Jaffrey Silver Ranch Airpark, New Hampshire climate: Climate normals at a NOAA weather station
Jaffrey Silver Ranch Airpark's normal year runs from 13°F January nights to 83°F July afternoons, with 48.3 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 8.3°C, January lows of −10°C, July highs of 28°C, 1,227 mm of precipitation a year.
- NOAA stationJaffrey Silver Ranch Airpark
- Station IDUSC00274304
- Location42.81°N 72.01°W
- Elevation1,030 ft (314 m)
On October 23, the normal high in Jaffrey Silver Ranch Airpark is 56°F and the normal low 36°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Jaffrey Silver Ranch Airpark.
- Jan 32° 13°
- Feb 35° 14°
- Mar 43° 22°
- Apr 56° 34°
- May 68° 45°
- Jun 77° 55°
- Jul 83° 60°
- Aug 80° 58°
- Sep 73° 51°
- Oct 60° 38°
- Nov 47° 29°
- 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 at Jaffrey Silver Ranch Airpark each month?
July is the warmest month, with normal highs of 83°F; January the coldest, with normal lows of 13°F. The most precipitation falls in October (5.10 in), the least in January (3.28 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 32°F | 13°F | 22.3°F | 3.28 | – | <1 | 29 | 9 h 20 min |
| February | 35°F | 14°F | 24.3°F | 3.42 | – | <1 | 27 | 10 h 30 min |
| March | 43°F | 22°F | 32.2°F | 4.03 | – | <1 | 25 | 11 h 50 min |
| April | 56°F | 34°F | 44.8°F | 3.78 | – | <1 | 14 | 13 h 20 min |
| May | 68°F | 45°F | 56.8°F | 3.75 | – | <1 | 1 | 14 h 40 min |
| June | 77°F | 55°F | 66.0°F | 4.32 | – | 2 | <1 | 15 h 20 min |
| July | 83°F | 60°F | 71.4°F | 4.29 | – | 5 | <1 | 15 h |
| August | 80°F | 58°F | 69.2°F | 4.02 | – | 1 | <1 | 14 h |
| September | 73°F | 51°F | 61.6°F | 4.26 | – | <1 | 1 | 12 h 30 min |
| October | 60°F | 38°F | 48.9°F | 5.10 | – | <1 | 5 | 11 h 10 min |
| November | 47°F | 29°F | 38.0°F | 3.77 | – | <1 | 21 | 9 h 50 min |
| December | 37°F | 20°F | 28.5°F | 4.29 | – | <1 | 27 | 9 h |
| Year (annual) | 57°F | 37°F | 47.0°F | 48.31 | – | 9 | 150 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 0°C | −10°C | −5.4°C | 83 mm |
| February | 1°C | −10°C | −4.3°C | 87 mm |
| March | 6°C | −6°C | 0.1°C | 102 mm |
| April | 13°C | 1°C | 7.1°C | 96 mm |
| May | 20°C | 7°C | 13.8°C | 95 mm |
| June | 25°C | 13°C | 18.9°C | 110 mm |
| July | 28°C | 16°C | 21.9°C | 109 mm |
| August | 27°C | 15°C | 20.7°C | 102 mm |
| September | 23°C | 10°C | 16.4°C | 108 mm |
| October | 15°C | 3°C | 9.4°C | 130 mm |
| November | 8°C | −2°C | 3.3°C | 96 mm |
| December | 3°C | −7°C | −1.9°C | 109 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Greenville (11 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 USC00274304; 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 Jaffrey Silver Ranch Airpark?
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 USC00274304.
When is the last frost at Jaffrey Silver Ranch Airpark?
In Jaffrey Silver Ranch Airpark, the last spring frost (32°F) comes after May 5 in half of years and after May 19 in one year in ten; the first autumn frost comes before October 6 in half of years and before September 25 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 51 year in 10 after May 19; 9 in 10 after April 22
- First autumn frost, half of years before
- October 61 year in 10 before September 25; 9 in 10 before October 22
NOAA puts the median frost-free season at 154 days, and the season without a hard freeze (28°F) at 179 days.
A hard freeze (28°F) comes after April 21 in half of springs and before October 19 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Jaffrey Silver Ranch Airpark in zone 5b in ZIP code 03461, the nearest ZIP area.
Frost dates for every NOAA station in New Hampshire · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00274304; 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 Jaffrey Silver Ranch Airpark?
