Stormville, New York climate: Climate normals at a NOAA weather station
Stormville's normal year runs from 17°F January nights to 83°F July afternoons, with 48.9 inches of precipitation and 58 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 10.2°C, January lows of −8°C, July highs of 28°C, 1,243 mm of precipitation a year.
- NOAA stationStormville
- Station IDUSC00308304
- Location41.53°N 73.73°W
- Elevation915 ft (279 m)
On October 23, the normal high in Stormville is 60°F and the normal low 41°F, and the chance of measurable rain or snow is 32%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Stormville.
- Jan 35° 17°
- Feb 39° 19°
- Mar 49° 27°
- Apr 61° 38°
- May 72° 49°
- Jun 77° 58°
- Jul 83° 63°
- Aug 82° 62°
- Sep 74° 55°
- Oct 63° 43°
- Nov 50° 32°
- Dec 39° 24°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like at Stormville each month?
July is the warmest month, with normal highs of 83°F; January the coldest, with normal lows of 17°F. The most precipitation falls in September (5.07 in), the least in February (3.42 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 35°F | 17°F | 26.2°F | 3.72 | 14.3 | 13 | <1 | 28 | 9 h 30 min |
| February | 39°F | 19°F | 29.0°F | 3.42 | 12.9 | 10 | <1 | 26 | 10 h 40 min |
| March | 49°F | 27°F | 37.6°F | 3.95 | 14.3 | 13 | <1 | 24 | 11 h 50 min |
| April | 61°F | 38°F | 49.5°F | 3.82 | 3.1 | 13 | <1 | 9 | 13 h 20 min |
| May | 72°F | 49°F | 60.1°F | 3.62 | 0.0 | 13 | 1 | <1 | 14 h 30 min |
| June | 77°F | 58°F | 67.4°F | 4.48 | 0.0 | 11 | 1 | <1 | 15 h 10 min |
| July | 83°F | 63°F | 73.0°F | 4.36 | 0.0 | 11 | 4 | <1 | 15 h |
| August | 82°F | 62°F | 71.9°F | 3.75 | 0.0 | 10 | 4 | <1 | 13 h 50 min |
| September | 74°F | 55°F | 64.4°F | 5.07 | 0.0 | 10 | 1 | <1 | 12 h 30 min |
| October | 63°F | 43°F | 53.0°F | 4.71 | 0.0 | 9 | <1 | 3 | 11 h 10 min |
| November | 50°F | 32°F | 41.3°F | 3.90 | 2.1 | 11 | <1 | 16 | 9 h 50 min |
| December | 39°F | 24°F | 31.5°F | 4.14 | 11.2 | 11 | <1 | 26 | 9 h 10 min |
| Year (annual) | 60°F | 40°F | 50.4°F | 48.94 | 57.9 | 134 | 11 | 132 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 2°C | −8°C | −3.2°C | 94 mm | 36 cm |
| February | 4°C | −7°C | −1.7°C | 87 mm | 33 cm |
| March | 9°C | −3°C | 3.1°C | 100 mm | 36 cm |
| April | 16°C | 3°C | 9.7°C | 97 mm | 8 cm |
| May | 22°C | 9°C | 15.6°C | 92 mm | 0 cm |
| June | 25°C | 14°C | 19.7°C | 114 mm | 0 cm |
| July | 28°C | 17°C | 22.8°C | 111 mm | 0 cm |
| August | 28°C | 17°C | 22.2°C | 95 mm | 0 cm |
| September | 24°C | 13°C | 18.0°C | 129 mm | 0 cm |
| October | 17°C | 6°C | 11.7°C | 120 mm | 0 cm |
| November | 10°C | 0°C | 5.2°C | 99 mm | 5 cm |
| December | 4°C | −5°C | −0.3°C | 105 mm | 28 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00308304; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
Which months are mildest at Stormville?
Normal highs sit between 65°F and 85°F in May, June, July, August and September. Of those, September has the fewest days with rain (10).
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00308304.
When is the last frost at Stormville?
