Photo: Ascended Dreamer · CC BY 4.0North Haverhill sits near the bottom of U.S. towns for winter warmth
Peak summer warmth arrives in July, with afternoons near 82°. From frosty January to warm July, readings climb 75°. By July afternoons alone, it runs cooler than 84% of U.S. towns. Garden chairs stay out from May to September, the months with highs of 69–82°.
A year in North Haverhill at a glance
Each month’s typical high and low, and what it brings.
What stands out about North Haverhill’s climate
Compared with towns across the U.S., with North Haverhill’s place in New Hampshire beside it.
What a year in North Haverhill feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 146 frost-free days a year
In half of years the last 32° night comes by May 12 and the first by October 6. Frost and day counts come from NOAA’s station at Wentworth, NH, 17 miles from the town’s center, 180 ft higher.
The 2023 USDA map puts North Haverhill’s center in zone 4b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −20°. 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 66 inches of snow a winter
Snow, measured at South Newbury, VT, falls mostly in January and December. Precipitation (rain plus melted snow) adds up to 37 inches a year; July is the wettest month and February the driest. Rain or snow falls on about 122 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in North Haverhill
96% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through April.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Wentworth, NH.
Living with North Haverhill’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
146 frost-free days in zone 4b. The last frost comes by May 12 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 6.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 4.2 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in North Haverhill from natural hazards, river flooding is the largest share (81%); heat waves, cold waves, winter storms and ice storms together are 8%. Normals are averages; the hazards page covers the extremes.
Natural hazards →North Haverhill and its neighbors
Every town next door is within a degree of North Haverhill in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like North Haverhill’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 |
|---|---|---|---|---|
| North Haverhill, NH | 7° | 82° | 37" | 66" |
| Massena, NY | 8° | 81° | 38" | 75" |
| Sparta, WI | 7° | 82° | 35" | 55" |
| Waseca, MN | 6° | 81° | 35" | 52" |
| Clear Lake, IA | 7° | 82° | 36" | 44" |
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 North Haverhill averaged 1.3° warmer than the 1900s. The biggest change is in December (+3.5°).
A smaller shift than in 53% 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 North Haverhill compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with North Haverhill’s place among New Hampshire’s.
North Haverhill weather by month
Highs, lows and precipitation from NOAA’s grid at North Haverhill’s center; snow, wet days and snow on the ground from South Newbury, VT. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 28° | 7° | 2.3" | 17.4" | 10 | 7° – 26° |
| February | 32° | 9° | 1.9" | 13.1" | 8 | 7° – 27° |
| March | 41° | 19° | 2.3" | 13.4" | 10 | 20° – 39° |
| April | 55° | 31° | 2.9" | 2.8" | 10 | 38° – 48° |
| May | 69° | 42° | 3.3" | 0.0" | 11 | 49° – 60° |
| June | 77° | 51° | 3.8" | 0.0" | 12 | 62° – 68° |
| July | 82° | 56° | 4.2" | 0.0" | 11 | 64° – 73° |
| August | 80° | 55° | 3.8" | 0.0" | 10 | 65° – 71° |
| September | 72° | 47° | 3.2" | 0.0" | 10 | 55° – 64° |
| October | 58° | 36° | 4.0" | 0.7" | 11 | 43° – 54° |
| November | 45° | 27° | 2.7" | 1.3" | 9 | 31° – 42° |
| December | 34° | 16° | 2.9" | 17.0" | 11 | 18° – 36° |
| Year | 56° | 33° | 37.3" | 65.7" | 122 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 7° to 27°. August is the most reliable, staying within 6°.
Where North Haverhill’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 North Haverhill’s center.
- Snow: South Newbury, VT.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Wentworth, NH, 17 miles from the town’s center, 180 ft higher; 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 North Haverhill’s climate
What is the weather like in North Haverhill?
A typical July afternoon reaches 82°, a January night drops to 7°, and about 66 inches of snow falls in a normal winter. Colder January nights than 96% of U.S. towns; cooler July afternoons than 84% of U.S. towns.
How cold does it get in North Haverhill in winter?
January nights average 7°. About 178 nights a year reach 32° or below and 26 reach 0° or below. In the coldest January of the last 30 years the month averaged 7°.
How much snow does North Haverhill get?
About 66 inches in a normal winter at South Newbury, VT, most of it in January and December.
How hot does it get in North Haverhill?
July, with a typical high of 82° and a low of 56°. About 10 days a year reach 90° (Wentworth, NH).
When is the first and last frost in North Haverhill?
In half of years the last spring frost (32°) comes by May 12 and the first fall frost by October 6, about 146 frost-free days, at Wentworth, NH.
What growing zone is North Haverhill in?
Zone 4b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −20°.
What is the best time of year to visit North Haverhill?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, July, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is North Haverhill getting warmer?
Yes: 1991–2020 averaged 1.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 53% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in North Haverhill.
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.