Windham Township has cooler summers than 86% of U.S. towns
Midwinter brings lows of about 16°. By January nights alone, it runs colder than 80% of U.S. towns. Decade by decade the climate has edged up, 1.1° above 1901–2000. Tender plants can go out after about May 12; in half of years the first frost comes by October 3.
A year in Windham Township at a glance
Each month’s typical high and low, and what it brings.
What stands out about Windham Township’s climate
Compared with towns across the U.S., with Windham Township’s place in Pennsylvania beside it.
What a year in Windham Township feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 143 frost-free days a year
In half of years the last 32° night comes by May 12 and the first by October 3. Frost and day counts come from NOAA’s station at Spencer 1 Ne, NY, 19 miles from the town’s center, 200 ft lower.
The 2023 USDA map puts Windham Township’s center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −9°. 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 49 inches of snow a winter
Snow, measured at Owego 3 Wsw, NY, is heaviest from January through February, about 12 inches a month. Precipitation (rain plus melted snow) adds up to 41 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 138 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Windham Township
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 Spencer 1 Ne, NY.
Living with Windham Township’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
143 frost-free days in zone 6a. 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 3.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 1.9 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Windham Township from natural hazards, river flooding is the largest share (89%); heat waves, cold waves, winter storms and ice storms together are 3%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Windham Township and its neighbors
Warren Township has the coldest January nights next door (15°, 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 Windham 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 |
|---|---|---|---|---|
| Windham Township, PA | 16° | 81° | 41" | 49" |
| Ontario, OH | 17° | 82° | 42" | 49" |
| Hillsdale, MI | 16° | 82° | 38" | 44" |
| Park City, IL | 16° | 82° | 37" | 43" |
| Nappanee, IN | 17° | 83° | 39" | 45" |
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 Windham Township averaged 1.1° warmer than the 1900s. The biggest change is in February (+2.7°).
A smaller shift than in 67% 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 Windham Township compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Windham Township’s place among Pennsylvania’s.
Windham Township weather by month
Highs, lows and precipitation from NOAA’s grid at Windham Township’s center; snow, wet days and snow on the ground from Owego 3 Wsw, NY. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 32° | 16° | 2.5" | 11.9" | 12 | 20 | 14° – 32° |
| February | 35° | 18° | 2.1" | 12.2" | 11 | 17 | 13° – 34° |
| March | 43° | 24° | 3.1" | 10.8" | 12 | 11 | 27° – 46° |
| April | 57° | 34° | 3.5" | 1.6" | 12 | 1 | 40° – 51° |
| May | 69° | 45° | 3.5" | 0.0" | 11 | 0 | 51° – 62° |
| June | 77° | 54° | 4.2" | 0.0" | 12 | 0 | 62° – 70° |
| July | 81° | 59° | 4.0" | 0.0" | 11 | 0 | 66° – 74° |
| August | 79° | 57° | 4.0" | 0.0" | 10 | 0 | 65° – 72° |
| September | 72° | 50° | 4.0" | 0.0" | 10 | 0 | 58° – 66° |
| October | 60° | 39° | 3.9" | 0.1" | 11 | 0 | 45° – 56° |
| November | 47° | 31° | 2.9" | 2.9" | 12 | 3 | 34° – 44° |
| December | 37° | 23° | 2.9" | 9.6" | 13 | 13 | 21° – 41° |
| Year | 58° | 37° | 40.5" | 49.1" | 138 | 64 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 13° to 34°. August is the most reliable, staying within 7°.
Where Windham 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 Windham Township’s center.
- Snow: Owego 3 Wsw, NY.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Spencer 1 Ne, NY, 19 miles from the town’s center, 200 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 Windham Township’s climate
What is the weather like in Windham Township?
A typical July afternoon reaches 81°, a January night drops to 16°, and about 49 inches of snow falls in a normal winter. Colder January nights than 80% of U.S. towns; cooler July afternoons than 86% of U.S. towns.
How cold does it get in Windham Township in winter?
January nights average 16°. About 168 nights a year reach 32° or below and 11 reach 0° or below. In the coldest January of the last 30 years the month averaged 14°.
How much snow does Windham Township get?
About 49 inches in a normal winter at Owego 3 Wsw, NY, heaviest from January through February, about 12 inches a month, with snow on the ground about 64 days a year.
How hot does it get in Windham Township?
July, with a typical high of 81° and a low of 59°. About 5 days a year reach 90° (Spencer 1 Ne, NY).
When is the first and last frost in Windham Township?
In half of years the last spring frost (32°) comes by May 12 and the first fall frost by October 3, about 143 frost-free days, at Spencer 1 Ne, NY.
What growing zone is Windham Township in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −9°.
What is the best time of year to visit Windham 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 Windham Township getting warmer?
Yes: 1991–2020 averaged 1.1° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 67% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Windham 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.