NOAA's National Centers for Environmental Information
County Rankings
Chester County, Pennsylvania
December 1970 Average Temperature Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Coolest/Warmest Since | Record |
|---|---|---|---|---|---|---|
| December 1970 1-Month | 32.9°F (0.5°C) | 32.3°F (0.2°C) | 0.6°F | 58th Coolest | Coolest since: | 1989 |
| 73rd Warmest | Warmest since: | 2015 | ||||
| Ties: 1938 | ||||||
| Nov– 2-Month | 38.8°F (3.8°C) | 37.4°F (3.0°C) | 1.4°F | 80th Coolest | Coolest since: | 1917 |
| 51st Warmest | Warmest since: | 2015 | ||||
| Oct– 3-Month | 44.6°F (7.0°C) | 42.9°F (6.1°C) | 1.7°F | 90th Coolest | Coolest since: | 1917 |
| 41st Warmest | Warmest since: | 2015 | ||||
| Sep– 4-Month | 50.5°F (10.3°C) | 48.4°F (9.1°C) | 2.1°F | 101st Coolest | Coolest since: | 1917 |
| 30th Warmest | Warmest since: | 2015 | ||||
| Aug– 5-Month | 54.9°F (12.7°C) | 53.1°F (11.7°C) | 1.8°F | 102nd Coolest | Coolest since: | 1917 |
| 29th Warmest | Warmest since: | 2015 | ||||
| Jul– 6-Month | 58.1°F (14.5°C) | 56.6°F (13.7°C) | 1.5°F | 101st Coolest | Coolest since: | 1917 |
| 30th Warmest | Warmest since: | 2015 | ||||
| Jun– 7-Month | 59.6°F (15.3°C) | 58.3°F (14.6°C) | 1.3°F | 96th Coolest | Coolest since: | 1917 |
| 35th Warmest | Warmest since: | 2015 | ||||
| May– 8-Month | 60.0°F (15.6°C) | 58.6°F (14.8°C) | 1.4°F | 101st Coolest | Coolest since: | 1917 |
| 30th Warmest | Warmest since: | 2015 | ||||
| Apr– 9-Month | 58.8°F (14.9°C) | 57.7°F (14.3°C) | 1.1°F | 96th Coolest | Coolest since: | 1917 |
| 35th Warmest | Warmest since: | 2015 | ||||
| Mar– 10-Month | 56.5°F (13.6°C) | 55.9°F (13.3°C) | 0.6°F | 82nd Coolest | Coolest since: | 1917 |
| 49th Warmest | Warmest since: | 2011 | ||||
| Feb– 11-Month | 54.1°F (12.3°C) | 53.6°F (12.0°C) | 0.5°F | 77th Coolest | Coolest since: | 1904 |
| 54th Warmest | Warmest since: | 2012, 2024 | ||||
| Jan– 12-Month | 51.4°F (10.8°C) | 51.5°F (10.8°C) | -0.1°F | 51st Coolest | Coolest since: | 1904 |
| 80th Warmest | Warmest since: | 2012 | ||||
| Jul 1969– 18-Month | 52.8°F (11.6°C) | 53.2°F (11.8°C) | -0.4°F | 31st Coolest | Coolest since: | 1904 |
| 99th Warmest | Warmest since: | 2012 | ||||
| Jan 1969– 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 | ||||
| Ties: 1897, 1909, 1911, 1928, 1929, 1958 | ||||||
| Jan 1968– 36-Month | 51.3°F (10.7°C) | 51.5°F (10.8°C) | -0.2°F | 41st Coolest | Coolest since: | 1905 |
| 88th Warmest | Warmest since: | 2012 | ||||
| Jan 1967– 48-Month | 51.0°F (10.6°C) | 51.5°F (10.8°C) | -0.5°F | 25th Coolest | Coolest since: | 1907 |
| 103rd Warmest | Warmest since: | 2023, 2024 | ||||
| Jan 1966– 60-Month | 51.0°F (10.6°C) | 51.5°F (10.8°C) | -0.5°F | 22nd Coolest | Coolest since: | 1907 |
| 105th Warmest | Warmest since: | 2024 | ||||
| Ties: 1912, 1916, 1968, 1969 | ||||||
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
