1 It is illegal for anyone under the age of 18 to consume alcohol. 2  Parents, guardians, and others taking care of people under 18 shall prohibit underage drinking, or risk administrative fines of 10000 to 50000 new Taiwan dollars when the situations are serious. 3  One shall not supply alcohol to anyone under the age of 18.
Most / Least Educated Cities in NH. The average temperature of Portsmouth is 47.14Â°F, which is higher than the New Hampshire average temperature of 44.49Â°F and is much lower than the national average temperature of 54.45Â°F.
Portsmouth is drained by Sagamore Creek and the Piscataqua River. The highest point in the city is 110 feet (34 m) above sea level, within Pease International Airport. The city is crossed by Interstate 95, U.S. Route 1, U.S. Route 4, New Hampshire Route 1A, New Hampshire Route 16, and New Hampshire Route 33.