Downsville, New York climate: Normal weather by month, frost dates and records
Downsville's normal year runs from 12°F January nights to 81°F July afternoons. (NOAA 1991-2020 normals)
In metric: a yearly mean of 7.9°C, January lows of −11°C, July highs of 27°C.
- NOAA stationDownsville Dam
- Station IDUSC00302169
- Location42.08°N 74.98°W
- Elevation1,200 ft (366 m)
- From the centerunder 1 mile
- Population (census place)254
On October 14, the normal high in Downsville is 62°F and the normal low 38°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Downsville.
- Jan 33° 12°
- Feb 36° 12°
- Mar 44° 20°
- Apr 57° 32°
- May 69° 42°
- Jun 77° 52°
- Jul 81° 56°
- Aug 79° 55°
- Sep 73° 49°
- Oct 61° 37°
- Nov 49° 27°
- Dec 37° 20°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in Downsville each month?
July is the warmest month, with normal highs of 81°F; January the coldest, with normal lows of 12°F.
| Month | High | Low | Mean | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|
| January | 33°F | 12°F | 22.3°F | – | <1 | 30 | 9 h 30 min |
| February | 36°F | 12°F | 24.2°F | – | <1 | 27 | 10 h 30 min |
| March | 44°F | 20°F | 31.8°F | – | <1 | 27 | 11 h 50 min |
| April | 57°F | 32°F | 44.2°F | – | <1 | 19 | 13 h 20 min |
| May | 69°F | 42°F | 55.5°F | – | 1 | 5 | 14 h 30 min |
| June | 77°F | 52°F | 64.4°F | – | <1 | <1 | 15 h 10 min |
| July | 81°F | 56°F | 68.8°F | – | 2 | <1 | 15 h |
| August | 79°F | 55°F | 67.1°F | – | <1 | <1 | 14 h |
| September | 73°F | 49°F | 60.7°F | – | <1 | 1 | 12 h 30 min |
| October | 61°F | 37°F | 48.8°F | – | <1 | 10 | 11 h 10 min |
| November | 49°F | 27°F | 38.1°F | – | <1 | 24 | 9 h 50 min |
| December | 37°F | 20°F | 28.4°F | – | <1 | 28 | 9 h 10 min |
| Year (annual) | 58°F | 34°F | 46.2°F | – | 3 | 170 |
The same normals in °C and millimetres
| Month | High | Low | Mean |
|---|---|---|---|
| January | 0°C | −11°C | −5.4°C |
| February | 2°C | −11°C | −4.3°C |
| March | 7°C | −7°C | −0.1°C |
| April | 14°C | 0°C | 6.8°C |
| May | 21°C | 6°C | 13.1°C |
| June | 25°C | 11°C | 18.0°C |
| July | 27°C | 13°C | 20.4°C |
| August | 26°C | 13°C | 19.5°C |
| September | 23°C | 9°C | 15.9°C |
| October | 16°C | 3°C | 9.3°C |
| November | 10°C | −3°C | 3.4°C |
| December | 3°C | −7°C | −2.0°C |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Delhi (13 miles away), gets 71 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00302169; 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.
When is the best weather to visit Downsville?
Normal highs sit between 65°F and 85°F in May, June, July, August and September.
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 USC00302169.
When is the last frost in Downsville?
In Downsville, the last spring frost (32°F) comes after May 15 in half of years and after May 30 in one year in ten; the first autumn frost comes before October 3 in half of years and before September 21 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
- May 151 year in 10 after May 30; 9 in 10 after April 30
- First autumn frost, half of years before
- October 31 year in 10 before September 21; 9 in 10 before October 16
NOAA puts the median frost-free season at 140 days, and the season without a hard freeze (28°F) at 161 days.
A hard freeze (28°F) comes after May 3 in half of springs and before October 13 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Downsville in zone 5b in ZIP code 13755, 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 USC00302169; 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 in Downsville?
In a normal year in Downsville, 3 days a year reach 90°F and 170 nights fall to 32°F or colder.
- Days at 90°F or more
- 3a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 170a normal year
- Days that stay below freezing
- 43high of 32°F or less
The highest temperature in this station's record (since 1959) is 95°F, on July 29, 1974; the lowest is −23°F, on February 1, 1971.
The wettest calendar year on that record is 1975, with 54.88 in; the snowiest season is 1966–67, with 87.0 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00302169; records: ACIS (NOAA Regional Climate Centers), station USC00302169. Records use complete months only; a month missing more than three days is left out.
How sunny is Downsville?
Over a year 69% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Downsville, 3.7 kWh per square metre a day. July is the sunniest month (76%) and December the cloudiest (55%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 60% | 1.6 |
| February | 64% | 2.5 |
| March | 68% | 3.7 |
| April | 66% | 4.6 |
| May | 68% | 5.3 |
| June | 70% | 5.8 |
| July | 76% | 5.9 |
| August | 76% | 5.2 |
| September | 75% | 4.2 |
| October | 65% | 2.7 |
| November | 62% | 1.8 |
| December | 55% | 1.3 |
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 much heating and cooling does Downsville need?
A normal year in Downsville brings 7,169 heating degree days, 33% more than the median U.S. place (5,373), and 344 cooling degree days, 62% fewer than the median (908). Eight months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 2,216 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,323 | 0 |
| February | 1,142 | 0 |
| March | 1,029 | 0 |
| April | 627 | 1 |
| May | 307 | 12 |
| June | 82 | 63 |
| July | 16 | 132 |
| August | 34 | 100 |
| September | 164 | 35 |
| October | 503 | 1 |
| November | 809 | 0 |
| December | 1,135 | 0 |
| Year (annual) | 7,169 | 344 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00302169. 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.
Has Downsville been warmer than normal lately?
2024 averaged 48.9°F, 2.7°F above the 1991-2020 normal of 46.2°F. 3 of the 3 complete years since 2022 ran warmer than the normal.
| Year | Mean | Against normal |
|---|---|---|
| 2022 | 46.7°F | +0.5°F |
| 2023 | 48.8°F | +2.6°F |
| 2024 | 48.9°F | +2.7°F |
Source: observed years: ACIS, station USC00302169. A year counts only with all twelve months complete.
How does Downsville's climate compare?
Downsville is warmer than 44 of the other 130 places with their own NOAA record in New York. Across the 7,247 U.S. stations with normals, its annual mean of 46.2°F is warmer than 24%.
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers.
Questions about Downsville's climate
What is the coldest month in Downsville?
January, with a normal high of 33°F and a normal low of 12°F. The warmest is July (81°F by day, 56°F at night).
Does it snow in Downsville?
Yes. NOAA publishes no 1991-2020 snowfall normal for Downsville's NOAA station; the nearest record that keeps one, Delhi (13 miles away), records 71 inches of snow in a normal year.
What plant hardiness zone is Downsville in?
The USDA's 2023 map puts Downsville in zone 5b in ZIP code 13755, the nearest ZIP area.
How late can frost come in Downsville?
In half of years the last 32°F night comes after May 15; in one year in ten it comes after May 30. Waiting until May 30 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
- Walton, NY11 miles from this station, 44.8°F a year
- Delhi, NY13 miles from this station, 45.3°F a year
- Callicoon, NY17 miles from this station, 45.5°F a year
- East Sidney, NY22 miles from this station, 45.8°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made