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Great Valley Tilden TownshipPhoto: Nicholas · CC BY 2.0
Climate in Tilden Township · NOAA 1991–2020 normals

Tilden Township’s winters are colder but less snowy than most of the U.S.

A typical July afternoon reaches 86°, a January night drops to 21°, and about 21 inches of snow falls in a normal winter.

Colder January nights than 56% of U.S. towns#438 coldest of 1,005 in PA
Less snow than 50% of U.S. towns#148Least snow  of 993 in PA
All PA rankings →

A year in Tilden Township at a glance

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

Jan37°21° 5" snow
Feb41°22° 7" snow
Mar49°29° 5" snow
Apr62°39° Last frost ~Apr 16
May73°49° 1 day 90°+
Jun81°58° 3 days 90°+
Jul86°63° 7 days 90°+Wettest
Aug84°61° 4 days 90°+
Sep76°54° 1 day 90°+
Oct65°42° First frost ~Oct 25
Nov now53°33°
Dec42°26° 4" snow

What stands out about Tilden Township’s climate

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

A normal year

What a year in Tilden Township feels like

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

Winter
40° / 23°
7 days with 1"+ of snow
Spring
61° / 39°
Last frost around Apr 16
Summer
83° / 61°
17 days reach 90°
Fall
64° / 43°
First frost around Oct 25
Best months to be outsideMayJunAugSepOctHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 189 frost-free days a year

In half of years the last 32° night comes by April 16 and the first by October 25. Frost and day counts come from NOAA’s station at Hamburg, PA, 2.3 miles from the town’s center, 160 ft lower.

121
nights at or below 32° in a normal year
560th most of 1,005 in Pennsylvania
More freezing nights than 57% of U.S. towns
1
nights at or below 0°
247th fewest of 1,005 in Pennsylvania
Fewer nights at or below 0° than 55% of U.S. towns
17
days that reach 90°
564th fewest of 1,005 in Pennsylvania
Fewer 90° days than 56% of U.S. towns
<1
days that reach 100°
202nd most of 1,005 in Pennsylvania
More 100° days than 52% of U.S. towns
7aUSDA zone
Plant hardiness zone 7a

The 2023 USDA map puts Tilden Township’s center in zone 7a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 2°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

28
JFMAMJJASOND

90° days by month

Average days at 90° or more

7.4
JFMAMJJASOND
Rain & snow

About 21 inches of snow a winter

Snow, measured at Hamburg, PA, falls mostly in February. 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 133 days a year.

49"
Rain + melted snow a year
120th wettest of 1,005 in Pennsylvania
Wetter than 80% of U.S. towns
21"
Snow in a normal winter
148th least snowy of 993 in Pennsylvania
Less snow than 50% of U.S. towns
29 days
With 1"+ of snow on the ground
511th most of 821 in Pennsylvania
More days with snow on the ground than 58% of U.S. towns

Rain + melted snow by month

Inches of water

5.0"
JFMAMJJASOND

Snowfall by month

Inches of snow

7"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Tilden Township

86% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through April.

5,537 heating degree daysMore heating than 55% of U.S. towns
895 cooling degree daysLess cooling than 52% 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 Hamburg, PA.

Living here

Living with Tilden Township’s climate

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

The garden window

189 frost-free days in zone 7a. The last frost comes by Apr 16 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 25.

Get outside

Months with highs of 62–84° and lows of 40° or more: May, June, August, September and October. 11 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Tilden Township from natural hazards, river flooding is the largest share (60%); heat waves, cold waves, winter storms and ice storms together are 13%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Tilden Township and its neighbors

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

Orwigsburg: January low 20°, July high 85°Auburn: January low 20°, July high 85°Landingville: January low 20°, July high 85°East Brunswick Township: January low 19°, July high 85°North Manheim Township: January low 19°, July high 84°Greenwich Township: January low 20°, July high 85°Richmond Township: January low 21°, July high 86°Shoemakersville: January low 21°, July high 86°Virginville: January low 21°, July high 86°Ontelaunee Township: January low 21°, July high 87°Maidencreek Township: January low 21°, July high 86°Upper Tulpehocken Township: January low 21°, July high 84°Schuylkill Haven: January low 20°, July high 84°Shartlesville: January low 21°, July high 85°Penn Township: January low 21°, July high 86°Leesport: January low 21°, July high 86°Bern Township: January low 22°, July high 86°Hamburg: January low 21°, July high 86°West Hamburg: January low 21°, July high 86°West Brunswick Township: January low 20°, July high 85°Port Clinton: January low 20°, July high 85°Windsor Township: January low 20°, July high 85°Perry Township: January low 21°, July high 86°South Manheim Township: January low 20°, July high 85°Upper Bern Township: January low 21°, July high 85°Centre Township: January low 21°, July high 86°Tilden Township: January low 21°, July high 86°Tilden TownshipHamburgWest HamburgWest Brunswick TownshipPort ClintonWindsor TownshipPerry TownshipSouth Manheim TownshipUpper Bern TownshipCentre Township
ColderMilder19° to 22°
West Brunswick Township19.7° about the same
Port Clinton20.1° about the same
South Manheim Township20.1° about the same
Windsor Township20.3° about the same
Tilden Township20.5°
Hamburg20.5° about the same
West Hamburg20.5° about the same
Upper Bern Township20.6° about the same
Perry Township20.8° about the same
Centre Township21.0° about the same

