Guest, Sign inJoin

Post to Notre Dame

We’ll email a one-tap link to publish your post. No password, and nothing is public until you click it.
Already a member? Sign in
NDU-main-buildingPhoto: Public domain · Public domain
Climate in Notre Dame · NOAA 1991–2020 normals

Notre Dame has colder winter nights than 72% of U.S. towns

Expect July afternoons of about 83°. Its July afternoons stay fresher than in 66% of U.S. towns. Compared with 1901–2000, the average now sits 1.4° higher. Picnics, hikes and garden evenings come into their own from May to October, with highs of 63–83°.

More snow than 90% of U.S. towns#8Snowiest  of 551 in IN
Colder January nights than 72% of U.S. towns#150 coldest of 552 in IN
All IN rankings →

A year in Notre Dame at a glance

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

Jan32°18° 22" snow
Feb36°20° 16" snow
Mar47°28° 7" snow
Apr60°37° Last frost ~Apr 23
May71°48° 2 days 90°+
Jun80°58° 4 days 90°+Wettest
Jul83°62° 5 days 90°+
Aug81°60° 3 days 90°+
Sep75°53° 4 days 90°+
Oct63°42° First frost ~Oct 23
Nov now48°32° 5" snow
Dec37°23° 14" snow

What stands out about Notre Dame’s climate

Compared with towns across the U.S., with Notre Dame’s place in Indiana beside it.

A normal year

What a year in Notre Dame feels like

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

Winter
35° / 20°
20 days with 1"+ of snow
Spring
59° / 38°
Last frost around Apr 23
Summer
82° / 60°
17 days reach 90°
Fall
62° / 42°
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 23 and the first by October 23. Frost and day counts come from NOAA’s station at S Bend, IN, 0.5 miles from the town’s center, at about the same height.

Short record. NOAA estimated S Bend, IN’s counts from 3 years of data and its neighbors’, not a full 30-year record.
133
nights at or below 32° in a normal year
65th most of 552 in Indiana
More freezing nights than 70% of U.S. towns
5
nights at or below 0°
325th most of 552 in Indiana
More nights at or below 0° than 68% of U.S. towns
17
days that reach 90°
311th fewest of 552 in Indiana
Fewer 90° days than 56% of U.S. towns
0
days that reach 100°
None in a normal year
6aUSDA zone
Plant hardiness zone 6a

The 2023 USDA map puts Notre Dame’s center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −7°. 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

5.2
JFMAMJJASOND
Rain & snow

About 65 inches of snow a winter

Snow, measured at South Bend Michiana Rgnl 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 148 days a year.

40"
Rain + melted snow a year
148th driest of 552 in Indiana
Drier than 61% of U.S. towns
65"
Snow in a normal winter
8th snowiest of 551 in Indiana
More snow than 90% of U.S. towns
52 days
With 1"+ of snow on the ground
13th most of 413 in Indiana
More days with snow on the ground than 74% of U.S. towns

Rain + melted snow by month

Inches of water

4.2"
JFMAMJJASOND

Snowfall by month

Inches of snow

22"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Notre Dame

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.

6,235 heating degree daysMore heating than 72% of U.S. towns
737 cooling degree daysLess cooling than 65% 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 S Bend, IN.

Living here

Living with Notre Dame’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 6a. The last frost comes by Apr 23 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. 1.9 miles of trails are waiting.

Parks & trails →
Storms and extremes

Cold waves are 33% of the yearly building losses FEMA expects in Notre Dame from natural hazards, the largest share. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Notre Dame and its neighbors

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

Ardmore: January low 17°, July high 83°Gilmer Park: January low 17°, July high 83°Mishawaka: January low 17°, July high 83°Penn Township: January low 17°, July high 83°German Township: January low 17°, July high 83°Niles Township: January low 18°, July high 83°Harris Township: January low 17°, July high 83°Centre Township: January low 17°, July high 83°Warren Township: January low 17°, July high 83°Greene Township: January low 17°, July high 83°South Bend: January low 18°, July high 83°Clay Township: January low 18°, July high 83°Portage Township: January low 18°, July high 83°Notre Dame: January low 18°, July high 83°Notre DameSouth BendClay TownshipPortage Township
ColderMilder17° to 18°
Notre Dame17.5°
South Bend17.5° about the same
Clay Township17.5° about the same
Portage Township17.5° about the same

