Photo: Kenneth C. Zirkel · CC BY-SA 4.0Summers in Trumansburg are cooler than in 88% of U.S. towns
Deep winter brings January lows near 16°. Its January nights bite harder than in 80% of U.S. towns. Compared with 1901–2000, the average now sits 1.1° higher. Comfortable outdoor weather lasts from May to September, with highs of 69–81°.
A year in Trumansburg at a glance
Each month’s typical high and low, and what it brings.
What stands out about Trumansburg’s climate
Compared with towns across the U.S., with Trumansburg’s place in New York beside it.
What a year in Trumansburg feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
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, 13 miles from the town’s center, at about the same height.
The 2023 USDA map puts Trumansburg’s center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −6°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 56 inches of snow a winter
Snow, measured at Aurora Rsch Farm, NY, falls mostly in January. Precipitation (rain plus melted snow) adds up to 39 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 156 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Trumansburg
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.
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 with Trumansburg’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
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.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September.
Parks & trails →Of the yearly building losses FEMA expects in Trumansburg from natural hazards, river flooding is the largest share (70%); heat waves, cold waves, winter storms and ice storms together are 5%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Trumansburg and similar climates
TownRatings has no climate map of the towns around Trumansburg yet.
Climates most like Trumansburg’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.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Trumansburg, NY | 16° | 81° | 39" | 56" |
| Big Rapids, MI | 14° | 82° | 36" | 61" |
| Oak Creek, WI | 16° | 81° | 34" | 49" |
| Michigan City, IN | 19° | 82° | 39" | 65" |
| Ontario, OH | 17° | 82° | 42" | 49" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Trumansburg averaged 1.1° warmer than the 1900s. The biggest change is in December (+2.6°).
A smaller shift than in 71% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Trumansburg compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Trumansburg’s place among New York’s.
Trumansburg weather by month
Highs, lows and precipitation from NOAA’s grid at Trumansburg’s center; snow, wet days and snow on the ground from Aurora Rsch Farm, NY. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 32° | 16° | 2.3" | 15.0" | 14 | 15° – 33° |
| February | 34° | 18° | 1.9" | 12.7" | 11 | 11° – 35° |
| March | 43° | 24° | 2.8" | 11.8" | 13 | 26° – 46° |
| April | 56° | 34° | 3.3" | 2.1" | 14 | 39° – 50° |
| May | 69° | 46° | 3.4" | 0.1" | 13 | 51° – 63° |
| June | 77° | 55° | 4.1" | 0.0" | 13 | 63° – 71° |
| July | 81° | 60° | 4.0" | 0.0" | 12 | 66° – 74° |
| August | 79° | 58° | 3.7" | 0.0" | 11 | 65° – 72° |
| September | 72° | 51° | 3.9" | 0.0" | 12 | 59° – 66° |
| October | 60° | 41° | 3.8" | 0.2" | 15 | 46° – 57° |
| November | 47° | 32° | 2.9" | 3.8" | 13 | 34° – 46° |
| December | 37° | 23° | 2.8" | 10.5" | 14 | 22° – 40° |
| Year | 57° | 38° | 38.8" | 56.2" | 156 |
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 35°. August is the most reliable, staying within 7°.
Where Trumansburg’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 Trumansburg’s center.
- Snow: Aurora Rsch Farm, NY.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Ithaca Cornell Univ, NY, 13 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 Trumansburg’s climate
What is the weather like in Trumansburg?
A typical July afternoon reaches 81°, a January night drops to 16°, and about 56 inches of snow falls in a normal winter. Colder January nights than 80% of U.S. towns; cooler July afternoons than 88% of U.S. towns.
How cold does it get in Trumansburg 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 Trumansburg get?
About 56 inches in a normal winter at Aurora Rsch Farm, NY, most of it in January.
How hot does it get in Trumansburg?
July, with a typical high of 81° and a low of 60°. About 5 days a year reach 90° (Ithaca Cornell Univ, NY).
When is the first and last frost in Trumansburg?
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 Trumansburg in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −6°.
What is the best time of year to visit Trumansburg?
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 Trumansburg getting warmer?
Yes: 1991–2020 averaged 1.1° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 71% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Trumansburg.
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.