In Stormville, the last spring frost (32°F) comes after April 21 in half of years and after May 4 in one year in ten; the first autumn frost comes before October 25 in half of years and before October 8 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- April 211 year in 10 after May 4; 9 in 10 after April 9
- First autumn frost, half of years before
- October 251 year in 10 before October 8; 9 in 10 before November 5
NOAA puts the median frost-free season at 185 days, and the season without a hard freeze (28°F) at 208 days.
A hard freeze (28°F) comes after April 8 in half of springs and before November 3 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Stormville in zone 6b in ZIP code 12582, the nearest ZIP area.
Frost dates for every NOAA station in New York · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00308304; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get at Stormville?
In a normal year in Stormville, 11 days a year reach 90°F, 132 nights fall to 32°F or colder and 134 days bring measurable precipitation.
- Days at 90°F or more
- 11a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 132a normal year
- Days that stay below freezing
- 29high of 32°F or less
- Days with 0.01 inch of precipitation
- 134a normal year
- Days with 1 inch of snow or more
- 14a normal year
Source: NOAA NCEI 1991-2020 annual normals, station USC00308304.
How sunny is it at Stormville?
Over a year 72% of the sunlight that would reach the ground under clear skies gets through the clouds at Stormville, 3.9 kWh per square metre a day. July is the sunniest month (79%) and December the cloudiest (65%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 68% | 1.8 |
| February | 70% | 2.7 |
| March | 68% | 3.7 |
| April | 69% | 4.8 |
| May | 69% | 5.4 |
| June | 74% | 5.9 |
| July | 79% | 6.0 |
| August | 78% | 5.3 |
| September | 77% | 4.3 |
| October | 70% | 2.9 |
| November | 70% | 2.0 |
| December | 65% | 1.5 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How many heating and cooling degree days does Stormville record?
A normal year at Stormville brings 5,998 heating degree days, 12% more than the median U.S. place (5,373), and 716 cooling degree days, 21% fewer than the median (908). Seven months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 2,951 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,203 | 0 |
| February | 1,008 | 0 |
| March | 850 | 0 |
| April | 474 | 8 |
| May | 191 | 39 |
| June | 47 | 119 |
| July | 2 | 252 |
| August | 8 | 221 |
| September | 89 | 71 |
| October | 377 | 5 |
| November | 710 | 0 |
| December | 1,040 | 0 |
| Year (annual) | 5,998 | 716 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00308304. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
How does Stormville's climate compare?
Stormville is warmer than 108 of the 131 places with their own NOAA record in New York, and wetter than 99. Across the 7,247 U.S. stations with normals, its annual mean of 50.4°F is warmer than 42%.
In the Köppen classification computed from these normals, Stormville is Dfa: continental, no dry season, hot summer. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Which places near Stormville share this climate record?
2 places have no NOAA station with 1991-2020 normals of their own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- Chelsea Cove, NY1,398 people · 6 mi N
- Shorehaven, NY540 people · 4 mi NE
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
Questions about Stormville's climate
What is the coldest month at Stormville?
January, with a normal high of 35°F and a normal low of 17°F. The warmest is July (83°F by day, 63°F at night).
Does it snow at Stormville?
Yes: 58 inches in a normal year, falling on 28 days with 0.1 inch or more, the most in January (14.3 inches).
What is the rainiest month at Stormville?
September, with 5.07 in of precipitation in a normal year; the driest is February with 3.42 in.
What plant hardiness zone is Stormville in?
The USDA's 2023 map puts Stormville in zone 6b in ZIP code 12582, the nearest ZIP area.
How late can frost come at Stormville?
In half of years the last 32°F night comes after April 21; in one year in ten it comes after May 4. Waiting until May 4 leaves about a one-in-ten chance of a later frost.
Nearby and next
- New York climateThe statewide normals and every place in the state
- Carmel, NY6 miles from this station, 48.0°F a year
- Poughkeepsie, NY10 miles from this station, 50.5°F a year
- Shrub Oak, NY15 miles from this station, 50.2°F a year
- West Point, NY16 miles from this station, 52.1°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made