Photo: User:Dincher · CC BY-SA 3.0Afternoon heat in Deerfield Township trails that of 89% of U.S. towns
January nights here settle around 15°. Winter nights are cold: in January they are colder than in 85% of U.S. towns. Compared with 1901–2000, the average now sits 0.9° higher. Garden planting can start around May 6; autumn frost returns near October 10.
A year in Deerfield Township at a glance
Each month’s typical high and low, and what it brings.
What stands out about Deerfield Township’s climate
Compared with towns across the U.S., with Deerfield Township’s place in Pennsylvania beside it.
What a year in Deerfield Township feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 158 frost-free days a year
In half of years the last 32° night comes by May 6 and the first by October 10. Frost and day counts come from NOAA’s station at Tioga Hammond Dam, PA, 15 miles from the town’s center, 450 ft lower.
The 2023 USDA map puts Deerfield 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°
90° days by month
Average days at 90° or more
About 49 inches of snow a winter
Snow, measured at Sabinsville 3 Se, PA, falls mostly in January, February, March and December. Precipitation (rain plus melted snow) adds up to 38 inches a year; September is the wettest month and February the driest. Rain or snow falls on about 126 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Deerfield Township
94% 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 Tioga Hammond Dam, PA.
Living with Deerfield Township’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
158 frost-free days in zone 5b. The last frost comes by May 6 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 10.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 1.0 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Deerfield Township from natural hazards, river flooding is the largest share (93%); heat waves, cold waves, winter storms and ice storms together are 1%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Deerfield Township and its neighbors
Osceola Township the hottest July afternoons (82°, 1° 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 Deerfield 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 |
|---|---|---|---|---|
| Deerfield Township, PA | 15° | 81° | 38" | 49" |
| Cobleskill, NY | 13° | 81° | 40" | 54" |
| Oak Creek, WI | 16° | 81° | 34" | 49" |
| Hillsdale, MI | 16° | 82° | 38" | 44" |
| Park City, IL | 16° | 82° | 37" | 43" |
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 Deerfield Township averaged 0.9° warmer than the 1900s. The biggest change is in December (+2.7°).
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 Deerfield Township compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Deerfield Township’s place among Pennsylvania’s.
Deerfield Township weather by month
Highs, lows and precipitation from NOAA’s grid at Deerfield Township’s center; snow, wet days and snow on the ground from Sabinsville 3 Se, PA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 32° | 15° | 2.4" | 10.6" | 13 | 21 | 14° – 32° |
| February | 35° | 16° | 1.9" | 10.5" | 10 | 17 | 11° – 33° |
| March | 44° | 22° | 2.7" | 10.6" | 10 | 16 | 26° – 45° |
| April | 57° | 32° | 3.2" | 2.4" | 10 | 2 | 39° – 50° |
| May | 69° | 42° | 3.4" | 0.0" | 11 | 0 | 49° – 62° |
| June | 77° | 51° | 3.9" | 0.0" | 11 | 0 | 61° – 68° |
| July | 81° | 55° | 3.8" | 0.0" | 10 | 0 | 63° – 72° |
| August | 79° | 54° | 3.6" | 0.0" | 10 | 0 | 63° – 71° |
| September | 72° | 48° | 4.0" | 0.0" | 9 | 0 | 56° – 64° |
| October | 60° | 37° | 3.6" | 0.6" | 10 | 0 | 44° – 55° |
| November | 47° | 29° | 2.8" | 3.3" | 10 | 4 | 33° – 43° |
| December | 37° | 21° | 2.7" | 10.7" | 12 | 15 | 20° – 40° |
| Year | 57° | 35° | 38.0" | 48.7" | 126 | 75 |
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 Deerfield 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 Deerfield Township’s center.
- Snow: Sabinsville 3 Se, PA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Tioga Hammond Dam, PA, 15 miles from the town’s center, 450 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 Deerfield Township’s climate
What is the weather like in Deerfield Township?
A typical July afternoon reaches 81°, a January night drops to 15°, and about 49 inches of snow falls in a normal winter. Colder January nights than 85% of U.S. towns; cooler July afternoons than 89% of U.S. towns.
How cold does it get in Deerfield Township in winter?
January nights average 15°. About 154 nights a year reach 32° or below and 9 reach 0° or below. In the coldest January of the last 30 years the month averaged 14°.
How much snow does Deerfield Township get?
About 49 inches in a normal winter at Sabinsville 3 Se, PA, most of it in January, February, March and December, with snow on the ground about 75 days a year.
How hot does it get in Deerfield Township?
July, with a typical high of 81° and a low of 55°. About 8 days a year reach 90° (Tioga Hammond Dam, PA).
When is the first and last frost in Deerfield Township?
In half of years the last spring frost (32°) comes by May 6 and the first fall frost by October 10, about 158 frost-free days, at Tioga Hammond Dam, PA.
What growing zone is Deerfield 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 Deerfield 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 Deerfield 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 Deerfield 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.