Regional Rankings

Regional Data Info
Please note, Degree Days are not available for Great Plains, Souther Plains and Gulf Coast, Rockies and Westward, River Basins, or Agricultural Belts. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Northwest

December 2021 Average Temperature Rankings

View Period (Months):
  • Record Coolest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Warmest
PeriodValue
1901-2000
Mean		AnomalyRank
(1895-2025)
Coolest/Warmest
Since		Record
December 2021
1-Month
29.6°F
(-1.3°C)
28.8°F
(-1.8°C)
0.8°F74th Coolest
Coolest since:
1990
57th Warmest
Warmest since:
1917
Ties: 2015
Nov–Dec 2021
2-Month
34.6°F
(1.4°C)
32.1°F
(0.1°C)
2.5°F109th Coolest
Coolest since:
1985
22nd Warmest
Warmest since:
1917
Ties: 1989, 2019
Oct–Dec 2021
3-Month
38.6°F
(3.7°C)
36.9°F
(2.7°C)
1.7°F106th Coolest
Coolest since:
1985
25th Warmest
Warmest since:
1917
Sep–Dec 2021
4-Month
43.5°F
(6.4°C)
41.8°F
(5.4°C)
1.7°F109th Coolest
Coolest since:
1985
22nd Warmest
Warmest since:
1917
Ties: 1974, 1991
Aug–Dec 2021
5-Month
47.9°F
(8.8°C)
46.1°F
(7.8°C)
1.8°F110th Coolest
Coolest since:
1985
21st Warmest
Warmest since:
2024
Ties: 1904, 1998
Jul–Dec 2021
6-Month
51.8°F
(11.0°C)
49.2°F
(9.6°C)
2.6°F126th Coolest
Coolest since:
1985
5th Warmest
Warmest since:
2024
Jun–Dec 2021
7-Month
53.6°F
(12.0°C)
50.4°F
(10.2°C)
3.2°F129th Coolest
Coolest since:
1916
2nd WarmestWarmest to Date2024
May–Dec 2021
8-Month
53.4°F
(11.9°C)
50.4°F
(10.2°C)
3.0°F129th Coolest
Coolest since:
1916
2nd WarmestWarmest to Date2023
Apr–Dec 2021
9-Month
52.5°F
(11.4°C)
49.6°F
(9.8°C)
2.9°F130th Coolest
Coolest since:
1916
1st WarmestWarmest to Date2021
Mar–Dec 2021
10-Month
51.0°F
(10.6°C)
48.3°F
(9.1°C)
2.7°F128th Coolest
Coolest since:
1916
3rd Warmest
Warmest since:
2015
Feb–Dec 2021
11-Month
49.1°F
(9.5°C)
46.7°F
(8.2°C)
2.4°F126th Coolest
Coolest since:
1955
5th Warmest
Warmest since:
2015
Ties: 2014
Jan–Dec 2021
12-Month
47.7°F
(8.7°C)
45.1°F
(7.3°C)
2.6°F127th Coolest
Coolest since:
1916
4th Warmest
Warmest since:
2015
Jul 2020–Dec 2021
18-Month
49.0°F
(9.4°C)
46.5°F
(8.1°C)
2.5°F126th Coolest
Coolest since:
1985
4th Warmest
Warmest since:
2015
Jan 2020–Dec 2021
24-Month
47.4°F
(8.6°C)
45.1°F
(7.3°C)
2.3°F127th Coolest
Coolest since:
1917
3rd Warmest
Warmest since:
2015
Jan 2019–Dec 2021
36-Month
46.8°F
(8.2°C)
45.1°F
(7.3°C)
1.7°F119th Coolest
Coolest since:
1913
10th Warmest
Warmest since:
2016
Ties: 2004
Jan 2018–Dec 2021
48-Month
46.8°F
(8.2°C)
45.1°F
(7.3°C)
1.7°F121st Coolest
Coolest since:
1913, 1914
7th Warmest
Warmest since:
2016, 2017
Ties: 2006
Jan 2017–Dec 2021
60-Month
46.8°F
(8.2°C)
45.0°F
(7.2°C)
1.8°F120th Coolest
Coolest since:
1913
7th Warmest
Warmest since:
2018
Ties: 2007

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