Center Harbor, NH climate
Center Harbor has cold, snowy winters and pleasant summers. A typical July afternoon reaches 81°, a January night drops to 10°, and about 80 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Center Harbor feels like
Winter
Spring
Summer
Fall
Center Harbor weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 30° | 10° | 3.2" | 18.1" | 10 | 29 | 10° – 27° |
| February | 33° | 12° | 2.8" | 19.6" | 9 | 28 | 10° – 29° |
| March | 42° | 21° | 3.3" | 15.4" | 10 | 24 | 23° – 40° |
| April | 56° | 31° | 3.5" | 4.2" | 11 | 6 | 40° – 48° |
| May | 68° | 42° | 3.7" | 0 | 12 | 0 | 50° – 60° |
| June | 76° | 52° | 4.3" | 0 | 13 | 0 | 61° – 68° |
| July | 81° | 57° | 4.6" | 0 | 11 | 0 | 65° – 72° |
| August | 80° | 55° | 3.9" | 0 | 10 | 0 | 65° – 71° |
| September | 72° | 47° | 4.0" | 0 | 10 | 0 | 55° – 63° |
| October | 59° | 37° | 4.8" | 0.8" | 11 | 0 | 44° – 55° |
| November | 46° | 28° | 3.8" | 3.9" | 10 | 3 | 32° – 42° |
| December | 35° | 18° | 4.1" | 17.7" | 12 | 20 | 21° – 35° |
| Year | 56° | 34° | 45.9" | 79.7" | 129 | 110 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Center Harbor
Center Harbor gets 46 inches of rain and melted snow a year. October is the wettest month and February the driest. Rain or snow falls on about 129 days a year. Snow covers the ground about 110 days of the year.
About 171 frost-free days a year
In half of years the last 32° night comes by April 28 and the first one by October 16. That leaves about 171 frost-free days for gardens, shorter than 59% of U.S. towns.
Heating and cooling a home in Center Harbor
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Center Harbor, 94% of that work is heating and 6% is cooling, so the furnace matters far more than the air conditioner.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
Center Harbor and its neighbors
Center Harbor borders 4 towns with climate data. January nights across them vary by 1.7°. Holderness has the coldest January nights (9°) and Meredith the hottest July afternoons (81°). Center Harbor’s January low is 10° and its July high 81°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Center Harbor compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Center Harbor averaged 1.6° warmer than the 1900s. The biggest change is in December (+3.4°). The shift is larger than in 73% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Center Harbor’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 10° to 29°. August is the most reliable, staying within 6°.
Common questions about Center Harbor’s climate
What is the coldest month in Center Harbor?
January, with a typical high of 30° and a low of 10°.
What is the hottest month in Center Harbor?
July, with a typical high of 81° and a low of 57°. About 5 days a year reach 90°.
How much snow does Center Harbor get?
About 80 inches in a normal winter, most of it in February.
When is the first frost in Center Harbor?
In half of years the first 32° night comes by October 16, and the last spring frost by April 28.
What is the rainiest month in Center Harbor?
October, with 4.8 inches of rain and melted snow. The year totals 46 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Center Harbor itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Meredith 3 Nne, NH (2 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.