Weston Mills has cold, snowy winters and pleasant summers
A typical July afternoon reaches 81°, a January night drops to 15°, and about 103 inches of snow falls in a normal winter.
A year in Weston Mills at a glance
Each month’s typical high and low, and what it brings.
What stands out about Weston Mills’s climate
Read from where Weston Mills sits among New York’s towns. The page puts what stands out first.
Warmer than it used to be
The last 30 years in Weston Mills averaged 1.1° warmer than the 1900s. The biggest change is in December (+2.7°).
A smaller shift than in 66% of U.S. towns.
Change by month
103 inches of snow, 42 of rain and melt
July is the wettest month and February the driest. Rain or snow falls on about 176 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
What a year in Weston Mills feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 156 frost-free days a year
In half of years the last 32° night comes by May 7 and the first by October 11.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Living with Weston Mills’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
156 frost-free days. The last frost comes by May 7 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 11.
About 103" a winter over 35 days with an inch or more, most in January. Snow covers the ground about 89 days a year.
Months averaging under 55° run from October through April. Heating is 95% of the year’s heating-and-cooling load.
About 2 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 →Weston Mills and its neighbors
Olean has the coldest January nights next door (15°) and Olean the hottest July afternoons (81°). Tap a town to see its climate.
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.
How Weston Mills compares
Against every U.S. town on TownTapestry, each counted once, with its place in New York.
Weston Mills 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 | 33° | 15° | 2.9" | 26.7" | 19 | 24 | 16° – 33° |
| February | 36° | 15° | 2.2" | 17.4" | 14 | 21 | 11° – 34° |
| March | 45° | 22° | 2.8" | 18.8" | 15 | 15 | 26° – 46° |
| April | 58° | 32° | 3.5" | 4.5" | 15 | 2 | 39° – 51° |
| May | 70° | 42° | 3.7" | 0 | 14 | 0 | 49° – 63° |
| June | 77° | 51° | 4.2" | 0 | 14 | 0 | 60° – 68° |
| July | 81° | 55° | 4.4" | 0 | 13 | 0 | 63° – 73° |
| August | 80° | 54° | 4.1" | 0 | 12 | 0 | 63° – 72° |
| September | 73° | 48° | 4.0" | 0 | 12 | 0 | 57° – 66° |
| October | 61° | 37° | 3.8" | 1.1" | 14 | 1 | 45° – 56° |
| November | 48° | 29° | 3.1" | 12.2" | 16 | 7 | 32° – 45° |
| December | 37° | 22° | 3.1" | 22.6" | 18 | 19 | 20° – 41° |
| Year | 58° | 35° | 41.7" | 103.3" | 176 | 89 |
Heating and cooling a home in Weston Mills
95% 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 11° to 34°. June is the most reliable, staying within 8°.
Common questions about Weston Mills’s climate
What is the coldest month in Weston Mills?
January, with a typical high of 33° and a low of 15°.
What is the hottest month in Weston Mills?
July, with a typical high of 81° and a low of 55°. About 2 days a year reach 90°.
How much snow does Weston Mills get?
About 103 inches in a normal winter, most of it in January.
When is the first frost in Weston Mills?
In half of years the first 32° night comes by October 11, and the last spring frost by May 7.
What is the rainiest month in Weston Mills?
July, with 4.4 inches of rain and melted snow. The year totals 42 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Weston Mills.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Weston Mills itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Friendship 7 Sw, NY (8 mi, snow) and Olean, NY (4 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.