Barkhamsted, Connecticut climate: Climate normals at a NOAA weather station
Barkhamsted's normal year runs from 14°F January nights to 84°F July afternoons, with 51.1 inches of precipitation and 51 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 9.2°C, January lows of −10°C, July highs of 29°C, 1,299 mm of precipitation a year.
- NOAA stationBarkhamsted
- Station IDUSC00060299
- Location41.92°N 72.96°W
- Elevation710 ft (216 m)
On October 24, the normal high in Barkhamsted is 60°F and the normal low 37°F, and the chance of measurable rain or snow is 34%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Barkhamsted.
- Jan 34° 14°
- Feb 37° 15°
- Mar 46° 24°
- Apr 59° 35°
- May 70° 45°
- Jun 79° 55°
- Jul 84° 60°
- Aug 82° 58°
- Sep 75° 51°
- Oct 63° 40°
- Nov 50° 30°
- Dec 39° 21°
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 Barkhamsted each month?
July is the warmest month, with normal highs of 84°F; January the coldest, with normal lows of 14°F. The most precipitation falls in October (5.18 in), the least in February (3.21 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 34°F | 14°F | 23.7°F | 3.65 | 13.5 | 11 | <1 | 30 | 9 h 30 min |
| February | 37°F | 15°F | 26.0°F | 3.21 | 15.1 | 9 | <1 | 26 | 10 h 30 min |
| March | 46°F | 24°F | 34.8°F | 4.19 | 9.6 | 10 | <1 | 26 | 11 h 50 min |
| April | 59°F | 35°F | 46.7°F | 3.96 | 0.8 | 11 | <1 | 15 | 13 h 20 min |
| May | 70°F | 45°F | 57.5°F | 3.96 | 0.0 | 13 | 1 | 1 | 14 h 30 min |
| June | 79°F | 55°F | 66.8°F | 4.85 | 0.0 | 12 | 2 | <1 | 15 h 10 min |
| July | 84°F | 60°F | 71.9°F | 4.52 | 0.0 | 12 | 8 | <1 | 15 h |
| August | 82°F | 58°F | 70.1°F | 4.33 | 0.0 | 10 | 2 | <1 | 14 h |
| September | 75°F | 51°F | 63.3°F | 4.78 | 0.0 | 10 | 1 | <1 | 12 h 30 min |
| October | 63°F | 40°F | 51.5°F | 5.18 | 0.4 | 11 | <1 | 5 | 11 h 10 min |
| November | 50°F | 30°F | 40.0°F | 3.87 | 2.0 | 10 | <1 | 21 | 9 h 50 min |
| December | 39°F | 21°F | 30.1°F | 4.64 | 10.0 | 11 | <1 | 27 | 9 h 10 min |
| Year (annual) | 60°F | 37°F | 48.5°F | 51.14 | 51.4 | 129 | 15 | 151 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 1°C | −10°C | −4.6°C | 93 mm | 34 cm |
| February | 3°C | −10°C | −3.3°C | 82 mm | 38 cm |
| March | 8°C | −5°C | 1.6°C | 106 mm | 24 cm |
| April | 15°C | 1°C | 8.2°C | 101 mm | 2 cm |
| May | 21°C | 7°C | 14.2°C | 101 mm | 0 cm |
| June | 26°C | 13°C | 19.3°C | 123 mm | 0 cm |
| July | 29°C | 16°C | 22.2°C | 115 mm | 0 cm |
| August | 28°C | 15°C | 21.2°C | 110 mm | 0 cm |
| September | 24°C | 11°C | 17.4°C | 121 mm | 0 cm |
| October | 17°C | 4°C | 10.8°C | 132 mm | 1 cm |
| November | 10°C | −1°C | 4.4°C | 98 mm | 5 cm |
| December | 4°C | −6°C | −1.1°C | 118 mm | 25 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00060299; 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 Barkhamsted?
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 USC00060299.
When is the last frost at Barkhamsted?
In Barkhamsted, the last spring frost (32°F) comes after April 30 in half of years and after May 15 in one year in ten; the first autumn frost comes before October 17 in half of years and before October 4 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 301 year in 10 after May 15; 9 in 10 after April 17
- First autumn frost, half of years before
- October 171 year in 10 before October 4; 9 in 10 before November 2
NOAA puts the median frost-free season at 168 days, and the season without a hard freeze (28°F) at 195 days.
