Climatological Rankings

NCDC added Alaska climate divisions to its nClimDiv dataset on Friday, March 6, 2015, coincident with the release of the February 2015 monthly monitoring report. For more information on this data, please visit the Alaska Climate Divisions FAQ.

Look up monthly U.S., Statewide, DivisionalClimate Divisions, and RegionalClimate Regions Temperature, Precipitation, Degree Days, and Palmer (Drought) rankings for 1-12, 18, 24, 36, 48, 60-month, and Year-to-Date time periods. Data and statistics are as of January 1895.
Please note, Degree Days are not available for Alaska, Agricultural Belts, NWS Regions, and Cities; Palmer Indices are not available for Alaska, NWS Regions, and Cities.

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Contiguous U.S. Average Temperature Rankings, May 1955

Record Coolest
Bottom 1/10
Bottom 1/3
Normal
Top 1/3
Top 1/10
Record Warmest

More information on Climatological Rankings

Download: xml csv json
Period Avg Temp 20th Century
Average
Departure Rank Warmest/Coolest
Since
Record
May 1955
1-month period
61.29°F
(16.27°C)
60.20°F
(15.67°C)
1.09°F
(0.60°C)
92ⁿᵈ Coolest Coolest since: 1954 1917
29ᵗʰ Warmest Warmest since: 1949 1934
Mar - May 1955
3-month period
51.40°F
(10.78°C)
50.92°F
(10.51°C)
0.48°F
(0.27°C)
80ᵗʰ Coolest Coolest since: 1954 1917
41ˢᵗ Warmest Warmest since: 1949 2012
Jan - May 1955
5-month period
42.92°F
(6.07°C)
43.34°F
(6.30°C)
-0.42°F
(-0.23°C)
42ⁿᵈ Coolest Coolest since: 1951 1917
79ᵗʰ Warmest Warmest since: 1954 2012
Jun 1954 - May 1955
12-month period
52.52°F
(11.40°C)
52.03°F
(11.13°C)
0.49°F
(0.27°C)
88ᵗʰ Coolest Coolest since: 1952 1917
32ⁿᵈ Warmest Warmest since: 1954 2012