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Climate in Monroe Township · NOAA 1991–2020 normals

Neither notably warm, cold, wet nor dry, Monroe Township sits near the middle of U.S. towns

Expect July afternoons of about 84°. Its July afternoons stay fresher than in 63% of U.S. towns. Compared with 1901–2000, the average now sits 1.2° higher. The heating season runs November to March: each of those months averages under 50°.

More snow than 67% of U.S. towns#322Snowiest  of 994 in PA
Colder January nights than 54% of U.S. towns#519 coldest of 1,006 in PA
All PA rankings →

A year in Monroe Township at a glance

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

Jan36°21° 11" snow
Feb39°22° 8" snow
Mar48°29° 7" snow
Apr62°39° Last frost ~Apr 25
May71°49° 1 day 90°+
Jun79°58° 3 days 90°+
Jul84°63° 8 days 90°+
Aug82°61° 4 days 90°+
Sep75°54° 1 day 90°+Wettest
Oct63°43° First frost ~Oct 22
Nov now51°34°
Dec40°26° 7" snow

What stands out about Monroe Township’s climate

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

A normal year

What a year in Monroe Township feels like

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

Winter
38° / 23°
10 days with 1"+ of snow
Spring
60° / 39°
Last frost around Apr 25
Summer
82° / 61°
17 days reach 90°
Fall
63° / 43°
First frost around Oct 22
Best months to be outsideMayJunJulAugSepOctHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 178 frost-free days a year

In half of years the last 32° night comes by April 25 and the first by October 22. Frost and day counts come from NOAA’s station at Selinsgrove 2 S, PA, 16 miles from the town’s center, 370 ft lower.

131
nights at or below 32° in a normal year
308th most of 1,006 in Pennsylvania
More freezing nights than 69% of U.S. towns
2
nights at or below 0°
433rd most of 1,006 in Pennsylvania
More nights at or below 0° than 53% of U.S. towns
17
days that reach 90°
554th fewest of 1,006 in Pennsylvania
Fewer 90° days than 57% of U.S. towns
<1
days that reach 100°
569th fewest of 1,006 in Pennsylvania
Fewer 100° days than 56% of U.S. towns
6bUSDA zone
Plant hardiness zone 6b

The 2023 USDA map puts Monroe Township’s center in zone 6b: 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

7.7
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Rain & snow

About 34 inches of snow a winter

Snow, measured at Beavertown 1 Ne, PA, falls mostly in January. Precipitation (rain plus melted snow) adds up to 44 inches a year; September is the wettest month and February the driest. Rain or snow falls on about 111 days a year.

44"
Rain + melted snow a year
627th wettest of 1,006 in Pennsylvania
Wetter than 56% of U.S. towns
34"
Snow in a normal winter
322nd snowiest of 994 in Pennsylvania
More snow than 67% of U.S. towns

Rain + melted snow by month

Inches of water

4.5"
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Snowfall by month

Inches of snow

11"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Monroe 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.

5,929 heating degree daysMore heating than 65% of U.S. towns
770 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 Selinsgrove 2 S, PA.

Living here

Living with Monroe Township’s climate

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

The garden window

178 frost-free days in zone 6b. The last frost comes by Apr 25 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 22.

Get outside

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

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Monroe Township from natural hazards, river flooding is the largest share (73%); heat waves, cold waves, winter storms and ice storms together are 4%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Monroe Township and its neighbors

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

Beaver Township: January low 21°, July high 85°Spring Township: January low 21°, July high 85°Franklin Township: January low 21°, July high 84°West Beaver Township: January low 20°, July high 82°Chapman Township: January low 21°, July high 84°Washington Township: January low 20°, July high 84°Greenwood Township: January low 22°, July high 85°Liverpool Township: January low 22°, July high 85°Decatur Township: January low 21°, July high 85°Walker Township: January low 22°, July high 85°Fermanagh Township: January low 22°, July high 85°Lower Mahanoy Township: January low 21°, July high 84°Tuscarora Township: January low 22°, July high 84°West Perry Township: January low 21°, July high 84°Perry Township: January low 21°, July high 84°Richfield: January low 21°, July high 84°Greenwood Township: January low 21°, July high 84°Fayette Township: January low 21°, July high 84°Susquehanna Township: January low 21°, July high 84°Delaware Township: January low 22°, July high 85°Monroe Township: January low 21°, July high 84°Monroe TownshipWest Perry TownshipPerry TownshipRichfieldGreenwood TownshipFayette TownshipSusquehanna TownshipDelaware Township
ColderMilder20° to 22°
West Perry Township20.9° about the same
Richfield21.0° about the same
Monroe Township21.1°
Perry Township21.1° about the same
Greenwood Township21.1° about the same
Fayette Township21.3° about the same
Susquehanna Township21.3° about the same
Delaware Township21.7° about the same

