Photo: User:Magicpiano · CC BY-SA 4.0Dummer gets about 96 inches of snow a winter, more than 97% of U.S. towns
A typical July afternoon reaches 78°, a January night drops to 4°, and about 96 inches of snow falls in a normal winter.
A year in Dummer at a glance
Each month’s typical high and low, and what it brings.
What stands out about Dummer’s climate
Compared with towns across the U.S., with Dummer’s place in New Hampshire beside it.
What a year in Dummer feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 122 frost-free days a year
In half of years the last 32° night comes by May 23 and the first by September 22. Day counts come from NOAA’s station at Berlin Muni Airport, 7 miles from the town’s center, 200 ft lower; frost dates and degree days from York Pond, NH, 12 miles away.
The 2023 USDA map puts Dummer’s center in zone 4b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −24°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 96 inches of snow a winter
Snow, measured at York Pond, NH, falls mostly in February. Precipitation (rain plus melted snow) adds up to 43 inches a year; October is the wettest month and February the driest. Rain or snow falls on about 161 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Dummer
98% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through May.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at York Pond, NH.
Living with Dummer’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
122 frost-free days in zone 4b. The last frost comes by May 23 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Sep 22.
Months with highs of 62–84° and lows of 40° or more: June, July, August and September. 37 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Dummer from natural hazards, avalanches are the largest share (73%); heat waves, cold waves, winter storms and ice storms together are 6%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Dummer and its neighbors
Every town next door is within a degree of Dummer in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Dummer’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Dummer, NH | 4° | 78° | 43" | 96" |
| Houlton, ME | 4° | 78° | 42" | 96" |
| Tupper Lake, NY | 5° | 78° | 43" | 105" |
| Minocqua, WI | 3° | 77° | 33" | 99" |
| Sault Ste. Marie, MI | 8° | 76° | 37" | 120" |
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in Dummer averaged 1.7° warmer than the 1900s. The biggest change is in December (+4.3°).
A bigger shift than in 75% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Dummer compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Dummer’s place among New Hampshire’s.
Dummer weather by month
Highs, lows and precipitation from NOAA’s grid at Dummer’s center; snow, wet days and snow on the ground from York Pond, NH. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 26° | 4° | 2.9" | 21.4" | 14 | 30 | 4° – 24° |
| February | 29° | 6° | 2.4" | 24.0" | 13 | 28 | 4° – 24° |
| March | 38° | 15° | 2.8" | 16.4" | 12 | 28 | 16° – 35° |
| April | 51° | 28° | 3.3" | 6.1" | 13 | 10 | 35° – 44° |
| May | 65° | 39° | 3.8" | 0.4" | 15 | 0 | 46° – 57° |
| June | 73° | 48° | 4.4" | 0.0" | 15 | 0 | 58° – 65° |
| July | 78° | 53° | 4.3" | 0.0" | 14 | 0 | 61° – 69° |
| August | 76° | 51° | 4.0" | 0.0" | 12 | 0 | 61° – 67° |
| September | 69° | 44° | 3.5" | 0.0" | 12 | 0 | 51° – 61° |
| October | 55° | 34° | 4.5" | 1.7" | 14 | 1 | 40° – 52° |
| November | 42° | 25° | 3.1" | 7.3" | 13 | 8 | 28° – 39° |
| December | 31° | 13° | 3.6" | 18.2" | 16 | 26 | 15° – 33° |
| Year | 53° | 30° | 42.5" | 95.5" | 161 | 131 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 4° to 24°. August is the most reliable, staying within 5°.
Where Dummer’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Dummer’s center.
- Snow: York Pond, NH.
- Frost dates, heating and cooling: York Pond, NH, 12 miles away.
- Freezing nights, 90° and 100° days: Berlin Muni Airport, 7 miles from the town’s center, 200 ft lower; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Dummer’s climate
What is the weather like in Dummer?
A typical July afternoon reaches 78°, a January night drops to 4°, and about 96 inches of snow falls in a normal winter. Colder January nights than all but 167 U.S. towns; cooler July afternoons than 96% of U.S. towns.
How cold does it get in Dummer in winter?
January nights average 4°. About 197 nights a year reach 32° or below and 40 reach 0° or below. In the coldest January of the last 30 years the month averaged 4°.
How much snow does Dummer get?
About 96 inches in a normal winter at York Pond, NH, most of it in February, with snow on the ground about 131 days a year.
How hot does it get in Dummer?
July, with a typical high of 78° and a low of 53°. About 4 days a year reach 90° (York Pond, NH).
When is the first and last frost in Dummer?
In half of years the last spring frost (32°) comes by May 23 and the first fall frost by September 22, about 122 frost-free days, at York Pond, NH.
What growing zone is Dummer in?
Zone 4b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −24°.
What is the best time of year to visit Dummer?
By one simple rule (highs of 62–84° and lows of 40° or more), June, July, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Dummer getting warmer?
Yes: 1991–2020 averaged 1.7° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 75% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Dummer.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.