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2025-09-15 15 56 29 Aerial view centered on Concord Township, Delaware County, Pennsylvania from an aircraft heading for Newark Liberty International AirportPhoto: Famartin · CC BY-SA 4.0
Climate in Concord Township · NOAA 1991–2020 normals

More precipitation falls on Concord Township than on 73% of U.S. towns: 48 inches a year

On a normal January night the air cools to about 24°. Decade by decade the climate has edged up, 1.9° above 1901–2000. Radiators earn their keep from November to March, the months that average under 50°.

Less snow than 62% of U.S. towns#61Least snow  of 993 in PA
Milder January nights than 60% of U.S. towns#39Mildest winters  of 1,005 in PA
All PA rankings →

A year in Concord Township at a glance

Each month’s typical high and low, and what it brings.

Jan40°24° 5" snow
Feb43°25° 4" snow
Mar51°32°
Apr64°42° Last frost ~Apr 7
May73°52° 1 day 90°+
Jun81°61° 3 days 90°+
Jul86°66° 8 days 90°+
Aug84°65° 4 days 90°+
Sep78°58° 1 day 90°+Wettest
Oct66°46°
Nov now55°36° First frost ~Nov 4
Dec45°28°

What stands out about Concord Township’s climate

Compared with towns across the U.S., with Concord Township’s place in Pennsylvania beside it.

A normal year

What a year in Concord Township feels like

Typical highs and lows by season and by month, from NOAA’s 30-year normals.

Winter
43° / 26°
4 days with 1"+ of snow
Spring
63° / 42°
Last frost around Apr 7
Summer
84° / 64°
17 days reach 90°
Fall
66° / 47°
First frost around Nov 4
Best months to be outsideAprMayJunSepOctHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 209 frost-free days a year

In half of years the last 32° night comes by April 7 and the first by November 4. Frost and day counts come from NOAA’s station at Wilmington Porter Rsch, DE, 7 miles from the town’s center, at about the same height.

87
nights at or below 32° in a normal year
22nd fewest of 1,005 in Pennsylvania
Fewer freezing nights than 67% of U.S. towns
<1
nights at or below 0°
33rd fewest of 1,005 in Pennsylvania
Fewer nights at or below 0° than 66% of U.S. towns
17
days that reach 90°
603rd fewest of 1,005 in Pennsylvania
Fewer 90° days than 55% of U.S. towns
<1
days that reach 100°
569th fewest of 1,005 in Pennsylvania
Fewer 100° days than 56% of U.S. towns
7bUSDA zone
Plant hardiness zone 7b

The 2023 USDA map puts Concord Township’s center in zone 7b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 5°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

24
JFMAMJJASOND

90° days by month

Average days at 90° or more

8.2
JFMAMJJASOND
Rain & snow

About 12 inches of snow a winter

Snow, measured at Wilmington Porter Rsch, DE, falls mostly in January. Precipitation (rain plus melted snow) adds up to 48 inches a year; September is the wettest month and February the driest. Rain or snow falls on about 113 days a year.

48"
Rain + melted snow a year
302nd wettest of 1,005 in Pennsylvania
Wetter than 73% of U.S. towns
12"
Snow in a normal winter
61st least snowy of 993 in Pennsylvania
Less snow than 62% of U.S. towns

Rain + melted snow by month

Inches of water

4.7"
JFMAMJJASOND

Snowfall by month

Inches of snow

5"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Concord Township

84% of the work is heating. Months averaging under 55° run from November through April.

5,181 heating degree daysLess heating than 53% of U.S. towns
977 cooling degree daysMore cooling than 54% of U.S. towns

Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Wilmington Porter Rsch, DE.

Living here

Living with Concord Township’s climate

What the numbers mean for a garden, a free afternoon and a bad-weather day.

The garden window

209 frost-free days in zone 7b. The last frost comes by Apr 7 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 4.

Get outside

Months with highs of 62–84° and lows of 40° or more: April, May, June, September and October. 16 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Concord Township from natural hazards, river flooding is the largest share (54%); heat waves, cold waves, winter storms and ice storms together are 18%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Concord Township and its neighbors

Aston Township the hottest July afternoons (87°, 1° warmer). Differences under a degree are within what the 5 km grid can tell apart. Tap a town to see its climate.

