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Homestead and Mount Troy in Reserve TownshipPhoto: Nyttend · Public domain
Climate in Reserve Township · NOAA 1991–2020 normals

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

A typical July afternoon reaches 84°, a January night drops to 22°, and about 44 inches of snow falls in a normal winter.

More snow than 78% of U.S. towns#163Snowiest  of 994 in PA
Milder January nights than 50% of U.S. towns#281Mildest winters  of 1,006 in PA
All PA rankings →

A year in Reserve Township at a glance

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

Jan38°22° 13" snow
Feb41°24° 12" snow
Mar50°31° 8" snow
Apr64°40° Last frost ~Apr 24
May73°50° 1 day 90°+
Jun81°59° 4 days 90°+Wettest
Jul84°63° 8 days 90°+
Aug83°62° 5 days 90°+
Sep77°55° 2 days 90°+
Oct65°43° First frost ~Oct 27
Nov now53°34°
Dec42°27° 8" snow

What stands out about Reserve Township’s climate

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

A normal year

What a year in Reserve Township feels like

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

Winter
40° / 24°
15 days with 1"+ of snow
Spring
62° / 40°
Last frost around Apr 24
Summer
83° / 61°
20 days reach 90°
Fall
65° / 44°
First frost around Oct 27
Best months to be outsideAprMayJunAugSepOctHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 186 frost-free days a year

In half of years the last 32° night comes by April 24 and the first by October 27. Frost and day counts come from NOAA’s station at Emsworth L/d Ohio Rvr, PA, 5 miles from the town’s center, 380 ft lower.

107
nights at or below 32° in a normal year
150th fewest of 1,006 in Pennsylvania
Fewer freezing nights than 56% of U.S. towns
2
nights at or below 0°
403rd fewest of 1,006 in Pennsylvania
Fewer nights at or below 0° than 50% of U.S. towns
20
days that reach 90°
258th most of 1,006 in Pennsylvania
More 90° days than 51% of U.S. towns
<1
days that reach 100°
369th fewest of 1,006 in Pennsylvania
Fewer 100° days than 68% of U.S. towns
6bUSDA zone
Plant hardiness zone 6b

The 2023 USDA map puts Reserve Township’s center in zone 6b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −1°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

25
JFMAMJJASOND

90° days by month

Average days at 90° or more

7.7
JFMAMJJASOND
Rain & snow

About 44 inches of snow a winter

Snow, measured at Pittsburgh International Airport, falls mostly in January. Precipitation (rain plus melted snow) adds up to 40 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 154 days a year.

40"
Rain + melted snow a year
31st driest of 1,006 in Pennsylvania
Drier than 60% of U.S. towns
44"
Snow in a normal winter
163rd snowiest of 994 in Pennsylvania
More snow than 78% of U.S. towns
40 days
With 1"+ of snow on the ground
269th most of 822 in Pennsylvania
More days with snow on the ground than 66% of U.S. towns

Rain + melted snow by month

Inches of water

4.3"
JFMAMJJASOND

Snowfall by month

Inches of snow

13"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Reserve 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.

5,379 heating degree daysMore heating than 51% of U.S. towns
904 cooling degree daysLess cooling than 51% 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 Emsworth L/d Ohio Rvr, PA.

Living here

Living with Reserve Township’s climate

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

The garden window

186 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 27.

Get outside

Months with highs of 62–84° and lows of 40° or more: April, May, June, August, September and October. 5.0 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Reserve Township from natural hazards, river flooding is the largest share (88%); heat waves, cold waves, winter storms and ice storms together are 9%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Reserve Township and its neighbors

