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Highest risk cities in New Hampshire

Highest flood risk cities in New Hampshire

Ranked city list for flood-prone areas. Open any city to view local risk details and live outlook context.

State average

Flood score

77/100

Updated Sun, Feb 22, 7:05 PM.

Open flood outlookBrowse all NH cities

More state ranking pages

Highest overall weather risk citiesHighest wind risk citiesHighest storm surge risk citiesHighest lightning risk citiesHighest tornado risk citiesHighest hail risk cities
National comparisons:
Which state has the highest hurricane risk? →Safest states for severe weather →States with the lowest flood exposure →

Ranked cities

Top 25 cities by flood score.

Open any city for full details

#1

Center Ossipee, NH

23 points above the state average

100/100

#2

East Merrimack, NH

23 points above the state average

100/100

#3

Melvin Village, NH

23 points above the state average

100/100

#4

Klondike Corner, NH

11 points above the state average

88/100

#5

New Boston, NH

11 points above the state average

88/100

#6

Hampton Beach, NH

9 points above the state average

86/100

#7

Nashua, NH

at the state average

77/100

#8

Blodgett Landing, NH

2 points below the state average

75/100

#9

South Hooksett, NH

3 points below the state average

74/100

#10

Portsmouth, NH

4 points below the state average

73/100

#11

North Conway, NH

5 points below the state average

72/100

#12

Suncook, NH

5 points below the state average

72/100

#13

Pinardville, NH

7 points below the state average

70/100

#14

Suissevale, NH

8 points below the state average

69/100

#15

Concord, NH

10 points below the state average

67/100

#16

Dover, NH

10 points below the state average

67/100

#17

Manchester, NH

12 points below the state average

65/100

#18

Rochester, NH

13 points below the state average

64/100

#19

West Swanzey, NH

13 points below the state average

64/100

#20

Groveton, NH

14 points below the state average

63/100

#21

Keene, NH

15 points below the state average

62/100

#22

Center Sandwich, NH

18 points below the state average

59/100

#23

Contoocook, NH

18 points below the state average

59/100

#24

Francestown, NH

18 points below the state average

59/100

#25

Union, NH

18 points below the state average

59/100

How this ranking works

Rankings use HomeRiskIQ weather risk data and statewide score snapshots.

Scores are normalized to a 0-100 scale and shown against the state average for context.

City entries link to hazard-specific pages where available, otherwise to the city overview.