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Climate in Wayne · NOAA 1991–2020 normals

Wayne’s winters are milder and less snowy than most of the U.S.

A typical July afternoon reaches 86°, a January night drops to 24°, and about 8 inches of snow falls in a normal winter.

Less snow than 67% of U.S. towns#19Least snow  of 993 in PA
Milder January nights than 59% of U.S. towns#46Mildest winters  of 1,005 in PA
All PA rankings →

A year in Wayne at a glance

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

Jan40°24°
Feb43°25°
Mar51°32°
Apr63°42° Last frost ~Apr 81 day 90°+
May73°52° 3 days 90°+
Jun81°61° 7 days 90°+
Jul86°66° 15 days 90°+Wettest
Aug84°65° 10 days 90°+
Sep77°58° 4 days 90°+
Oct66°46° First frost ~Oct 31
Nov now54°37°
Dec45°28°

What stands out about Wayne’s climate

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

A normal year

What a year in Wayne feels like

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

Winter
42° / 26°
3 days with 1"+ of snow
Spring
62° / 42°
Last frost around Apr 8
Summer
84° / 64°
39 days reach 90°
Fall
66° / 47°
First frost around Oct 31
Best months to be outsideAprMayJunSepOctHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 203 frost-free days a year

In half of years the last 32° night comes by April 8 and the first by October 31. Frost and day counts come from NOAA’s station at Norristown, PA, 6 miles from the town’s center, 350 ft lower.

107
nights at or below 32° in a normal year
132nd fewest of 1,005 in Pennsylvania
Fewer freezing nights than 56% 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
39
days that reach 90°
2nd most of 1,005 in Pennsylvania
More 90° days than 69% of U.S. towns
2
days that reach 100°
2nd most of 1,005 in Pennsylvania
More 100° days than 79% of U.S. towns
7aUSDA zone
Plant hardiness zone 7a

The 2023 USDA map puts Wayne’s center in zone 7a: 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°

26
JFMAMJJASOND

90° days by month

Average days at 90° or more

15
JFMAMJJASOND
Rain & snow

About 8 inches of snow a winter

Snow, measured at Conshohocken, PA, falls mostly in January. Precipitation (rain plus melted snow) adds up to 49 inches a year; July is the wettest month and February the driest. Rain or snow falls on about 111 days a year.

49"
Rain + melted snow a year
153rd wettest of 1,005 in Pennsylvania
Wetter than 78% of U.S. towns
7.6"
Snow in a normal winter
19th least snowy of 993 in Pennsylvania
Less snow than 67% of U.S. towns
9 days
With 1"+ of snow on the ground
The fewest of 821 in Pennsylvania
Fewer days with snow on the ground than 62% of U.S. towns

Rain + melted snow by month

Inches of water

4.8"
JFMAMJJASOND

Snowfall by month

Inches of snow

3"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Wayne

80% of the work is heating. Months averaging under 55° run from November through April.

4,869 heating degree daysLess heating than 59% of U.S. towns
1,254 cooling degree daysMore cooling than 66% 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 Norristown, PA.

Living here

Living with Wayne’s climate

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

The garden window

203 frost-free days in zone 7a. The last frost comes by Apr 8 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 31.

Get outside

Months with highs of 62–84° and lows of 40° or more: April, May, June, September and October. 0.4 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Wayne from natural hazards, river flooding is the largest share (58%); heat waves, cold waves, winter storms and ice storms together are 17%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Wayne and its neighbors

Every town next door is within a degree of Wayne in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.

