Arietta gets about 129 inches of snow a winter, more than all but 100 U.S. towns
Peak summer warmth arrives in July, with afternoons near 73°. Summers stay cool: July afternoons here are cooler than in almost every U.S. town. Warming shows here too: 1.4° more than in 1901–2000, led by December. Picnics, hikes and garden evenings come into their own from June to September, with highs of 65–73°.
A year in Arietta at a glance
Each month’s typical high and low, and what it brings.
What stands out about Arietta’s climate
Compared with towns across the U.S., with Arietta’s place in New York beside it.
What a year in Arietta feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 125 frost-free days a year
In half of years the last 32° night comes by May 23 and the first by September 27. Frost and day counts come from NOAA’s station at Indian Lake 2sw, NY, 21 miles from the town’s center, 440 ft lower.
The 2023 USDA map puts Arietta’s center in zone 4b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −24°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
About 129 inches of snow a winter
Snow, measured at Piseco, NY, falls mostly in January. Precipitation (rain plus melted snow) adds up to 53 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 179 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Arietta
98% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from September through May.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Indian Lake 2sw, NY.
Living with Arietta’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
125 frost-free days in zone 4b. The last frost comes by May 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 Sep 27.
Months with highs of 62–84° and lows of 40° or more: June, July, August and September. 154 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Arietta from natural hazards, river flooding is the largest share (85%); heat waves, cold waves, winter storms and ice storms together are 6%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Arietta and its neighbors
Caroga the hottest July afternoons (78°, 5° warmer). Differences under a degree are within what the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Arietta’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 |
|---|---|---|---|---|
| Arietta, NY | 5° | 73° | 53" | 129" |
| Rumford, ME | 7° | 77° | 52" | 88" |
| Berlin, NH | 5° | 77° | 45" | 82" |
| Sault Ste. Marie, MI | 8° | 76° | 37" | 120" |
| Corry, PA | 16° | 80° | 47" | 114" |
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.
Warmer than it used to be
The last 30 years in Arietta averaged 1.4° warmer than the 1900s. The biggest change is in December (+3.7°).
A bigger shift than in 55% 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 Arietta compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Arietta’s place among New York’s.
Arietta weather by month
Highs, lows and precipitation from NOAA’s grid at Arietta’s center; snow, wet days and snow on the ground from Piseco, NY. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 25° | 5° | 4.1" | 33.0" | 19 | 4° – 23° |
| February | 27° | 6° | 3.4" | 26.4" | 14 | 3° – 24° |
| March | 35° | 14° | 3.8" | 23.8" | 15 | 15° – 35° |
| April | 48° | 27° | 4.4" | 3.7" | 13 | 31° – 43° |
| May | 61° | 39° | 4.7" | 0.1" | 15 | 43° – 55° |
| June | 69° | 48° | 5.2" | 0.0" | 13 | 55° – 64° |
| July | 73° | 52° | 4.6" | 0.0" | 14 | 58° – 66° |
| August | 72° | 51° | 4.6" | 0.0" | 13 | 58° – 65° |
| September | 65° | 44° | 4.3" | 0.0" | 11 | 51° – 60° |
| October | 53° | 34° | 5.2" | 1.2" | 15 | 38° – 50° |
| November | 40° | 24° | 4.4" | 11.4" | 17 | 26° – 37° |
| December | 29° | 13° | 4.6" | 29.2" | 19 | 13° – 33° |
| Year | 50° | 30° | 53.1" | 128.8" | 179 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 3° to 24°. August is the most reliable, staying within 7°.
Where Arietta’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 Arietta’s center.
- Snow: Piseco, NY.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Indian Lake 2sw, NY, 21 miles from the town’s center, 440 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 Arietta’s climate
What is the weather like in Arietta?
A typical July afternoon reaches 73°, a January night drops to 5°, and about 129 inches of snow falls in a normal winter. Colder January nights than 98% of U.S. towns; cooler July afternoons than all but 139 U.S. towns.
How cold does it get in Arietta in winter?
January nights average 5°. About 187 nights a year reach 32° or below and 31 reach 0° or below. In the coldest January of the last 30 years the month averaged 4°.
How much snow does Arietta get?
About 129 inches in a normal winter at Piseco, NY, most of it in January.
How hot does it get in Arietta?
July, with a typical high of 73°. 90° days are rare: none in a normal year at Indian Lake 2sw, NY.
When is the first and last frost in Arietta?
In half of years the last spring frost (32°) comes by May 23 and the first fall frost by September 27, about 125 frost-free days, at Indian Lake 2sw, NY.
What growing zone is Arietta in?
Zone 4b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −24°.
What is the best time of year to visit Arietta?
By one simple rule (highs of 62–84° and lows of 40° or more), June, July, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Arietta getting warmer?
Yes: 1991–2020 averaged 1.4° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 55% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Arietta.
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.