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Wildcat Falls, Hellam TownshipPhoto: Nicholas · CC BY 2.0
Climate in Hellam Township · NOAA 1991–2020 normals

Hellam Township’s winters are milder but snowier than most of the U.S.

A typical July afternoon reaches 85°, a January night drops to 22°, and about 24 inches of snow falls in a normal winter.

More snow than 53% of U.S. towns#722Snowiest  of 993 in PA
Milder January nights than 50% of U.S. towns#281Mildest winters  of 1,005 in PA
All PA rankings →

A year in Hellam Township at a glance

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

Jan38°22° 7" snow
Feb42°23° 9" snow
Mar51°31° 3" snow
Apr63°40° Last frost ~Apr 30
May73°51° 1 day 90°+
Jun81°60° 4 days 90°+
Jul85°65° 8 days 90°+
Aug83°63° 5 days 90°+
Sep77°55° 2 days 90°+Wettest
Oct65°44° First frost ~Oct 10
Nov now53°34°
Dec43°27° 5" snow

What stands out about Hellam Township’s climate

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

A normal year

What a year in Hellam Township feels like

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

Winter
41° / 24°
5 days with 1"+ of snow
Spring
62° / 41°
Last frost around Apr 30
Summer
83° / 62°
20 days reach 90°
Fall
65° / 45°
First frost around Oct 10
Best months to be outsideAprMayJunAugSepOctHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 162 frost-free days a year

In half of years the last 32° night comes by April 30 and the first by October 10. Frost and day counts come from NOAA’s station at Landisville 2 Nw, PA, 11 miles from the town’s center, 150 ft lower.

122
nights at or below 32° in a normal year
470th most of 1,005 in Pennsylvania
More freezing nights than 58% of U.S. towns
3
nights at or below 0°
303rd most of 1,005 in Pennsylvania
More nights at or below 0° than 57% of U.S. towns
20
days that reach 90°
229th most of 1,005 in Pennsylvania
More 90° days than 51% 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 Hellam Township’s center in zone 7a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 0°. 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

8.4
JFMAMJJASOND
Rain & snow

About 24 inches of snow a winter

Snow, measured at York Haven, PA, falls mostly in February. Precipitation (rain plus melted snow) adds up to 45 inches a year; September is the wettest month and February the driest. Rain or snow falls on about 120 days a year.

45"
Rain + melted snow a year
545th wettest of 1,005 in Pennsylvania
Wetter than 59% of U.S. towns
24"
Snow in a normal winter
722nd snowiest of 993 in Pennsylvania
More snow than 53% of U.S. towns
19 days
With 1"+ of snow on the ground
116th fewest of 821 in Pennsylvania
Fewer days with snow on the ground than 53% of U.S. towns

Rain + melted snow by month

Inches of water

4.6"
JFMAMJJASOND

Snowfall by month

Inches of snow

9"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Hellam Township

89% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through April.

5,747 heating degree daysMore heating than 60% of U.S. towns
729 cooling degree daysLess 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 Landisville 2 Nw, PA.

Living here

Living with Hellam Township’s climate

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

The garden window

162 frost-free days in zone 7a. The last frost comes by Apr 30 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.

Get outside

Months with highs of 62–84° and lows of 40° or more: April, May, June, August, September and October. 33 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Hellam Township from natural hazards, river flooding is the largest share (72%); heat waves, cold waves, winter storms and ice storms together are 7%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Hellam Township and its neighbors

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

Rapho Township: January low 22°, July high 85°Columbia: January low 22°, July high 86°East Hempfield Township: January low 22°, July high 86°Mountville: January low 22°, July high 86°Marietta: January low 22°, July high 86°Mount Joy: January low 22°, July high 86°West Donegal Township: January low 22°, July high 85°Mount Joy Township: January low 22°, July high 85°Rheems: January low 22°, July high 85°Conewago Township: January low 22°, July high 86°Newberry Township: January low 22°, July high 86°Manchester Township: January low 22°, July high 86°Saginaw: January low 22°, July high 86°York Haven: January low 22°, July high 86°Chanceford Township: January low 22°, July high 85°Windsor Township: January low 22°, July high 85°Spring Garden Township: January low 22°, July high 86°Pleasureville: January low 22°, July high 86°York Township: January low 22°, July high 85°Stonybrook: January low 22°, July high 86°East York: January low 22°, July high 86°York: January low 22°, July high 86°Londonderry Township: January low 22°, July high 86°Falmouth: January low 22°, July high 86°Conestoga Township: January low 22°, July high 86°Lancaster Township: January low 22°, July high 86°Millersville: January low 22°, July high 86°Pequea Township: January low 22°, July high 86°West Hempfield Township: January low 22°, July high 86°East Donegal Township: January low 22°, July high 86°East Manchester Township: January low 22°, July high 86°Lower Windsor Township: January low 22°, July high 86°Wrightsville: January low 22°, July high 86°Springettsbury Township: January low 22°, July high 86°Conoy Township: January low 22°, July high 86°Manor Township: January low 22°, July high 86°Hellam Township: January low 22°, July high 85°Hellam TownshipWest Hempfield TownshipEast Donegal TownshipEast Manchester TownshipLower Windsor TownshipWrightsvilleSpringettsbury TownshipConoy TownshipManor Township
ColderMilder22° to 22°
Hellam Township21.8°
Springettsbury Township21.8° about the same
West Hempfield Township21.9° about the same
East Donegal Township21.9° about the same
Lower Windsor Township21.9° about the same
Manor Township22.0° about the same
Wrightsville22.1° about the same
East Manchester Township22.2° about the same
Conoy Township22.4° about the same

