Climate at a Glance

Statewide 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 2019. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, January 1999

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
January 1999
1-Month
38.1°F
(3.4°C)
33.3°F
(0.7°C)
4.8°F
(2.7°C)
107th Coolest Coolest since: 1997 1940
19th Warmest Warmest since: 1998 1950
Ties: 1916, 1993
Dec 1998–Jan 1999
2-Month
40.0°F
(4.4°C)
34.7°F
(1.5°C)
5.3°F
(2.9°C)
113th Coolest Coolest since: 1997 1918
12th Warmest Warmest since: 1998 1932
Nov 1998–Jan 1999
3-Month
42.4°F
(5.8°C)
38.4°F
(3.6°C)
4.0°F
(2.2°C)
113th Coolest Coolest since: 1998 1918
12th Warmest Warmest since: 1995 1932
Ties: 2017
Oct 1998–Jan 1999
4-Month
46.2°F
(7.9°C)
43.0°F
(6.1°C)
3.2°F
(1.8°C)
111th Coolest Coolest since: 1998 1918
14th Warmest Warmest since: 1995 1932
Ties: 1913
Sep 1998–Jan 1999
5-Month
51.2°F
(10.7°C)
47.9°F
(8.8°C)
3.3°F
(1.9°C)
116th Coolest Coolest since: 1998 1918
9th Warmest Warmest since: 1972 1932
Ties: 1972
Aug 1998–Jan 1999
6-Month
55.2°F
(12.9°C)
52.2°F
(11.2°C)
3.0°F
(1.7°C)
115th Coolest Coolest since: 1998 1918
10th Warmest Warmest since: 1932 1932
Jul 1998–Jan 1999
7-Month
58.2°F
(14.6°C)
55.5°F
(13.1°C)
2.7°F
(1.5°C)
113th Coolest Coolest since: 1998 1918
12th Warmest Warmest since: 1950 1932
Jun 1998–Jan 1999
8-Month
59.8°F
(15.4°C)
57.4°F
(14.1°C)
2.4°F
(1.3°C)
113th Coolest Coolest since: 1998 1918
12th Warmest Warmest since: 1950 2012
May 1998–Jan 1999
9-Month
60.4°F
(15.8°C)
58.0°F
(14.4°C)
2.4°F
(1.4°C)
113th Coolest Coolest since: 1998 1918
12th Warmest Warmest since: 1950 2016
Apr 1998–Jan 1999
10-Month
59.8°F
(15.4°C)
57.3°F
(14.1°C)
2.5°F
(1.3°C)
115th Coolest Coolest since: 1998 1918
10th Warmest Warmest since: 1932 2012
Ties: 2011
Mar 1998–Jan 1999
11-Month
58.6°F
(14.8°C)
56.0°F
(13.3°C)
2.6°F
(1.5°C)
118th Coolest Coolest since: 1998 1918
7th Warmest Warmest to Date 2012, 2013
Feb 1998–Jan 1999
12-Month
57.1°F
(13.9°C)
54.2°F
(12.3°C)
2.9°F
(1.6°C)
120th Coolest Coolest since: 1998 1918
5th Warmest Warmest to Date 2013
Ties: 2018
Aug 1997–Jan 1999
18-Month
56.0°F
(13.3°C)
53.5°F
(11.9°C)
2.5°F
(1.4°C)
116th Coolest Coolest since: 1998 1905
8th Warmest Warmest since: 1992 2013
Feb 1997–Jan 1999
24-Month
56.3°F
(13.5°C)
54.2°F
(12.3°C)
2.1°F
(1.2°C)
112th Coolest Coolest since: 1998 1918
12th Warmest Warmest since: 1992 2013
Ties: 2006
Feb 1996–Jan 1999
36-Month
55.6°F
(13.1°C)
54.2°F
(12.3°C)
1.4°F
(0.8°C)
101st Coolest Coolest since: 1998 1918
22nd Warmest Warmest since: 1993 2013
Ties: 2016
Feb 1995–Jan 1999
48-Month
55.3°F
(12.9°C)
54.1°F
(12.3°C)
1.2°F
(0.6°C)
98th Coolest Coolest since: 1998 1905, 1918
24th Warmest Warmest since: 1994 2013, 2019
Feb 1994–Jan 1999
60-Month
55.4°F
(13.0°C)
54.1°F
(12.3°C)
1.3°F
(0.7°C)
98th Coolest Coolest since: 1998 1906, 1908
23rd Warmest Warmest since: 1995 2013
Ties: 1993

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 20, 2019 from https://www.ncdc.noaa.gov/cag/