Climate at a Glance

National 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 2021. For more information, please see Climatological Rankings.


Contiguous U.S.

Minimum Temperature Rankings, December 1998

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
December 1998
1-Month
25.11°F
(-3.83°C)
22.60°F
(-5.22°C)
2.51°F
(1.39°C)
97th Coolest Coolest since: 1997 1909
30th Warmest Warmest since: 1994 2015
Ties: 1999
Nov–Dec 1998
2-Month
30.08°F
(-1.07°C)
26.64°F
(-2.98°C)
3.44°F
(1.91°C)
123rd Coolest Coolest since: 1997 1976
4th Warmest Warmest to Date 2015
Oct–Dec 1998
3-Month
34.49°F
(1.38°C)
31.56°F
(-0.24°C)
2.93°F
(1.62°C)
124th Coolest Coolest since: 1997 1976
3rd Warmest Warmest to Date 2015
Sep–Dec 1998
4-Month
39.87°F
(4.37°C)
36.65°F
(2.58°C)
3.22°F
(1.79°C)
124th Coolest Coolest since: 1997 1976
3rd Warmest Warmest to Date 2015
Aug–Dec 1998
5-Month
44.11°F
(6.73°C)
41.13°F
(5.07°C)
2.98°F
(1.66°C)
124th Coolest Coolest since: 1997 1976
3rd Warmest Warmest to Date 2015
Jul–Dec 1998
6-Month
47.24°F
(8.47°C)
44.36°F
(6.87°C)
2.88°F
(1.60°C)
124th Coolest Coolest since: 1997 1976
3rd Warmest Warmest to Date 2015
Jun–Dec 1998
7-Month
48.48°F
(9.16°C)
45.97°F
(7.76°C)
2.51°F
(1.40°C)
124th Coolest Coolest since: 1997 1976
3rd Warmest Warmest to Date 2015
May–Dec 1998
8-Month
48.64°F
(9.24°C)
46.16°F
(7.87°C)
2.48°F
(1.37°C)
123rd Coolest Coolest since: 1997 1976
4th Warmest Warmest to Date 2015
Apr–Dec 1998
9-Month
47.53°F
(8.63°C)
45.32°F
(7.40°C)
2.21°F
(1.23°C)
124th Coolest Coolest since: 1997 1917
3rd Warmest Warmest to Date 2015
Mar–Dec 1998
10-Month
45.86°F
(7.70°C)
43.78°F
(6.54°C)
2.08°F
(1.16°C)
123rd Coolest Coolest since: 1997 1917
4th Warmest Warmest to Date 2015
Feb–Dec 1998
11-Month
44.38°F
(6.88°C)
41.88°F
(5.49°C)
2.50°F
(1.39°C)
122nd Coolest Coolest since: 1997 1917
5th Warmest Warmest to Date 2016
Jan–Dec 1998
12-Month
42.82°F
(6.01°C)
40.03°F
(4.46°C)
2.79°F
(1.55°C)
124th Coolest Coolest since: 1997 1917
3rd Warmest Warmest to Date 2016
Jul 1997–Dec 1998
18-Month
43.61°F
(6.45°C)
41.48°F
(5.27°C)
2.13°F
(1.18°C)
121st Coolest Coolest since: 1997 1917
5th Warmest Warmest to Date 2016
Ties: 2020
Jan 1997–Dec 1998
24-Month
41.75°F
(5.42°C)
40.03°F
(4.46°C)
1.72°F
(0.96°C)
116th Coolest Coolest since: 1997 1917
10th Warmest Warmest to Date 2017
Jan 1996–Dec 1998
36-Month
41.18°F
(5.10°C)
40.02°F
(4.46°C)
1.16°F
(0.64°C)
104th Coolest Coolest since: 1997 1918
21st Warmest Warmest since: 1992 2017
Jan 1995–Dec 1998
48-Month
41.13°F
(5.07°C)
40.01°F
(4.45°C)
1.12°F
(0.62°C)
104th Coolest Coolest since: 1997 1919
20th Warmest Warmest to Date 2018
Jan 1994–Dec 1998
60-Month
41.09°F
(5.05°C)
40.00°F
(4.44°C)
1.09°F
(0.61°C)
101st Coolest Coolest since: 1997 1920
22nd Warmest Warmest to Date 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2021, retrieved on September 28, 2021 from https://www.ncdc.noaa.gov/cag/