Massena, New York climate: Normal weather by month, frost dates and records
Massena's normal year runs from 6°F January nights to 81°F July afternoons, with 33.9 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 6.7°C, January lows of −14°C, July highs of 27°C, 862 mm of precipitation a year.
- NOAA stationMassena International Airport
- Station IDUSW00094725
- Location44.94°N 74.85°W
- Elevation214 ft (65 m)
- From the center2 miles
- Population9,998
On October 23, the normal high in Massena is 55°F and the normal low 35°F, and the chance of measurable rain or snow is 41%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Massena.
- Jan 25° 6°
- Feb 28° 7°
- Mar 38° 19°
- Apr 54° 32°
- May 68° 44°
- Jun 76° 53°
- Jul 81° 58°
- Aug 79° 56°
- Sep 71° 48°
- Oct 58° 37°
- Nov 45° 27°
- Dec 32° 16°
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 Massena each month?
July is the warmest month, with normal highs of 81°F; January the coldest, with normal lows of 6°F. The most precipitation falls in June (3.71 in), the least in February (1.58 in).
Each month has its own page with the day-by-day normals, the month's records and its recent years:
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 25°F | 6°F | 15.6°F | 2.11 | 13 | <1 | 30 | 9 h 10 min |
| February | 28°F | 7°F | 17.8°F | 1.58 | 10 | <1 | 27 | 10 h 20 min |
| March | 38°F | 19°F | 28.5°F | 2.04 | 12 | <1 | 27 | 11 h 50 min |
| April | 54°F | 32°F | 42.9°F | 2.91 | 13 | <1 | 15 | 13 h 30 min |
| May | 68°F | 44°F | 55.9°F | 3.14 | 12 | <1 | 2 | 14 h 50 min |
| June | 76°F | 53°F | 64.8°F | 3.71 | 13 | 1 | <1 | 15 h 30 min |
| July | 81°F | 58°F | 69.5°F | 3.46 | 12 | 2 | <1 | 15 h 20 min |
| August | 79°F | 56°F | 67.5°F | 3.36 | 11 | 1 | <1 | 14 h 10 min |
| September | 71°F | 48°F | 59.5°F | 3.50 | 11 | 1 | 1 | 12 h 40 min |
| October | 58°F | 37°F | 47.5°F | 3.43 | 12 | <1 | 8 | 11 h |
| November | 45°F | 27°F | 35.8°F | 2.59 | 13 | <1 | 20 | 9 h 40 min |
| December | 32°F | 16°F | 23.8°F | 2.09 | 14 | <1 | 28 | 8 h 50 min |
| Year (annual) | 55°F | 34°F | 44.1°F | 33.92 | 146 | 6 | 158 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | −4°C | −14°C | −9.1°C | 54 mm |
| February | −2°C | −14°C | −7.9°C | 40 mm |
| March | 3°C | −7°C | −1.9°C | 52 mm |
| April | 12°C | 0°C | 6.1°C | 74 mm |
| May | 20°C | 7°C | 13.3°C | 80 mm |
| June | 25°C | 12°C | 18.2°C | 94 mm |
| July | 27°C | 15°C | 20.8°C | 88 mm |
| August | 26°C | 13°C | 19.7°C | 85 mm |
| September | 22°C | 9°C | 15.3°C | 89 mm |
| October | 14°C | 3°C | 8.6°C | 87 mm |
| November | 7°C | −3°C | 2.1°C | 66 mm |
| December | 0°C | −9°C | −4.6°C | 53 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Lawrenceville (3 mi SW) (15 miles away), gets 75 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USW00094725; 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 Massena?
Normal highs sit between 65°F and 85°F in May, June, July, August and September. Of those, August has the fewest days with rain (11).
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 USW00094725.
When is the last frost in Massena?
In Massena, the last spring frost (32°F) comes after May 8 in half of years and after May 23 in one year in ten; the first autumn frost comes before October 1 in half of years and before September 17 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 81 year in 10 after May 23; 9 in 10 after April 27
- First autumn frost, half of years before
- October 11 year in 10 before September 17; 9 in 10 before October 17
NOAA puts the median frost-free season at 144 days, and the season without a hard freeze (28°F) at 168 days.
A hard freeze (28°F) comes after April 28 in half of springs and before October 13 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Massena in zone 4b in ZIP code 13662, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, Massena's NOAA station is in zone 4b: the coldest night of a typical year reaches −23°F (29 complete years).
Frost dates for every NOAA station in New York · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USW00094725; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; the station zone: ACIS daily lows, 1991-2020. 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 Massena?
In a normal year in Massena, 6 days a year reach 90°F, 158 nights fall to 32°F or colder and 146 days bring measurable precipitation.
- Days at 90°F or more
- 6a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 158a normal year
- Days that stay below freezing
- 67high of 32°F or less
- Days with 0.01 inch of precipitation
- 146a normal year
The highest temperature in this station's record (since 1948) is 100°F, on August 1, 1975; the lowest is −44°F, on January 15, 1957.
The wettest calendar year on that record is 1993, with 47.35 in; the snowiest season is 1970–71, with 137.2 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USW00094725; records: ACIS (NOAA Regional Climate Centers), station USW00094725. Records use complete months only; a month missing more than three days is left out.
