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 December 2020. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, May 1940

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1940
1-Month
61.0°F
(16.1°C)
62.1°F
(16.7°C)
-1.1°F
(-0.6°C)
40th Coolest Coolest since: 1938 1967
87th Warmest Warmest since: 1939 2004
Ties: 1981
Apr–May 1940
2-Month
54.0°F
(12.2°C)
57.1°F
(13.9°C)
-3.1°F
(-1.7°C)
3rd Coolest Coolest since: 1935 1907
124th Warmest Warmest since: 1939 2019
Ties: 1935
Mar–May 1940
3-Month
48.5°F
(9.2°C)
52.3°F
(11.3°C)
-3.8°F
(-2.1°C)
1st Coolest Coolest to Date 1940
126th Warmest Warmest since: 1939 2012
Feb–May 1940
4-Month
44.7°F
(7.1°C)
47.8°F
(8.8°C)
-3.1°F
(-1.7°C)
6th Coolest Coolest since: 1934 1934
121st Warmest Warmest since: 1939 2012
Jan–May 1940
5-Month
40.1°F
(4.5°C)
44.9°F
(7.2°C)
-4.8°F
(-2.7°C)
1st Coolest Coolest to Date 1940
126th Warmest Warmest since: 1939 2012
Dec 1939–May 1940
6-Month
39.6°F
(4.2°C)
43.5°F
(6.4°C)
-3.9°F
(-2.2°C)
2nd Coolest Coolest since: 1904 1904
124th Warmest Warmest since: 1939 2012
Nov 1939–May 1940
7-Month
39.9°F
(4.4°C)
43.8°F
(6.6°C)
-3.9°F
(-2.2°C)
2nd Coolest Coolest since: 1904 1904
124th Warmest Warmest since: 1939 2012
Oct 1939–May 1940
8-Month
42.0°F
(5.6°C)
45.3°F
(7.4°C)
-3.3°F
(-1.8°C)
3rd Coolest Coolest since: 1905 1904
123rd Warmest Warmest since: 1939 2012
Sep 1939–May 1940
9-Month
44.9°F
(7.2°C)
47.8°F
(8.8°C)
-2.9°F
(-1.6°C)
4th Coolest Coolest since: 1918 1904, 1918
122nd Warmest Warmest since: 1939 2012
Aug 1939–May 1940
10-Month
48.0°F
(8.9°C)
50.4°F
(10.2°C)
-2.4°F
(-1.3°C)
4th Coolest Coolest since: 1918 1904
122nd Warmest Warmest since: 1939 2012
Jul 1939–May 1940
11-Month
50.4°F
(10.2°C)
52.7°F
(11.5°C)
-2.3°F
(-1.3°C)
4th Coolest Coolest since: 1918 1904
122nd Warmest Warmest since: 1939 2012
Jun 1939–May 1940
12-Month
52.3°F
(11.3°C)
54.2°F
(12.3°C)
-1.9°F
(-1.0°C)
4th Coolest Coolest since: 1918 1904
122nd Warmest Warmest since: 1939 2012
Dec 1938–May 1940
18-Month
49.8°F
(9.9°C)
50.6°F
(10.3°C)
-0.8°F
(-0.4°C)
22nd Coolest Coolest since: 1936 1905
103rd Warmest Warmest since: 1939 2017
Ties: 1916, 1928, 1961, 1967, 1971
Jun 1938–May 1940
24-Month
53.7°F
(12.1°C)
54.2°F
(12.3°C)
-0.5°F
(-0.2°C)
31st Coolest Coolest since: 1936 1905
94th Warmest Warmest since: 1939 2017
Ties: 1900, 1924, 1965
Jun 1937–May 1940
36-Month
53.9°F
(12.2°C)
54.2°F
(12.3°C)
-0.3°F
(-0.1°C)
38th Coolest Coolest since: 1937 1906
86th Warmest Warmest since: 1939 2018
Ties: 1913, 1937, 1978
Jun 1936–May 1940
48-Month
54.1°F
(12.3°C)
54.1°F
(12.3°C)
0.0°F
(0.0°C)
53rd Coolest Coolest since: 1938 1907
70th Warmest Warmest since: 1939 2019
Ties: 1903, 1959, 1962, 1972, 1984
Jun 1935–May 1940
60-Month
53.9°F
(12.2°C)
54.2°F
(12.3°C)
-0.3°F
(-0.1°C)
37th Coolest Coolest since: 1938 1908
85th Warmest Warmest since: 1939 2020
Ties: 1901, 1913, 1916, 1922, 1931, 1944

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 15, 2021 from https://www.ncdc.noaa.gov/cag/