DFW - 100° Day Summary

Snow in the Rockies; Showers and Thunderstorms Along the Gulf Coast; Potential Winter Storm for Northern Mid-Atlantic and Interior New England

A winter-like pattern will continue over much of the Lower 48 over the next few days, with snow stretching from the Rockies today into the Middle Mississippi Valley on Monday. Showers and thunderstorms will develop along the Gulf Coast and Southeast on Monday. As the storm moves northward late Monday into Tuesday, winter weather is possible from the Central Appalachians to Interior New England. Read More >

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

Average Number of 100° Days (1991-2020):

DFW - 100-Degree Days (1991-2020)

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

First and Last Occurrences (1899-2024):

Average date of first 100°F: July 1
Average date of last 100°F: August 27
Earliest occurrence: Mar 9, 1911 (100°F)
Latest occurrence: Oct 3, 1951 (106°F)
Latest first occurrence: Aug 23, 1989 (101°F)
Earliest last occurrence: May 30, 1928 (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)

Snow in the Rockies; Showers and Thunderstorms Along the Gulf Coast; Potential Winter Storm for Northern Mid-Atlantic and Interior New England

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.)