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


Contiguous U.S.

Minimum Temperature Rankings, December 1999

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
December 1999
1-Month
25.11°F
(-3.83°C)
22.60°F
(-5.22°C)
2.51°F
(1.39°C)
97th Coolest Coolest since: 1998 1909
30th Warmest Warmest since: 1998 2015
Ties: 1998
Nov–Dec 1999
2-Month
30.09°F
(-1.06°C)
26.64°F
(-2.98°C)
3.45°F
(1.92°C)
124th Coolest Coolest since: 1998 1976
3rd Warmest Warmest to Date 2015
Oct–Dec 1999
3-Month
33.60°F
(0.89°C)
31.57°F
(-0.24°C)
2.03°F
(1.13°C)
116th Coolest Coolest since: 1997 1976
11th Warmest Warmest since: 1998 2015
Sep–Dec 1999
4-Month
37.88°F
(3.27°C)
36.64°F
(2.58°C)
1.24°F
(0.69°C)
103rd Coolest Coolest since: 1997 1976
24th Warmest Warmest since: 1998 2015
Aug–Dec 1999
5-Month
42.28°F
(5.71°C)
41.13°F
(5.07°C)
1.15°F
(0.64°C)
105th Coolest Coolest since: 1997 1976
22nd Warmest Warmest since: 1998 2015
Jul–Dec 1999
6-Month
45.52°F
(7.51°C)
44.36°F
(6.87°C)
1.16°F
(0.64°C)
103rd Coolest Coolest since: 1997 1976
24th Warmest Warmest since: 1998 2015
Jun–Dec 1999
7-Month
47.05°F
(8.36°C)
45.97°F
(7.76°C)
1.08°F
(0.60°C)
102nd Coolest Coolest since: 1997 1976
25th Warmest Warmest since: 1998 2015
May–Dec 1999
8-Month
47.09°F
(8.38°C)
46.15°F
(7.86°C)
0.94°F
(0.52°C)
98th Coolest Coolest since: 1997 1976
29th Warmest Warmest since: 1998 2015
Apr–Dec 1999
9-Month
46.27°F
(7.93°C)
45.32°F
(7.40°C)
0.95°F
(0.53°C)
99th Coolest Coolest since: 1997 1917
28th Warmest Warmest since: 1998 2015
Mar–Dec 1999
10-Month
44.72°F
(7.07°C)
43.78°F
(6.54°C)
0.94°F
(0.53°C)
98th Coolest Coolest since: 1997 1917
29th Warmest Warmest since: 1998 2015
Feb–Dec 1999
11-Month
43.22°F
(6.23°C)
41.87°F
(5.48°C)
1.35°F
(0.75°C)
112th Coolest Coolest since: 1997 1917
15th Warmest Warmest since: 1998 2016
Ties: 1921
Jan–Dec 1999
12-Month
41.55°F
(5.31°C)
40.03°F
(4.46°C)
1.52°F
(0.85°C)
112th Coolest Coolest since: 1997 1917
15th Warmest Warmest since: 1998 2016
Jul 1998–Dec 1999
18-Month
43.45°F
(6.36°C)
41.49°F
(5.27°C)
1.96°F
(1.09°C)
119th Coolest Coolest since: 1997 1917
7th Warmest Warmest since: 1998 2016
Jan 1998–Dec 1999
24-Month
42.19°F
(5.66°C)
40.04°F
(4.47°C)
2.15°F
(1.19°C)
122nd Coolest Coolest since: 1998 1917
4th Warmest Warmest to Date 2017
Jan 1997–Dec 1999
36-Month
41.68°F
(5.38°C)
40.02°F
(4.46°C)
1.66°F
(0.92°C)
115th Coolest Coolest since: 1998 1918
10th Warmest Warmest to Date 2017
Jan 1996–Dec 1999
48-Month
41.28°F
(5.16°C)
40.02°F
(4.46°C)
1.26°F
(0.70°C)
105th Coolest Coolest since: 1998 1919
19th Warmest Warmest to Date 2018
Jan 1995–Dec 1999
60-Month
41.21°F
(5.12°C)
40.00°F
(4.44°C)
1.21°F
(0.68°C)
103rd Coolest Coolest since: 1998 1920
20th Warmest Warmest to Date 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2021, retrieved on October 27, 2021 from https://www.ncdc.noaa.gov/cag/