Stewartstown, NH climate
Stewartstown has cold, snowy winters and cool summers, with plenty of rain. A typical July afternoon reaches 74°, a January night drops to 4°, and about 111 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decade12° warmer than normal today. The forecast high is 70°, and a typical Oct 1 in Stewartstown peaks around 58°.Live forecast: National Weather Service · Normal: NOAA 1991–2020
What a year in Stewartstown feels like
Winter
Spring
Summer
Fall
Stewartstown 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 | 30-yr range |
|---|---|---|---|---|---|---|
| January | 22° | 4° | 3.4" | 28.0" | 16 | 2° – 22° |
| February | 25° | 6° | 2.8" | 22.0" | 12 | 1° – 23° |
| March | 34° | 14° | 3.1" | 18.8" | 12 | 13° – 34° |
| April | 47° | 27° | 3.7" | 6.8" | 11 | 32° – 43° |
| May | 61° | 38° | 4.3" | 0.4" | 13 | 43° – 55° |
| June | 69° | 48° | 5.1" | 0 | 14 | 56° – 63° |
| July | 74° | 53° | 4.8" | 0 | 15 | 59° – 67° |
| August | 72° | 52° | 4.6" | 0 | 12 | 59° – 65° |
| September | 65° | 44° | 4.0" | 0 | 12 | 50° – 60° |
| October | 52° | 35° | 4.7" | 0.9" | 14 | 39° – 51° |
| November | 39° | 24° | 3.6" | 8.2" | 14 | 26° – 37° |
| December | 28° | 12° | 3.9" | 26.0" | 15 | 13° – 31° |
| Year | 49° | 30° | 48.1" | 111.1" | 160 |
“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 Stewartstown
Stewartstown gets 48 inches of rain and melted snow a year. June is the wettest month and February the driest. Rain or snow falls on about 160 days a year.
About 121 frost-free days a year
In half of years the last 32° night comes by May 25 and the first one by September 24. That leaves about 121 frost-free days for gardens, shorter than 97% of U.S. towns.
Heating and cooling a home in Stewartstown
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Stewartstown, 99% of that work is heating and 1% 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.
Stewartstown and its neighbors
Stewartstown borders 3 towns with climate data. January nights across them vary by 0.7°. Clarksville has the coldest January nights (3°) and Colebrook the hottest July afternoons (76°). Stewartstown’s January low is 4° and its July high 74°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Stewartstown 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 Stewartstown averaged 1.6° warmer than the 1900s. The biggest change is in December (+4.1°). The shift is larger than in 77% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Stewartstown’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 1° to 23°. August is the most reliable, staying within 6°.
Common questions about Stewartstown’s climate
What is the coldest month in Stewartstown?
January, with a typical high of 22° and a low of 4°.
What is the hottest month in Stewartstown?
July, with a typical high of 74° and a low of 53°.
How much snow does Stewartstown get?
About 111 inches in a normal winter, most of it in January.
When is the first frost in Stewartstown?
In half of years the first 32° night comes by September 24, and the last spring frost by May 25.
What is the rainiest month in Stewartstown?
June, with 5.1 inches of rain and melted snow. The year totals 48 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Stewartstown itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Canaan, VT (7 mi, snow) and First Connecticut Lake, NH (11 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.