National Weather Service United States Department of Commerce

Total Solar Eclipse April 8, 2024 - Review of the Event

Highlights of the 2024 Total Solar Eclipse as it crossed North and Central Texas on Monday April 8th. Read More >

100° Day Summary for Waco        Click Here for DFW

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

Waco - 100-Degree Days (1991-2020)

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

 

First and Last Occurrences (1902-2022):
  • Average date of first 100°F: July 4
  • Average date of last 100°F: August 29
  • Earliest occurrence: Mar 28, 1971 (100°F)
  • Latest occurrence: Oct 12, 2022 (100°F)
  • Latest first occurrence: Oct 3, 1979 (101°F)
  • Earliest last occurrence: Jul 8, 1931 (104°F)
Most and Fewest:
  • Most in a calendar year: 90 (2011)
  • Fewest in a calendar year: 0 (1920, 1919)
  • Most consecutive: 44 (Jun 30 - Aug 12, 2011)
  • Most in a month: 31 (Jul 2011, Jul 1980)
  • Greatest number of months in a year with at least one occurrence: 5
    2022 - June, July, August, September, October
    2011 - May, June, July, August, September
    1998 - May, June, July, August, September
    1985 - May, June, July, August, September
    1977 - June, July, August, September, October
    1963 - April, June, July, August, September
    1911 - May, June, July, August, September
  • Only month to record both 100°F and 32°F: Mar 1971 (29°F on the 3rd and 100°F on the 28th)