Cite Return to Daily IQ Today's Weather Fact On this date in 1979, it was the coldest day in the recorded history of the state of Hawaii. A reading of just 12 degrees Fahrenheit was noted at Mauna Kea Observatory on the island of Hawaii. Other Weather Facts Select month and date: JanFebMarAprMayJunJulAugSepOctNovDec Related LinksWeather CentralWeather DisastersWeather ExtremesClimateTornado FactsMajor Storms