Photo: Jerrye & Roy Klotz, MD · CC BY-SA 3.0Hanover Township’s winters are colder and snowier than most of the U.S.
A typical July afternoon reaches 86°, a January night drops to 21°, and about 24 inches of snow falls in a normal winter.
A year in Hanover Township at a glance
Each month’s typical high and low, and what it brings.
What stands out about Hanover Township’s climate
Compared with towns across the U.S., with Hanover Township’s place in New Jersey beside it.
What a year in Hanover Township feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 189 frost-free days a year
In half of years the last 32° night comes by April 18 and the first by October 27. Frost and day counts come from NOAA’s station at Canoe Brook, NJ, 7 miles from the town’s center, at about the same height.
The 2023 USDA map puts Hanover Township’s center in zone 7a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 2°. 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 24 inches of snow a winter
Snow, measured at Canoe Brook, NJ, falls mostly in February. Precipitation (rain plus melted snow) adds up to 49 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 123 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Hanover Township
84% of the work is heating. 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 Canoe Brook, NJ.
Living with Hanover Township’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
189 frost-free days in zone 7a. The last frost comes by Apr 18 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 27.
Months with highs of 62–84° and lows of 40° or more: May, June, August, September and October. 6.3 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Hanover Township from natural hazards, river flooding is the largest share (73%); heat waves, cold waves, winter storms and ice storms together are 11%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Hanover Township and its neighbors
Morris Plains has the coldest January nights next door (20°, 1° colder). Differences under a degree are within what the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Hanover Township’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 |
|---|---|---|---|---|
| Hanover Township, NJ | 21° | 86° | 49" | 24" |
| Clarksburg, WV | 23° | 85° | 47" | 24" |
| Elsmere, KY | 23° | 85° | 47" | 23" |
| North Vernon, IN | 23° | 86° | 48" | 17" |
| Delhi Hills, OH | 23° | 86° | 46" | 23" |
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 Hanover Township averaged 2.1° warmer than the 1900s. The biggest change is in December (+3.6°).
A bigger shift than in 93% 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 Hanover Township compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Hanover Township’s place among New Jersey’s.
Hanover Township weather by month
Highs, lows and precipitation from NOAA’s grid at Hanover Township’s center; snow, wet days and snow on the ground from Canoe Brook, NJ. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 39° | 21° | 3.5" | 5.8" | 10 | 8 | 21° – 37° |
| February | 42° | 23° | 2.8" | 8.4" | 8 | 8 | 20° – 38° |
| March | 50° | 29° | 4.0" | 4.6" | 10 | 5 | 34° – 49° |
| April | 62° | 39° | 4.0" | 0.4" | 12 | 0 | 47° – 55° |
| May | 72° | 49° | 4.1" | 0.0" | 12 | 0 | 57° – 66° |
| June | 81° | 58° | 4.7" | 0.0" | 11 | 0 | 66° – 73° |
| July | 86° | 63° | 4.7" | 0.0" | 11 | 0 | 70° – 79° |
| August | 84° | 62° | 4.6" | 0.0" | 11 | 0 | 68° – 76° |
| September | 77° | 54° | 4.5" | 0.0" | 10 | 0 | 63° – 70° |
| October | 65° | 43° | 4.4" | 0.0" | 11 | 0 | 49° – 60° |
| November | 54° | 34° | 3.5" | 0.7" | 9 | 0 | 39° – 48° |
| December | 43° | 27° | 4.4" | 4.1" | 10 | 4 | 28° – 46° |
| Year | 63° | 42° | 49.2" | 24.0" | 123 | 24 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 20° to 38°. June is the most reliable, staying within 7°.
Where Hanover Township’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 Hanover Township’s center.
- Snow: Canoe Brook, NJ.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Canoe Brook, NJ, 7 miles from the town’s center, at about the same height; 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 Hanover Township’s climate
What is the weather like in Hanover Township?
A typical July afternoon reaches 86°, a January night drops to 21°, and about 24 inches of snow falls in a normal winter. Colder January nights than 54% of U.S. towns; hotter July afternoons than 54% of U.S. towns.
How cold does it get in Hanover Township in winter?
January nights average 21°. About 118 nights a year reach 32° or below and 1 reach 0° or below. In the coldest January of the last 30 years the month averaged 21°.
How much snow does Hanover Township get?
About 24 inches in a normal winter at Canoe Brook, NJ, most of it in February, with snow on the ground about 24 days a year.
How hot does it get in Hanover Township?
July, with a typical high of 86° and a low of 63°. About 29 days a year reach 90° and 1 reach 100° (Canoe Brook, NJ).
When is the first and last frost in Hanover Township?
In half of years the last spring frost (32°) comes by April 18 and the first fall frost by October 27, about 189 frost-free days, at Canoe Brook, NJ.
What growing zone is Hanover Township in?
Zone 7a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 2°.
What is the best time of year to visit Hanover Township?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, August, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Hanover Township getting warmer?
Yes: 1991–2020 averaged 2.1° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 93% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Hanover Township.
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.