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Climate in Northeast Ithaca · NOAA 1991–2020 normals

Afternoon heat in Northeast Ithaca trails that of 84% of U.S. towns

Nights in January average 16°. Only 66° separates winter nights from summer afternoons. Winter nights are cold: in January they are colder than in 81% of U.S. towns. Homes need heating from November to April, the months averaging under 50°.

More snow than 89% of U.S. towns#369Snowiest  of 855 in NY
Colder January nights than 81% of U.S. towns#382 coldest of 876 in NY
All NY rankings →

A year in Northeast Ithaca at a glance

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

Jan32°16° 17" snow
Feb34°18° 15" snow
Mar43°24° 12" snow
Apr56°34°
May69°45° Last frost ~May 11
Jun78°54° 1 day 90°+Wettest
Jul82°59° 2 days 90°+
Aug80°57° 1 day 90°+
Sep73°51°
Oct60°40° First frost ~Oct 3
Nov now48°31° 5" snow
Dec37°23° 12" snow

What stands out about Northeast Ithaca’s climate

Compared with towns across the U.S., with Northeast Ithaca’s place in New York beside it.

A normal year

What a year in Northeast Ithaca feels like

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

Winter
34° / 19°
20 days with 1"+ of snow
Spring
56° / 34°
Last frost around May 11
Summer
80° / 57°
5 days reach 90°
Fall
60° / 41°
First frost around Oct 3
Best months to be outsideMayJunJulAugSepHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 145 frost-free days a year

In half of years the last 32° night comes by May 11 and the first by October 3. Frost and day counts come from NOAA’s station at Ithaca Cornell Univ, NY, 1.5 miles from the town’s center, at about the same height.

148
nights at or below 32° in a normal year
293rd most of 876 in New York
More freezing nights than 83% of U.S. towns
10
nights at or below 0°
295th most of 876 in New York
More nights at or below 0° than 85% of U.S. towns
5
days that reach 90°
254th fewest of 876 in New York
Fewer 90° days than 90% 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 Northeast Ithaca’s center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −10°. 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

2.3
JFMAMJJASOND
Rain & snow

About 63 inches of snow a winter

Snow, measured at Ithaca Cornell Univ, NY, falls mostly in January. Precipitation (rain plus melted snow) adds up to 38 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 166 days a year.

38"
Rain + melted snow a year
171st driest of 876 in New York
Drier than 67% of U.S. towns
63"
Snow in a normal winter
369th snowiest of 855 in New York
More snow than 89% of U.S. towns
73 days
With 1"+ of snow on the ground
291st most of 654 in New York
More days with snow on the ground than 87% of U.S. towns

Rain + melted snow by month

Inches of water

4.1"
JFMAMJJASOND

Snowfall by month

Inches of snow

17"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Northeast Ithaca

95% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through April.

7,207 heating degree daysMore heating than 89% of U.S. towns
416 cooling degree daysLess cooling than 90% 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 Ithaca Cornell Univ, NY.

Living here

Living with Northeast Ithaca’s climate

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

The garden window

145 frost-free days in zone 6a. The last frost comes by May 11 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 3.

Get outside

Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 1.0 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Northeast Ithaca from natural hazards, river flooding is the largest share (71%); 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

Northeast Ithaca and its neighbors

Dryden has the coldest January nights next door (15°, 1° colder). Differences under a degree are within what the 5 km grid can tell apart. Tap a town to see its climate.

Enfield: January low 15°, July high 80°Danby: January low 14°, July high 79°Newfield: January low 15°, July high 80°Ulysses: January low 17°, July high 82°Ithaca: January low 17°, July high 83°Genoa: January low 16°, July high 80°Covert: January low 17°, July high 82°Groton: January low 15°, July high 79°Locke: January low 16°, July high 80°Caroline: January low 14°, July high 79°Virgil: January low 13°, July high 78°McLean: January low 15°, July high 80°Ithaca: January low 16°, July high 81°Cayuga Heights: January low 16°, July high 82°Lansing: January low 16°, July high 82°Lansing: January low 16°, July high 82°Dryden: January low 15°, July high 80°Northeast Ithaca: January low 16°, July high 82°Northeast IthacaIthacaCayuga HeightsLansingLansingDryden
ColderMilder13° to 17°
Dryden14.9° −1.1°
Ithaca15.5° about the same
Northeast Ithaca16.0°
Cayuga Heights16.0° about the same
Lansing16.0° about the same
Lansing16.3° about the same

Climates most like Northeast Ithaca’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
Northeast Ithaca, NY16°82°38"63"
Forest Hills, MI17°83°37"66"
La Porte, IN17°83°40"65"
Broadview Heights, OH20°82°40"65"
DuBois, PA17°81°43"63"

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 Northeast Ithaca averaged 1.1° warmer than the 1900s. The biggest change is in February (+2.7°).

