Photo: Ken Winters, U.S. Army Corps of Engineers · Public domainWestfield gets about 225 inches of snow a winter, more than all but 5 U.S. towns
Peak summer warmth arrives in July, with afternoons near 79°. Seasons differ by 62°, from the coldest nights to the warmest afternoons. Its July afternoons stay fresher than in 95% of U.S. towns. The heating season runs November to April: each of those months averages under 50°.
A year in Westfield at a glance
Each month’s typical high and low, and what it brings.
What stands out about Westfield’s climate
Compared with towns across the U.S., with Westfield’s place in New York beside it.
What a year in Westfield feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 187 frost-free days a year
In half of years the last 32° night comes by April 25 and the first by October 31. Frost and day counts come from NOAA’s station at Portland1 Sw, NY, 9 miles from the town’s center, 400 ft lower.
The 2023 USDA map puts Westfield’s center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −7°. 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 225 inches of snow a winter
Snow, measured at Sherman, NY, falls mostly in January. Precipitation (rain plus melted snow) adds up to 46 inches a year; October is the wettest month and February the driest. Rain or snow falls on about 160 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Westfield
90% 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 Portland1 Sw, NY.
Living with Westfield’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
187 frost-free days in zone 6a. The last frost comes by Apr 25 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 31.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 2.4 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Westfield from natural hazards, river flooding is the largest share (74%); heat waves, cold waves, winter storms and ice storms together are 7%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Westfield and its neighbors
Sherman has the coldest January nights next door (15°, 1° colder) and Ripley the hottest July afternoons (80°, 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 Westfield’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 |
|---|---|---|---|---|
| Westfield, NY | 17° | 79° | 46" | 225" |
| Truckee, CA | 19° | 82° | 35" | 183" |
| Jericho, VT | 9° | 79° | 43" | 139" |
| Incline Village, NV | 22° | 73° | 38" | 179" |
| Ishpeming, MI | 5° | 77° | 33" | 197" |
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 Westfield averaged 1.2° warmer than the 1900s. The biggest change is in December (+2.5°).
A smaller shift than in 60% 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 Westfield compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Westfield’s place among New York’s.
Westfield weather by month
Highs, lows and precipitation from NOAA’s grid at Westfield’s center; snow, wet days and snow on the ground from Sherman, NY. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 31° | 17° | 3.4" | 61.7" | 21 | 27 | 15° – 34° |
| February | 33° | 17° | 2.5" | 36.0" | 15 | 24 | 9° – 34° |
| March | 42° | 25° | 2.9" | 37.5" | 15 | 19 | 26° – 46° |
| April | 56° | 36° | 3.4" | 7.7" | 13 | 4 | 40° – 51° |
| May | 68° | 47° | 3.8" | 0.1" | 12 | 0 | 49° – 63° |
| June | 75° | 56° | 4.0" | 0.0" | 11 | 0 | 61° – 70° |
| July | 79° | 60° | 4.5" | 0.0" | 11 | 0 | 65° – 74° |
| August | 78° | 59° | 4.0" | 0.0" | 10 | 0 | 64° – 72° |
| September | 71° | 52° | 4.6" | 0.0" | 10 | 0 | 58° – 67° |
| October | 59° | 42° | 4.9" | 2.0" | 11 | 1 | 47° – 58° |
| November | 47° | 33° | 3.7" | 26.6" | 14 | 10 | 34° – 46° |
| December | 37° | 24° | 3.9" | 52.9" | 17 | 21 | 21° – 40° |
| Year | 56° | 39° | 45.6" | 224.5" | 160 | 106 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 9° to 34°. August is the most reliable, staying within 9°.
Where Westfield’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 Westfield’s center.
- Snow: Sherman, NY.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Portland1 Sw, NY, 9 miles from the town’s center, 400 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 Westfield’s climate
What is the weather like in Westfield?
A typical July afternoon reaches 79°, a January night drops to 17°, and about 225 inches of snow falls in a normal winter. Colder January nights than 77% of U.S. towns; cooler July afternoons than 95% of U.S. towns.
How cold does it get in Westfield in winter?
January nights average 17°. About 111 nights a year reach 32° or below and 4 reach 0° or below. In the coldest January of the last 30 years the month averaged 15°.
How much snow does Westfield get?
About 225 inches in a normal winter at Sherman, NY, most of it in January, with snow on the ground about 106 days a year.
How hot does it get in Westfield?
July, with a typical high of 79° and a low of 60°. About 2 days a year reach 90° (Portland1 Sw, NY).
When is the first and last frost in Westfield?
In half of years the last spring frost (32°) comes by April 25 and the first fall frost by October 31, about 187 frost-free days, at Portland1 Sw, NY.
What growing zone is Westfield in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −7°.
What is the best time of year to visit Westfield?
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 Westfield getting warmer?
Yes: 1991–2020 averaged 1.2° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 60% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Westfield.
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.