Climates most like Notre Dame’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
Notre Dame, IN18°83°40"65"
Clearfield, PA18°83°41"63"
Girard, OH19°83°41"68"
Troy, NY16°84°41"59"
Salem, NH16°84°46"58"

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 Notre Dame averaged 1.4° warmer than the 1900s. The biggest change is in December (+2.7°).

+1.4°1991–2020 vs. 1901–2000

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

Winter+2.2°now 27°, was 25°
Spring+1.6°now 48°, was 47°
Summer+0.8°now 71°, was 70°
Fall+1.0°now 52°, was 51°

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 Notre Dame compares

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

Summer heat83° July high
Cooler July afternoons than 66% of U.S. towns88th coolest of 552 in Indiana
Winter cold18° January low
Colder January nights than 72% of U.S. towns150th coldest of 552 in Indiana
Precipitation40" a year
Drier than 61% of U.S. towns148th driest of 552 in Indiana
Snow65" a winter
More snow than 90% of U.S. towns8th snowiest of 551 in Indiana
Hot days17 days at 90°+
Fewer 90° days than 56% of U.S. towns311th fewest of 552 in Indiana
Freezing nights133 a year
More freezing nights than 70% of U.S. towns65th most of 552 in Indiana
Growing season181 frost-free days
A shorter frost-free season than 55% of U.S. towns264th shortest of 552 in Indiana
Month by month

Notre Dame weather by month

Highs, lows and precipitation from NOAA’s grid at Notre Dame’s center; snow, wet days and snow on the ground from South Bend Michiana Rgnl Airport. 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January32°18°2.7"21.6"172016° – 36°
February36°20°2.3"16.1"131415° – 37°
March47°28°2.4"6.8"12529° – 52°
April60°37°3.6"1.0"13040° – 54°
May71°48°4.2"0.0"13053° – 66°
June80°58°4.2"0.0"11064° – 73°
July83°62°4.0"0.0"10068° – 79°
August81°60°4.1"0.0"10066° – 76°
September75°53°3.5"0.0"10058° – 68°
October63°42°3.7"0.2"12049° – 59°
November48°32°2.9"5.1"13333° – 48°
December37°23°2.5"13.7"151017° – 40°
Year59°40°39.9"64.5"14852
Year to year

How much a month can swing

A normal is an average. March swings the most: from 1991 to 2020 its average ranged from 29° to 52°. June is the most reliable, staying within 9°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Notre Dame’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 Notre Dame’s center.
  • Snow: South Bend Michiana Rgnl Airport.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: S Bend, IN, 0.5 miles from the town’s center, at about the same height; 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 Notre Dame’s climate

What is the weather like in Notre Dame?

A typical July afternoon reaches 83°, a January night drops to 18°, and about 65 inches of snow falls in a normal winter. Colder January nights than 72% of U.S. towns; cooler July afternoons than 66% of U.S. towns.

How cold does it get in Notre Dame in winter?

January nights average 18°. About 133 nights a year reach 32° or below and 5 reach 0° or below. In the coldest January of the last 30 years the month averaged 16°.

How much snow does Notre Dame get?

About 65 inches in a normal winter at South Bend Michiana Rgnl Airport, most of it in January, with snow on the ground about 52 days a year.

How hot does it get in Notre Dame?

July, with a typical high of 83° and a low of 62°. About 17 days a year reach 90° (S Bend, IN).

When is the first and last frost in Notre Dame?

In half of years the last spring frost (32°) comes by April 23 and the first fall frost by October 23, about 181 frost-free days, at S Bend, IN.

What growing zone is Notre Dame in?

Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −7°.

What is the best time of year to visit Notre Dame?

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 Notre Dame 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 Notre Dame.

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.