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 2019. 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
Amomaly Rank
(1895-2019)
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
72nd 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
65th 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
43rd 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
17th 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
13th 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
8th 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)
118th 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)
118th 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)
118th 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)
119th 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)
119th 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)
118th 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
7th Warmest Warmest to Date 2017
Ties: 2018
Jun 1997–May 1999
24-Month
53.62°F
(12.01°C)
52.02°F
(11.12°C)
1.60°F
(0.89°C)
114th 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
17th 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
21st 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
21st Warmest Warmest since: 1992 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 16, 2019 from https://www.ncdc.noaa.gov/cag/