Climates most like Tilden 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
Tilden Township, PA21°86°49"21"
Bloomington, IN21°85°47"18"
Clarksburg, WV23°85°47"24"
Elsmere, KY23°85°47"23"
Delhi Hills, OH23°86°46"23"

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 Tilden Township averaged 1.4° warmer than the 1900s. The biggest change is in December (+3.1°).

+1.4°1991–2020 vs. 1901–2000

A bigger shift than in 52% of U.S. towns.

Winter+2.3°now 31°, was 29°
Spring+1.0°now 50°, was 49°
Summer+1.1°now 72°, was 71°
Fall+1.2°now 54°, was 53°

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 Tilden Township compares

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

Summer heat86° July high
Hotter July afternoons than 52% of U.S. towns326th hottest of 1,005 in Pennsylvania
Winter cold21° January low
Colder January nights than 56% of U.S. towns438th coldest of 1,005 in Pennsylvania
Precipitation49" a year
Wetter than 80% of U.S. towns120th wettest of 1,005 in Pennsylvania
Snow21" a winter
Less snow than 50% of U.S. towns148th least snowy of 993 in Pennsylvania
Hot days17 days at 90°+
Fewer 90° days than 56% of U.S. towns564th fewest of 1,005 in Pennsylvania
Freezing nights121 a year
More freezing nights than 57% of U.S. towns560th most of 1,005 in Pennsylvania
Growing season189 frost-free days
A longer frost-free season than 56% of U.S. towns228th longest of 1,005 in Pennsylvania
Month by month

Tilden Township weather by month

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

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January37°21°3.5"5.1"111019° – 37°
February41°22°2.7"7.1"91119° – 39°
March49°29°3.8"4.6"10432° – 48°
April62°39°3.9"0.3"12046° – 56°
May73°49°4.0"0.0"14056° – 66°
June81°58°4.7"0.0"12066° – 72°
July86°63°5.0"0.0"11070° – 78°
August84°61°4.8"0.0"11067° – 76°
September76°54°4.9"0.0"10062° – 69°
October65°42°4.3"0.0"11048° – 61°
November53°33°3.3"0.5"9038° – 48°
December42°26°3.9"3.7"11426° – 45°
Year62°41°48.9"21.3"13329
Year to year

How much a month can swing

A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 19° to 39°. June is the most reliable, staying within 6°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Tilden 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 Tilden Township’s center.
  • Snow: Hamburg, PA.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Hamburg, PA, 2.3 miles from the town’s center, 160 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 Tilden Township’s climate

What is the weather like in Tilden Township?

A typical July afternoon reaches 86°, a January night drops to 21°, and about 21 inches of snow falls in a normal winter. Colder January nights than 56% of U.S. towns; hotter July afternoons than 52% of U.S. towns.

How cold does it get in Tilden Township in winter?

January nights average 21°. About 121 nights a year reach 32° or below and 1 reach 0° or below. In the coldest January of the last 30 years the month averaged 19°.

How much snow does Tilden Township get?

About 21 inches in a normal winter at Hamburg, PA, most of it in February, with snow on the ground about 29 days a year.

How hot does it get in Tilden Township?

July, with a typical high of 86° and a low of 63°. About 17 days a year reach 90° (Hamburg, PA).

When is the first and last frost in Tilden Township?

In half of years the last spring frost (32°) comes by April 16 and the first fall frost by October 25, about 189 frost-free days, at Hamburg, PA.

What growing zone is Tilden Township in?

Zone 7a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 2°.

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

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

Is Tilden Township getting warmer?

Yes: 1991–2020 averaged 1.4° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 52% of U.S. towns.

Neighbors talk weather

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