Waco - 100° Day Summary

Back-to-Back Pacific Storms to Impact the West Coast; Heavy Snow in the Central Appalachians

Back-to-back powerful Pacific storm systems to impact the Pacific Northwest and northern California through the end of this week with heavy rain, flooding, strong winds, and higher elevation mountain snow. A strong, long-duration atmospheric river will accompany the Pacific storms, bringing excessive rainfall and flash flooding to southwest Oregon and northwest California through the week. 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 (1902-2024):

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 15, 2024 (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
2024 - June, July, August, September, October
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)

Back-to-Back Pacific Storms to Impact the West Coast; Heavy Snow in the Central Appalachians

Waco - 100° Day Summary

100° Day Summary for Waco Click Here for DFW

(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.)