Berwyn: January low 23°, July high 86°Newtown Township: January low 24°, July high 87°Willistown Township: January low 23°, July high 86°Devon: January low 23°, July high 87°Haverford Township: January low 25°, July high 87°Lower Merion Township: January low 24°, July high 87°Marple Township: January low 24°, July high 87°Upper Merion Township: January low 23°, July high 87°King of Prussia: January low 23°, July high 87°Paoli: January low 23°, July high 87°Schuylkill Township: January low 23°, July high 88°East Whiteland Township: January low 23°, July high 87°St. Davids: January low 24°, July high 87°Easttown Township: January low 23°, July high 86°Radnor Township: January low 24°, July high 87°Tredyffrin Township: January low 23°, July high 87°Wayne: January low 24°, July high 86°WayneSt. DavidsEasttown TownshipRadnor TownshipTredyffrin Township
ColderMilder23° to 25°
Tredyffrin Township23.3° about the same
Easttown Township23.4° about the same
Wayne23.6°
St. Davids24.0° about the same
Radnor Township24.0° about the same

Climates most like Wayne’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
Wayne, PA24°86°49"7.6"
Danville, KY25°86°49"7.4"
Washington, IN22°87°48"9.2"
Elizabethton, TN26°86°47"6.0"
Huntington, WV25°87°46"10"

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 Wayne averaged 2.0° warmer than the 1900s. The biggest change is in December (+3.5°).

+2.0°1991–2020 vs. 1901–2000

A bigger shift than in 89% of U.S. towns.

Winter+2.8°now 34°, was 31°
Spring+1.6°now 52°, was 50°
Summer+1.9°now 74°, was 72°
Fall+1.7°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 Wayne compares

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

Summer heat86° July high
Hotter July afternoons than 58% of U.S. towns148th hottest of 1,005 in Pennsylvania
Winter cold24° January low
Milder January nights than 59% of U.S. towns46th mildest of 1,005 in Pennsylvania
Precipitation49" a year
Wetter than 78% of U.S. towns153rd wettest of 1,005 in Pennsylvania
Snow7.6" a winter
Less snow than 67% of U.S. towns19th least snowy of 993 in Pennsylvania
Hot days39 days at 90°+
More 90° days than 69% of U.S. towns2nd most of 1,005 in Pennsylvania
Freezing nights107 a year
Fewer freezing nights than 56% of U.S. towns132nd fewest of 1,005 in Pennsylvania
Growing season203 frost-free days
A longer frost-free season than 69% of U.S. towns87th longest of 1,005 in Pennsylvania
Month by month

Wayne weather by month

Highs, lows and precipitation from NOAA’s grid at Wayne’s center; snow, wet days and snow on the ground from Conshohocken, PA. 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January40°24°3.5"2.7"9324° – 39°
February43°25°2.9"2.4"9323° – 41°
March51°32°4.2"0.6"10236° – 50°
April63°42°3.7"0.1"11048° – 57°
May73°52°3.9"0.0"11057° – 68°
June81°61°4.4"0.0"9068° – 75°
July86°66°4.8"0.0"9072° – 80°
August84°65°4.6"0.0"9070° – 78°
September77°58°4.7"0.0"8064° – 72°
October66°46°4.1"0.0"9051° – 63°
November54°37°3.4"0.2"8039° – 50°
December45°28°4.3"1.6"10129° – 49°
Year64°45°48.5"7.6"1119
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 Wayne’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 Wayne’s center.
  • Snow: Conshohocken, PA.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Norristown, PA, 6 miles from the town’s center, 350 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 Wayne’s climate

What is the weather like in Wayne?

A typical July afternoon reaches 86°, a January night drops to 24°, and about 8 inches of snow falls in a normal winter. Milder January nights than 59% of U.S. towns; hotter July afternoons than 58% of U.S. towns.

How cold does it get in Wayne in winter?

January nights average 24°. About 107 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 24°.

How much snow does Wayne get?

About 7.6 inches in a normal winter at Conshohocken, PA, most of it in January, with snow on the ground about 9 days a year.

How hot does it get in Wayne?

July, with a typical high of 86° and a low of 66°. About 39 days a year reach 90° and 2 reach 100° (Norristown, PA).

When is the first and last frost in Wayne?

In half of years the last spring frost (32°) comes by April 8 and the first fall frost by October 31, about 203 frost-free days, at Norristown, PA.

What growing zone is Wayne in?

Zone 7a 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 Wayne?

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 Wayne getting warmer?

Yes: 1991–2020 averaged 2.0° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 89% of U.S. towns.

Neighbors talk weather

Gardens, snow, and the best days of the year in Wayne.

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.