In a normal year in Jaffrey Silver Ranch Airpark, 9 days a year reach 90°F and 150 nights fall to 32°F or colder.
- Days at 90°F or more
- 9a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 150a normal year
- Days that stay below freezing
- 37high of 32°F or less
Source: NOAA NCEI 1991-2020 annual normals, station USC00274304.
How sunny is it at Jaffrey Silver Ranch Airpark?
Over a year 71% of the sunlight that would reach the ground under clear skies gets through the clouds at Jaffrey Silver Ranch Airpark, 3.8 kWh per square metre a day. August is the sunniest month (77%) and December the cloudiest (62%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 66% | 1.8 |
| February | 67% | 2.6 |
| March | 68% | 3.7 |
| April | 68% | 4.7 |
| May | 68% | 5.3 |
| June | 71% | 5.7 |
| July | 77% | 6.0 |
| August | 77% | 5.3 |
| September | 76% | 4.3 |
| October | 67% | 2.7 |
| November | 68% | 1.9 |
| December | 62% | 1.4 |
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 Jaffrey Silver Ranch Airpark record?
A normal year at Jaffrey Silver Ranch Airpark brings 7,048 heating degree days, 31% more than the median U.S. place (5,373), and 519 cooling degree days, 43% 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 2,471 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,323 | 0 |
| February | 1,138 | 0 |
| March | 1,018 | 0 |
| April | 607 | 1 |
| May | 273 | 17 |
| June | 63 | 93 |
| July | 8 | 204 |
| August | 19 | 149 |
| September | 156 | 54 |
| October | 501 | 2 |
| November | 810 | 0 |
| December | 1,133 | 0 |
| Year (annual) | 7,048 | 519 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00274304. 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 Jaffrey Silver Ranch Airpark been warmer than normal?
2025 averaged 48.3°F, 1.3°F above the 1991-2020 normal of 47.0°F. 5 of the 5 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 49.5°F | +2.5°F | 64.67 |
| 2022 | 49.0°F | +2.0°F | 46.65 |
| 2023 | 50.1°F | +3.1°F | 53.96 |
| 2024 | 50.2°F | +3.2°F | 46.30 |
| 2025 | 48.3°F | +1.3°F | 44.93 |
Source: observed years: ACIS, station USC00274304. A year counts only with all twelve months complete.
How does Jaffrey Silver Ranch Airpark's climate compare?
Jaffrey Silver Ranch Airpark is warmer than 19 of the 28 places with their own NOAA record in New Hampshire, and wetter than 24. Across the 7,247 U.S. stations with normals, its annual mean of 47.0°F is warmer than 28%.
In the Köppen classification computed from these normals, Jaffrey Silver Ranch Airpark 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 Jaffrey Silver Ranch Airpark 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.
- Peterborough, NH6,433 people · 5 mi NE
- Hancock, NH1,753 people · 11 mi N
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 Jaffrey Silver Ranch Airpark's climate
What is the coldest month at Jaffrey Silver Ranch Airpark?
January, with a normal high of 32°F and a normal low of 13°F. The warmest is July (83°F by day, 60°F at night).
Does it snow at Jaffrey Silver Ranch Airpark?
Yes. NOAA publishes no 1991-2020 snowfall normal for the station; the nearest record that keeps one, Greenville (11 miles away), records 75 inches of snow in a normal year.
What is the rainiest month at Jaffrey Silver Ranch Airpark?
October, with 5.10 in of precipitation in a normal year; the driest is January with 3.28 in.
What plant hardiness zone is Jaffrey Silver Ranch Airpark in?
The USDA's 2023 map puts Jaffrey Silver Ranch Airpark in zone 5b in ZIP code 03461, the nearest ZIP area.
How late can frost come at Jaffrey Silver Ranch Airpark?
In half of years the last 32°F night comes after May 5; in one year in ten it comes after May 19. Waiting until May 19 leaves about a one-in-ten chance of a later frost.
Nearby and next
- New Hampshire climateThe statewide normals and every place in the state
- Jaffrey, NH0 miles from this station, 46.4°F a year
- Greenville, NH11 miles from this station, 45.7°F a year
- Ashburnham N, MA11 miles from this station, 45.4°F a year
- Birch Hill Dam, MA14 miles from this station, 46.3°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made