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

Baldwin: January low 22°, July high 84°Penn Hills: January low 21°, July high 83°Green Tree: January low 22°, July high 84°Baldwin Township: January low 21°, July high 84°Crafton: January low 22°, July high 84°Ingram: January low 22°, July high 84°Wilkinsburg: January low 21°, July high 83°West Mifflin: January low 22°, July high 84°McKees Rocks: January low 22°, July high 85°Swissvale: January low 22°, July high 84°Bellevue: January low 22°, July high 85°McCandless Township: January low 21°, July high 83°Ohio Township: January low 21°, July high 83°Etna: January low 22°, July high 85°Hampton Township: January low 20°, July high 84°Allison Park: January low 21°, July high 84°Glenshaw: January low 21°, July high 84°O'Hara Township: January low 21°, July high 84°Sharpsburg: January low 22°, July high 85°Indiana Township: January low 21°, July high 84°Pittsburgh: January low 22°, July high 85°Millvale: January low 22°, July high 84°Ross Township: January low 21°, July high 84°Shaler Township: January low 21°, July high 84°Reserve Township: January low 22°, July high 84°Reserve TownshipPittsburghMillvaleRoss TownshipShaler Township
ColderMilder20° to 22°
Ross Township21.0° about the same
Shaler Township21.4° about the same
Reserve Township21.8°
Millvale21.8° about the same
Pittsburgh22.1° about the same

Climates most like Reserve 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
Reserve Township, PA22°84°40"44"
Hartford City, IN19°84°41"32"
Evergreen Park, IL18°84°38"39"
Lincoln Village, OH21°85°40"28"
Walden, NY18°84°44"44"

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 Reserve Township averaged 1.2° warmer than the 1900s. The biggest change is in December (+2.4°).

+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+1.4°now 51°, was 50°
Summer+0.6°now 72°, was 71°
Fall+0.9°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 Reserve Township compares

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

Summer heat84° July high
Cooler July afternoons than 56% of U.S. towns487th coolest of 1,006 in Pennsylvania
Winter cold22° January low
Milder January nights than 50% of U.S. towns281st mildest of 1,006 in Pennsylvania
Precipitation40" a year
Drier than 60% of U.S. towns31st driest of 1,006 in Pennsylvania
Snow44" a winter
More snow than 78% of U.S. towns163rd snowiest of 994 in Pennsylvania
Hot days20 days at 90°+
More 90° days than 51% of U.S. towns258th most of 1,006 in Pennsylvania
Freezing nights107 a year
Fewer freezing nights than 56% of U.S. towns150th fewest of 1,006 in Pennsylvania
Growing season186 frost-free days
A longer frost-free season than 51% of U.S. towns321st longest of 1,006 in Pennsylvania
Month by month

Reserve Township weather by month

Highs, lows and precipitation from NOAA’s grid at Reserve Township’s center; snow, wet days and snow on the ground from Pittsburgh International Airport. 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January38°22°2.9"13.3"171422° – 39°
February41°24°2.5"11.7"141119° – 41°
March50°31°3.2"7.6"14535° – 52°
April64°40°3.4"1.0"14046° – 57°
May73°50°3.9"0.0"14054° – 68°
June81°59°4.3"0.0"12066° – 72°
July84°63°4.3"0.0"11069° – 78°
August83°62°3.6"0.0"11068° – 77°
September77°55°3.5"0.0"10062° – 70°
October65°43°2.9"0.4"11050° – 60°
November53°34°2.8"2.4"12137° – 49°
December42°27°3.1"7.7"15824° – 45°
Year62°42°40.3"44.1"15440
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 6°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Reserve 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 Reserve Township’s center.
  • Snow: Pittsburgh International Airport.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Emsworth L/d Ohio Rvr, PA, 5 miles from the town’s center, 380 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 Reserve Township’s climate

What is the weather like in Reserve Township?

A typical July afternoon reaches 84°, a January night drops to 22°, and about 44 inches of snow falls in a normal winter. Milder January nights than 50% of U.S. towns; cooler July afternoons than 56% of U.S. towns.

How cold does it get in Reserve Township in winter?

January nights average 22°. About 107 nights a year reach 32° or below and 2 reach 0° or below. In the coldest January of the last 30 years the month averaged 22°.

How much snow does Reserve Township get?

About 44 inches in a normal winter at Pittsburgh International Airport, most of it in January, with snow on the ground about 40 days a year.

How hot does it get in Reserve Township?

July, with a typical high of 84° and a low of 63°. About 20 days a year reach 90° (Emsworth L/d Ohio Rvr, PA).

When is the first and last frost in Reserve Township?

In half of years the last spring frost (32°) comes by April 24 and the first fall frost by October 27, about 186 frost-free days, at Emsworth L/d Ohio Rvr, PA.

What growing zone is Reserve Township in?

Zone 6b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −1°.

What is the best time of year to visit Reserve 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 Reserve 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 Reserve 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.