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John White HousePhoto: Generic1139 · CC BY-SA 3.0
Climate in Chartiers Township · NOAA 1991–2020 normals

Chartiers Township’s winters are colder and snowier than most of the U.S.

A typical July afternoon reaches 83°, a January night drops to 21°, and about 32 inches of snow falls in a normal winter.

More snow than 64% of U.S. towns#371Snowiest  of 993 in PA
Colder January nights than 54% of U.S. towns#487 coldest of 1,005 in PA
All PA rankings →

A year in Chartiers Township at a glance

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

Jan37°21° 10" snow
Feb41°23° 8" snow
Mar50°30° 6" snow
Apr63°39° Last frost ~Apr 24
May72°49°
Jun80°58° 1 day 90°+Wettest
Jul83°62° 3 days 90°+
Aug82°60° 2 days 90°+
Sep76°54° 1 day 90°+
Oct64°43° First frost ~Oct 23
Nov now52°33°
Dec42°26° 6" snow

What stands out about Chartiers Township’s climate

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

A normal year

What a year in Chartiers Township feels like

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

Winter
40° / 23°
10 days with 1"+ of snow
Spring
62° / 39°
Last frost around Apr 24
Summer
82° / 60°
6 days reach 90°
Fall
64° / 43°
First frost around Oct 23
Best months to be outsideMayJunJulAugSepOctHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 181 frost-free days a year

In half of years the last 32° night comes by April 24 and the first by October 23. Frost and day counts come from NOAA’s station at Washington 3 Ne, PA, 6 miles from the town’s center, 150 ft higher.

122
nights at or below 32° in a normal year
447th most of 1,005 in Pennsylvania
More freezing nights than 59% of U.S. towns
3
nights at or below 0°
329th most of 1,005 in Pennsylvania
More nights at or below 0° than 56% of U.S. towns
6
days that reach 90°
167th fewest of 1,005 in Pennsylvania
Fewer 90° days than 86% of U.S. towns
0
days that reach 100°
None in a normal year
6bUSDA zone
Plant hardiness zone 6b

The 2023 USDA map puts Chartiers Township’s center in zone 6b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −3°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

27
JFMAMJJASOND

90° days by month

Average days at 90° or more

2.6
JFMAMJJASOND
Rain & snow

About 32 inches of snow a winter

Snow, measured at Washington 3 Ne, PA, falls mostly in January. Precipitation (rain plus melted snow) adds up to 41 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 154 days a year.

41"
Rain + melted snow a year
88th driest of 1,005 in Pennsylvania
Drier than 56% of U.S. towns
32"
Snow in a normal winter
371st snowiest of 993 in Pennsylvania
More snow than 64% of U.S. towns
41 days
With 1"+ of snow on the ground
249th most of 821 in Pennsylvania
More days with snow on the ground than 67% of U.S. towns

Rain + melted snow by month

Inches of water

4.2"
JFMAMJJASOND

Snowfall by month

Inches of snow

10"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Chartiers Township

88% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through April.

5,674 heating degree daysMore heating than 58% of U.S. towns
762 cooling degree daysLess cooling than 63% 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 Washington 3 Ne, PA.

Living here

Living with Chartiers Township’s climate

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

The garden window

181 frost-free days in zone 6b. The last frost comes by Apr 24 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 23.

Get outside

Months with highs of 62–84° and lows of 40° or more: May, June, July, August, September and October. 1.1 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Chartiers Township from natural hazards, river flooding is the largest share (88%); heat waves, cold waves, winter storms and ice storms together are 1%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Chartiers Township and its neighbors

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

Buffalo Township: January low 20°, July high 83°North Franklin Township: January low 21°, July high 83°Washington: January low 21°, July high 83°Hopewell Township: January low 20°, July high 83°Peters Township: January low 21°, July high 83°Lawrence: January low 21°, July high 84°Southpointe: January low 21°, July high 83°Thompsonville: January low 21°, July high 83°Robinson Township: January low 21°, July high 83°McDonald: January low 21°, July high 83°South Fayette Township: January low 21°, July high 83°Nottingham Township: January low 21°, July high 83°Strabane: January low 21°, July high 83°Somerset Township: January low 21°, July high 83°Eighty Four: January low 21°, July high 83°Amwell Township: January low 21°, July high 83°North Bethlehem Township: January low 21°, July high 83°East Washington: January low 21°, July high 83°Laboratory: January low 21°, July high 83°Smith Township: January low 20°, July high 83°Cross Creek Township: January low 20°, July high 83°Southview: January low 21°, July high 83°Canton Township: January low 20°, July high 83°Cecil Township: January low 21°, July high 83°North Strabane Township: January low 21°, July high 83°Houston: January low 21°, July high 84°South Strabane Township: January low 21°, July high 83°McGovern: January low 21°, July high 84°Muse: January low 21°, July high 83°Canonsburg: January low 21°, July high 83°Meadowlands: January low 21°, July high 84°Mount Pleasant Township: January low 20°, July high 83°Midland: January low 21°, July high 83°Westland: January low 21°, July high 83°Chartiers Township: January low 21°, July high 83°Chartiers TownshipCanton TownshipCecil TownshipNorth Strabane TownshipHoustonSouth Strabane TownshipMcGovernMuseCanonsburgMeadowlandsMount Pleasant TownshipMidlandWestland
ColderMilder20° to 21°
Mount Pleasant Township20.3° about the same
Canton Township20.4° about the same
Westland20.5° about the same
South Strabane Township20.8° about the same
Chartiers Township20.9°
Houston20.9° about the same
McGovern20.9° about the same
Meadowlands20.9° about the same
Midland20.9° about the same
Cecil Township21.1° about the same
North Strabane Township21.1° about the same
Muse21.1° about the same
Canonsburg21.1° about the same