How humid and windy is Massena, and how clear are its skies?
The summer (June-August) dew point averages 59°F. The muggiest month is July, with an average dew point of 60°F; the driest air comes in January (9°F). February is the windiest month (8.8 mph on average), and August has the most clear or nearly clear hours (60%).
| Month | Dew point | Humidity | Afternoon humidity | Wind | Clear or few clouds | Overcast |
|---|---|---|---|---|---|---|
| January | 9°F | 73% | 63% | 8.5 mph | 44% | 42% |
| February | 14°F | 71% | 59% | 8.8 mph | 46% | 41% |
| March | 26°F | 65% | 50% | 8.6 mph | 47% | 37% |
| April | 37°F | 60% | 43% | 8.5 mph | 50% | 30% |
| May | 51°F | 69% | 52% | 7.2 mph | 49% | 27% |
| June | 59°F | 71% | 53% | 6.6 mph | 56% | 17% |
| July | 60°F | 74% | 54% | 5.9 mph | 57% | 15% |
| August | 57°F | 75% | 54% | 5.9 mph | 60% | 16% |
| September | 47°F | 76% | 57% | 6.6 mph | 50% | 30% |
| October | 34°F | 73% | 60% | 8.1 mph | 40% | 42% |
| November | 25°F | 77% | 69% | 8.4 mph | 36% | 51% |
| December | 14°F | 76% | 70% | 8.6 mph | 33% | 53% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00094725. Monthly averages of all hours; afternoon humidity at 3 p.m. local standard time; sky as the share of hours NOAA's observations rate clear or few clouds (a dash where NOAA publishes no sky value).
How sunny is Massena?
Over a year 67% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Massena, 3.5 kWh per square metre a day. August is the sunniest month (74%) and December the cloudiest (50%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 56% | 1.4 |
| February | 60% | 2.2 |
| March | 64% | 3.4 |
| April | 64% | 4.4 |
| May | 66% | 5.2 |
| June | 69% | 5.6 |
| July | 74% | 5.7 |
| August | 74% | 5.0 |
| September | 74% | 4.0 |
| October | 61% | 2.4 |
| November | 57% | 1.5 |
| December | 50% | 1.0 |
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 Massena need?
A normal year in Massena brings 7,987 heating degree days, 49% more than the median U.S. place (5,373), and 406 cooling degree days, 55% 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 2,229 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,530 | 0 |
| February | 1,323 | 0 |
| March | 1,133 | 0 |
| April | 663 | 1 |
| May | 300 | 17 |
| June | 84 | 78 |
| July | 17 | 157 |
| August | 38 | 117 |
| September | 199 | 34 |
| October | 546 | 2 |
| November | 878 | 0 |
| December | 1,277 | 0 |
| Year (annual) | 7,987 | 406 |
Source: NOAA NCEI 1991-2020 monthly normals, station USW00094725. 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 Massena been warmer than normal lately?
2024 averaged 47.5°F, 3.4°F above the 1991-2020 normal of 44.1°F. 3 of the 4 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 45.9°F | +1.8°F | 29.30 |
| 2022 | 44.1°F | at normal | 31.53 |
| 2023 | 46.3°F | +2.2°F | 30.47 |
| 2024 | 47.5°F | +3.4°F | 33.51 |
Over 67 complete years from 1949 to 2025, the station's annual mean temperature rose at a fitted 4.0°F per century (+0.22°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USW00094725; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Massena's climate compare?
Massena is warmer than 11 of the other 130 places with their own NOAA record in New York, and wetter than 8. Across the 7,247 U.S. stations with normals, its annual mean of 44.1°F is warmer than 16%.
In the Köppen classification computed from these normals, Massena is Dfb: continental, no dry season, warm 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 Massena 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.
- Akwesasne, NY4,140 people · 9 mi E
- Norfolk, NY1,021 people · 12 mi SW
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 Massena's climate
What is the coldest month in Massena?
January, with a normal high of 25°F and a normal low of 6°F. The warmest is July (81°F by day, 58°F at night).
Does it snow in Massena?
Yes. NOAA publishes no 1991-2020 snowfall normal for Massena's NOAA station; the nearest record that keeps one, Lawrenceville (3 mi SW) (15 miles away), records 75 inches of snow in a normal year.
What is the rainiest month in Massena?
June, with 3.71 in of precipitation in a normal year; the driest is February with 1.58 in.
What plant hardiness zone is Massena in?
The USDA's 2023 map puts Massena in zone 4b in ZIP code 13662, the nearest ZIP area. By the same method at Massena's NOAA station, the coldest night of a typical year reaches −23°F (29 years, 1991-2020): zone 4b.
How late can frost come in Massena?
In half of years the last 32°F night comes after May 8; in one year in ten it comes after May 23. Waiting until May 23 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Massena in OctoberThis month day by day, its records and recent years
- New York climateThe statewide normals and every place in the state
- Lawrenceville (3 mi SW), NY15 miles from this station, 45.1°F a year
- Colton, NY25 miles from this station, 43.9°F a year
- Malone, NY27 miles from this station, 42.7°F a year
- Canton, NY28 miles from this station, 44.5°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made