Pennsbury Township: January low 23°, July high 87°Birmingham Township: January low 23°, July high 87°Dilworthtown: January low 24°, July high 86°Upper Chichester Township: January low 26°, July high 87°Middletown Township: January low 25°, July high 87°Thornbury Township: January low 23°, July high 86°Edgmont Township: January low 24°, July high 87°Cheyney University: January low 24°, July high 86°Chester Township: January low 26°, July high 87°Village Green-Green Ridge: January low 26°, July high 87°Brookhaven: January low 26°, July high 87°Chadds Ford Township: January low 24°, July high 86°Bethel Township: January low 25°, July high 87°Chester Heights: January low 24°, July high 87°Thornbury Township: January low 24°, July high 86°Aston Township: January low 26°, July high 87°Concord Township: January low 24°, July high 86°Concord TownshipChadds Ford TownshipBethel TownshipChester HeightsThornbury TownshipAston Township
ColderMilder23° to 26°
Thornbury Township23.5° about the same
Concord Township23.9°
Chadds Ford Township23.9° about the same
Chester Heights24.4° about the same
Bethel Township24.6° about the same
Aston Township25.5° +1.6°

Climates most like Concord 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.

TownJan. lowJuly highPrecip.Snow
Concord Township, PA24°86°48"12"
Scottsburg, IN23°87°48"12"
Georgetown, KY24°86°50"15"
Huntington, WV25°87°46"10"
Forest, VA26°87°47"12"

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.

Then and now

Warmer than it used to be

The last 30 years in Concord Township averaged 1.9° warmer than the 1900s. The biggest change is in December (+3.3°).

+1.9°1991–2020 vs. 1901–2000

A bigger shift than in 83% of U.S. towns.

Winter+2.7°now 34°, was 32°
Spring+1.4°now 52°, was 51°
Summer+1.7°now 74°, was 72°
Fall+1.6°now 56°, was 55°

Change by month

JanFebMarAprMayJunJulAugSepOctNovDec

The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.

Compared with other towns

How Concord Township compares

Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Concord Township’s place among Pennsylvania’s.

Summer heat86° July high
Hotter July afternoons than 56% of U.S. towns204th hottest of 1,005 in Pennsylvania
Winter cold24° January low
Milder January nights than 60% of U.S. towns39th mildest of 1,005 in Pennsylvania
Precipitation48" a year
Wetter than 73% of U.S. towns302nd wettest of 1,005 in Pennsylvania
Snow12" a winter
Less snow than 62% of U.S. towns61st least snowy of 993 in Pennsylvania
Hot days17 days at 90°+
Fewer 90° days than 55% of U.S. towns603rd fewest of 1,005 in Pennsylvania
Freezing nights87 a year
Fewer freezing nights than 67% of U.S. towns22nd fewest of 1,005 in Pennsylvania
Growing season209 frost-free days
A longer frost-free season than 74% of U.S. towns41st longest of 1,005 in Pennsylvania
Month by month

Concord Township weather by month

Highs, lows and precipitation from NOAA’s grid at Concord Township’s center; snow, wet days and snow on the ground from Wilmington Porter Rsch, DE. 1991–2020 normals.

MonthHighLowRain + meltSnowWet days30-yr range
January40°24°3.4"5.3"1024° – 40°
February43°25°2.8"4.0"924° – 42°
March51°32°4.2"1.8"1136° – 50°
April64°42°3.7"0.0"1049° – 58°
May73°52°3.7"0.0"1157° – 68°
June81°61°4.4"0.0"1068° – 76°
July86°66°4.6"0.0"972° – 80°
August84°65°4.4"0.0"970° – 78°
September78°58°4.7"0.0"965° – 72°
October66°46°4.1"0.0"851° – 63°
November55°36°3.4"0.1"840° – 50°
December45°28°4.1"0.8"1029° – 49°
Year64°45°47.5"12.0"113
Year to year

How much a month can swing

A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 29° to 49°. September is the most reliable, staying within 7°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Concord 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 Concord Township’s center.
  • Snow: Wilmington Porter Rsch, DE.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Wilmington Porter Rsch, DE, 7 miles from the town’s center, at about the same height; 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 Concord Township’s climate

What is the weather like in Concord Township?

A typical July afternoon reaches 86°, a January night drops to 24°, and about 12 inches of snow falls in a normal winter. Milder January nights than 60% of U.S. towns; hotter July afternoons than 56% of U.S. towns.

How cold does it get in Concord Township in winter?

January nights average 24°. About 87 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 24°.

How much snow does Concord Township get?

About 12 inches in a normal winter at Wilmington Porter Rsch, DE, most of it in January.

How hot does it get in Concord Township?

July, with a typical high of 86° and a low of 66°. About 17 days a year reach 90° (Wilmington Porter Rsch, DE).

When is the first and last frost in Concord Township?

In half of years the last spring frost (32°) comes by April 7 and the first fall frost by November 4, about 209 frost-free days, at Wilmington Porter Rsch, DE.

What growing zone is Concord Township in?

Zone 7b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 5°.

What is the best time of year to visit Concord Township?

By one simple rule (highs of 62–84° and lows of 40° or more), April, May, June, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.

Is Concord Township getting warmer?

Yes: 1991–2020 averaged 1.9° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 83% of U.S. towns.

Neighbors talk weather

Gardens, snow, and the best days of the year in Concord Township.

Town Square →
Ask your neighbors

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.