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 2020. For more information, please see Climatological Rankings.


Contiguous U.S.

Average Temperature Rankings, May 1999

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1999
1-Month
60.06°F
(15.59°C)
60.20°F
(15.67°C)
-0.14°F
(-0.08°C)
54th Coolest Coolest since: 1997 1917
73rd Warmest Warmest since: 1998 2018
Apr–May 1999
2-Month
55.80°F
(13.22°C)
55.62°F
(13.12°C)
0.18°F
(0.10°C)
61st Coolest Coolest since: 1997 1907
66th Warmest Warmest since: 1998 1934
Mar–May 1999
3-Month
51.47°F
(10.82°C)
50.92°F
(10.51°C)
0.55°F
(0.31°C)
83rd Coolest Coolest since: 1997 1917
44th Warmest Warmest since: 1998 2012
Ties: 1902
Feb–May 1999
4-Month
48.48°F
(9.16°C)
46.65°F
(8.14°C)
1.83°F
(1.02°C)
109th Coolest Coolest since: 1998 1917
18th Warmest Warmest since: 1992 2012
Jan–May 1999
5-Month
45.54°F
(7.52°C)
43.34°F
(6.30°C)
2.20°F
(1.22°C)
113th Coolest Coolest since: 1997 1917
14th Warmest Warmest since: 1998 2012
Dec 1998–May 1999
6-Month
43.87°F
(6.59°C)
41.57°F
(5.32°C)
2.30°F
(1.27°C)
117th Coolest Coolest since: 1998 1917
9th Warmest Warmest since: 1992 2012
Nov 1998–May 1999
7-Month
44.02°F
(6.68°C)
41.60°F
(5.33°C)
2.42°F
(1.35°C)
119th Coolest Coolest since: 1998 1917
7th Warmest Warmest since: 1934 2012
Oct 1998–May 1999
8-Month
45.41°F
(7.45°C)
43.16°F
(6.20°C)
2.25°F
(1.25°C)
119th Coolest Coolest since: 1998 1917
7th Warmest Warmest since: 1934 2012
Sep 1998–May 1999
9-Month
48.03°F
(8.91°C)
45.57°F
(7.54°C)
2.46°F
(1.37°C)
119th Coolest Coolest since: 1998 1917
7th Warmest Warmest since: 1934 2012
Aug 1998–May 1999
10-Month
50.63°F
(10.35°C)
48.22°F
(9.01°C)
2.41°F
(1.34°C)
120th Coolest Coolest since: 1998 1917
6th Warmest Warmest to Date 2012
Jul 1998–May 1999
11-Month
52.89°F
(11.61°C)
50.53°F
(10.29°C)
2.36°F
(1.32°C)
120th Coolest Coolest since: 1998 1917
6th Warmest Warmest to Date 2012
Jun 1998–May 1999
12-Month
54.16°F
(12.31°C)
52.03°F
(11.13°C)
2.13°F
(1.18°C)
119th Coolest Coolest since: 1998 1917
7th Warmest Warmest since: 1934 2012
Dec 1997–May 1999
18-Month
50.69°F
(10.38°C)
48.53°F
(9.18°C)
2.16°F
(1.20°C)
117th Coolest Coolest since: 1998 1918
8th Warmest Warmest to Date 2017
Jun 1997–May 1999
24-Month
53.62°F
(12.01°C)
52.02°F
(11.12°C)
1.60°F
(0.89°C)
115th Coolest Coolest since: 1998 1918
10th Warmest Warmest since: 1935 2017
Jun 1996–May 1999
36-Month
53.10°F
(11.72°C)
52.00°F
(11.11°C)
1.10°F
(0.61°C)
106th Coolest Coolest since: 1998 1918
18th Warmest Warmest since: 1992 2018
Ties: 2009
Jun 1995–May 1999
48-Month
52.87°F
(11.59°C)
51.99°F
(11.11°C)
0.88°F
(0.48°C)
101st Coolest Coolest since: 1998 1918
22nd Warmest Warmest since: 1992 2018
Jun 1994–May 1999
60-Month
52.91°F
(11.62°C)
51.98°F
(11.10°C)
0.93°F
(0.52°C)
100th Coolest Coolest since: 1998 1920
22nd Warmest Warmest since: 1992 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2020, retrieved on September 26, 2020 from https://www.ncdc.noaa.gov/cag/