Countries by Lowest Difference in Recorded Temperature

Name the countries that have the lowest difference between their recorded lowest and highest temperatures.
According to this source. Records considered dubious or unofficial are not included.
Calculations were all made in °C and the results converted.
Inspired by the quizzes about highest and lowest recorded temperatures.
Quiz by Carry
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Last updated: July 5, 2018
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First submittedJuly 5, 2018
Times taken88
Average score75.0%
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+/- C°
+/- °F
Country
14.2
57.6
Nauru
15.6
60.1
Tuvalu
15.6
60.1
Marshall Islands
16.1
61.0
Palau
16.8
62.2
Maldives
17.3
63.1
Kiribati
17.8
64.0
Micronesia
18.1
64.6
Singapore
+/- C°
+/- °F
Country
18.2
64.8
Antigua and Barbuda
18.8
65.8
Seychelles
18.9
66.0
St. Vincent and the Grenadines
19.1
66.4
St. Kitts and Nevis
19.4
66.9
Trinidad and Tobago
19.5
67.1
Solomon Islands
19.7
67.5
Grenada
19.9
67.8
Brunei
+/- C°
+/- °F
Country
20.0
68.0
Barbados
20.0
68.0
St. Lucia
21.6
70.9
Dominica
22.3
72.1
Comoros
23.7
74.7
Suriname
26.0
78.8
Samoa
26.4
79.5
Guyana
27.2
81.0
Tonga
+1
Level 63
Jul 5, 2018
I'd like to add what Quizmaster said on one of the inspirational quizzes: Some countries may belong on this list but can't be listed because of lack of reliable data.