National Rankings

National Data Info
Please note, Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Contiguous U.S.

December 2018 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 2018
1-Month
35.51°F
(1.95°C)
32.68°F
(0.38°C)
2.83°F103rd Coolest
Coolest since:
1983
28th Warmest
Warmest since:
2023
Nov–Dec 2018
2-Month
37.76°F
(3.20°C)
37.19°F
(2.88°C)
0.57°F72nd Coolest
Coolest since:
2000
59th Warmest
Warmest since:
2021
Ties: 1907
Oct–Dec 2018
3-Month
43.08°F
(6.16°C)
42.82°F
(6.01°C)
0.26°F62nd Coolest
Coolest since:
1898
69th Warmest
Warmest since:
2024
Sep–Dec 2018
4-Month
49.19°F
(9.55°C)
48.33°F
(9.07°C)
0.86°F91st Coolest
Coolest since:
1976
40th Warmest
Warmest since:
2024
Aug–Dec 2018
5-Month
54.05°F
(12.25°C)
53.08°F
(11.71°C)
0.97°F98th Coolest
Coolest since:
1976
33rd Warmest
Warmest since:
2024
Jul–Dec 2018
6-Month
57.61°F
(14.23°C)
56.50°F
(13.61°C)
1.11°F104th Coolest
Coolest since:
1976
27th Warmest
Warmest since:
2024
Jun–Dec 2018
7-Month
59.60°F
(15.33°C)
58.21°F
(14.56°C)
1.39°F111th Coolest
Coolest since:
1976
20th Warmest
Warmest since:
2024
Ties: 2003
May–Dec 2018
8-Month
60.34°F
(15.74°C)
58.45°F
(14.69°C)
1.89°F120th Coolest
Coolest since:
1976
11th Warmest
Warmest since:
2024
Apr–Dec 2018
9-Month
59.08°F
(15.04°C)
57.63°F
(14.24°C)
1.45°F114th Coolest
Coolest since:
1917
17th Warmest
Warmest since:
2024
Mar–Dec 2018
10-Month
57.44°F
(14.13°C)
56.02°F
(13.34°C)
1.42°F114th Coolest
Coolest since:
1917
17th Warmest
Warmest since:
2024
Feb–Dec 2018
11-Month
55.45°F
(13.03°C)
54.00°F
(12.22°C)
1.45°F114th Coolest
Coolest since:
1917
17th Warmest
Warmest since:
2024
Jan–Dec 2018
12-Month
53.51°F
(11.95°C)
52.01°F
(11.12°C)
1.50°F113th Coolest
Coolest since:
1917
18th Warmest
Warmest since:
2024
Jul 2017–Dec 2018
18-Month
55.06°F
(12.81°C)
53.51°F
(11.95°C)
1.55°F117th Coolest
Coolest since:
1917
13th Warmest
Warmest since:
2024
Jan 2017–Dec 2018
24-Month
54.02°F
(12.23°C)
52.01°F
(11.12°C)
2.01°F123rd Coolest
Coolest since:
1917
7th Warmest
Warmest since:
2024
Jan 2016–Dec 2018
36-Month
54.32°F
(12.40°C)
52.00°F
(11.11°C)
2.32°F126th Coolest
Coolest since:
1917
3rd Warmest
Warmest since:
2017
Jan 2015–Dec 2018
48-Month
54.33°F
(12.41°C)
51.98°F
(11.10°C)
2.35°F126th Coolest
Coolest since:
1917, 1918
2nd WarmestWarmest to Date2024
Jan 2014–Dec 2018
60-Month
53.97°F
(12.21°C)
51.98°F
(11.10°C)
1.99°F123rd Coolest
Coolest since:
1920
4th WarmestWarmest to Date2024

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