City Rankings
Philadelphia, Pennsylvania
Average Temperature Rankings, December 1999
Period | Value | 1991-2020 Mean | Anomaly | Rank (1940-2022) | Warmest/Coolest Since | Record |
---|---|---|---|---|---|---|
December 1999 1-Month | 39.3°F (4.1°C) | 38.2°F (3.4°C) | 1.1°F (0.7°C) | 67th Coolest | Coolest since: | 1989 |
17th Warmest | Warmest since: | 2015 | ||||
Nov– 2-Month | 44.8°F (7.1°C) | 42.6°F (5.9°C) | 2.2°F (1.2°C) | 77th Coolest | Coolest since: | 1989 |
6th Warmest | Warmest since: | 2015 | ||||
Ties: 1982, 2021 | ||||||
Oct– 3-Month | 48.3°F (9.1°C) | 47.6°F (8.7°C) | 0.7°F (0.4°C) | 67th Coolest | Coolest since: | 1976 |
16th Warmest | Warmest since: | 2015 | ||||
Ties: 2012 | ||||||
Sep– 4-Month | 53.6°F (12.0°C) | 53.1°F (11.7°C) | 0.5°F (0.3°C) | 65th Coolest | Coolest since: | 1976 |
18th Warmest | Warmest since: | 2015 | ||||
Ties: 2014 | ||||||
Aug– 5-Month | 58.2°F (14.6°C) | 57.8°F (14.3°C) | 0.4°F (0.3°C) | 66th Coolest | Coolest since: | 1976 |
17th Warmest | Warmest since: | 2015 | ||||
Jul– 6-Month | 61.9°F (16.6°C) | 61.2°F (16.2°C) | 0.7°F (0.4°C) | 68th Coolest | Coolest since: | 1976 |
15th Warmest | Warmest since: | 2015 | ||||
Jun– 7-Month | 63.4°F (17.4°C) | 62.9°F (17.2°C) | 0.5°F (0.2°C) | 67th Coolest | Coolest since: | 1976 |
15th Warmest | Warmest since: | 2015 | ||||
Ties: 1971, 2017 | ||||||
May– 8-Month | 63.4°F (17.4°C) | 63.0°F (17.2°C) | 0.4°F (0.2°C) | 67th Coolest | Coolest since: | 1976 |
15th Warmest | Warmest since: | 2015 | ||||
Apr– 9-Month | 62.2°F (16.8°C) | 62.0°F (16.7°C) | 0.2°F (0.1°C) | 65th Coolest | Coolest since: | 1967 |
17th Warmest | Warmest since: | 2015 | ||||
Mar– 10-Month | 60.2°F (15.7°C) | 60.1°F (15.6°C) | 0.1°F (0.1°C) | 64th Coolest | Coolest since: | 1967 |
17th Warmest | Warmest since: | 2015 | ||||
Feb– 11-Month | 58.1°F (14.5°C) | 57.9°F (14.4°C) | 0.2°F (0.1°C) | 64th Coolest | Coolest since: | 1967 |
17th Warmest | Warmest since: | 2012 | ||||
Jan– 12-Month | 56.1°F (13.4°C) | 55.9°F (13.3°C) | 0.2°F (0.1°C) | 63rd Coolest | Coolest since: | 1958 |
18th Warmest | Warmest since: | 2012 | ||||
Ties: 2001 | ||||||
Jul 1998– 18-Month | 58.1°F (14.5°C) | 57.6°F (14.2°C) | 0.5°F (0.3°C) | 67th Coolest | Coolest since: | 1963 |
13th Warmest | Warmest to Date | 2016 | ||||
Ties: 2010 | ||||||
Jan 1998– 24-Month | 56.8°F (13.8°C) | 55.8°F (13.2°C) | 1.0°F (0.6°C) | 67th Coolest | Coolest since: | 1963 |
11th Warmest | Warmest to Date | 2021 | ||||
Jan 1997– 36-Month | 55.9°F (13.3°C) | 55.8°F (13.2°C) | 0.1°F (0.1°C) | 59th Coolest | Coolest since: | 1963 |
16th Warmest | Warmest to Date | 2021 | ||||
Jan 1996– 48-Month | 55.2°F (12.9°C) | 55.7°F (13.2°C) | -0.5°F (-0.3°C) | 49th Coolest | Coolest since: | 1963, 1969 |
23rd Warmest | Warmest since: | 2022 | ||||
Ties: 1955 | ||||||
Jan 1995– 60-Month | 55.0°F (12.8°C) | 55.7°F (13.2°C) | -0.7°F (-0.4°C) | 45th Coolest | Coolest since: | 1967, 1969, 1970 |
24th Warmest | Warmest since: | 2020, 2021 | ||||
Ties: 1953 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: City Rankings, published May 2023, retrieved on June 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/city/rankings