Averill, Vermont climate: Climate normals at a NOAA weather station
Averill's normal year runs from 0°F January nights to 76°F July afternoons, with 42.8 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 3.9°C, January lows of −18°C, July highs of 24°C, 1,087 mm of precipitation a year.
- NOAA stationAverill
- Station IDUSC00430193
- Location45.01°N 71.69°W
- Elevation1,699 ft (518 m)
On October 23, the normal high in Averill is 50°F and the normal low 31°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Averill.
- Jan 22° 0°
- Feb 25° 2°
- Mar 34° 12°
- Apr 47° 27°
- May 62° 39°
- Jun 70° 48°
- Jul 76° 53°
- Aug 74° 51°
- Sep 66° 44°
- Oct 53° 33°
- Nov 40° 23°
- Dec 28° 11°
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 Averill each month?
July is the warmest month, with normal highs of 76°F; January the coldest, with normal lows of 0°F. The most precipitation falls in June (4.65 in), the least in February (2.51 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 22°F | 0°F | 10.9°F | 2.57 | – | <1 | 31 | 9 h 10 min |
| February | 25°F | 2°F | 13.6°F | 2.51 | – | <1 | 28 | 10 h 20 min |
| March | 34°F | 12°F | 22.8°F | 3.31 | – | <1 | 30 | 11 h 50 min |
| April | 47°F | 27°F | 36.9°F | 2.93 | – | <1 | 25 | 13 h 30 min |
| May | 62°F | 39°F | 50.7°F | 4.00 | – | <1 | 8 | 14 h 50 min |
| June | 70°F | 48°F | 59.3°F | 4.65 | – | <1 | 1 | 15 h 40 min |
| July | 76°F | 53°F | 64.4°F | 4.12 | – | <1 | <1 | 15 h 20 min |
| August | 74°F | 51°F | 62.6°F | 4.33 | – | <1 | <1 | 14 h 10 min |
| September | 66°F | 44°F | 55.1°F | 3.75 | – | <1 | 5 | 12 h 40 min |
| October | 53°F | 33°F | 43.1°F | 4.46 | – | <1 | 15 | 11 h |
| November | 40°F | 23°F | 31.1°F | 3.26 | – | <1 | 26 | 9 h 40 min |
| December | 28°F | 11°F | 19.4°F | 2.89 | – | <1 | 30 | 8 h 50 min |
| Year (annual) | 50°F | 29°F | 39.1°F | 42.78 | – | 1 | 199 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | −6°C | −18°C | −11.7°C | 65 mm |
| February | −4°C | −17°C | −10.2°C | 64 mm |
| March | 1°C | −11°C | −5.1°C | 84 mm |
| April | 8°C | −3°C | 2.7°C | 74 mm |
| May | 17°C | 4°C | 10.4°C | 102 mm |
| June | 21°C | 9°C | 15.2°C | 118 mm |
| July | 24°C | 12°C | 18.0°C | 105 mm |
| August | 23°C | 11°C | 17.0°C | 110 mm |
| September | 19°C | 7°C | 12.8°C | 95 mm |
| October | 12°C | 0°C | 6.2°C | 113 mm |
| November | 4°C | −5°C | −0.5°C | 83 mm |
| December | −2°C | −12°C | −7.0°C | 73 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Colebrook (12 miles away), gets 81 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00430193; 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 Averill?
Normal highs sit between 65°F and 85°F in 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 USC00430193.
When is the last frost at Averill?
In Averill, the last spring frost (32°F) comes after May 25 in half of years and after June 8 in one year in ten; the first autumn frost comes before September 22 in half of years and before September 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
- May 251 year in 10 after June 8; 9 in 10 after May 8
- First autumn frost, half of years before
- September 221 year in 10 before September 8; 9 in 10 before October 4
NOAA puts the median frost-free season at 120 days, and the season without a hard freeze (28°F) at 145 days.
A hard freeze (28°F) comes after May 8 in half of springs and before October 2 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Averill in zone 4a in ZIP code 05901, the nearest ZIP area.
Frost dates for every NOAA station in Vermont · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00430193; 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 Averill?
In a normal year in Averill, 1 day a year reaches 90°F and 199 nights fall to 32°F or colder.
- Days at 90°F or more
- 1a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 199a normal year
- Days that stay below freezing
- 94high of 32°F or less
Source: NOAA NCEI 1991-2020 annual normals, station USC00430193.
How sunny is it at Averill?
Over a year 66% of the sunlight that would reach the ground under clear skies gets through the clouds at Averill, 3.4 kWh per square metre a day. September is the sunniest month (72%) and December the cloudiest (51%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 59% | 1.4 |
| February | 62% | 2.2 |
| March | 65% | 3.4 |
| April | 65% | 4.4 |
| May | 64% | 5.0 |
| June | 67% | 5.5 |
| July | 71% | 5.5 |
| August | 72% | 4.9 |
| September | 72% | 3.9 |
| October | 60% | 2.3 |
| November | 56% | 1.4 |
| December | 51% | 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 many heating and cooling degree days does Averill record?
A normal year at Averill brings 9,542 heating degree days, 78% more than the median U.S. place (5,373), and 148 cooling degree days, 84% fewer than the median (908). Nine months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 1,508 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,678 | 0 |
| February | 1,440 | 0 |
| March | 1,309 | 0 |
| April | 843 | 0 |
| May | 451 | 6 |
| June | 199 | 27 |
| July | 82 | 61 |
| August | 114 | 37 |
| September | 314 | 15 |
| October | 681 | 0 |
| November | 1,017 | 0 |
| December | 1,414 | 0 |
| Year (annual) | 9,542 | 148 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00430193. 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.
Have recent years at Averill been warmer than normal?
2024 averaged 43.4°F, 4.3°F above the 1991-2020 normal of 39.1°F. 2 of the 2 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 40.9°F | +1.8°F | – |
| 2024 | 43.4°F | +4.3°F | 49.76 |
Source: observed years: ACIS, station USC00430193. A year counts only with all twelve months complete.
How does Averill's climate compare?
Averill is warmer than 0 of the 29 places with their own NOAA record in Vermont, and wetter than 15. Across the 7,247 U.S. stations with normals, its annual mean of 39.1°F is warmer than 4%.
In the Köppen classification computed from these normals, Averill 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 Averill share this climate record?
West Stewartstown has no NOAA station with 1991-2020 normals of its 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.
- West Stewartstown, NH368 people · 8 mi E
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 Averill's climate
What is the coldest month at Averill?
January, with a normal high of 22°F and a normal low of 0°F. The warmest is July (76°F by day, 53°F at night).
Does it snow at Averill?
Yes. NOAA publishes no 1991-2020 snowfall normal for the station; the nearest record that keeps one, Colebrook (12 miles away), records 81 inches of snow in a normal year.
What is the rainiest month at Averill?
June, with 4.65 in of precipitation in a normal year; the driest is February with 2.51 in.
What plant hardiness zone is Averill in?
The USDA's 2023 map puts Averill in zone 4a in ZIP code 05901, the nearest ZIP area.
How late can frost come at Averill?
In half of years the last 32°F night comes after May 25; in one year in ten it comes after June 8. Waiting until June 8 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Vermont climateThe statewide normals and every place in the state
- Colebrook, NH12 miles from this station, 39.7°F a year
- Island Pond, VT17 miles from this station, 41.1°F a year
- First Connecticut Lake, NH21 miles from this station, 39.0°F a year
- North Stratford, NH23 miles from this station, 41.6°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made