Hypothermia can happen within minutes of falling into cold water, but the symptoms generally develop gradually. When the water temperature is 40 degrees or below, serious injury can result in as little as a few minutes.
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Hypothermia can happen within minutes of falling into cold water, but the symptoms generally develop gradually. When the water temperature is 40 degrees or below, serious injury can result in as little as a few minutes.
According to the National Center for Cold Water Safety, water temperatures below 70 degrees Fahrenheit should be treated with caution. Water temperatures between 50 and 60 degrees Fahrenheit makes it difficult to control your breathing, and anything lower than 40 degrees is painfully cold.