A hard freeze (28°F) comes after April 16 in half of springs and before October 29 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Barkhamsted in zone 6a in ZIP code 06063, the nearest ZIP area.
Frost dates for every NOAA station in Connecticut · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00060299; 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 Barkhamsted?
In a normal year in Barkhamsted, 15 days a year reach 90°F, 151 nights fall to 32°F or colder and 129 days bring measurable precipitation.
- Days at 90°F or more
- 15a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 151a normal year
- Days that stay below freezing
- 35high of 32°F or less
- Days with 0.01 inch of precipitation
- 129a normal year
- Days with 1 inch of snow or more
- 14a normal year
Source: NOAA NCEI 1991-2020 annual normals, station USC00060299.
How sunny is it at Barkhamsted?
Over a year 73% of the sunlight that would reach the ground under clear skies gets through the clouds at Barkhamsted, 3.9 kWh per square metre a day. July is the sunniest month (79%) and December the cloudiest (67%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 70% | 1.9 |
| February | 70% | 2.7 |
| March | 69% | 3.7 |
| April | 71% | 4.9 |
| May | 70% | 5.5 |
| June | 74% | 5.9 |
| July | 79% | 6.0 |
| August | 79% | 5.3 |
| September | 78% | 4.4 |
| October | 71% | 2.9 |
| November | 72% | 2.1 |
| December | 67% | 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 Barkhamsted record?
A normal year at Barkhamsted brings 6,553 heating degree days, 22% more than the median U.S. place (5,373), and 591 cooling degree days, 35% 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 2,681 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,280 | 0 |
| February | 1,093 | 0 |
| March | 935 | 0 |
| April | 553 | 4 |
| May | 252 | 21 |
| June | 49 | 105 |
| July | 5 | 220 |
| August | 12 | 169 |
| September | 118 | 68 |
| October | 424 | 4 |
| November | 750 | 0 |
| December | 1,082 | 0 |
| Year (annual) | 6,553 | 591 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00060299. 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 Barkhamsted been warmer than normal?
2025 averaged 49.8°F, 1.3°F above the 1991-2020 normal of 48.5°F. 3 of the 3 complete years since 2022 ran warmer than the normal.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2022 | 49.8°F | +1.3°F | 46.09 | 37.0 |
| 2024 | 51.5°F | +3.0°F | 51.98 | 31.0 |
| 2025 | 49.8°F | +1.3°F | 43.70 | 30.0 |
Source: observed years: ACIS, station USC00060299. A year counts only with all twelve months complete.
How does Barkhamsted's climate compare?
Barkhamsted is warmer than 2 of the 13 places with their own NOAA record in Connecticut, and wetter than 9. Across the 7,247 U.S. stations with normals, its annual mean of 48.5°F is warmer than 34%.
In the Köppen classification computed from these normals, Barkhamsted 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 Barkhamsted share this climate record?
6 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.
- Winsted, CT7,074 people · 5 mi W
- West Simsbury, CT2,878 people · 7 mi SE
- New Hartford Center, CT1,691 people · 3 mi S
- Blandford, MA1,209 people · 18 mi N
- Pleasant Valley, CT343 people · 2 mi SW
- Riverton, CT342 people · 4 mi NW
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 Barkhamsted's climate
What is the coldest month at Barkhamsted?
January, with a normal high of 34°F and a normal low of 14°F. The warmest is July (84°F by day, 60°F at night).
Does it snow at Barkhamsted?
Yes: 51 inches in a normal year, falling on 16 days with 0.1 inch or more, the most in February (15.1 inches).
What is the rainiest month at Barkhamsted?
October, with 5.18 in of precipitation in a normal year; the driest is February with 3.21 in.
What plant hardiness zone is Barkhamsted in?
The USDA's 2023 map puts Barkhamsted in zone 6a in ZIP code 06063, the nearest ZIP area.
How late can frost come at Barkhamsted?
In half of years the last 32°F night comes after April 30; in one year in ten it comes after May 15. Waiting until May 15 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Connecticut climateThe statewide normals and every place in the state
- Bakersville, CT6 miles from this station, 47.3°F a year
- Burlington, CT9 miles from this station, 50.0°F a year
- Norfolk, CT14 miles from this station, 45.9°F a year
- Hartford, CT14 miles from this station, 51.0°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made