+1.1°1991–2020 vs. 1901–2000

A smaller shift than in 70% of U.S. towns.

Winter+2.2°now 27°, was 24°
Spring+0.7°now 45°, was 44°
Summer+0.6°now 68°, was 68°
Fall+1.0°now 50°, was 49°

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 Northeast Ithaca compares

Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Northeast Ithaca’s place among New York’s.

Summer heat82° July high
Cooler July afternoons than 84% of U.S. towns447th coolest of 876 in New York
Winter cold16° January low
Colder January nights than 81% of U.S. towns382nd coldest of 876 in New York
Precipitation38" a year
Drier than 67% of U.S. towns171st driest of 876 in New York
Snow63" a winter
More snow than 89% of U.S. towns369th snowiest of 855 in New York
Hot days5 days at 90°+
Fewer 90° days than 90% of U.S. towns254th fewest of 876 in New York
Freezing nights148 a year
More freezing nights than 83% of U.S. towns293rd most of 876 in New York
Growing season145 frost-free days
A shorter frost-free season than 94% of U.S. towns86th shortest of 876 in New York
Month by month

Northeast Ithaca weather by month

Highs, lows and precipitation from NOAA’s grid at Northeast Ithaca’s center; snow, wet days and snow on the ground from Ithaca Cornell Univ, NY. 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January32°16°2.3"16.6"162115° – 33°
February34°18°2.0"14.5"132011° – 34°
March43°24°2.7"12.0"141326° – 46°
April56°34°3.2"2.8"14139° – 50°
May69°45°3.3"0.0"15051° – 62°
June78°54°4.1"0.0"14063° – 71°
July82°59°3.9"0.0"13066° – 74°
August80°57°3.7"0.0"12065° – 72°
September73°51°3.9"0.0"12059° – 66°
October60°40°3.7"0.2"15045° – 57°
November48°31°2.8"4.6"14434° – 45°
December37°23°2.7"12.2"161422° – 41°
Year58°38°38.2"62.9"16673
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 11° to 34°. September is the most reliable, staying within 7°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Northeast Ithaca’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 Northeast Ithaca’s center.
  • Snow: Ithaca Cornell Univ, NY (NOAA station in town).
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Ithaca Cornell Univ, NY, 1.5 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 Northeast Ithaca’s climate

What is the weather like in Northeast Ithaca?

A typical July afternoon reaches 82°, a January night drops to 16°, and about 63 inches of snow falls in a normal winter. Colder January nights than 81% of U.S. towns; cooler July afternoons than 84% of U.S. towns.

How cold does it get in Northeast Ithaca in winter?

January nights average 16°. About 148 nights a year reach 32° or below and 10 reach 0° or below. In the coldest January of the last 30 years the month averaged 15°.

How much snow does Northeast Ithaca get?

About 63 inches in a normal winter at Ithaca Cornell Univ, NY, most of it in January, with snow on the ground about 73 days a year.

How hot does it get in Northeast Ithaca?

July, with a typical high of 82° and a low of 59°. About 5 days a year reach 90° (Ithaca Cornell Univ, NY).

When is the first and last frost in Northeast Ithaca?

In half of years the last spring frost (32°) comes by May 11 and the first fall frost by October 3, about 145 frost-free days, at Ithaca Cornell Univ, NY.

What growing zone is Northeast Ithaca in?

Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −10°.

What is the best time of year to visit Northeast Ithaca?

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

Is Northeast Ithaca getting warmer?

Yes: 1991–2020 averaged 1.1° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 70% of U.S. towns.

Neighbors talk weather

Gardens, snow, and the best days of the year in Northeast Ithaca.

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.