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


Delaware

Average Temperature Rankings, July 1978

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
July 1978
1-Month
73.5°F
(23.1°C)
75.5°F
(24.2°C)
-2.0°F
(-1.1°C)
13th Coolest Coolest since: 1962 1895
114th Warmest Warmest since: 1977 2012, 2020
Jun–Jul 1978
2-Month
72.2°F
(22.3°C)
73.2°F
(22.9°C)
-1.0°F
(-0.6°C)
25th Coolest Coolest since: 1974 1907
102nd Warmest Warmest since: 1977 2010
Ties: 1960, 1967, 1982
May–Jul 1978
3-Month
68.2°F
(20.1°C)
69.5°F
(20.8°C)
-1.3°F
(-0.7°C)
16th Coolest Coolest since: 1974 1907
111th Warmest Warmest since: 1977 2010
Ties: 1895, 1928, 1946
Apr–Jul 1978
4-Month
64.1°F
(17.8°C)
65.1°F
(18.4°C)
-1.0°F
(-0.6°C)
23rd Coolest Coolest since: 1972 1907
104th Warmest Warmest since: 1977 2010
Ties: 1971, 1979
Mar–Jul 1978
5-Month
59.2°F
(15.1°C)
60.6°F
(15.9°C)
-1.4°F
(-0.8°C)
19th Coolest Coolest since: 1972 1907
108th Warmest Warmest since: 1977 2010, 2012
Ties: 1947, 1956
Feb–Jul 1978
6-Month
53.3°F
(11.8°C)
56.2°F
(13.4°C)
-2.9°F
(-1.6°C)
3rd Coolest Coolest since: 1907 1907
124th Warmest Warmest since: 1977 2012
Jan–Jul 1978
7-Month
49.9°F
(9.9°C)
52.9°F
(11.6°C)
-3.0°F
(-1.7°C)
3rd Coolest Coolest since: 1940 1940
124th Warmest Warmest since: 1977 2012
Dec 1977–Jul 1978
8-Month
48.2°F
(9.0°C)
50.9°F
(10.5°C)
-2.7°F
(-1.5°C)
4th Coolest Coolest since: 1940 1904
122nd Warmest Warmest since: 1977 2012
Ties: 1905
Nov 1977–Jul 1978
9-Month
48.2°F
(9.0°C)
50.3°F
(10.2°C)
-2.1°F
(-1.2°C)
7th Coolest Coolest since: 1940 1904
119th Warmest Warmest since: 1977 2012
Oct 1977–Jul 1978
10-Month
48.8°F
(9.3°C)
50.9°F
(10.5°C)
-2.1°F
(-1.2°C)
7th Coolest Coolest since: 1940 1904
119th Warmest Warmest since: 1977 2012
Sep 1977–Jul 1978
11-Month
50.8°F
(10.4°C)
52.5°F
(11.4°C)
-1.7°F
(-1.0°C)
10th Coolest Coolest since: 1970 1918
116th Warmest Warmest since: 1977 2012
Ties: 1963
Aug 1977–Jul 1978
12-Month
52.9°F
(11.6°C)
54.2°F
(12.3°C)
-1.3°F
(-0.7°C)
16th Coolest Coolest since: 1977 1904
110th Warmest Warmest since: 1976 2012
Feb 1977–Jul 1978
18-Month
54.6°F
(12.6°C)
54.9°F
(12.7°C)
-0.3°F
(-0.1°C)
42nd Coolest Coolest since: 1971 1905, 1918
84th Warmest Warmest since: 1977 2012
Ties: 1899, 1903, 1971
Aug 1976–Jul 1978
24-Month
52.8°F
(11.6°C)
54.2°F
(12.3°C)
-1.4°F
(-0.7°C)
4th Coolest Coolest since: 1941 1905
121st Warmest Warmest since: 1977 2017
Ties: 1904, 1906, 1927
Aug 1975–Jul 1978
36-Month
53.9°F
(12.2°C)
54.2°F
(12.3°C)
-0.3°F
(-0.1°C)
37th Coolest Coolest since: 1972 1906
87th Warmest Warmest since: 1977 2018, 2019
Ties: 1899, 1903, 1940, 1972, 1982
Aug 1974–Jul 1978
48-Month
54.0°F
(12.2°C)
54.2°F
(12.3°C)
-0.2°F
(-0.1°C)
44th Coolest Coolest since: 1972 1907
79th Warmest Warmest since: 1977 2019
Ties: 1899, 1916, 1925, 1930, 1942, 1972
Aug 1973–Jul 1978
60-Month
54.3°F
(12.4°C)
54.2°F
(12.3°C)
0.1°F
(0.1°C)
64th Coolest Coolest since: 1973 1908
58th Warmest Warmest since: 1977 2020
Ties: 1936, 1945, 1947, 1959

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published July 2021, retrieved on August 3, 2021 from https://www.ncdc.noaa.gov/cag/