Bridge in Gibson Borough · Photo: PennDOT · Public domainJuly in Gibson Township stays fresher than in 89% of U.S. towns
The coldest hours of a January night bottom out at 15° on average. Seasons differ by 66°, from the coldest nights to the warmest afternoons. By January nights alone, it runs colder than 84% of U.S. towns. Comfortable outdoor weather lasts from May to September, with highs of 69–81°.
A year in Gibson Township at a glance
Each month’s typical high and low, and what it brings.
What stands out about Gibson Township’s climate
Compared with towns across the U.S., with Gibson Township’s place in Pennsylvania beside it.
What a year in Gibson 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 14 and the first by October 1. Frost and day counts come from NOAA’s station at Pleasant Mt 1 W, PA, 9 miles from the town’s center, 340 ft higher.
The 2023 USDA map puts Gibson Township’s center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −10°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
About 69 inches of snow a winter
Snow, measured at Susquehanna, PA, falls mostly in January. Precipitation (rain plus melted snow) adds up to 47 inches a year; August is the wettest month and February the driest. Rain or snow falls on about 149 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Gibson Township
97% 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 Pleasant Mt 1 W, PA.
Living with Gibson Township’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
140 frost-free days in zone 6a. The last frost comes by May 14 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 1.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 4.9 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Gibson Township from natural hazards, river flooding is the largest share (75%); heat waves, cold waves, winter storms and ice storms together are 6%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Gibson Township and its neighbors
Ararat Township has the coldest January nights next door (13°, 2° 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 Gibson 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 |
|---|---|---|---|---|
| Gibson Township, PA | 15° | 81° | 47" | 69" |
| Newmarket, NH | 16° | 81° | 47" | 65" |
| Wells, ME | 14° | 81° | 49" | 70" |
| Fitchburg, MA | 15° | 82° | 48" | 75" |
| Allegany, NY | 15° | 81° | 43" | 65" |
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 Gibson Township averaged 1.3° warmer than the 1900s. The biggest change is in December (+2.8°).
A smaller shift than in 56% 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 Gibson Township compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Gibson Township’s place among Pennsylvania’s.
Gibson Township weather by month
Highs, lows and precipitation from NOAA’s grid at Gibson Township’s center; snow, wet days and snow on the ground from Susquehanna, PA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 32° | 15° | 3.3" | 17.5" | 14 | 22 | 15° – 31° |
| February | 35° | 16° | 2.7" | 14.6" | 11 | 19 | 12° – 32° |
| March | 43° | 23° | 3.3" | 14.5" | 12 | 13 | 26° – 44° |
| April | 57° | 33° | 4.0" | 3.2" | 13 | 1 | 39° – 51° |
| May | 69° | 44° | 4.2" | 0.0" | 14 | 0 | 50° – 62° |
| June | 77° | 53° | 4.5" | 0.0" | 13 | 0 | 62° – 69° |
| July | 81° | 58° | 4.5" | 0.0" | 12 | 0 | 65° – 74° |
| August | 79° | 56° | 4.5" | 0.0" | 12 | 0 | 63° – 71° |
| September | 72° | 49° | 4.4" | 0.0" | 11 | 0 | 57° – 65° |
| October | 60° | 38° | 4.5" | 0.3" | 12 | 0 | 44° – 56° |
| November | 47° | 29° | 3.3" | 4.5" | 11 | 3 | 32° – 43° |
| December | 36° | 22° | 3.4" | 14.4" | 14 | 14 | 20° – 41° |
| Year | 57° | 36° | 46.5" | 69.0" | 149 | 72 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 20° to 41°. June is the most reliable, staying within 7°.
Where Gibson 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 Gibson Township’s center.
- Snow: Susquehanna, PA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Pleasant Mt 1 W, PA, 9 miles from the town’s center, 340 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 Gibson Township’s climate
What is the weather like in Gibson Township?
A typical July afternoon reaches 81°, a January night drops to 15°, and about 69 inches of snow falls in a normal winter. Colder January nights than 84% of U.S. towns; cooler July afternoons than 89% of U.S. towns.
How cold does it get in Gibson Township in winter?
January nights average 15°. About 169 nights a year reach 32° or below and 12 reach 0° or below. In the coldest January of the last 30 years the month averaged 15°.
How much snow does Gibson Township get?
About 69 inches in a normal winter at Susquehanna, PA, most of it in January, with snow on the ground about 72 days a year.
How hot does it get in Gibson Township?
July, with a typical high of 81°. 90° days are rare: none in a normal year at Pleasant Mt 1 W, PA.
When is the first and last frost in Gibson Township?
In half of years the last spring frost (32°) comes by May 14 and the first fall frost by October 1, about 140 frost-free days, at Pleasant Mt 1 W, PA.
What growing zone is Gibson Township in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −10°.
What is the best time of year to visit Gibson 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 Gibson Township getting warmer?
Yes: 1991–2020 averaged 1.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 56% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Gibson 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.