DFW - 100° Day Summary

Severe Thunderstorms, Heavy Rainfall, And Flooding Possible Over The Plains; Typhoon Bualoi Approaches The CNMI

A storm system will bring the potential for severe thunderstorms capable of damaging winds, large hail, and isolated tornadoes over the south central U.S. into Monday. Heavy rainfall may also lead to flash flooding. The system will shift toward the eastern U.S. on Tuesday. Over the western Pacific, Typhoon Bualoi will intensify and impact the northern Marianna Islands over the next couple of days. Read More >

100° Day Summary for Dallas/Fort Worth Click Here for Waco

Average Number of 100° Days (1981-2010):

DFW - 100-Degree Days (1981-2010)

(March, April, and October have had 100° days,
but the average is near zero.)

First and Last Occurrences (1899-2018):

Average date of first 100°F: July 1
Average date of last 100°F: August 26
Earliest occurrence: Mar 9, 1911 (100°F)
Latest occurrence: Oct 3, 1951 (106°F)
Earliest last occurrence: May 30, 1928 (101°F)
Latest first occurrence: Aug 23, 1989 (101°F)

Most and Fewest:

Most in a calendar year: 71 (2011)
Fewest in a calendar year: 0 (1973, 1906)
Most consecutive: 42 (Jun 23 - Aug 3, 1980)
Most in a month: 31 (Jul 1980)
Greatest number of months in a year with at least one occurrence: 5
2006 - April, June, July, August, September
1998 - May, June, July, August, September
1925 - April, June, July, August, September
1911 - March, May, June, July, August
Only month to record both 100°F and 32°F: Mar 1916 (25°F on the 3rd and 100°F on the 21st)

Severe Thunderstorms, Heavy Rainfall, And Flooding Possible Over The Plains; Typhoon Bualoi Approaches The CNMI

DFW - 100° Day Summary

100° Day Summary for Dallas/Fort Worth Click Here for Waco

(March, April, and October have had 100° days, but the average is near zero.)

(March, April, and October have had 100° days,
but the average is near zero.)