Climates most like Chartiers 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
Chartiers Township, PA21°83°41"32"
Hartford City, IN19°84°41"32"
Greenville, OH20°84°41"26"
Calumet City, IL18°84°39"28"
Melville, NY24°84°45"32"

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 Chartiers Township averaged 1.2° warmer than the 1900s. The biggest change is in December (+2.5°).

+1.2°1991–2020 vs. 1901–2000

A smaller shift than in 65% of U.S. towns.

Winter+1.8°now 32°, was 30°
Spring+1.3°now 50°, was 49°
Summer+0.7°now 71°, was 70°
Fall+1.0°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 Chartiers Township compares

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

Summer heat83° July high
Cooler July afternoons than 66% of U.S. towns298th coolest of 1,005 in Pennsylvania
Winter cold21° January low
Colder January nights than 54% of U.S. towns487th coldest of 1,005 in Pennsylvania
Precipitation41" a year
Drier than 56% of U.S. towns88th driest of 1,005 in Pennsylvania
Snow32" a winter
More snow than 64% of U.S. towns371st snowiest of 993 in Pennsylvania
Hot days6 days at 90°+
Fewer 90° days than 86% of U.S. towns167th fewest of 1,005 in Pennsylvania
Freezing nights122 a year
More freezing nights than 59% of U.S. towns447th most of 1,005 in Pennsylvania
Growing season181 frost-free days
A shorter frost-free season than 55% of U.S. towns521st shortest of 1,005 in Pennsylvania
Month by month

Chartiers Township weather by month

Highs, lows and precipitation from NOAA’s grid at Chartiers Township’s center; snow, wet days and snow on the ground from Washington 3 Ne, PA. 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January37°21°3.2"9.9"161421° – 39°
February41°23°2.6"7.5"131219° – 41°
March50°30°3.4"6.1"13634° – 51°
April63°39°3.5"0.6"14045° – 56°
May72°49°4.2"0.0"14054° – 67°
June80°58°4.2"0.0"13065° – 71°
July83°62°4.0"0.0"12068° – 76°
August82°60°3.8"0.0"10067° – 76°
September76°54°3.4"0.0"10061° – 69°
October64°43°3.0"0.0"11050° – 59°
November52°33°2.8"1.8"12236° – 48°
December42°26°3.2"6.0"15823° – 45°
Year62°41°41.3"31.9"15441
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 41°. June is the most reliable, staying within 7°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Chartiers 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 Chartiers Township’s center.
  • Snow: Washington 3 Ne, PA.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Washington 3 Ne, PA, 6 miles from the town’s center, 150 ft higher; 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 Chartiers Township’s climate

What is the weather like in Chartiers Township?

A typical July afternoon reaches 83°, a January night drops to 21°, and about 32 inches of snow falls in a normal winter. Colder January nights than 54% of U.S. towns; cooler July afternoons than 66% of U.S. towns.

How cold does it get in Chartiers Township in winter?

January nights average 21°. 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 21°.

How much snow does Chartiers Township get?

About 32 inches in a normal winter at Washington 3 Ne, PA, most of it in January, with snow on the ground about 41 days a year.

How hot does it get in Chartiers Township?

July, with a typical high of 83° and a low of 62°. About 6 days a year reach 90° (Washington 3 Ne, PA).

When is the first and last frost in Chartiers Township?

In half of years the last spring frost (32°) comes by April 24 and the first fall frost by October 23, about 181 frost-free days, at Washington 3 Ne, PA.

What growing zone is Chartiers Township in?

Zone 6b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −3°.

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

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

Is Chartiers Township getting warmer?

Yes: 1991–2020 averaged 1.2° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 65% of U.S. towns.

Neighbors talk weather

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