countyscore

Best Weather & Climate Counties in New Hampshire

Average temperatures, precipitation, and extreme weather events Compare rankings across all 10 counties.

Average Weather & Climate Score
52/100
Top County
Belknap County
Counties Ranked
10

Top 10

#1
Belknap County
NH
54/100
#2
Hillsborough County
NH
52/100
#3
Merrimack County
NH
52/100
#4
Strafford County
NH
52/100
#5
Rockingham County
NH
52/100
#6
Cheshire County
NH
52/100
#7
Carroll County
NH
51/100
#8
Grafton County
NH
50/100
#9
Sullivan County
NH
50/100
#10
Coos County
NH
50/100

All New Hampshire Counties Ranked

#CountyWeather & Climate ScoreOverall Score
1Belknap County, NH
54.1
38.3
2Hillsborough County, NH
52.3
39.3
3Merrimack County, NH
52.3
43.6
4Strafford County, NH
52.3
40.2
5Rockingham County, NH
52.2
48.9
6Cheshire County, NH
51.8
43.4
7Carroll County, NH
50.5
49
8Grafton County, NH
50.3
44.5
9Sullivan County, NH
50.1
42.8
10Coos County, NH
49.6
41.2

Data Source

Weather & Climate data from WeatherByCounty. See full details at WeatherByCounty. Data updated February 2026.