UNIVERSITY OF MIAMI

Heat Index and Dewpoint Climatology for Fort Lauderdale, FL

· The data shown on this page are updated daily at midnight and are derived from the hourly METAR reports from Fort Lauderdale International Airport in Broward County, Florida (KFLL), provided by Iowa State University. These data span 1973-present and the station has been in two locations during this time: the middle of the airport grounds from 1973-2017 (map) and the northwest corner of the airport grounds from 2017-present (map).

· The reported air and dew point temperature values are used to calculate the relative humidity and in turn, the heat index. The heat index is only calculated when the air temperature is above 80°F.

· The averages are calculated using the 1991-2020 period, and the records span the 1973-present period. None of the values shown here represent official climate normals or records, and while some quality control was performed on the data, errors could still exist.

· Daily heatmap of hours spent above 90°F heat index (and 105°F)

· Annual number of hours spent above 90/95/100°F heat index (and 105/108/110°F)

Heat Index Threshold Consecutive Days (1st) Ending Date Consecutive Days (2nd) Ending Date Consecutive Days (3rd) Ending Date
100°F+ 53 20230817 29 20040903 26 20200818
101°F+ 26 20230726 26 20200818 21 20230817
102°F+ 25 20230726 21 20200813 20 20230817
103°F+ 25 20230726 17 20200905 15 20200813
104°F+ 15 20230716 10 20230815 10 20200905
105°F+ 15 20230716 10 20230815 10 20200905
106°F+ 9 20230716 7 20230724 6 20230811
107°F+ 5 20230724 4 20230810 4 20200831
108°F+ 5 20230724 4 20200831 4 19980811
109°F+ 5 20230724 4 19980811 3 20230809
110°F+ 4 19980811 2 20230808 2 20230722
This table shows the record number of consecutive days that the heat index was at or above a given threshold, as well as the date that the streak ended. For historical context, the second and third highest number of consecutive days is also provided. If there is a tie, the most recent date will be listed first, next most recent date will be listed second, etc.


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[JUMP TO MONTHLY HEAT INDEX DATA]
[JUMP TO DAILY DEWPOINT DATA]
[JUMP TO DAILY TEMPERATURE DATA]
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[JUMP TO DAILY DEWPOINT DATA]
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[JUMP TO MONTHLY TEMPERATURE DATA]



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