Climates most like Hellam 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
Hellam Township, PA22°85°45"24"
Francisville, KY23°86°45"23"
Oxford, OH21°85°44"25"
Lawrenceburg, IN23°86°45"23"
New Martinsville, WV22°85°46"27"

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 Hellam Township averaged 1.8° warmer than the 1900s. The biggest change is in December (+3.2°).

+1.8°1991–2020 vs. 1901–2000

A bigger shift than in 81% of U.S. towns.

Winter+2.5°now 32°, was 30°
Spring+1.6°now 51°, was 50°
Summer+1.6°now 73°, was 71°
Fall+1.6°now 55°, 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 Hellam Township compares

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

Summer heat85° July high
Hotter July afternoons than 51% of U.S. towns365th hottest of 1,005 in Pennsylvania
Winter cold22° January low
Milder January nights than 50% of U.S. towns281st mildest of 1,005 in Pennsylvania
Precipitation45" a year
Wetter than 59% of U.S. towns545th wettest of 1,005 in Pennsylvania
Snow24" a winter
More snow than 53% of U.S. towns722nd snowiest of 993 in Pennsylvania
Hot days20 days at 90°+
More 90° days than 51% of U.S. towns229th most of 1,005 in Pennsylvania
Freezing nights122 a year
More freezing nights than 58% of U.S. towns470th most of 1,005 in Pennsylvania
Growing season162 frost-free days
A shorter frost-free season than 82% of U.S. towns124th shortest of 1,005 in Pennsylvania
Month by month

Hellam Township weather by month

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

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January38°22°3.1"7.0"10520° – 38°
February42°23°2.6"8.8"9821° – 41°
March51°31°3.8"3.0"10335° – 51°
April63°40°3.6"0.0"11047° – 57°
May73°51°3.9"0.0"13057° – 67°
June81°60°4.1"0.0"10067° – 73°
July85°65°4.5"0.0"11070° – 79°
August83°63°3.9"0.0"10069° – 76°
September77°55°4.6"0.0"8063° – 70°
October65°44°4.1"0.0"9050° – 61°
November53°34°3.2"0.1"9038° – 49°
December43°27°3.5"4.8"10326° – 46°
Year63°43°44.8"23.7"12019
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 21° to 41°. September is the most reliable, staying within 6°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Hellam 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 Hellam Township’s center.
  • Snow: York Haven, PA.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Landisville 2 Nw, PA, 11 miles from the town’s center, 150 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 Hellam Township’s climate

What is the weather like in Hellam Township?

A typical July afternoon reaches 85°, a January night drops to 22°, and about 24 inches of snow falls in a normal winter. Milder January nights than 50% of U.S. towns; hotter July afternoons than 51% of U.S. towns.

How cold does it get in Hellam Township in winter?

January nights average 22°. About 122 nights a year reach 32° or below and 3 reach 0° or below. In the coldest January of the last 30 years the month averaged 20°.

How much snow does Hellam Township get?

About 24 inches in a normal winter at York Haven, PA, most of it in February, with snow on the ground about 19 days a year.

How hot does it get in Hellam Township?

July, with a typical high of 85° and a low of 65°. About 20 days a year reach 90° (Landisville 2 Nw, PA).

When is the first and last frost in Hellam Township?

In half of years the last spring frost (32°) comes by April 30 and the first fall frost by October 10, about 162 frost-free days, at Landisville 2 Nw, PA.

What growing zone is Hellam Township in?

Zone 7a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 0°.

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

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

Is Hellam Township getting warmer?

Yes: 1991–2020 averaged 1.8° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 81% of U.S. towns.

Neighbors talk weather

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