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
The renovation addressed agronomic issues caused by 78 inches of average rainfall per year, and included a comprehensive renovation to every bunker, drainage upgrades, and cart-path improvements throughout the property, and an aggressive aeration of the Seashore paspalum turf.
—
Scott Kramer, Forbes, 18 Dec. 2024
Across the Atlantic, a neighborhood suffering from surges of rainfall and flooding was stepping into a sandbox of its own.
—Marina Lopes, TIME, 18 Dec. 2024
Changes in the ocean's temperature can affect tropical rainfall patterns, which in turn can impact weather all over the world.
—John Tufts, The Indianapolis Star, 18 Dec. 2024
And in Northern California, a powerful storm system is forecast for Thursday, Friday and over the weekend, bringing 1 to 2 inches of rainfall to the Sacramento and San Francisco areas as well as dumping 10 to 20 inches of snow in elevations above 5,000 feet in the the Sierra.
—Clara Harter, Los Angeles Times, 12 Dec. 2024
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Scott Kramer, Forbes, 18 Dec. 2024
Across the Atlantic, a neighborhood suffering from surges of rainfall and flooding was stepping into a sandbox of its own.
—Marina Lopes, TIME, 18 Dec. 2024
Changes in the ocean's temperature can affect tropical rainfall patterns, which in turn can impact weather all over the world.
—John Tufts, The Indianapolis Star, 18 Dec. 2024
And in Northern California, a powerful storm system is forecast for Thursday, Friday and over the weekend, bringing 1 to 2 inches of rainfall to the Sacramento and San Francisco areas as well as dumping 10 to 20 inches of snow in elevations above 5,000 feet in the the Sierra.
—Clara Harter, Los Angeles Times, 12 Dec. 2024
See all Example Sentences for rainfall
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Cite this Entry
“Rainfall.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rainfall. Accessed 22 Dec. 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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