1
: the amount of precipitation usually measured by the depth in inches
2
Synonyms
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
With tropical moisture still streaming over South Florida, the Weather Prediction Center has issued a level 3 of 4 flood threat Friday – just one level lower than the rare high risk of excessive rainfall seen Thursday.
—
Dalia Faheid, CNN, 14 June 2024
According to the order, portions of South Florida received 10 to 15 inches of rainfall — affecting major interstates, roadways, airports, and schools.
—Devoun Cetoute, Miami Herald, 13 June 2024
Some ten to 15 inches of rainfall were measured across the state, causing flight delays and cancellations while also prompting people to abandon cars on roads and highways across five counties—Broward, Collier, Lee, Miami-Dade, and Sarasota—which are under the emergency order.
—Solcyré Burga, TIME, 13 June 2024
In the past 24 hours, Miami Beach saw almost 7 inches of rain, while Hallandale Beach got 6 inches, and Hollywood, North Miami and Coral Gables received just over 5 inches of rainfall, CBS News Miami reported.
—Li Cohen, CBS News, 12 June 2024
See all Example Sentences for rainfall 
Dalia Faheid, CNN, 14 June 2024
According to the order, portions of South Florida received 10 to 15 inches of rainfall — affecting major interstates, roadways, airports, and schools.
—Devoun Cetoute, Miami Herald, 13 June 2024
Some ten to 15 inches of rainfall were measured across the state, causing flight delays and cancellations while also prompting people to abandon cars on roads and highways across five counties—Broward, Collier, Lee, Miami-Dade, and Sarasota—which are under the emergency order.
—Solcyré Burga, TIME, 13 June 2024
In the past 24 hours, Miami Beach saw almost 7 inches of rain, while Hallandale Beach got 6 inches, and Hollywood, North Miami and Coral Gables received just over 5 inches of rainfall, CBS News Miami reported.
—Li Cohen, CBS News, 12 June 2024
See all Example Sentences for rainfall
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'rainfall.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Rainfall.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rainfall. Accessed 20 Jun. 2024.
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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