Photo: Doug Kerr from Albany, NY, United States · CC BY-SA 2.0Few U.S. towns have cooler summers than Norwich Township
In January the night’s low is typically 15°. Winter nights are cold: in January they are colder than in 85% of U.S. towns. December has warmed most since 1901–2000, part of a 1.2° rise. Seedlings are safe outdoors from about May 15, with the first autumn frost due around October 3.
A year in Norwich Township at a glance
Each month’s typical high and low, and what it brings.
What stands out about Norwich Township’s climate
Compared with towns across the U.S., with Norwich Township’s place in Pennsylvania beside it.
What a year in Norwich Township feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 140 frost-free days a year
In half of years the last 32° night comes by May 15 and the first by October 3. Frost and day counts come from NOAA’s station at Clermont 1 Nw, PA, 8 miles from the town’s center, 100 ft higher.
The 2023 USDA map puts Norwich Township’s center in zone 5b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −12°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
About 55 inches of snow a winter
Snow, measured at Port Allegany, PA, falls mostly in January and December. Precipitation (rain plus melted snow) adds up to 47 inches a year; July is the wettest month and February the driest. Rain or snow falls on about 165 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Norwich Township
98% 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 Clermont 1 Nw, PA.
Living with Norwich Township’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
140 frost-free days in zone 5b. The last frost comes by May 15 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 3.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 139 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Norwich Township from natural hazards, river flooding is the largest share (90%); heat waves, cold waves, winter storms and ice storms together are 4%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Norwich Township and its neighbors
Shippen Township the hottest July afternoons (82°, 3° warmer). Differences under a degree are within what the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Norwich 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 |
|---|---|---|---|---|
| Norwich Township, PA | 15° | 79° | 47" | 55" |
| Biddeford, ME | 16° | 79° | 49" | 49" |
| Portsmouth, NH | 16° | 80° | 48" | 56" |
| Templeton, MA | 14° | 80° | 49" | 51" |
| Delhi, NY | 13° | 79° | 46" | 71" |
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 Norwich Township averaged 1.2° warmer than the 1900s. The biggest change is in December (+2.6°).
A smaller shift than in 66% 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 Norwich Township compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Norwich Township’s place among Pennsylvania’s.
Norwich Township weather by month
Highs, lows and precipitation from NOAA’s grid at Norwich Township’s center; snow, wet days and snow on the ground from Port Allegany, PA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 31° | 15° | 3.4" | 14.1" | 16 | 20 | 14° – 32° |
| February | 34° | 16° | 2.7" | 12.1" | 13 | 17 | 11° – 33° |
| March | 43° | 23° | 3.4" | 9.4" | 14 | 10 | 26° – 45° |
| April | 57° | 33° | 4.0" | 1.7" | 14 | 1 | 39° – 51° |
| May | 68° | 43° | 4.3" | 0.0" | 14 | 0 | 49° – 62° |
| June | 75° | 52° | 4.5" | 0.0" | 14 | 0 | 59° – 66° |
| July | 79° | 56° | 4.6" | 0.0" | 13 | 0 | 62° – 71° |
| August | 78° | 54° | 4.2" | 0.0" | 12 | 0 | 62° – 70° |
| September | 71° | 48° | 4.1" | 0.0" | 12 | 0 | 57° – 64° |
| October | 59° | 38° | 4.1" | 0.6" | 15 | 0 | 43° – 54° |
| November | 46° | 29° | 3.7" | 3.9" | 14 | 4 | 32° – 43° |
| December | 35° | 21° | 3.6" | 13.3" | 16 | 13 | 18° – 39° |
| Year | 56° | 35° | 46.6" | 55.1" | 165 | 65 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 11° to 33°. June is the most reliable, staying within 7°.
Where Norwich 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 Norwich Township’s center.
- Snow: Port Allegany, PA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Clermont 1 Nw, PA, 8 miles from the town’s center, 100 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 Norwich Township’s climate
What is the weather like in Norwich Township?
A typical July afternoon reaches 79°, a January night drops to 15°, and about 55 inches of snow falls in a normal winter. Colder January nights than 85% of U.S. towns; cooler July afternoons than 95% of U.S. towns.
How cold does it get in Norwich Township in winter?
January nights average 15°. About 166 nights a year reach 32° or below and 13 reach 0° or below. In the coldest January of the last 30 years the month averaged 14°.
How much snow does Norwich Township get?
About 55 inches in a normal winter at Port Allegany, PA, most of it in January and December, with snow on the ground about 65 days a year.
How hot does it get in Norwich Township?
July, with a typical high of 79°. 90° days are rare: none in a normal year at Clermont 1 Nw, PA.
When is the first and last frost in Norwich Township?
In half of years the last spring frost (32°) comes by May 15 and the first fall frost by October 3, about 140 frost-free days, at Clermont 1 Nw, PA.
What growing zone is Norwich Township in?
Zone 5b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −12°.
What is the best time of year to visit Norwich Township?
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 Norwich Township getting warmer?
Yes: 1991–2020 averaged 1.2° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 66% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Norwich 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.