Kahului and Lihue were record warm, while Honolulu tied with 1995 for warmest year on record. Influenced by warm ocean temperatures, many locations across Hawaii experienced a near-record- to record-warm year in 2019. Alabama, Georgia, South Carolina and North Carolina each ranked warmest on record with eleven additional states' minimum temperatures ranking among their warmest 10 years on record.
The nationally averaged minimum temperature (overnight lows) during 2019 was 41.2☏, 1.2☏ above average and ranked in the warmest third of the 125-year record. Much of the South, Southeast, Mid Atlantic and parts of the Northeast were above-to much-above average during 2019. Only the daytime temperatures of 1951 were colder. Parts of the Northern Rockies and Plains and western Great Lakes were below-average for the year with South Dakota tying with 1996 as second coldest. The nationally averaged maximum temperature (daytime highs) was near average for 2019 at 64.1☏, 0.1☏ above average, ranking as the middle third of the 125-year record and the coolest daytime high temperatures for any year since 1997. Below-average temperatures were observed across the northern Plains with South Dakota ranking 12 th coldest for the January-December period. Georgia and North Carolina ranked record warmest while Florida, South Carolina and Virginia each had their second warmest year on record. Parts of the West, South, and much of the Southeast, Ohio Valley, Mid-Atlantic, and Northeast experienced above- to much-above-average temperatures during 2019. Below-average temperatures, particularly daytime temperatures, were observed across the northern Plains, while above-average to record-warm overnight temperatures dominated across the Southeast and Mid-Atlantic.
This ranked in the warmest third of the 125-year record and was the coldest year since 2014.
was 52.7☏, 0.7☏ above the 20 th century average. Based on preliminary analysis, the average annual temperature for the contiguous U.S.
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