Photo: Ruhrfisch · CC BY-SA 3.0Afternoon heat in Colebrook Township trails that of 82% of U.S. towns
January nights here settle around 17°. From frosty January to warm July, readings climb 65°. Winter nights are cold: in January they are colder than in 75% of U.S. towns. Homes need heating from November to April, the months averaging under 50°.
A year in Colebrook Township at a glance
Each month’s typical high and low, and what it brings.
What stands out about Colebrook Township’s climate
Compared with towns across the U.S., with Colebrook Township’s place in Pennsylvania beside it.
What a year in Colebrook Township feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 177 frost-free days a year
In half of years the last 32° night comes by April 29 and the first by October 21. Frost and day counts come from NOAA’s station at Alvin R Bush Dam, PA, 23 miles from the town’s center, 300 ft lower.
The 2023 USDA map puts Colebrook Township’s center in zone 6b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −4°. 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 30 inches of snow a winter
Snow, measured at Lock Haven Sewage Plt, PA, is heaviest from January through February, about 8 inches a month. Precipitation (rain plus melted snow) adds up to 43 inches a year; September is the wettest month and February the driest. Rain or snow falls on about 136 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Colebrook Township
93% 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 Alvin R Bush Dam, PA.
Living with Colebrook Township’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
177 frost-free days in zone 6b. The last frost comes by Apr 29 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 21.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 17 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Colebrook Township from natural hazards, river flooding is the largest share (81%); heat waves, cold waves, winter storms and ice storms together are 2%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Colebrook Township and its neighbors
Grugan Township the hottest July afternoons (85°, 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 Colebrook 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 |
|---|---|---|---|---|
| Colebrook Township, PA | 17° | 82° | 43" | 30" |
| Galion, OH | 18° | 83° | 42" | 26" |
| Ghent, NY | 16° | 84° | 42" | 31" |
| Frankfort, IN | 18° | 84° | 43" | 24" |
| Hopkinton, RI | 20° | 82° | 47" | 35" |
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 Colebrook Township averaged 0.9° warmer than the 1900s. The biggest change is in December (+2.4°).
A smaller shift than in 82% 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 Colebrook Township compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Colebrook Township’s place among Pennsylvania’s.
Colebrook Township weather by month
Highs, lows and precipitation from NOAA’s grid at Colebrook Township’s center; snow, wet days and snow on the ground from Lock Haven Sewage Plt, PA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 33° | 17° | 3.1" | 7.5" | 12 | 12 | 17° – 33° |
| February | 37° | 18° | 2.4" | 7.9" | 10 | 12 | 14° – 35° |
| March | 46° | 26° | 3.3" | 6.2" | 11 | 6 | 29° – 46° |
| April | 60° | 36° | 3.7" | 0.6" | 12 | 0 | 43° – 53° |
| May | 70° | 46° | 4.2" | 0.0" | 13 | 0 | 53° – 64° |
| June | 78° | 55° | 4.1" | 0.0" | 12 | 0 | 63° – 69° |
| July | 82° | 59° | 4.3" | 0.0" | 11 | 0 | 66° – 75° |
| August | 80° | 58° | 3.8" | 0.0" | 11 | 0 | 65° – 74° |
| September | 73° | 51° | 4.4" | 0.0" | 11 | 0 | 60° – 66° |
| October | 61° | 41° | 3.8" | 0.1" | 11 | 0 | 46° – 57° |
| November | 48° | 31° | 3.2" | 1.4" | 11 | 1 | 35° – 44° |
| December | 37° | 23° | 3.2" | 5.9" | 12 | 6 | 21° – 39° |
| Year | 59° | 38° | 43.4" | 29.6" | 136 | 37 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 14° to 35°. September is the most reliable, staying within 7°.
Where Colebrook 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 Colebrook Township’s center.
- Snow: Lock Haven Sewage Plt, PA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Alvin R Bush Dam, PA, 23 miles from the town’s center, 300 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 Colebrook Township’s climate
What is the weather like in Colebrook Township?
A typical July afternoon reaches 82°, a January night drops to 17°, and about 30 inches of snow falls in a normal winter. Colder January nights than 75% of U.S. towns; cooler July afternoons than 82% of U.S. towns.
How cold does it get in Colebrook Township in winter?
January nights average 17°. About 135 nights a year reach 32° or below and 3 reach 0° or below. In the coldest January of the last 30 years the month averaged 17°.
How much snow does Colebrook Township get?
About 30 inches in a normal winter at Lock Haven Sewage Plt, PA, heaviest from January through February, about 8 inches a month, with snow on the ground about 37 days a year.
How hot does it get in Colebrook Township?
July, with a typical high of 82° and a low of 59°. About 9 days a year reach 90° (Alvin R Bush Dam, PA).
When is the first and last frost in Colebrook Township?
In half of years the last spring frost (32°) comes by April 29 and the first fall frost by October 21, about 177 frost-free days, at Alvin R Bush Dam, PA.
What growing zone is Colebrook Township in?
Zone 6b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −4°.
What is the best time of year to visit Colebrook 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 Colebrook Township getting warmer?
Yes: 1991–2020 averaged 0.9° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 82% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Colebrook 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.