General consensus appears to be Death Valley in the summers, when the minimum temperature of summer nights often remain above 100°F.
World record for hottest overnight low temperature: a minimum temperature of 111.6°F (44.2°C) recorded on the morning of June 17, 2017 at Khasab, Oman.
Dallol, Ethiopia holds the "official" record for highest average temperature for an inhabited location on Earth, where an average annual temperature of 35°C (95°F) was recorded between the years 1960 and 1966.
Both authors and commenters note considerable holes in data, such as from the Danakil or Lac Assal depressions in Africa or Dasht-e-Lut in Iran, due to outside difficulties in placing equipment.
- Most consecutive days above 37.8 °C (100 °F): 160 days; Marble Bar, Western Australia from 31 October 1923 to 7 April 1924.
- Most consecutive days above 48.9 °C (120 °F): 43 days; Death Valley, California from 6 July through 17 August, 1917.
- Surface temperature: 93.9 °C (201.0 °F), in Death Valley, California, 15 July 1972.
- Highest temperature during rain: 46.1 °C (115.0 °F), in Needles, California, 13 August 2012.
- Highest overnight low temperature: 44.2 °C (111.6 °F) at the Khasab weather station (WMO Index = 41241) in Oman on June 17, 2017.
- Highest average monthly temperature: 41.9 °C (107.4 °F), in Death Valley, California, for the month of July 2017.