rain·​fall | \ ˈrān-ˌfȯl How to pronounce rainfall (audio) \

Definition of rainfall

1 : the amount of precipitation usually measured by the depth in inches

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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 primary concern is weather, with the potential for rainfall. Eric Berger, Ars Technica, "On Tuesday, Orion will fly 55 seconds before violently escaping from its rocket," 1 July 2019 Incredibly, the Ford Heights team has played nearly all its games this spring despite a May that set a Chicago-area record for most rainfall. Ted Slowik, Daily Southtown, "Slowik: Baseball field creates sense of community pride in Ford Heights," 7 June 2019 The storm which also brought severe wind, dust and hail in many areas, also broke the record for the most rainfall ever recorded for July 9 at Sky Harbor International Airport at 0.54 inches, the National Weather Service said. Brieanna J Frank, azcentral, "Several parts of Valley see more than 1 inch of rain as severe storm hits," 9 July 2018 Monsoonal moisture will bring a chance of showers and thunderstorms, mostly over the mountains and deserts, with a chance for more significant rainfall on Tuesday and Wednesday. Lyndsay Winkley, sandiegouniontribune.com, "Count of homes damaged, destroyed by Alpine fire more than doubles," 8 July 2018 For the year, Orlando is nearly on target for normal rainfall. Kevin Spear, OrlandoSentinel.com, "Orlando rain in June: Frequent, but not record-setting," 2 July 2018 The National Weather Service issued flood warnings from east-central Minnesota across northwestern Wisconsin because the potential for rainfall exceeded two inches per hour in some places. Washington Post, "Crash after high-speed chase kills at least five," 18 June 2018 Last month, the state broke a century-old record for rainfall. Jenny Staletovich, miamiherald, "Hurricane forecasters watching another wave of storms stirring in the Caribbean," 11 June 2018 Special Weather Statement issued for New Orleans East for very heavy rainfall occurring in vicinity of I-10 and I-510. Wilborn P. Nobles Iii, NOLA.com, "Strong thunderstorm with 'torrential' rain hitting New Orleans East Friday afternoon," 1 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rainfall.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of rainfall

1817, in the meaning defined at sense 1

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Statistics for rainfall

Last Updated

16 Jul 2019

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Time Traveler for rainfall

The first known use of rainfall was in 1817

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English Language Learners Definition of rainfall

: the amount of rain that falls on a particular area


rain·​fall | \ ˈrān-ˌfȯl How to pronounce rainfall (audio) \

Kids Definition of rainfall

2 : amount of precipitation Their average annual rainfall is 80 centimeters.

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Comments on rainfall

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