Climate at a Glance
Statewide Rankings
Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of August 2022. For more information, please see Climatological Rankings.
Pennsylvania
Average Temperature Rankings, December 2020
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2021) |
Warmest/Coolest Since |
Record |
|---|---|---|---|---|---|---|
|
December 2020 1-Month |
32.1°F (0.1°C) | 28.9°F (-1.7°C) |
3.2°F (1.8°C) | 96th Coolest | Coolest since: 2017 | 1989 |
| 32nd Warmest | Warmest since: 2019 | 2015 | ||||
| Ties: 1997 | ||||||
|
Nov–Dec 2020 2-Month |
38.4°F (3.6°C) | 34.1°F (1.2°C) |
4.3°F (2.4°C) | 117th Coolest | Coolest since: 2019 | 1917 |
| 11th Warmest | Warmest since: 2015 | 2015 | ||||
| Ties: 2021 | ||||||
|
Oct–Dec 2020 3-Month |
43.0°F (6.1°C) | 39.6°F (4.2°C) |
3.4°F (1.9°C) | 116th Coolest | Coolest since: 2019 | 1917 |
| 12th Warmest | Warmest since: 2015 | 2015 | ||||
| Ties: 1941 | ||||||
|
Sep–Dec 2020 4-Month |
47.8°F (8.8°C) | 45.1°F (7.3°C) |
2.7°F (1.5°C) | 113th Coolest | Coolest since: 2019 | 1917 |
| 15th Warmest | Warmest since: 2016 | 2015 | ||||
|
Aug–Dec 2020 5-Month |
52.6°F (11.4°C) | 49.8°F (9.9°C) |
2.8°F (1.5°C) | 118th Coolest | Coolest since: 2019 | 1917 |
| 10th Warmest | Warmest since: 2016 | 2015 | ||||
|
Jul–Dec 2020 6-Month |
56.3°F (13.5°C) | 53.2°F (11.8°C) |
3.1°F (1.7°C) | 122nd Coolest | Coolest since: 2019 | 1976 |
| 6th Warmest | Warmest since: 2016 | 1931, 2015 | ||||
|
Jun–Dec 2020 7-Month |
57.8°F (14.3°C) | 55.0°F (12.8°C) |
2.8°F (1.5°C) | 122nd Coolest | Coolest since: 2019 | 1917 |
| 6th Warmest | Warmest since: 2016 | 2015 | ||||
| Ties: 1900 | ||||||
|
May–Dec 2020 8-Month |
57.6°F (14.2°C) | 55.4°F (13.0°C) |
2.2°F (1.2°C) | 118th Coolest | Coolest since: 2019 | 1917 |
| 10th Warmest | Warmest since: 2018 | 2015 | ||||
| Ties: 2007 | ||||||
|
Apr–Dec 2020 9-Month |
56.2°F (13.4°C) | 54.4°F (12.4°C) |
1.8°F (1.0°C) | 110th Coolest | Coolest since: 2017 | 1917 |
| 18th Warmest | Warmest since: 2019 | 2015 | ||||
|
Mar–Dec 2020 10-Month |
54.8°F (12.7°C) | 52.5°F (11.4°C) |
2.3°F (1.3°C) | 117th Coolest | Coolest since: 2019 | 1917 |
| 11th Warmest | Warmest since: 2016 | 2021 | ||||
|
Feb–Dec 2020 11-Month |
52.9°F (11.6°C) | 50.2°F (10.1°C) |
2.7°F (1.5°C) | 122nd Coolest | Coolest since: 2019 | 1917 |
| 6th Warmest | Warmest since: 2016 | 2012 | ||||
| Ties: 1991 | ||||||
|
Jan–Dec 2020 12-Month |
51.2°F (10.7°C) | 48.2°F (9.0°C) |
3.0°F (1.7°C) | 125th Coolest | Coolest since: 2019 | 1917 |
| 3rd Warmest | Warmest since: 2012 | 1998, 2012 | ||||
|
Jul 2019–Dec 2020 18-Month |
52.5°F (11.4°C) | 49.9°F (9.9°C) |
2.6°F (1.5°C) | 122nd Coolest | Coolest since: 2019 | 1904 |
| 5th Warmest | Warmest since: 2017 | 2012 | ||||
|
Jan 2019–Dec 2020 24-Month |
50.5°F (10.3°C) | 48.1°F (8.9°C) |
2.4°F (1.4°C) | 121st Coolest | Coolest since: 2019 | 1905 |
| 6th Warmest | Warmest since: 2017 | 2021 | ||||
|
Jan 2018–Dec 2020 36-Month |
50.3°F (10.2°C) | 48.2°F (9.0°C) |
2.1°F (1.2°C) | 121st Coolest | Coolest since: 2019 | 1905, 1926 |
| 5th Warmest | Warmest since: 2018 | 2012 | ||||
| Ties: 2017 | ||||||
|
Jan 2017–Dec 2020 48-Month |
50.3°F (10.2°C) | 48.1°F (8.9°C) |
2.2°F (1.3°C) | 123rd Coolest | Coolest since: 2019 | 1907 |
| 2nd Warmest | Warmest since: 2019 | 2021 | ||||
| Ties: 2013, 2019 | ||||||
|
Jan 2016–Dec 2020 60-Month |
50.5°F (10.3°C) | 48.1°F (8.9°C) |
2.4°F (1.4°C) | 123rd Coolest | Coolest since: 2019 | 1905, 1907 |
| 1st Warmest | Warmest to Date | 2020, 2021 | ||||
| Ties: 2021 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Average Temperature, published September 2022, retrieved on September 26, 2022 from https://www.ncdc.noaa.gov/cag/