1
: the amount of precipitation usually measured by the depth in inches
2
Examples of rainfall in a Sentence
This area has an average annual rainfall of 12 inches.
an increase in annual rainfall
Recent Examples on the Web
Normal rainfall for Sanford by March 28 is just over 7 inches.
—
Martin E. Comas, The Orlando Sentinel, 30 Mar. 2025
The climate is cool, dry, and sunny, with low rainfall and fertile soil.
—Nicole Kliest, Vogue, 29 Mar. 2025
Record rainfall floods South Texas At least three people have died after heavy rain brought record-breaking flooding to South Texas, according to officials.
—Julia Jacobo, ABC News, 28 Mar. 2025
Because of potential rainfall, city staff recommended moving forward with repairs quickly to prevent additional sinkholes and the possible collapse of existing utilities, the street and sidewalk.
—Gary Warth, San Diego Union-Tribune, 27 Mar. 2025
See All Example Sentences for rainfall
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Martin E. Comas, The Orlando Sentinel, 30 Mar. 2025
The climate is cool, dry, and sunny, with low rainfall and fertile soil.
—Nicole Kliest, Vogue, 29 Mar. 2025
Record rainfall floods South Texas At least three people have died after heavy rain brought record-breaking flooding to South Texas, according to officials.
—Julia Jacobo, ABC News, 28 Mar. 2025
Because of potential rainfall, city staff recommended moving forward with repairs quickly to prevent additional sinkholes and the possible collapse of existing utilities, the street and sidewalk.
—Gary Warth, San Diego Union-Tribune, 27 Mar. 2025
See All Example Sentences for rainfall
Cite this Entry
“Rainfall.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rainfall. Accessed 7 Apr. 2025.
Copy CitationKids Definition
rainfall
noun
rain·fall
-ˌfȯl 
1
: a fall of rain
2
: amount of precipitation
an annual rainfall of 20 inches
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