4°C) | 56.6°F (13.7°C) | -0.5°F | 31st Coolest | Coolest since: | 1917 |
| 100th Warmest | Warmest since: | 2015 | ||||
| Jun– 7-Month | 57.7°F (14.3°C) | 58.3°F (14.6°C) | -0.6°F | 27th Coolest | Coolest since: | 1917 |
| 104th Warmest | Warmest since: | 2015 | ||||
| May– 8-Month | 57.6°F (14.2°C) | 58.6°F (14.8°C) | -1.0°F | 18th Coolest | Coolest since: | 1917 |
| 113th Warmest | Warmest since: | 2015 | ||||
| Apr– 9-Month | 57.3°F (14.1°C) | 57.7°F (14.3°C) | -0.4°F | 33rd Coolest | Coolest since: | 1917 |
| 98th Warmest | Warmest since: | 2015 | ||||
| Mar– 10-Month | 55.0°F (12.8°C) | 55.9°F (13.3°C) | -0.9°F | 20th Coolest | Coolest since: | 1917 |
| 111th Warmest | Warmest since: | 2011 | ||||
| Feb– 11-Month | 53.1°F (11.7°C) | 53.6°F (12.0°C) | -0.5°F | 32nd Coolest | Coolest since: | 1904 |
| 99th Warmest | Warmest since: | 2012, 2024 | ||||
| Ties: 1899, 1902 | ||||||
| Jan– 12-Month | 51.3°F (10.7°C) | 51.5°F (10.8°C) | -0.2°F | 43rd Coolest | Coolest since: | 1904 |
| 88th Warmest | Warmest since: | 2012 | ||||
| Jul 1914– 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 1914– 24-Month | 50.7°F (10.4°C) | 51.5°F (10.8°C) | -0.8°F | 14th Coolest | Coolest since: | 1905 |
| 116th Warmest | Warmest since: | 2012, 2024 | ||||
| Jan 1913– 36-Month | 51.5°F (10.8°C) | 51.5°F (10.8°C) | 0.0°F | 52nd Coolest | Coolest since: | 1905 |
| 77th Warmest | Warmest since: | 2012 | ||||
| Jan 1912– 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 1911– 60-Month | 51.3°F (10.7°C) | 51.5°F (10.8°C) | -0.2°F | 38th Coolest | Coolest since: | 1907 |
| 89th 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