Climates most like Monroe 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
Monroe Township, PA21°84°44"34"
New Albany, OH20°84°43"28"
East Haven, CT22°84°47"34"
Hauppauge, NY23°84°46"32"
McCordsville, IN20°85°44"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 Monroe Township averaged 1.2° warmer than the 1900s. The biggest change is in December (+2.7°).

+1.2°1991–2020 vs. 1901–2000

A smaller shift than in 61% of U.S. towns.

Winter+2.1°now 31°, was 29°
Spring+0.8°now 50°, was 49°
Summer+0.9°now 71°, was 70°
Fall+1.0°now 53°, was 52°

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 Monroe Township compares

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

Summer heat84° July high
Cooler July afternoons than 63% of U.S. towns377th coolest of 1,006 in Pennsylvania
Winter cold21° January low
Colder January nights than 54% of U.S. towns519th coldest of 1,006 in Pennsylvania
Precipitation44" a year
Wetter than 56% of U.S. towns627th wettest of 1,006 in Pennsylvania
Snow34" a winter
More snow than 67% of U.S. towns322nd snowiest of 994 in Pennsylvania
Hot days17 days at 90°+
Fewer 90° days than 57% of U.S. towns554th fewest of 1,006 in Pennsylvania
Freezing nights131 a year
More freezing nights than 69% of U.S. towns308th most of 1,006 in Pennsylvania
Growing season178 frost-free days
A shorter frost-free season than 59% of U.S. towns431st shortest of 1,006 in Pennsylvania
Month by month

Monroe Township weather by month

Highs, lows and precipitation from NOAA’s grid at Monroe Township’s center; snow, wet days and snow on the ground from Beavertown 1 Ne, PA. 1991–2020 normals.

MonthHighLowRain + meltSnowWet days30-yr range
January36°21°3.0"10.7"1119° – 37°
February39°22°2.5"7.7"919° – 38°
March48°29°3.5"6.9"933° – 49°
April62°39°3.8"0.1"1045° – 55°
May71°49°4.0"0.0"1055° – 66°
June79°58°4.1"0.0"1165° – 72°
July84°63°4.3"0.0"969° – 77°
August82°61°3.9"0.0"967° – 75°
September75°54°4.5"0.0"962° – 68°
October63°43°3.9"0.3"848° – 60°
November51°34°3.2"1.4"837° – 47°
December40°26°3.4"6.6"925° – 42°
Year61°42°44.1"33.7"111
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 38°. June is the most reliable, staying within 7°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Monroe 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 Monroe Township’s center.
  • Snow: Beavertown 1 Ne, PA.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Selinsgrove 2 S, PA, 16 miles from the town’s center, 370 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 Monroe Township’s climate

What is the weather like in Monroe Township?

A typical July afternoon reaches 84°, a January night drops to 21°, and about 34 inches of snow falls in a normal winter. Colder January nights than 54% of U.S. towns; cooler July afternoons than 63% of U.S. towns.

How cold does it get in Monroe Township in winter?

January nights average 21°. About 131 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 19°.

How much snow does Monroe Township get?

About 34 inches in a normal winter at Beavertown 1 Ne, PA, most of it in January.

How hot does it get in Monroe Township?

July, with a typical high of 84° and a low of 63°. About 17 days a year reach 90° (Selinsgrove 2 S, PA).

When is the first and last frost in Monroe Township?

In half of years the last spring frost (32°) comes by April 25 and the first fall frost by October 22, about 178 frost-free days, at Selinsgrove 2 S, PA.

What growing zone is Monroe Township in?

Zone 6b 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 Monroe 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 Monroe Township getting warmer?

Yes: 1991–2020 averaged 1.2° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 61% of U.S. towns.

Neighbors talk weather

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