South Corning has chilly, snowy winters and pleasant summers
A typical July afternoon reaches 81°, a January night drops to 15°, and about 47 inches of snow falls in a normal winter.
A year in South Corning at a glance
Each month’s typical high and low, and what it brings.
What stands out about South Corning’s climate
Read from where South Corning sits among New York’s towns. The page puts what stands out first.
Living with South Corning’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
139 frost-free days. The last frost comes by May 17 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 2.
About 47" a winter over 14 days with an inch or more, most in March. Snow covers the ground about 47 days a year.
Months averaging under 55° run from October through April. Heating is 97% of the year’s heating-and-cooling load.
About 6 days a year reach 90°, and July afternoons average 81°.
The nicest months are May, June, July, August and September.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →47 inches of snow, 35 of rain and melt
September is the wettest month and February the driest. Rain or snow falls on about 99 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Warmer than it used to be
The last 30 years in South Corning averaged 1.1° warmer than the 1900s. The biggest change is in December (+2.8°).
A smaller shift than in 61% of U.S. towns.
Change by month
What a year in South Corning feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 139 frost-free days a year
In half of years the last 32° night comes by May 17 and the first by October 2.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
How South Corning compares
Against every U.S. town on TownTapestry, each counted once, with its place in New York.
South Corning weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 32° | 15° | 2.0" | 12.3" | 9 | 14 | 14° – 32° |
| February | 35° | 17° | 1.7" | 9.0" | 7 | 13 | 12° – 34° |
| March | 44° | 23° | 2.5" | 12.8" | 8 | 10 | 27° – 45° |
| April | 57° | 33° | 3.2" | 1.2" | 9 | 1 | 40° – 51° |
| May | 69° | 43° | 3.1" | 0 | 10 | 0 | 50° – 62° |
| June | 78° | 53° | 3.7" | 0 | 10 | 0 | 61° – 69° |
| July | 81° | 57° | 3.6" | 0 | 8 | 0 | 65° – 74° |
| August | 80° | 56° | 3.6" | 0 | 8 | 0 | 64° – 72° |
| September | 73° | 49° | 3.9" | 0 | 8 | 0 | 58° – 66° |
| October | 61° | 39° | 3.4" | 0 | 8 | 0 | 45° – 56° |
| November | 48° | 30° | 2.5" | 2.4" | 8 | 2 | 33° – 44° |
| December | 37° | 22° | 2.4" | 9.4" | 8 | 8 | 21° – 41° |
| Year | 58° | 36° | 35.5" | 47.1" | 99 | 47 |
Heating and cooling a home in South Corning
97% of the work is heating, so the furnace matters far more than the air conditioner.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
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 34°. June is the most reliable, staying within 7°.
Common questions about South Corning’s climate
What is the coldest month in South Corning?
January, with a typical high of 32° and a low of 15°.
What is the hottest month in South Corning?
July, with a typical high of 81° and a low of 57°. About 6 days a year reach 90°.
How much snow does South Corning get?
About 47 inches in a normal winter, most of it in March.
When is the first frost in South Corning?
In half of years the first 32° night comes by October 2, and the last spring frost by May 17.
What is the rainiest month in South Corning?
September, with 3.9 inches of rain and melted snow. The year totals 35 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in South Corning.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for South Corning itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Lindley 2n, NY (7 mi, snow) and Corning, NY (2 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.