Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Pennsylvania

Average Temperature Rankings, December 2021

View Period (Months):
Download: CSV JSON XML
  • Record Coolest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
December 2021
1-Month 		37.6°F
(3.1°C)		 28.9°F
(-1.7°C)		 8.7°F
(4.8°C)		 127th Coolest
Coolest since:
 1989
2nd Warmest
Warmest since:
 2015
Nov–Dec 2021
2-Month 		38.3°F
(3.5°C)		 34.1°F
(1.2°C)		 4.2°F
(2.3°C)		 117th Coolest
Coolest since:
 1917
12th Warmest
Warmest since:
 2015
Oct–Dec 2021
3-Month 		44.8°F
(7.1°C)		 39.6°F
(4.2°C)		 5.2°F
(2.9°C)		 126th Coolest
Coolest since:
 1917
3rd Warmest
Warmest since:
 2015
Sep–Dec 2021
4-Month 		49.7°F
(9.8°C)		 45.2°F
(7.3°C)		 4.5°F
(2.5°C)		 126th Coolest
Coolest since:
 1917
3rd Warmest
Warmest since:
 2015
Aug–Dec 2021
5-Month 		54.2°F
(12.3°C)		 49.8°F
(9.9°C)		 4.4°F
(2.4°C)		 127th Coolest
Coolest since:
 1917
2nd Warmest
Warmest since:
 2015
Ties: 1931
Jul–Dec 2021
6-Month 		57.1°F
(13.9°C)		 53.2°F
(11.8°C)		 3.9°F
(2.1°C)		 126th Coolest
Coolest since:
 1976
3rd Warmest
Warmest since:
 1931, 2015
Jun–Dec 2021
7-Month 		58.7°F
(14.8°C)		 55.1°F
(12.8°C)		 3.6°F
(2.0°C)		 127th Coolest
Coolest since:
 1917
2nd Warmest
Warmest since:
 2015
Ties: 1931
May–Dec 2021
8-Month 		58.5°F
(14.7°C)		 55.4°F
(13.0°C)		 3.1°F
(1.7°C)		 126th Coolest
Coolest since:
 1917
3rd Warmest
Warmest since:
 2015
Ties: 2011
Apr–Dec 2021
9-Month 		57.5°F
(14.2°C)		 54.4°F
(12.4°C)		 3.1°F
(1.8°C)		 127th Coolest
Coolest since:
 1917
2nd Warmest
Warmest since:
 2015
Ties: 2011
Mar–Dec 2021
10-Month 		55.8°F
(13.2°C)		 52.6°F
(11.4°C)		 3.2°F
(1.8°C)		 128th Coolest
Coolest since:
 1917
1st Warmest
Warmest to Date
 2021
Feb–Dec 2021
11-Month 		53.2°F
(11.8°C)		 50.2°F
(10.1°C)		 3.0°F
(1.7°C)		 125th Coolest
Coolest since:
 1917
4th Warmest
Warmest since:
 2012
Jan–Dec 2021
12-Month 		51.2°F
(10.7°C)		 48.1°F
(8.9°C)		 3.1°F
(1.8°C)		 126th Coolest
Coolest since:
 1917
3rd Warmest
Warmest since:
 1998, 2012
Ties: 2020
Jul 2020–Dec 2021
18-Month 		52.9°F
(11.6°C)		 49.8°F
(9.9°C)		 3.1°F
(1.7°C)		 125th Coolest
Coolest since:
 1904
3rd Warmest
Warmest since:
 2012
Jan 2020–Dec 2021
24-Month 		51.2°F
(10.7°C)		 48.1°F
(8.9°C)		 3.1°F
(1.8°C)		 127th Coolest
Coolest since:
 1905
1st Warmest
Warmest to Date
 2021
Jan 2019–Dec 2021
36-Month 		50.7°F
(10.4°C)		 48.1°F
(8.9°C)		 2.6°F
(1.5°C)		 125th Coolest
Coolest since:
 1905, 1926
2nd Warmest
Warmest since:
 2012
Ties: 2022
Jan 2018–Dec 2021
48-Month 		50.5°F
(10.3°C)		 48.1°F
(8.9°C)		 2.4°F
(1.4°C)		 125th Coolest
Coolest since:
 1907
1st Warmest
Warmest to Date
 2021, 2022
Ties: 2022
Jan 2017–Dec 2021
60-Month 		50.5°F
(10.3°C)		 48.1°F
(8.9°C)		 2.4°F
(1.4°C)		 124th Coolest
Coolest since:
 1905, 1907
1st Warmest
Warmest since:
 2020, 2021
Ties: 2020

Citing This Page