Afternoon heat in Swan Lake trails that of 92% of U.S. towns
Nights in January average 15°. Temperatures cover 66° across the year, low to high. In January, nights here are colder than in 86% of U.S. towns. Garden planting can start around May 9; autumn frost returns near October 5.
A year in Swan Lake at a glance
Each month’s typical high and low, and what it brings.
What stands out about Swan Lake’s climate
Compared with towns across the U.S., with Swan Lake’s place in New York beside it.
What a year in Swan Lake feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 149 frost-free days a year
In half of years the last 32° night comes by May 9 and the first by October 5. Frost and day counts come from NOAA’s station at Liberty 1 Ne, NY, 3 miles from the town’s center, 200 ft higher.
The 2023 USDA map puts Swan Lake’s center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −9°. 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 70 inches of snow a winter
Snow, measured at Liberty 1 Ne, NY, is heaviest from January through February, about 17 inches a month. Precipitation (rain plus melted snow) adds up to 51 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 125 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Swan Lake
96% 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 Liberty 1 Ne, NY.
Living with Swan Lake’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
149 frost-free days in zone 6a. The last frost comes by May 9 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 5.
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 Swan Lake from natural hazards, river flooding is the largest share (66%); heat waves, cold waves, winter storms and ice storms together are 12%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Swan Lake and its neighbors
Bethel the hottest July afternoons (81°, 1° 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 Swan Lake’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 |
|---|---|---|---|---|
| Swan Lake, NY | 15° | 80° | 51" | 70" |
| Rutland, MA | 15° | 80° | 50" | 73" |
| New Ipswich, NH | 14° | 80° | 50" | 75" |
| Saco, ME | 15° | 80° | 49" | 69" |
| Glocester, RI | 18° | 82° | 51" | 62" |
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 Swan Lake averaged 1.6° warmer than the 1900s. The biggest change is in December (+3.2°).
A bigger shift than in 63% 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 Swan Lake compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Swan Lake’s place among New York’s.
Swan Lake weather by month
Highs, lows and precipitation from NOAA’s grid at Swan Lake’s center; snow, wet days and snow on the ground from Liberty 1 Ne, NY. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 32° | 15° | 3.6" | 16.6" | 10 | 24 | 14° – 31° |
| February | 35° | 16° | 2.8" | 17.4" | 8 | 24 | 12° – 33° |
| March | 44° | 23° | 3.6" | 12.8" | 10 | 18 | 25° – 44° |
| April | 57° | 33° | 4.1" | 3.3" | 11 | 3 | 39° – 50° |
| May | 68° | 43° | 4.3" | 0.0" | 13 | 0 | 50° – 61° |
| June | 75° | 52° | 5.1" | 0.0" | 12 | 0 | 61° – 69° |
| July | 80° | 57° | 4.8" | 0.0" | 12 | 0 | 64° – 72° |
| August | 78° | 55° | 5.0" | 0.0" | 11 | 0 | 63° – 71° |
| September | 71° | 49° | 4.8" | 0.0" | 9 | 0 | 57° – 65° |
| October | 60° | 38° | 4.8" | 0.3" | 11 | 0 | 44° – 56° |
| November | 48° | 29° | 3.6" | 4.2" | 9 | 3 | 33° – 44° |
| December | 37° | 21° | 4.1" | 15.3" | 11 | 17 | 21° – 40° |
| Year | 57° | 36° | 50.5" | 69.9" | 125 | 87 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 12° to 33°. August is the most reliable, staying within 8°.
Where Swan Lake’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 Swan Lake’s center.
- Snow: Liberty 1 Ne, NY.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Liberty 1 Ne, NY, 3 miles from the town’s center, 200 ft higher; 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 Swan Lake’s climate
What is the weather like in Swan Lake?
A typical July afternoon reaches 80°, a January night drops to 15°, and about 70 inches of snow falls in a normal winter. Colder January nights than 86% of U.S. towns; cooler July afternoons than 92% of U.S. towns.
How cold does it get in Swan Lake in winter?
January nights average 15°. About 163 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 14°.
How much snow does Swan Lake get?
About 70 inches in a normal winter at Liberty 1 Ne, NY, heaviest from January through February, about 17 inches a month, with snow on the ground about 87 days a year.
How hot does it get in Swan Lake?
July, with a typical high of 80° and a low of 57°. About 4 days a year reach 90° (Liberty 1 Ne, NY).
When is the first and last frost in Swan Lake?
In half of years the last spring frost (32°) comes by May 9 and the first fall frost by October 5, about 149 frost-free days, at Liberty 1 Ne, NY.
What growing zone is Swan Lake in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −9°.
What is the best time of year to visit Swan Lake?
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 Swan Lake getting warmer?
Yes: 1991–2020 averaged 1.6° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 63% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Swan Lake.
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.